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Version 166.18 by Xiaoling on 2022/06/21 10:42
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9 (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
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11 {{toc/}}
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17 = (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1. Introduction(%%) =
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19 (% _mstvisible="1" %)
20 == (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT65N Temperature & Humidity Sensor(%%) ==
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22 (% _mstvisible="1" %)
23 (((
24 (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
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27 (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
28 The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% _mstvisible="4" style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% _mstvisible="4" style="color:#4f81bd" %)**Temperature Sensor**(% _mstvisible="3" %)**.**
29 )))
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32 (((
33 (% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %)
34 The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
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38 (((
39 (% _msthash="506053" _msttexthash="4298047" _mstvisible="2" %)
40 LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
41 )))
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43 (% _mstvisible="1" %)
44 (((
45 (% _msthash="506054" _msttexthash="6016374" _mstvisible="2" %)
46 LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
47 )))
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49 (% _mstvisible="1" %)
50 (((
51 (% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %)
52 LHT65N supports (% _mstvisible="4" style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
53 )))
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56 (((
57 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
58 *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
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60 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
61
62 )))
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64 (% _mstvisible="1" %)
65 == (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
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68 * Wall mountable
69 * LoRaWAN v1.0.3 Class A protocol
70 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
71 * AT Commands to change parameters
72 * Remote configure parameters via LoRaWAN Downlink
73 * Firmware upgradeable via program port
74 * Built-in 2400mAh battery for up to 10 years of use.
75 * Built-in Temperature & Humidity sensor
76 * Optional External Sensors
77 * Tri-color LED to indicate working status
78 * Datalog feature
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83 (% _mstvisible="1" %)
84 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
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87 (((
88 (% _mstvisible="2" %)
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92 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
93 )))
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95 (% _mstvisible="1" %)
96 * (% _mstvisible="3" %)
97 (((
98 (% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
99 Resolution: 0.01 °C
100 )))
101 * (% _mstvisible="3" %)
102 (((
103 (% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
104 Accuracy Tolerance : Typ ±0.3 °C
105 )))
106 * (% _mstvisible="3" %)
107 (((
108 (% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
109 Long Term Drift: < 0.02 °C/yr
110 )))
111 * (% _mstvisible="3" %)
112 (((
113 (% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
114 Operating Range: -40 ~~ 85 °C
115 )))
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117 (% _mstvisible="1" %)
118 (((
119 (% _mstvisible="2" %)
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122 (% _mstvisible="2" %)
123 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
124 )))
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126 (% _mstvisible="1" %)
127 * (% _mstvisible="3" %)
128 (((
129 (% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
130 Resolution: 0.04 %RH
131 )))
132 * (% _mstvisible="3" %)
133 (((
134 (% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
135 Accuracy Tolerance : Typ ±3 %RH
136 )))
137 * (% _mstvisible="3" %)
138 (((
139 (% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
140 Long Term Drift: < 0.02 °C/yr
141 )))
142 * (% _mstvisible="3" %)
143 (((
144 (% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
145 Operating Range: 0 ~~ 96 %RH
146 )))
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148 (% _mstvisible="1" %)
149 (((
150 (% _mstvisible="2" %)
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154 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
155 )))
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157 (% _mstvisible="1" %)
158 * (% _mstvisible="3" %)
159 (((
160 (% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
161 Resolution: 0.0625 °C
162 )))
163 * (% _mstvisible="3" %)
164 (((
165 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
166 ±0.5°C accuracy from -10°C to +85°C
167 )))
168 * (% _mstvisible="3" %)
169 (((
170 (% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
171 ±2°C accuracy from -55°C to +125°C
172 )))
173 * (% _mstvisible="3" %)
174 (((
175 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
176 Operating Range: -55 °C ~~ 125 °C
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179 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
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181 )))
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183 (% _mstvisible="1" %)
184 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
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186 (% _mstvisible="1" %)
187 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
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189 (% _mstvisible="1" %)
190 (((
191 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
192 LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
193 )))
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195 (% _mstvisible="1" %)
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197 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
198 If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
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200 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
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202 )))
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204 (% _mstvisible="1" %)
205 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
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207 (% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
208 The LHT65N has two working modes:
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210 (% _mstvisible="1" %)
211 * (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
212 * (% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
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215 (((
216 (% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
217 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
218 )))
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220 (% _mstvisible="1" %)
221 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
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223 (% _mstvisible="1" %)
224 [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
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227 (% _mstvisible="1" %)
228 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
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230 (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
231 This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
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233 (% _mstvisible="1" class="wikigeneratedid" %)
234 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
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236 (% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
237 Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network||_mstvisible="2"]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
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240 (% _mstvisible="1" %)
241 === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
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243 (% _msthash="315242" _msttexthash="1601782" _mstvisible="1" %)
244 Create a device in TTN V3 with the OTAA keys from LHT65N.
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246 (% _msthash="315243" _msttexthash="3694444" _mstvisible="1" %)
247 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
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249 (% _mstvisible="1" %)
250 [[image:image-20220617150003-1.jpeg]]
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252 (% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
253 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
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255 (% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
256 Add APP EUI in the application.
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258 (% _mstvisible="1" %)
259 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
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261 (% _mstvisible="1" %)
262 [[image:image-20220522232932-4.png||_mstalt="430157" _mstvisible="3"]]
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264 (% _mstvisible="1" %)
265 [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
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267 (% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
268 Note: LHT65N use same payload as LHT65.
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270 (% _mstvisible="1" %)
271 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
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274 (% _msthash="315247" _msttexthash="595543" _mstvisible="1" %)
275 Input APP EUI,  APP KEY and DEV EUI:
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277 (% _mstvisible="1" %)
278 [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
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282 (% _mstvisible="1" %)
283 === (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
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285 (% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
286 Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
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288 (% _mstvisible="1" %)
289 [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
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293 (% _mstvisible="1" %)
294 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
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296 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
297 The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% _mstvisible="3" style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
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299 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
300 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
301
302 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
303 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
304 (((
305 (% _mstvisible="6" %)
306 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
307 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
308 (((
309 (% _mstvisible="6" %)
310 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
311 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
312 (((
313 (% _mstvisible="6" %)
314 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
315 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
316 (((
317 (% _mstvisible="6" %)
318 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
319 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
320 (((
321 (% _mstvisible="6" %)
322 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
323 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
324 (((
325 (% _mstvisible="6" %)
326 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
327 )))
328 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
329 (((
330 (% _mstvisible="6" %)
331 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
332 )))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
333 (((
334 (% _mstvisible="6" %)
335 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
336 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
337 (((
338 (% _mstvisible="6" %)
339 (((
340 (% _mstvisible="7" %)
341 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
342 )))
343 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
344 (((
345 (% _mstvisible="6" %)
346 (((
347 (% _mstvisible="7" %)
348 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
349 )))
350
351 (% _mstvisible="6" %)
352 (((
353 (% _mstvisible="7" %)
354 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
355 )))
356 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
357 (((
358 (% _mstvisible="6" %)
359 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
360 )))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
361 (((
362 (% _mstvisible="6" %)
363 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
364 )))
365
366 (% _mstvisible="1" %)
367 * The First 6 bytes: has fix meanings for every LHT65N.
368 * The 7th byte (EXT #): defines the external sensor model.
369 * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
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374 (% _mstvisible="1" %)
375 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
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377 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
378 When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
379
380 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
381 Below is the position to put the decoder and LHT65N decoder can be download from here:
382
383 (% _mstvisible="1" %)
384 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
385
386 (% _mstvisible="1" %)
387 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
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389
390
391 (% _mstvisible="1" %)
392 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
393
394 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
395 These two bytes of BAT include the battery state and the actually voltage
396
397 (% _mstvisible="1" %)
398 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
399
400 (% _mstvisible="1" %)
401 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
402
403 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
404 Check the battery voltage for LHT65N.
405
406 (% _mstvisible="1" %)
407 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
408 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
409
410
411
412
413 (% _mstvisible="1" %)
414 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
415
416 (% _mstvisible="1" %)
417 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
418
419 (% _mstvisible="1" %)
420 * Temperature:  0x0ABB/100=27.47℃
421
422 (% _mstvisible="1" %)
423 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
424
425 (% _mstvisible="1" %)
426 * Temperature:  (0xF5C6-65536)/100=-26.18℃
427
428
429
430
431 (% _mstvisible="1" %)
432 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
433
434 (% _mstvisible="1" %)
435 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
436
437 (% _mstvisible="1" %)
438 * Humidity:    0x025C/10=60.4%
439
440
441
442
443 (% _mstvisible="1" %)
444 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
445
446 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
447 Bytes for External Sensor:
448
449 (% _mstvisible="1" %)
450 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
451
452
453 (% _mstvisible="1" %)
454 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
455
456 (% _mstvisible="1" %)
457 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
458
459 (% _mstvisible="1" %)
460 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
461
462
463 (% _mstvisible="1" %)
464 * DS18B20 temp=0x0ADD/100=27.81℃
465
466 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
467 The last 2 bytes of data are meaningless
468
469 (% _mstvisible="1" %)
470 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
471
472
473 (% _mstvisible="1" %)
474 * External temperature= (0xF54F-65536)/100=-27.37℃
475
476 (% _mstvisible="1" %)
477 (((
478 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
479 The last 2 bytes of data are meaningless
480 )))
481
482 (% _mstvisible="1" %)
483 (((
484 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
485 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
486 )))
487
488
489 (% _mstvisible="1" %)
490 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
491
492 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
493 Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
494
495 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
496 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
497 (((
498 (% _mstvisible="6" %)
499 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
500 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
501 (((
502 (% _mstvisible="6" %)
503 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
504 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
505 (((
506 (% _mstvisible="6" %)
507 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
508 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
509 (((
510 (% _mstvisible="6" %)
511 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
512 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
513 (((
514 (% _mstvisible="6" %)
515 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
516 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
517 (((
518 (% _mstvisible="6" %)
519 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
520 )))
521 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
522 (((
523 (% _mstvisible="6" %)
524 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
525 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
526 (((
527 (% _mstvisible="6" %)
528 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
529 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
530 (((
531 (% _mstvisible="6" %)
532 (((
533 (% _mstvisible="7" %)
534 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
535 )))
536
537 (% _mstvisible="6" %)
538 (((
539 (% _mstvisible="7" %)
540 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
541 )))
542 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
543 (((
544 (% _mstvisible="6" %)
545 (((
546 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
547 BAT Status &
548 )))
549
550 (% _mstvisible="6" %)
551 (((
552 (% _mstvisible="7" %)
553 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
554 )))
555 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
556 (((
557 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
558 Status & Ext
559 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
560 (((
561 (% _mstvisible="6" %)
562 (((
563 (% _mstvisible="7" %)
564 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
565 )))
566 )))
567
568 (% _mstvisible="1" %)
569 * (% _msthash="2539669" _msttexthash="857922" _mstvisible="3" %)**Battery status & **(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**
570
571 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
572 (% _mstvisible="3" %)|=(% _msthash="1230918" _msttexthash="93158" _mstvisible="4" style="width: 65px;" %)Bit(bit)|=(% _msthash="1230919" _msttexthash="57954" _mstvisible="4" style="width: 267px;" %)[15:14]|=(% _msthash="1230920" _msttexthash="48022" _mstvisible="4" style="width: 134px;" %)[11:0]
573 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
574 (((
575 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
576 BAT Status
577
578 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
579 00(b): Ultra Low ( BAT <= 2.50v)
580
581 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
582 01(b): Low  (2.50v <=BAT <= 2.55v)
583
584 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
585 10(b): OK   (2.55v <= BAT <=2.65v)
586
587 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
588 11(b): Good   (BAT >= 2.65v)
589 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
590 (((
591 (% _mstvisible="6" %)
592 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
593
594 (% _mstvisible="6" %)
595
596 )))
597
598 (% _mstvisible="1" %)
599 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
600
601 (% _mstvisible="1" %)
602 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
603
604 (% _mstvisible="1" %)
605 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
606 * Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
607 * Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
608
609
610
611
612 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
613
614 In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
615
616 be used to power the external ADC sensor; user can control the power on time for this
617
618 sensor by setting:
619
620 AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
621
622
623
624 (% _mstvisible="1" %)
625 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
626
627 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
628 Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
629
630 (% _mstvisible="1" %)
631 (((
632 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
633 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
634 )))
635
636 (% _mstvisible="1" %)
637 (((
638 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
639 (% _mstvisible="3" %)**Step 2**(%%): Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
640 )))
641
642 (% _mstvisible="1" %)
643 (((
644 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
645 Add Datacake:
646 )))
647
648 (% _mstvisible="1" %)
649 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
650
651
652 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
653 Select default key as Access Key:
654
655 (% _mstvisible="1" %)
656 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
657
658 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
659 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
660
661 (% _mstvisible="1" %)
662 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
663
664 (% _mstvisible="1" %)
665 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
666
667
668
669 (% _mstvisible="1" %)
670 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
671
672 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
673 Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, LHT65N will store the reading for future retrieving purposes. There are two ways for IoT servers to get datalog from LHT65N.
674
675
676 (% _mstvisible="1" %)
677 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
678
679 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
680 There are two methods:
681
682 (% _mstvisible="1" %)
683 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
684 1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
685
686
687
688
689 (% _mstvisible="1" %)
690 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
691
692 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
693 LHT65N uses Unix TimeStamp format based on
694
695 (% _mstvisible="1" %)
696 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
697
698
699 (% _mstvisible="1" %)
700 (((
701 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
702 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
703 )))
704
705 (% _mstvisible="1" %)
706 (((
707 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
708 Below is the converter example
709 )))
710
711 (% _mstvisible="1" %)
712 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
713
714 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
715 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
716
717
718 (% _mstvisible="1" %)
719 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
720
721 (% _mstvisible="1" %)
722 (((
723 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
724 There are two ways to set device’s time:
725 )))
726
727 (% _mstvisible="1" %)
728 (((
729 (% _mstvisible="2" %)
730 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
731 )))
732
733 (% _mstvisible="1" %)
734 (((
735 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
736 User need to set SYNCMOD=1 to enable sync time via MAC command.
737 )))
738
739 (% _mstvisible="1" %)
740 (((
741 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
742 Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
743 )))
744
745 (% _mstvisible="1" %)
746 (((
747 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
748 Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
749 )))
750
751 (% _mstvisible="1" %)
752 (((
753 (% _mstvisible="2" %)
754
755 )))
756
757 (% _mstvisible="1" %)
758 (((
759 (% _mstvisible="2" %)
760 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
761 )))
762
763 (% _mstvisible="1" %)
764 (((
765 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
766 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
767
768 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
769
770 )))
771
772 (% _mstvisible="1" %)
773 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
774
775 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
776 User can poll sensor value based on timestamps from the server. Below is the downlink command.
777
778 (% _mstvisible="1" %)
779 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
780
781 (% _mstvisible="1" %)
782 (((
783 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
784 Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
785 )))
786
787 (% _mstvisible="1" %)
788 (((
789 (% _mstvisible="2" %)
790 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
791 )))
792
793 (% _mstvisible="1" %)
794 (((
795 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
796 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
797 )))
798
799 (% _mstvisible="1" %)
800 (((
801 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
802 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
803 )))
804
805
806 (% _mstvisible="1" %)
807 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
808
809 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
810 The Datalog poll reply uplink will use below payload format.
811
812 (% _mstvisible="1" %)
813 (((
814 (% _mstvisible="2" %)
815 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
816 )))
817
818 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
819 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
820 (((
821 (% _mstvisible="6" %)
822 (((
823 (% _mstvisible="7" %)
824 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
825 )))
826 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
827 (((
828 (% _mstvisible="6" %)
829 (((
830 (% _mstvisible="7" %)
831 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
832 )))
833 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
834 (((
835 (% _mstvisible="6" %)
836 (((
837 (% _mstvisible="7" %)
838 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
839 )))
840 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
841 (((
842 (% _mstvisible="6" %)
843 (((
844 (% _mstvisible="7" %)
845 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
846 )))
847 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
848 (((
849 (% _mstvisible="6" %)
850 (((
851 (% _mstvisible="7" %)
852 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
853 )))
854 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
855 (((
856 (% _mstvisible="6" %)
857 (((
858 (% _mstvisible="7" %)
859 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
860 )))
861 )))
862 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
863 (((
864 (% _mstvisible="6" %)
865 (((
866 (% _mstvisible="7" %)
867 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
868 )))
869 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
870 (((
871 (% _mstvisible="6" %)
872 (((
873 (% _mstvisible="7" %)
874 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
875 )))
876 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
877 (((
878 (% _mstvisible="6" %)
879 (((
880 (% _mstvisible="7" %)
881 (((
882 (% _mstvisible="8" %)
883 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
884 )))
885 )))
886
887 (% _mstvisible="6" %)
888 (((
889 (% _mstvisible="7" %)
890 (((
891 (% _mstvisible="8" %)
892 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
893 )))
894 )))
895 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
896 (((
897 (% _mstvisible="6" %)
898 (((
899 (% _mstvisible="7" %)
900 (((
901 (% _mstvisible="8" %)
902 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
903 )))
904 )))
905
906 (% _mstvisible="6" %)
907 (((
908 (% _mstvisible="7" %)
909 (((
910 (% _mstvisible="8" %)
911 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
912 )))
913 )))
914 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
915 (((
916 (% _mstvisible="6" %)
917 (((
918 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
919 Poll message flag & Ext
920 )))
921 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
922 (((
923 (% _mstvisible="6" %)
924 (((
925 (% _mstvisible="7" %)
926 (((
927 (% _mstvisible="8" %)
928 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
929 )))
930 )))
931
932 (% _mstvisible="6" %)
933 (((
934 (% _mstvisible="7" %)
935 (((
936 (% _mstvisible="8" %)
937
938 )))
939 )))
940 )))
941
942 (% _mstvisible="1" %)
943 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
944
945 (% _mstvisible="1" %)
946 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
947
948 (% _mstvisible="1" %)
949 (((
950 (% _mstvisible="2" %)
951 (((
952 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
953 Poll Message Flag: 1: This message is a poll message reply.
954 )))
955 )))
956
957 (% _mstvisible="1" %)
958 * (% _mstvisible="3" %)
959 (((
960 (% _mstvisible="4" %)
961 (((
962 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
963 Poll Message Flag is set to 1.
964 )))
965 )))
966 * (% _mstvisible="3" %)
967 (((
968 (% _mstvisible="4" %)
969 (((
970 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
971 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
972 )))
973 )))
974
975 (% _mstvisible="1" %)
976 (((
977 (% _mstvisible="2" %)
978 (((
979 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
980
981
982 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
983 For example, in US915 band, the max payload for different DR is:
984 )))
985 )))
986
987 (% _mstvisible="1" %)
988 (((
989 (% _mstvisible="2" %)
990 (((
991 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
992 a) DR0: max is 11 bytes so one entry of data
993 )))
994 )))
995
996 (% _mstvisible="1" %)
997 (((
998 (% _mstvisible="2" %)
999 (((
1000 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
1001 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
1002 )))
1003 )))
1004
1005 (% _mstvisible="1" %)
1006 (((
1007 (% _mstvisible="2" %)
1008 (((
1009 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
1010 c) DR2: total payload includes 11 entries of data
1011 )))
1012 )))
1013
1014 (% _mstvisible="1" %)
1015 (((
1016 (% _mstvisible="2" %)
1017 (((
1018 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1019 d) DR3: total payload includes 22 entries of data.
1020 )))
1021 )))
1022
1023 (% _mstvisible="1" %)
1024 (((
1025 (% _mstvisible="2" %)
1026 (((
1027 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1028 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1029 )))
1030 )))
1031
1032
1033 (% _mstvisible="1" style="text-align: left;" %)
1034 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1035
1036 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1037 If LHT65N has below data inside Flash:
1038
1039 (% _mstvisible="1" %)
1040 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1041
1042 (% _mstvisible="1" %)
1043 (((
1044 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1045 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1046 )))
1047
1048 (% _mstvisible="1" %)
1049 (((
1050 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1051 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1052 )))
1053
1054 (% _mstvisible="1" %)
1055 (((
1056 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1057 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1058 )))
1059
1060 (% _mstvisible="1" %)
1061 (((
1062 (% _mstvisible="2" %)
1063
1064 )))
1065
1066 (% _mstvisible="1" %)
1067 (((
1068 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1069 LHT65N will uplink this payload.
1070 )))
1071
1072 (% _mstvisible="1" %)
1073 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1074
1075 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1076 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1077
1078 (% _msthash="315237" _msttexthash="1385839" %)
1079 Where the first 11 bytes is for the first entry:
1080
1081 (% _msthash="315238" _msttexthash="274846" %)
1082 7FFF089801464160065F97
1083
1084 (% _msthash="315239" _msttexthash="617435" %)
1085 Ext sensor data=0x7FFF/100=327.67
1086
1087 (% _msthash="315240" _msttexthash="270543" %)
1088 Temp=0x0898/100=22.00
1089
1090 (% _msthash="315241" _msttexthash="211783" %)
1091 Hum=0x0146/10=32.6
1092
1093 (% _msthash="315242" _msttexthash="1569776" %)
1094 poll message flag & Ext=0x41,means reply data,Ext=1
1095
1096 (% _msthash="315243" _msttexthash="1120509" %)
1097 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1098
1099
1100 (% _mstvisible="1" style="text-align: left;" %)
1101 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1102
1103 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1104 when the device is in alarm mode, it checks the built-in sensor temperature for a short time. if the temperature exceeds the preconfigured range, it sends an uplink immediately.
1105
1106 (% _mstvisible="1" %)
1107 (((
1108 (% _mstvisible="2" style="text-align: left;" %)
1109 (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)note: alarm mode adds a little power consumption, and we recommend extending the normal read time when this feature is enabled.
1110 )))
1111
1112 (% _mstvisible="1" style="text-align: left;" %)
1113 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1114
1115 (% _mstvisible="1" class="box infomessage" %)
1116 (((
1117 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1118 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1119
1120 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1121 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1122
1123 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1124 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1125
1126 (% _mstvisible="2" style="text-align: left;" %)
1127 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1128
1129 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1130 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1131 )))
1132
1133
1134
1135 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1136 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1137
1138 (% _mstvisible="1" %)
1139 (((
1140 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1141 The LHT65 has a triple color LED which for easy showing different stage .
1142
1143 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1144 While user press ACT button, the LED will work as per LED status with ACT button.
1145 )))
1146
1147 (% _mstvisible="1" %)
1148 (((
1149 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1150 In a normal working state:
1151 )))
1152
1153 (% _mstvisible="1" %)
1154 * (% _mstvisible="3" %)
1155 (((
1156 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1157 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1158
1159 (% _msthash="197771" _msttexthash="1202526" %)
1160 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1161 )))
1162 * (% _mstvisible="3" %)
1163 (((
1164 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1165 RED LED when external sensor is not connected
1166 )))
1167 * (% _mstvisible="3" %)
1168 (((
1169 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1170 For each success downlink, the PURPLE LED will blink once
1171
1172
1173
1174 )))
1175
1176 (% _mstvisible="1" style="text-align: left;" %)
1177 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1178
1179 (% _mstvisible="1" %)
1180 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1181
1182
1183 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1184 = (% _msthash="401388" _msttexthash="566956" _mstvisible="3" %)3. S(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ensors(% _msthash="401388" _msttexthash="40417" _mstvisible="3" %) and A(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ccessories(%%) =
1185
1186 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1187 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1188
1189 [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1190
1191 1m long breakout cable for LHT65N
1192
1193 [[image:image-20220619092421-3.png||height="371" width="529"]]
1194
1195
1196
1197 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1198 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1199
1200 (% _mstvisible="1" %)
1201 [[image:image-20220515080154-4.png||_mstalt="434681" _mstvisible="3" alt="photo-20220515080154-4.png" height="182" width="161"]] [[image:image-20220515080330-5.png||_mstalt="428792" _mstvisible="3" height="201" width="195"]]
1202
1203
1204 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1205 Temperature sensor with 2 meters cable long
1206
1207 (% _mstvisible="1" %)
1208 * Resolution: 0.0625 °C
1209 * ±0.5°C accuracy from -10°C to +85°C
1210 * ±2°C accuracy from -55°C to +125°C
1211 * Operating Range: -40 ~~ 125 °C
1212 * -55°C to 125°C
1213 * Working voltage 2.35v ~~ 5v
1214
1215
1216
1217
1218 (% _mstvisible="1" style="text-align: left;" %)
1219 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1220
1221 (% _mstvisible="1" %)
1222 (((
1223 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1224 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1225 )))
1226
1227 (% _mstvisible="1" %)
1228 * (% _mstvisible="3" %)
1229 (((
1230 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1231 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1232 )))
1233 * (% _mstvisible="3" %)
1234 (((
1235 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1236 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1237 )))
1238
1239 (% _mstvisible="1" %)
1240 (((
1241 (% _mstvisible="2" style="text-align: left;" %)
1242
1243 )))
1244
1245 (% _mstvisible="1" %)
1246 (((
1247 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1248 There are two kinds of commands to configure LHT65N, they are:
1249 )))
1250
1251 (% _mstvisible="1" %)
1252 (((
1253 (% _mstvisible="2" style="text-align: left;" %)
1254 (% _msthash="506249" _msttexthash="317850" _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**General Commands**(% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="3" style="color:#4f81bd" %).
1255 )))
1256
1257 (% _mstvisible="1" %)
1258 (((
1259 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1260 These commands are to configure:
1261 )))
1262
1263 (% _mstvisible="1" %)
1264 * (% _mstvisible="3" %)
1265 (((
1266 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1267 General system settings like: uplink interval.
1268 )))
1269 * (% _mstvisible="3" %)
1270 (((
1271 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1272 LoRaWAN protocol & radio-related commands.
1273 )))
1274
1275 (% _mstvisible="1" %)
1276 (((
1277 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1278 They are the same for all Dragino Devices which supports DLWS-005 LoRaWAN Stack(Note~*~*). These commands can be found on the wiki: [[End Device Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
1279 )))
1280
1281 (% _mstvisible="1" %)
1282 (((
1283 (% _mstvisible="2" style="text-align: left;" %)
1284
1285 )))
1286
1287 (% _mstvisible="1" %)
1288 (((
1289 (% _mstvisible="2" style="text-align: left;" %)
1290 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1291 )))
1292
1293 (% _mstvisible="1" %)
1294 (((
1295 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1296 These commands are only valid for LHT65N, as below:
1297
1298
1299 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1300
1301 )))
1302
1303 (% _mstvisible="1" style="text-align: left;" %)
1304 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1305
1306 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1307 Feature: Change LoRaWAN End Node Transmit Interval.
1308
1309 (% _mstvisible="1" style="text-align: left;" %)
1310 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1311
1312 (% _mstvisible="1" %)
1313 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1314
1315 (% _mstvisible="1" %)
1316 (((
1317 (% _mstvisible="2" style="text-align: left;" %)
1318
1319
1320 (% _mstvisible="2" style="text-align: left;" %)
1321 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1322 )))
1323
1324 (% _mstvisible="1" %)
1325 (((
1326 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1327 Format: Command Code (0x01) followed by 3 bytes time value.
1328 )))
1329
1330 (% _mstvisible="1" %)
1331 (((
1332 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1333 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1334 )))
1335
1336 (% _mstvisible="1" %)
1337 * (% _mstvisible="3" %)
1338 (((
1339 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1340 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1341 )))
1342 * (% _mstvisible="3" %)
1343 (((
1344 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1345 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1346
1347
1348 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1349
1350 )))
1351
1352 (% _mstvisible="1" style="text-align: left;" %)
1353 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1354
1355 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1356 Feature: Change External Sensor Mode.
1357
1358 (% _mstvisible="1" style="text-align: left;" %)
1359 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1360
1361 (% _mstvisible="1" %)
1362 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1363
1364 (% _mstvisible="1" %)
1365 (((
1366 (% _mstvisible="2" style="text-align: left;" %)
1367
1368
1369 (% _mstvisible="2" style="text-align: left;" %)
1370 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1371 )))
1372
1373 (% _mstvisible="1" %)
1374 (((
1375 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1376 Total bytes: 2 ~~ 5 bytes
1377 )))
1378
1379 (% _mstvisible="1" %)
1380 (((
1381 (% _mstvisible="2" %)
1382 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1383 )))
1384
1385 (% _mstvisible="1" %)
1386 * (% _mstvisible="3" %)
1387 (((
1388 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1389 0xA201: Set external sensor type to E1
1390 )))
1391 * (% _mstvisible="3" %)
1392 (((
1393 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1394 0xA209: Same as AT+EXT=9
1395 )))
1396 * (% _mstvisible="3" %)
1397 (((
1398 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1399 0xA20702003c,Same as AT+SETCNT=60
1400
1401
1402 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1403
1404 )))
1405
1406 (% _mstvisible="1" style="text-align: left;" %)
1407 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1408
1409 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1410 Feature: If PID is enabled, device will send the temperature probe ID on:
1411
1412 (% _mstvisible="1" %)
1413 * First Packet after OTAA Join
1414 * Every 24 hours since the first packet.
1415
1416 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1417 PID is default set to disable (0)
1418
1419 (% _mstvisible="1" style="text-align: left;" %)
1420 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1421
1422 (% _mstvisible="1" %)
1423 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1424
1425
1426 (% _mstvisible="1" style="text-align: left;" %)
1427 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1428
1429 (% _mstvisible="1" %)
1430 * 0xA800  **~-~->** AT+PID=0
1431 * 0xA801     **~-~->** AT+PID=1
1432
1433
1434
1435
1436 (% _mstvisible="1" style="text-align: left;" %)
1437 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1438
1439 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1440 Feature: Set device password, max 9 digits
1441
1442 (% _mstvisible="1" style="text-align: left;" %)
1443 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1444
1445 (% _mstvisible="1" %)
1446 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1447
1448 (% _mstvisible="1" %)
1449 (((
1450 (% _mstvisible="2" style="text-align: left;" %)
1451
1452
1453 (% _mstvisible="2" style="text-align: left;" %)
1454 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1455 )))
1456
1457 (% _mstvisible="1" %)
1458 (((
1459 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1460 No downlink command for this feature.
1461
1462 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1463
1464 )))
1465
1466 (% _mstvisible="1" style="text-align: left;" %)
1467 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1468
1469 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1470 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1471
1472 (% _mstvisible="1" style="text-align: left;" %)
1473 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1474
1475 (% _mstvisible="1" %)
1476 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1477
1478
1479 (% _mstvisible="1" style="text-align: left;" %)
1480 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1481
1482 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1483 No downlink command for this feature.
1484
1485
1486 (% _mstvisible="1" style="text-align: left;" %)
1487 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1488
1489 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1490 Feature: Set device to sleep mode
1491
1492 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1493 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1494
1495 (% _mstvisible="1" style="text-align: left;" %)
1496 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1497
1498 (% _mstvisible="1" %)
1499 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1500
1501
1502 (% _mstvisible="1" %)
1503 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1504
1505 (% _mstvisible="1" %)
1506 * There is no downlink command to set to Sleep mode.
1507
1508
1509
1510
1511 (% _mstvisible="1" %)
1512 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1513
1514 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1515 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1516
1517 (% _mstvisible="1" %)
1518 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1519
1520 (% _mstvisible="1" %)
1521 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1522
1523
1524 (% _mstvisible="1" %)
1525 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1526
1527 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1528 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1529
1530
1531 (% _mstvisible="1" %)
1532 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1533
1534 (% _mstvisible="1" %)
1535 (((
1536 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1537 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1538 )))
1539
1540 (% _mstvisible="1" %)
1541 (((
1542 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1543 SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
1544 )))
1545
1546 (% _mstvisible="1" %)
1547 (((
1548 (% _mstvisible="2" %)
1549 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1550 )))
1551
1552 (% _mstvisible="1" %)
1553 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1554
1555
1556 (% _mstvisible="1" %)
1557 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1558
1559 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1560 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1561
1562 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1563 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1564
1565
1566 (% _mstvisible="1" %)
1567 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1568
1569 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1570 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1571
1572 (% _mstvisible="1" %)
1573 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1574
1575 (% _mstvisible="1" %)
1576 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1577
1578
1579 (% _mstvisible="1" %)
1580 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1581
1582 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1583 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1584
1585
1586 (% _mstvisible="1" %)
1587 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1588
1589 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1590 Feature: Print the sector data from start page to stop page (max is 416 pages).
1591
1592 (% _mstvisible="1" %)
1593 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1594
1595 (% _mstvisible="1" %)
1596 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1597
1598
1599 (% _mstvisible="1" %)
1600 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1601
1602 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1603 No downlink commands for feature
1604
1605
1606 (% _mstvisible="1" %)
1607 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1608
1609 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1610 Feature: Print the last few data entries
1611
1612 (% _mstvisible="1" %)
1613 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1614
1615 (% _mstvisible="1" %)
1616 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1617
1618
1619 (% _mstvisible="1" %)
1620 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1621
1622 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1623 No downlink commands for feature
1624
1625
1626 (% _mstvisible="1" %)
1627 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1628
1629 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1630 Feature: Clear flash storage for data log feature.
1631
1632 (% _mstvisible="1" %)
1633 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1634
1635 (% _mstvisible="1" %)
1636 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1637
1638
1639 (% _mstvisible="1" %)
1640 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1641
1642 (% _mstvisible="1" %)
1643 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1644
1645
1646
1647
1648 (% _mstvisible="1" %)
1649 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1650
1651 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1652 Feature: LHT65N will wait for ACK for each uplink, If LHT65N doesn't get ACK from the IoT server, it will consider the message doesn't arrive server and store it. LHT65N keeps sending messages in normal periodically. Once LHT65N gets ACK from a server, it will consider the network is ok and start to send the not-arrive message.
1653
1654
1655 (% _mstvisible="1" %)
1656 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1657
1658 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1659 The default factory setting is 0
1660
1661 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1662 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 171px;" %)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|=(% _mstvisible="4" style="width: 219px;" %)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|=(% _mstvisible="4" style="width: 119px;" %)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response**
1663 (% _mstvisible="3" %)|(% _msthash="1231321" _msttexthash="130455" _mstvisible="4" style="width:171px" %)AT+PNACKMD=1|(% _msthash="1231322" _msttexthash="377026" _mstvisible="4" style="width:219px" %)Poll None-ACK message|(% _msthash="1231323" _msttexthash="14989" _mstvisible="4" style="width:119px" %)OK
1664
1665 (% _mstvisible="1" %)
1666 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1667
1668 (% _mstvisible="1" %)
1669 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1670
1671
1672
1673
1674 (% _mstvisible="1" %)
1675 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1676
1677 (% _mstvisible="1" %)
1678 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1679
1680 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1681 LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
1682
1683 (% _mstvisible="1" %)
1684 (((
1685 (% _mstvisible="2" %)
1686 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1687 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1688 )))
1689
1690 (% _mstvisible="1" %)
1691 (((
1692 (% _mstvisible="2" %)
1693 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1694
1695 )))
1696
1697 (% _mstvisible="1" %)
1698 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1699
1700 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1701 LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
1702
1703 (% _mstvisible="1" %)
1704 [[image:image-20220515075440-2.png||_mstalt="429546" _mstvisible="3" height="338" width="272"]][[image:image-20220515075625-3.png||_mstalt="431574" _mstvisible="3" height="193" width="257"]]
1705
1706
1707 (% _mstvisible="1" %)
1708 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1709
1710 (% _mstvisible="1" %)
1711 (((
1712 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1713 (((
1714 (% _msthash="736723" _msttexthash="35479028" %)
1715 Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
1716 [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
1717 )))
1718
1719 (((
1720
1721 )))
1722
1723 (((
1724 (% _msthash="736724" _msttexthash="12045098" %)
1725 A full detail test report for LHT65N on different frequency can be found at : [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0>>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
1726 )))
1727
1728
1729 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1730 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1731
1732 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1733 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1734
1735 (((
1736 (% _msthash="736725" _msttexthash="9345674" %)
1737 LHT65N supports AT Command set.User can use a USB to TTL adapter plus the Program Cable to connect to LHT65 for using AT command, as below.
1738 )))
1739
1740 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1741
1742
1743 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1744
1745 (% _msthash="506062" _msttexthash="1187732" %)
1746 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1747
1748 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1749
1750 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1751
1752 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1753
1754
1755 (((
1756 (% _msthash="736726" _msttexthash="67213055" %)
1757 In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**) (%%)to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
1758 )))
1759
1760 (((
1761 (% _msthash="736727" _msttexthash="1907009" %)
1762 Input password and ATZ to activate LHT65N,As shown below:
1763 )))
1764
1765 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1766
1767
1768 (% _msthash="506066" _msttexthash="544869" %)
1769 AT Command List is as below:
1770
1771 (% _msthash="506067" _msttexthash="361920" %)
1772 AT+<CMD>? :  Help on <CMD>
1773
1774 (% _msthash="506068" _msttexthash="243061" %)
1775 AT+<CMD> :  Run <CMD>
1776
1777 (% _msthash="506069" _msttexthash="704197" %)
1778 AT+<CMD>=<value> :  Set the value
1779
1780 (% _msthash="506070" _msttexthash="455676" %)
1781 AT+<CMD>=? :  Get the value
1782
1783 (% _msthash="506071" _msttexthash="670553" %)
1784 AT+DEBUG:  Set more info output
1785
1786 (% _msthash="506072" _msttexthash="485888" %)
1787 ATZ:  Trig a reset of the MCU
1788
1789 (% _msthash="506073" _msttexthash="2068872" %)
1790 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1791
1792 (% _msthash="506074" _msttexthash="689169" %)
1793 AT+DEUI:  Get or Set the Device EUI
1794
1795 (% _msthash="506075" _msttexthash="960414" %)
1796 AT+DADDR:  Get or Set the Device Address
1797
1798 (% _msthash="506076" _msttexthash="1079897" %)
1799 AT+APPKEY:  Get or Set the Application Key
1800
1801 (% _msthash="506077" _msttexthash="1326143" %)
1802 AT+NWKSKEY:  Get or Set the Network Session Key
1803
1804 (% _msthash="506078" _msttexthash="1573000" %)
1805 AT+APPSKEY:  Get or Set the Application Session Key
1806
1807 (% _msthash="506079" _msttexthash="1041729" %)
1808 AT+APPEUI:  Get or Set the Application EUI
1809
1810 (% _msthash="506080" _msttexthash="2104206" %)
1811 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1812
1813 (% _msthash="506081" _msttexthash="3369288" %)
1814 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1815
1816 (% _msthash="506082" _msttexthash="1894529" %)
1817 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1818
1819 (% _msthash="506083" _msttexthash="3864172" %)
1820 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1821
1822 (% _msthash="506084" _msttexthash="1712204" %)
1823 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1824
1825 (% _msthash="506085" _msttexthash="1281202" %)
1826 AT+RX2FQ:  Get or Set the Rx2 window frequency
1827
1828 (% _msthash="506086" _msttexthash="2796781" %)
1829 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1830
1831 (% _msthash="506087" _msttexthash="3285165" %)
1832 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1833
1834 (% _msthash="506088" _msttexthash="3286179" %)
1835 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1836
1837 (% _msthash="506089" _msttexthash="4703803" %)
1838 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1839
1840 (% _msthash="506090" _msttexthash="4704999" %)
1841 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1842
1843 (% _msthash="506091" _msttexthash="1528683" %)
1844 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1845
1846 (% _msthash="506092" _msttexthash="757185" %)
1847 AT+NWKID:  Get or Set the Network ID
1848
1849 (% _msthash="506093" _msttexthash="1156597" %)
1850 AT+FCU:  Get or Set the Frame Counter Uplink
1851
1852 (% _msthash="506094" _msttexthash="1273987" %)
1853 AT+FCD:  Get or Set the Frame Counter Downlink
1854
1855 (% _msthash="506095" _msttexthash="859222" %)
1856 AT+CLASS:  Get or Set the Device Class
1857
1858 (% _msthash="506096" _msttexthash="384852" %)
1859 AT+JOIN:  Join network
1860
1861 (% _msthash="506097" _msttexthash="548626" %)
1862 AT+NJS:  Get the join status
1863
1864 (% _msthash="506098" _msttexthash="2546206" %)
1865 AT+SENDB:  Send hexadecimal data along with the application port
1866
1867 (% _msthash="506099" _msttexthash="1932307" %)
1868 AT+SEND:  Send text data along with the application port
1869
1870 (% _msthash="506100" _msttexthash="3560557" %)
1871 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1872
1873 (% _msthash="506101" _msttexthash="1429701" %)
1874 AT+RECV:  Print last received data in raw format
1875
1876 (% _msthash="506102" _msttexthash="1735981" %)
1877 AT+VER:  Get current image version and Frequency Band
1878
1879 (% _msthash="506103" _msttexthash="1189474" %)
1880 AT+CFM:  Get or Set the confirmation mode (0-1)
1881
1882 (% _msthash="506104" _msttexthash="1718210" %)
1883 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1884
1885 (% _msthash="506105" _msttexthash="1339403" %)
1886 AT+SNR:  Get the SNR of the last received packet
1887
1888 (% _msthash="506106" _msttexthash="1452009" %)
1889 AT+RSSI:  Get the RSSI of the last received packet
1890
1891 (% _msthash="506107" _msttexthash="2768142" %)
1892 AT+TDC:  Get or set the application data transmission interval in ms
1893
1894 (% _msthash="506108" _msttexthash="1083914" %)
1895 AT+PORT:  Get or set the application port
1896
1897 (% _msthash="506109" _msttexthash="622440" %)
1898 AT+DISAT:  Disable AT commands
1899
1900 (% _msthash="506110" _msttexthash="868361" %)
1901 AT+PWORD: Set password, max 9 digits
1902
1903 (% _msthash="506111" _msttexthash="2210299" %)
1904 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1905
1906 (% _msthash="506112" _msttexthash="2113462" %)
1907 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1908
1909 (% _msthash="506113" _msttexthash="2087423" %)
1910 AT+PDTA:  Print the sector data from start page to stop page
1911
1912 (% _msthash="506114" _msttexthash="1063127" %)
1913 AT+PLDTA:  Print the last few sets of data
1914
1915 (% _msthash="506115" _msttexthash="1999426" %)
1916 AT+CLRDTA:  Clear the storage, record position back to 1st
1917
1918 (% _msthash="506116" _msttexthash="442130" %)
1919 AT+SLEEP:  Set sleep mode
1920
1921 (% _msthash="506117" _msttexthash="1080222" %)
1922 AT+EXT:  Get or Set external sensor model
1923
1924 (% _msthash="506118" _msttexthash="1309490" %)
1925 AT+BAT:  Get the current battery voltage in mV
1926
1927 (% _msthash="506119" _msttexthash="813891" %)
1928 AT+CFG:  Print all configurations
1929
1930 (% _msthash="506120" _msttexthash="551707" %)
1931 AT+WMOD:  Get or Set Work Mode
1932
1933 (% _msthash="506121" _msttexthash="2631499" %)
1934 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1935
1936 (% _msthash="506122" _msttexthash="3907150" %)
1937 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1938
1939 (% _msthash="506123" _msttexthash="854620" %)
1940 AT+SETCNT:  Set the count at present
1941
1942 (% _msthash="506124" _msttexthash="2554877" %)
1943 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1944
1945 (% _msthash="506125" _msttexthash="771849" %)
1946 AT+RPL:  Get or set response level
1947
1948 (% _msthash="506126" _msttexthash="1484314" %)
1949 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1950
1951 (% _msthash="506127" _msttexthash="741728" %)
1952 AT+LEAPSEC:  Get or Set Leap Second
1953
1954 (% _msthash="506128" _msttexthash="1694017" %)
1955 AT+SYNCMOD:  Get or Set time synchronization method
1956
1957 (% _msthash="506129" _msttexthash="2235948" %)
1958 AT+SYNCTDC:  Get or set time synchronization interval in day
1959
1960 (% _msthash="506130" _msttexthash="425542" %)
1961 AT+PID:  Get or set the PID
1962
1963
1964 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1965
1966 (% _msthash="506131" _msttexthash="14585714" %)
1967 AT commands：
1968
1969 [[image:image-20220620153708-1.png||height="603" width="723"]]
1970
1971 (% _msthash="506132" _msttexthash="337922" %)
1972 Downlink commands:
1973
1974
1975 (% _msthash="506133" _msttexthash="33046" %)
1976 **TTN:**
1977
1978 [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1979
1980
1981 (% _msthash="506134" _msttexthash="11113791" %)
1982 **Helium：**
1983
1984 [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1985
1986
1987 (% _msthash="506135" _msttexthash="4159844" %)
1988 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1989
1990 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1991
1992 [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1993
1994
1995 (% _msthash="506136" _msttexthash="39286" %)
1996 **Aws:**
1997
1998 [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1999
2000
2001 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
2002
2003 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018"]]
2004
2005
2006 (% _msthash="536757" _msttexthash="1874951" %)
2007 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
2008
2009 [[image:image-20220615153355-1.png]]
2010
2011 [[image:image-20220620154900-5.jpeg||height="427" width="570"]]
2012
2013 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2014
2015 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2016
2017 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2018
2019
2020 To switch from download mode to command mode, press reset key
2021
2022
2023 (((
2024 (% _msthash="736728" _msttexthash="67213055" %)
2025 (((
2026 In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600** (%%)to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:red" %)**123456**)(%%) to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
2027 )))
2028 )))
2029
2030 (((
2031 (% _msthash="736729" _msttexthash="1907009" %)
2032 Input password and ATZ to activate LHT65N,As shown below:
2033
2034 [[image:image-20220615154519-3.png||height="672" width="807"]]
2035
2036
2037 )))
2038
2039 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
2040
2041
2042 [[image:image-20220615153355-1.png]]
2043
2044 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2045
2046 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2047
2048 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2049
2050 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2051
2052 [[image:image-20220620160241-6.jpeg||height="428" width="571"]]
2053
2054 Press reset after connecting the 4boot cable to enter the download mode.
2055
2056 [[image:image-20220620160516-7.png||height="435" width="435"]]
2057
2058
2059 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2060
2061 [[image:image-20220615170542-5.png]]
2062
2063
2064 (% _msthash="506146" _msttexthash="52173160" %)
2065 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2066
2067
2068 (% _msthash="506147" _msttexthash="188083584" %)
2069 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2070
2071 [[image:image-20220615171334-6.png]]
2072
2073
2074 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2075
2076 [[image:image-20220620160723-8.png]]
2077
2078
2079 )))
2080
2081 (% _mstvisible="1" %)
2082 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2083
2084 (% _mstvisible="1" %)
2085 (((
2086 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2087 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2088 )))
2089
2090 (% _mstvisible="1" %)
2091 (((
2092 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2093 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2094 )))
2095
2096 (% _mstvisible="1" %)
2097 * (% _mstvisible="3" %)
2098 (((
2099 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2100 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2101 )))
2102 * (% _mstvisible="3" %)
2103 (((
2104 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2105 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2106 )))
2107 * (% _mstvisible="3" %)
2108 (((
2109 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2110 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2111 )))
2112 * (% _mstvisible="3" %)
2113 (((
2114 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2115 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2116 )))
2117 * (% _mstvisible="3" %)
2118 (((
2119 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2120 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2121 )))
2122 * (% _mstvisible="3" %)
2123 (((
2124 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2125 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2126 )))
2127 * (% _mstvisible="3" %)
2128 (((
2129 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2130 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2131 )))
2132 * (% _mstvisible="3" %)
2133 (((
2134 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2135 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2136 )))
2137
2138 (% _mstvisible="1" %)
2139 (((
2140 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2141 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2142 )))
2143
2144 (% _mstvisible="1" %)
2145 * (% _mstvisible="3" %)
2146 (((
2147 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2148 (% style="color:red" %)**E3**(%%): External Temperature Probe
2149
2150
2151 )))
2152
2153 (% _mstvisible="1" %)
2154 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2155
2156 (% _mstvisible="1" %)
2157 (((
2158 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2159
2160
2161 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2162 (% _mstvisible="3" %)**Package Includes**(%%):
2163 )))
2164
2165 (% _mstvisible="1" %)
2166 * (% _mstvisible="3" %)
2167 (((
2168 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2169 LHT65N Temperature & Humidity Sensor x 1
2170 )))
2171 * (% _mstvisible="3" %)
2172 (((
2173 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2174 Optional external sensor
2175 )))
2176
2177 (% _mstvisible="1" %)
2178 (((
2179 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2180 (% _mstvisible="3" %)**Dimension and weight**(%%):
2181 )))
2182
2183 (% _mstvisible="1" %)
2184 * (% _mstvisible="3" %)
2185 (((
2186 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2187 Device Size:  10 x 10 x 3.5 cm
2188 )))
2189 * (% _mstvisible="3" %)
2190 (((
2191 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2192 Device Weight: 120.5g
2193 )))
2194
2195 (% _mstvisible="3" %)
2196 (((
2197
2198 )))
2199
2200 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2201
2202 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2203
2204
2205
2206
2207 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2208
2209 (% _mstvisible="1" %)
2210 (((
2211 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2212 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2213 )))
2214
2215 (% _mstvisible="1" %)
2216 (((
2217 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2218 (1) This device may not cause harmful interference；
2219 )))
2220
2221 (% _mstvisible="1" %)
2222 (((
2223 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2224 (2) this device must accept any interference received, including interference that may cause undesired operation.
2225 )))