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Version 166.9 by Xiaoling on 2022/06/21 10:39
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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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67 (% _mstvisible="1" %)
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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80 (% _mstvisible="1" %)
81 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
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84 (((
85 (% _mstvisible="2" %)
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89 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
90 )))
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92 (% _mstvisible="1" %)
93 * (% _mstvisible="3" %)
94 (((
95 (% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
96 Resolution: 0.01 °C
97 )))
98 * (% _mstvisible="3" %)
99 (((
100 (% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
101 Accuracy Tolerance : Typ ±0.3 °C
102 )))
103 * (% _mstvisible="3" %)
104 (((
105 (% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
106 Long Term Drift: < 0.02 °C/yr
107 )))
108 * (% _mstvisible="3" %)
109 (((
110 (% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
111 Operating Range: -40 ~~ 85 °C
112 )))
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114 (% _mstvisible="1" %)
115 (((
116 (% _mstvisible="2" %)
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119 (% _mstvisible="2" %)
120 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
121 )))
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123 (% _mstvisible="1" %)
124 * (% _mstvisible="3" %)
125 (((
126 (% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
127 Resolution: 0.04 %RH
128 )))
129 * (% _mstvisible="3" %)
130 (((
131 (% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
132 Accuracy Tolerance : Typ ±3 %RH
133 )))
134 * (% _mstvisible="3" %)
135 (((
136 (% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
137 Long Term Drift: < 0.02 °C/yr
138 )))
139 * (% _mstvisible="3" %)
140 (((
141 (% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
142 Operating Range: 0 ~~ 96 %RH
143 )))
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145 (% _mstvisible="1" %)
146 (((
147 (% _mstvisible="2" %)
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150 (% _mstvisible="2" %)
151 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
152 )))
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154 (% _mstvisible="1" %)
155 * (% _mstvisible="3" %)
156 (((
157 (% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
158 Resolution: 0.0625 °C
159 )))
160 * (% _mstvisible="3" %)
161 (((
162 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
163 ±0.5°C accuracy from -10°C to +85°C
164 )))
165 * (% _mstvisible="3" %)
166 (((
167 (% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
168 ±2°C accuracy from -55°C to +125°C
169 )))
170 * (% _mstvisible="3" %)
171 (((
172 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
173 Operating Range: -55 °C ~~ 125 °C
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176 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
177
178 )))
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180 (% _mstvisible="1" %)
181 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
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183 (% _mstvisible="1" %)
184 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
185
186 (% _mstvisible="1" %)
187 (((
188 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
189 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.
190 )))
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192 (% _mstvisible="1" %)
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194 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
195 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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197 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
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199 )))
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201 (% _mstvisible="1" %)
202 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
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204 (% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
205 The LHT65N has two working modes:
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207 (% _mstvisible="1" %)
208 * (% 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.
209 * (% 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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212 (((
213 (% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
214 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
215 )))
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217 (% _mstvisible="1" %)
218 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
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220 (% _mstvisible="1" %)
221 [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
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224 (% _mstvisible="1" %)
225 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
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227 (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
228 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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230 (% _mstvisible="1" class="wikigeneratedid" %)
231 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
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233 (% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
234 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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237 (% _mstvisible="1" %)
238 === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
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240 (% _msthash="315242" _msttexthash="1601782" _mstvisible="1" %)
241 Create a device in TTN V3 with the OTAA keys from LHT65N.
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243 (% _msthash="315243" _msttexthash="3694444" _mstvisible="1" %)
244 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
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246 (% _mstvisible="1" %)
247 [[image:image-20220617150003-1.jpeg]]
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249 (% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
250 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
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252 (% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
253 Add APP EUI in the application.
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255 (% _mstvisible="1" %)
256 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
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258 (% _mstvisible="1" %)
259 [[image:image-20220522232932-4.png||_mstalt="430157" _mstvisible="3"]]
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261 (% _mstvisible="1" %)
262 [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
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264 (% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
265 Note: LHT65N use same payload as LHT65.
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267 (% _mstvisible="1" %)
268 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
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271 (% _msthash="315247" _msttexthash="595543" _mstvisible="1" %)
272 Input APP EUI,  APP KEY and DEV EUI:
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274 (% _mstvisible="1" %)
275 [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
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279 (% _mstvisible="1" %)
280 === (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
281
282 (% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
283 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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285 (% _mstvisible="1" %)
286 [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
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290 (% _mstvisible="1" %)
291 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
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293 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
294 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.
295
296 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
297 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
298
299 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
300 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
301 (((
302 (% _mstvisible="6" %)
303 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
304 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
305 (((
306 (% _mstvisible="6" %)
307 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
308 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
309 (((
310 (% _mstvisible="6" %)
311 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
312 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
313 (((
314 (% _mstvisible="6" %)
315 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
316 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
317 (((
318 (% _mstvisible="6" %)
319 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
320 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
321 (((
322 (% _mstvisible="6" %)
323 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
324 )))
325 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
326 (((
327 (% _mstvisible="6" %)
328 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
329 )))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
330 (((
331 (% _mstvisible="6" %)
332 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
333 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
334 (((
335 (% _mstvisible="6" %)
336 (((
337 (% _mstvisible="7" %)
338 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
339 )))
340 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
341 (((
342 (% _mstvisible="6" %)
343 (((
344 (% _mstvisible="7" %)
345 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
346 )))
347
348 (% _mstvisible="6" %)
349 (((
350 (% _mstvisible="7" %)
351 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
352 )))
353 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
354 (((
355 (% _mstvisible="6" %)
356 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
357 )))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
358 (((
359 (% _mstvisible="6" %)
360 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
361 )))
362
363 (% _mstvisible="1" %)
364 * The First 6 bytes: has fix meanings for every LHT65N.
365 * The 7th byte (EXT #): defines the external sensor model.
366 * 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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368 (% _mstvisible="1" %)
369 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
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371 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
372 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.
373
374 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
375 Below is the position to put the decoder and LHT65N decoder can be download from here:
376
377 (% _mstvisible="1" %)
378 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
379
380 (% _mstvisible="1" %)
381 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
382
383
384
385 (% _mstvisible="1" %)
386 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
387
388 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
389 These two bytes of BAT include the battery state and the actually voltage
390
391 (% _mstvisible="1" %)
392 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
393
394 (% _mstvisible="1" %)
395 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
396
397 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
398 Check the battery voltage for LHT65N.
399
400 (% _mstvisible="1" %)
401 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
402 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
403
404 (% _mstvisible="1" %)
405 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
406
407 (% _mstvisible="1" %)
408 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
409
410 (% _mstvisible="1" %)
411 * Temperature:  0x0ABB/100=27.47℃
412
413 (% _mstvisible="1" %)
414 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
415
416 (% _mstvisible="1" %)
417 * Temperature:  (0xF5C6-65536)/100=-26.18℃
418
419 (% _mstvisible="1" %)
420 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
421
422 (% _mstvisible="1" %)
423 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
424
425 (% _mstvisible="1" %)
426 * Humidity:    0x025C/10=60.4%
427
428 (% _mstvisible="1" %)
429 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
430
431 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
432 Bytes for External Sensor:
433
434 (% _mstvisible="1" %)
435 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
436
437
438 (% _mstvisible="1" %)
439 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
440
441 (% _mstvisible="1" %)
442 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
443
444 (% _mstvisible="1" %)
445 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
446
447
448 (% _mstvisible="1" %)
449 * DS18B20 temp=0x0ADD/100=27.81℃
450
451 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
452 The last 2 bytes of data are meaningless
453
454 (% _mstvisible="1" %)
455 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
456
457
458 (% _mstvisible="1" %)
459 * External temperature= (0xF54F-65536)/100=-27.37℃
460
461 (% _mstvisible="1" %)
462 (((
463 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
464 The last 2 bytes of data are meaningless
465 )))
466
467 (% _mstvisible="1" %)
468 (((
469 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
470 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
471 )))
472
473
474 (% _mstvisible="1" %)
475 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
476
477 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
478 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:
479
480 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
481 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
482 (((
483 (% _mstvisible="6" %)
484 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
485 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
486 (((
487 (% _mstvisible="6" %)
488 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
489 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
490 (((
491 (% _mstvisible="6" %)
492 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
493 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
494 (((
495 (% _mstvisible="6" %)
496 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
497 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
498 (((
499 (% _mstvisible="6" %)
500 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
501 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
502 (((
503 (% _mstvisible="6" %)
504 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
505 )))
506 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
507 (((
508 (% _mstvisible="6" %)
509 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
510 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
511 (((
512 (% _mstvisible="6" %)
513 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
514 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
515 (((
516 (% _mstvisible="6" %)
517 (((
518 (% _mstvisible="7" %)
519 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
520 )))
521
522 (% _mstvisible="6" %)
523 (((
524 (% _mstvisible="7" %)
525 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
526 )))
527 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
528 (((
529 (% _mstvisible="6" %)
530 (((
531 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
532 BAT Status &
533 )))
534
535 (% _mstvisible="6" %)
536 (((
537 (% _mstvisible="7" %)
538 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
539 )))
540 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
541 (((
542 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
543 Status & Ext
544 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
545 (((
546 (% _mstvisible="6" %)
547 (((
548 (% _mstvisible="7" %)
549 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
550 )))
551 )))
552
553 (% _mstvisible="1" %)
554 * (% _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**
555
556 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
557 (% _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]
558 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
559 (((
560 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
561 BAT Status
562
563 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
564 00(b): Ultra Low ( BAT <= 2.50v)
565
566 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
567 01(b): Low  (2.50v <=BAT <= 2.55v)
568
569 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
570 10(b): OK   (2.55v <= BAT <=2.65v)
571
572 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
573 11(b): Good   (BAT >= 2.65v)
574 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
575 (((
576 (% _mstvisible="6" %)
577 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
578
579 (% _mstvisible="6" %)
580
581 )))
582
583 (% _mstvisible="1" %)
584 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
585
586 (% _mstvisible="1" %)
587 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
588
589 (% _mstvisible="1" %)
590 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
591 * 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.
592 * 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)
593
594 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
595
596 In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
597
598 be used to power the external ADC sensor; user can control the power on time for this
599
600 sensor by setting:
601
602 AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
603
604
605
606 (% _mstvisible="1" %)
607 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
608
609 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
610 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:
611
612 (% _mstvisible="1" %)
613 (((
614 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
615 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
616 )))
617
618 (% _mstvisible="1" %)
619 (((
620 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
621 (% _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.
622 )))
623
624 (% _mstvisible="1" %)
625 (((
626 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
627 Add Datacake:
628 )))
629
630 (% _mstvisible="1" %)
631 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
632
633
634 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
635 Select default key as Access Key:
636
637 (% _mstvisible="1" %)
638 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
639
640 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
641 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
642
643 (% _mstvisible="1" %)
644 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
645
646 (% _mstvisible="1" %)
647 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
648
649
650
651 (% _mstvisible="1" %)
652 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
653
654 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
655 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.
656
657
658 (% _mstvisible="1" %)
659 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
660
661 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
662 There are two methods:
663
664 (% _mstvisible="1" %)
665 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
666 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.
667
668 (% _mstvisible="1" %)
669 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
670
671 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
672 LHT65N uses Unix TimeStamp format based on
673
674 (% _mstvisible="1" %)
675 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
676
677
678 (% _mstvisible="1" %)
679 (((
680 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
681 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
682 )))
683
684 (% _mstvisible="1" %)
685 (((
686 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
687 Below is the converter example
688 )))
689
690 (% _mstvisible="1" %)
691 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
692
693 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
694 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
695
696
697 (% _mstvisible="1" %)
698 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
699
700 (% _mstvisible="1" %)
701 (((
702 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
703 There are two ways to set device’s time:
704 )))
705
706 (% _mstvisible="1" %)
707 (((
708 (% _mstvisible="2" %)
709 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
710 )))
711
712 (% _mstvisible="1" %)
713 (((
714 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
715 User need to set SYNCMOD=1 to enable sync time via MAC command.
716 )))
717
718 (% _mstvisible="1" %)
719 (((
720 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
721 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).
722 )))
723
724 (% _mstvisible="1" %)
725 (((
726 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
727 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.
728 )))
729
730 (% _mstvisible="1" %)
731 (((
732 (% _mstvisible="2" %)
733
734 )))
735
736 (% _mstvisible="1" %)
737 (((
738 (% _mstvisible="2" %)
739 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
740 )))
741
742 (% _mstvisible="1" %)
743 (((
744 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
745 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
746
747 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
748
749 )))
750
751 (% _mstvisible="1" %)
752 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
753
754 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
755 User can poll sensor value based on timestamps from the server. Below is the downlink command.
756
757 (% _mstvisible="1" %)
758 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
759
760 (% _mstvisible="1" %)
761 (((
762 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
763 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.
764 )))
765
766 (% _mstvisible="1" %)
767 (((
768 (% _mstvisible="2" %)
769 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
770 )))
771
772 (% _mstvisible="1" %)
773 (((
774 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
775 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
776 )))
777
778 (% _mstvisible="1" %)
779 (((
780 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
781 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
782 )))
783
784
785 (% _mstvisible="1" %)
786 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
787
788 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
789 The Datalog poll reply uplink will use below payload format.
790
791 (% _mstvisible="1" %)
792 (((
793 (% _mstvisible="2" %)
794 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
795 )))
796
797 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
798 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
799 (((
800 (% _mstvisible="6" %)
801 (((
802 (% _mstvisible="7" %)
803 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
804 )))
805 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
806 (((
807 (% _mstvisible="6" %)
808 (((
809 (% _mstvisible="7" %)
810 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
811 )))
812 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
813 (((
814 (% _mstvisible="6" %)
815 (((
816 (% _mstvisible="7" %)
817 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
818 )))
819 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
820 (((
821 (% _mstvisible="6" %)
822 (((
823 (% _mstvisible="7" %)
824 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
825 )))
826 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
827 (((
828 (% _mstvisible="6" %)
829 (((
830 (% _mstvisible="7" %)
831 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
832 )))
833 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
834 (((
835 (% _mstvisible="6" %)
836 (((
837 (% _mstvisible="7" %)
838 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
839 )))
840 )))
841 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
842 (((
843 (% _mstvisible="6" %)
844 (((
845 (% _mstvisible="7" %)
846 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
847 )))
848 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
849 (((
850 (% _mstvisible="6" %)
851 (((
852 (% _mstvisible="7" %)
853 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
854 )))
855 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
856 (((
857 (% _mstvisible="6" %)
858 (((
859 (% _mstvisible="7" %)
860 (((
861 (% _mstvisible="8" %)
862 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
863 )))
864 )))
865
866 (% _mstvisible="6" %)
867 (((
868 (% _mstvisible="7" %)
869 (((
870 (% _mstvisible="8" %)
871 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
872 )))
873 )))
874 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
875 (((
876 (% _mstvisible="6" %)
877 (((
878 (% _mstvisible="7" %)
879 (((
880 (% _mstvisible="8" %)
881 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
882 )))
883 )))
884
885 (% _mstvisible="6" %)
886 (((
887 (% _mstvisible="7" %)
888 (((
889 (% _mstvisible="8" %)
890 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
891 )))
892 )))
893 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
894 (((
895 (% _mstvisible="6" %)
896 (((
897 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
898 Poll message flag & Ext
899 )))
900 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
901 (((
902 (% _mstvisible="6" %)
903 (((
904 (% _mstvisible="7" %)
905 (((
906 (% _mstvisible="8" %)
907 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
908 )))
909 )))
910
911 (% _mstvisible="6" %)
912 (((
913 (% _mstvisible="7" %)
914 (((
915 (% _mstvisible="8" %)
916
917 )))
918 )))
919 )))
920
921 (% _mstvisible="1" %)
922 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
923
924 (% _mstvisible="1" %)
925 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
926
927 (% _mstvisible="1" %)
928 (((
929 (% _mstvisible="2" %)
930 (((
931 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
932 Poll Message Flag: 1: This message is a poll message reply.
933 )))
934 )))
935
936 (% _mstvisible="1" %)
937 * (% _mstvisible="3" %)
938 (((
939 (% _mstvisible="4" %)
940 (((
941 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
942 Poll Message Flag is set to 1.
943 )))
944 )))
945 * (% _mstvisible="3" %)
946 (((
947 (% _mstvisible="4" %)
948 (((
949 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
950 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
951 )))
952 )))
953
954 (% _mstvisible="1" %)
955 (((
956 (% _mstvisible="2" %)
957 (((
958 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
959
960
961 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
962 For example, in US915 band, the max payload for different DR is:
963 )))
964 )))
965
966 (% _mstvisible="1" %)
967 (((
968 (% _mstvisible="2" %)
969 (((
970 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
971 a) DR0: max is 11 bytes so one entry of data
972 )))
973 )))
974
975 (% _mstvisible="1" %)
976 (((
977 (% _mstvisible="2" %)
978 (((
979 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
980 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
981 )))
982 )))
983
984 (% _mstvisible="1" %)
985 (((
986 (% _mstvisible="2" %)
987 (((
988 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
989 c) DR2: total payload includes 11 entries of data
990 )))
991 )))
992
993 (% _mstvisible="1" %)
994 (((
995 (% _mstvisible="2" %)
996 (((
997 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
998 d) DR3: total payload includes 22 entries of data.
999 )))
1000 )))
1001
1002 (% _mstvisible="1" %)
1003 (((
1004 (% _mstvisible="2" %)
1005 (((
1006 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1007 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1008 )))
1009 )))
1010
1011
1012 (% _mstvisible="1" style="text-align: left;" %)
1013 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1014
1015 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1016 If LHT65N has below data inside Flash:
1017
1018 (% _mstvisible="1" %)
1019 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1020
1021 (% _mstvisible="1" %)
1022 (((
1023 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1024 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1025 )))
1026
1027 (% _mstvisible="1" %)
1028 (((
1029 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1030 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1031 )))
1032
1033 (% _mstvisible="1" %)
1034 (((
1035 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1036 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1037 )))
1038
1039 (% _mstvisible="1" %)
1040 (((
1041 (% _mstvisible="2" %)
1042
1043 )))
1044
1045 (% _mstvisible="1" %)
1046 (((
1047 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1048 LHT65N will uplink this payload.
1049 )))
1050
1051 (% _mstvisible="1" %)
1052 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1053
1054 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1055 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1056
1057 (% _msthash="315237" _msttexthash="1385839" %)
1058 Where the first 11 bytes is for the first entry:
1059
1060 (% _msthash="315238" _msttexthash="274846" %)
1061 7FFF089801464160065F97
1062
1063 (% _msthash="315239" _msttexthash="617435" %)
1064 Ext sensor data=0x7FFF/100=327.67
1065
1066 (% _msthash="315240" _msttexthash="270543" %)
1067 Temp=0x0898/100=22.00
1068
1069 (% _msthash="315241" _msttexthash="211783" %)
1070 Hum=0x0146/10=32.6
1071
1072 (% _msthash="315242" _msttexthash="1569776" %)
1073 poll message flag & Ext=0x41,means reply data,Ext=1
1074
1075 (% _msthash="315243" _msttexthash="1120509" %)
1076 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1077
1078
1079 (% _mstvisible="1" style="text-align: left;" %)
1080 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1081
1082 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1083 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.
1084
1085 (% _mstvisible="1" %)
1086 (((
1087 (% _mstvisible="2" style="text-align: left;" %)
1088 (% _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.
1089 )))
1090
1091 (% _mstvisible="1" style="text-align: left;" %)
1092 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1093
1094 (% _mstvisible="1" class="box infomessage" %)
1095 (((
1096 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1097 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1098
1099 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1100 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1101
1102 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1103 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1104
1105 (% _mstvisible="2" style="text-align: left;" %)
1106 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1107
1108 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1109 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1110 )))
1111
1112
1113
1114 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1115 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1116
1117 (% _mstvisible="1" %)
1118 (((
1119 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1120 The LHT65 has a triple color LED which for easy showing different stage .
1121
1122 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1123 While user press ACT button, the LED will work as per LED status with ACT button.
1124 )))
1125
1126 (% _mstvisible="1" %)
1127 (((
1128 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1129 In a normal working state:
1130 )))
1131
1132 (% _mstvisible="1" %)
1133 * (% _mstvisible="3" %)
1134 (((
1135 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1136 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1137
1138 (% _msthash="197771" _msttexthash="1202526" %)
1139 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1140 )))
1141 * (% _mstvisible="3" %)
1142 (((
1143 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1144 RED LED when external sensor is not connected
1145 )))
1146 * (% _mstvisible="3" %)
1147 (((
1148 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1149 For each success downlink, the PURPLE LED will blink once
1150
1151
1152
1153 )))
1154
1155 (% _mstvisible="1" style="text-align: left;" %)
1156 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1157
1158 (% _mstvisible="1" %)
1159 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1160
1161
1162 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1163 = (% _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(%%) =
1164
1165 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1166 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1167
1168 [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1169
1170 1m long breakout cable for LHT65N
1171
1172 [[image:image-20220619092421-3.png||height="371" width="529"]]
1173
1174
1175
1176 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1177 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1178
1179 (% _mstvisible="1" %)
1180 [[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"]]
1181
1182
1183 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1184 Temperature sensor with 2 meters cable long
1185
1186 (% _mstvisible="1" %)
1187 * Resolution: 0.0625 °C
1188 * ±0.5°C accuracy from -10°C to +85°C
1189 * ±2°C accuracy from -55°C to +125°C
1190 * Operating Range: -40 ~~ 125 °C
1191 * -55°C to 125°C
1192 * Working voltage 2.35v ~~ 5v
1193
1194
1195
1196
1197 (% _mstvisible="1" style="text-align: left;" %)
1198 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1199
1200 (% _mstvisible="1" %)
1201 (((
1202 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1203 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1204 )))
1205
1206 (% _mstvisible="1" %)
1207 * (% _mstvisible="3" %)
1208 (((
1209 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1210 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1211 )))
1212 * (% _mstvisible="3" %)
1213 (((
1214 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1215 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1216 )))
1217
1218 (% _mstvisible="1" %)
1219 (((
1220 (% _mstvisible="2" style="text-align: left;" %)
1221
1222 )))
1223
1224 (% _mstvisible="1" %)
1225 (((
1226 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1227 There are two kinds of commands to configure LHT65N, they are:
1228 )))
1229
1230 (% _mstvisible="1" %)
1231 (((
1232 (% _mstvisible="2" style="text-align: left;" %)
1233 (% _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" %).
1234 )))
1235
1236 (% _mstvisible="1" %)
1237 (((
1238 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1239 These commands are to configure:
1240 )))
1241
1242 (% _mstvisible="1" %)
1243 * (% _mstvisible="3" %)
1244 (((
1245 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1246 General system settings like: uplink interval.
1247 )))
1248 * (% _mstvisible="3" %)
1249 (((
1250 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1251 LoRaWAN protocol & radio-related commands.
1252 )))
1253
1254 (% _mstvisible="1" %)
1255 (((
1256 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1257 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]]
1258 )))
1259
1260 (% _mstvisible="1" %)
1261 (((
1262 (% _mstvisible="2" style="text-align: left;" %)
1263
1264 )))
1265
1266 (% _mstvisible="1" %)
1267 (((
1268 (% _mstvisible="2" style="text-align: left;" %)
1269 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1270 )))
1271
1272 (% _mstvisible="1" %)
1273 (((
1274 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1275 These commands are only valid for LHT65N, as below:
1276
1277
1278 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1279
1280 )))
1281
1282 (% _mstvisible="1" style="text-align: left;" %)
1283 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1284
1285 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1286 Feature: Change LoRaWAN End Node Transmit Interval.
1287
1288 (% _mstvisible="1" style="text-align: left;" %)
1289 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1290
1291 (% _mstvisible="1" %)
1292 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1293
1294 (% _mstvisible="1" %)
1295 (((
1296 (% _mstvisible="2" style="text-align: left;" %)
1297
1298
1299 (% _mstvisible="2" style="text-align: left;" %)
1300 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1301 )))
1302
1303 (% _mstvisible="1" %)
1304 (((
1305 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1306 Format: Command Code (0x01) followed by 3 bytes time value.
1307 )))
1308
1309 (% _mstvisible="1" %)
1310 (((
1311 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1312 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1313 )))
1314
1315 (% _mstvisible="1" %)
1316 * (% _mstvisible="3" %)
1317 (((
1318 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1319 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1320 )))
1321 * (% _mstvisible="3" %)
1322 (((
1323 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1324 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1325
1326
1327 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1328
1329 )))
1330
1331 (% _mstvisible="1" style="text-align: left;" %)
1332 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1333
1334 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1335 Feature: Change External Sensor Mode.
1336
1337 (% _mstvisible="1" style="text-align: left;" %)
1338 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1339
1340 (% _mstvisible="1" %)
1341 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1342
1343 (% _mstvisible="1" %)
1344 (((
1345 (% _mstvisible="2" style="text-align: left;" %)
1346
1347
1348 (% _mstvisible="2" style="text-align: left;" %)
1349 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1350 )))
1351
1352 (% _mstvisible="1" %)
1353 (((
1354 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1355 Total bytes: 2 ~~ 5 bytes
1356 )))
1357
1358 (% _mstvisible="1" %)
1359 (((
1360 (% _mstvisible="2" %)
1361 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1362 )))
1363
1364 (% _mstvisible="1" %)
1365 * (% _mstvisible="3" %)
1366 (((
1367 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1368 0xA201: Set external sensor type to E1
1369 )))
1370 * (% _mstvisible="3" %)
1371 (((
1372 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1373 0xA209: Same as AT+EXT=9
1374 )))
1375 * (% _mstvisible="3" %)
1376 (((
1377 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1378 0xA20702003c,Same as AT+SETCNT=60
1379
1380
1381 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1382
1383 )))
1384
1385 (% _mstvisible="1" style="text-align: left;" %)
1386 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1387
1388 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1389 Feature: If PID is enabled, device will send the temperature probe ID on:
1390
1391 (% _mstvisible="1" %)
1392 * First Packet after OTAA Join
1393 * Every 24 hours since the first packet.
1394
1395 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1396 PID is default set to disable (0)
1397
1398 (% _mstvisible="1" style="text-align: left;" %)
1399 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1400
1401 (% _mstvisible="1" %)
1402 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1403
1404
1405 (% _mstvisible="1" style="text-align: left;" %)
1406 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1407
1408 (% _mstvisible="1" %)
1409 * 0xA800  **~-~->** AT+PID=0
1410 * 0xA801     **~-~->** AT+PID=1
1411
1412
1413
1414
1415 (% _mstvisible="1" style="text-align: left;" %)
1416 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1417
1418 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1419 Feature: Set device password, max 9 digits
1420
1421 (% _mstvisible="1" style="text-align: left;" %)
1422 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1423
1424 (% _mstvisible="1" %)
1425 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1426
1427 (% _mstvisible="1" %)
1428 (((
1429 (% _mstvisible="2" style="text-align: left;" %)
1430
1431
1432 (% _mstvisible="2" style="text-align: left;" %)
1433 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1434 )))
1435
1436 (% _mstvisible="1" %)
1437 (((
1438 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1439 No downlink command for this feature.
1440
1441 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1442
1443 )))
1444
1445 (% _mstvisible="1" style="text-align: left;" %)
1446 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1447
1448 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1449 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1450
1451 (% _mstvisible="1" style="text-align: left;" %)
1452 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1453
1454 (% _mstvisible="1" %)
1455 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1456
1457
1458 (% _mstvisible="1" style="text-align: left;" %)
1459 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1460
1461 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1462 No downlink command for this feature.
1463
1464
1465 (% _mstvisible="1" style="text-align: left;" %)
1466 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1467
1468 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1469 Feature: Set device to sleep mode
1470
1471 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1472 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1473
1474 (% _mstvisible="1" style="text-align: left;" %)
1475 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1476
1477 (% _mstvisible="1" %)
1478 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1479
1480
1481 (% _mstvisible="1" %)
1482 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1483
1484 (% _mstvisible="1" %)
1485 * There is no downlink command to set to Sleep mode.
1486
1487
1488
1489
1490 (% _mstvisible="1" %)
1491 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1492
1493 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1494 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1495
1496 (% _mstvisible="1" %)
1497 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1498
1499 (% _mstvisible="1" %)
1500 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1501
1502
1503 (% _mstvisible="1" %)
1504 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1505
1506 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1507 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1508
1509
1510 (% _mstvisible="1" %)
1511 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1512
1513 (% _mstvisible="1" %)
1514 (((
1515 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1516 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1517 )))
1518
1519 (% _mstvisible="1" %)
1520 (((
1521 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1522 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.
1523 )))
1524
1525 (% _mstvisible="1" %)
1526 (((
1527 (% _mstvisible="2" %)
1528 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1529 )))
1530
1531 (% _mstvisible="1" %)
1532 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1533
1534
1535 (% _mstvisible="1" %)
1536 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1537
1538 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1539 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1540
1541 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1542 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1543
1544
1545 (% _mstvisible="1" %)
1546 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1547
1548 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1549 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1550
1551 (% _mstvisible="1" %)
1552 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1553
1554 (% _mstvisible="1" %)
1555 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1556
1557
1558 (% _mstvisible="1" %)
1559 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1560
1561 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1562 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1563
1564
1565 (% _mstvisible="1" %)
1566 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1567
1568 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1569 Feature: Print the sector data from start page to stop page (max is 416 pages).
1570
1571 (% _mstvisible="1" %)
1572 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1573
1574 (% _mstvisible="1" %)
1575 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1576
1577
1578 (% _mstvisible="1" %)
1579 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1580
1581 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1582 No downlink commands for feature
1583
1584
1585 (% _mstvisible="1" %)
1586 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1587
1588 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1589 Feature: Print the last few data entries
1590
1591 (% _mstvisible="1" %)
1592 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1593
1594 (% _mstvisible="1" %)
1595 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1596
1597
1598 (% _mstvisible="1" %)
1599 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1600
1601 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1602 No downlink commands for feature
1603
1604
1605 (% _mstvisible="1" %)
1606 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1607
1608 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1609 Feature: Clear flash storage for data log feature.
1610
1611 (% _mstvisible="1" %)
1612 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1613
1614 (% _mstvisible="1" %)
1615 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1616
1617
1618 (% _mstvisible="1" %)
1619 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1620
1621 (% _mstvisible="1" %)
1622 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1623
1624
1625
1626
1627 (% _mstvisible="1" %)
1628 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1629
1630 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1631 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.
1632
1633
1634 (% _mstvisible="1" %)
1635 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1636
1637 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1638 The default factory setting is 0
1639
1640 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1641 (% _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**
1642 (% _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
1643
1644 (% _mstvisible="1" %)
1645 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1646
1647 (% _mstvisible="1" %)
1648 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1649
1650
1651
1652
1653 (% _mstvisible="1" %)
1654 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1655
1656 (% _mstvisible="1" %)
1657 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1658
1659 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1660 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.
1661
1662 (% _mstvisible="1" %)
1663 (((
1664 (% _mstvisible="2" %)
1665 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1666 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1667 )))
1668
1669 (% _mstvisible="1" %)
1670 (((
1671 (% _mstvisible="2" %)
1672 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1673
1674 )))
1675
1676 (% _mstvisible="1" %)
1677 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1678
1679 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1680 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.
1681
1682 (% _mstvisible="1" %)
1683 [[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"]]
1684
1685
1686 (% _mstvisible="1" %)
1687 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1688
1689 (% _mstvisible="1" %)
1690 (((
1691 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1692 (((
1693 (% _msthash="736723" _msttexthash="35479028" %)
1694 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:
1695 [[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]]
1696 )))
1697
1698 (((
1699
1700 )))
1701
1702 (((
1703 (% _msthash="736724" _msttexthash="12045098" %)
1704 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]]
1705 )))
1706
1707
1708 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1709 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1710
1711 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1712 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1713
1714 (((
1715 (% _msthash="736725" _msttexthash="9345674" %)
1716 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.
1717 )))
1718
1719 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1720
1721
1722 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1723
1724 (% _msthash="506062" _msttexthash="1187732" %)
1725 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1726
1727 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1728
1729 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1730
1731 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1732
1733
1734 (((
1735 (% _msthash="736726" _msttexthash="67213055" %)
1736 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.
1737 )))
1738
1739 (((
1740 (% _msthash="736727" _msttexthash="1907009" %)
1741 Input password and ATZ to activate LHT65N,As shown below:
1742 )))
1743
1744 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1745
1746
1747 (% _msthash="506066" _msttexthash="544869" %)
1748 AT Command List is as below:
1749
1750 (% _msthash="506067" _msttexthash="361920" %)
1751 AT+<CMD>? :  Help on <CMD>
1752
1753 (% _msthash="506068" _msttexthash="243061" %)
1754 AT+<CMD> :  Run <CMD>
1755
1756 (% _msthash="506069" _msttexthash="704197" %)
1757 AT+<CMD>=<value> :  Set the value
1758
1759 (% _msthash="506070" _msttexthash="455676" %)
1760 AT+<CMD>=? :  Get the value
1761
1762 (% _msthash="506071" _msttexthash="670553" %)
1763 AT+DEBUG:  Set more info output
1764
1765 (% _msthash="506072" _msttexthash="485888" %)
1766 ATZ:  Trig a reset of the MCU
1767
1768 (% _msthash="506073" _msttexthash="2068872" %)
1769 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1770
1771 (% _msthash="506074" _msttexthash="689169" %)
1772 AT+DEUI:  Get or Set the Device EUI
1773
1774 (% _msthash="506075" _msttexthash="960414" %)
1775 AT+DADDR:  Get or Set the Device Address
1776
1777 (% _msthash="506076" _msttexthash="1079897" %)
1778 AT+APPKEY:  Get or Set the Application Key
1779
1780 (% _msthash="506077" _msttexthash="1326143" %)
1781 AT+NWKSKEY:  Get or Set the Network Session Key
1782
1783 (% _msthash="506078" _msttexthash="1573000" %)
1784 AT+APPSKEY:  Get or Set the Application Session Key
1785
1786 (% _msthash="506079" _msttexthash="1041729" %)
1787 AT+APPEUI:  Get or Set the Application EUI
1788
1789 (% _msthash="506080" _msttexthash="2104206" %)
1790 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1791
1792 (% _msthash="506081" _msttexthash="3369288" %)
1793 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1794
1795 (% _msthash="506082" _msttexthash="1894529" %)
1796 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1797
1798 (% _msthash="506083" _msttexthash="3864172" %)
1799 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1800
1801 (% _msthash="506084" _msttexthash="1712204" %)
1802 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1803
1804 (% _msthash="506085" _msttexthash="1281202" %)
1805 AT+RX2FQ:  Get or Set the Rx2 window frequency
1806
1807 (% _msthash="506086" _msttexthash="2796781" %)
1808 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1809
1810 (% _msthash="506087" _msttexthash="3285165" %)
1811 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1812
1813 (% _msthash="506088" _msttexthash="3286179" %)
1814 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1815
1816 (% _msthash="506089" _msttexthash="4703803" %)
1817 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1818
1819 (% _msthash="506090" _msttexthash="4704999" %)
1820 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1821
1822 (% _msthash="506091" _msttexthash="1528683" %)
1823 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1824
1825 (% _msthash="506092" _msttexthash="757185" %)
1826 AT+NWKID:  Get or Set the Network ID
1827
1828 (% _msthash="506093" _msttexthash="1156597" %)
1829 AT+FCU:  Get or Set the Frame Counter Uplink
1830
1831 (% _msthash="506094" _msttexthash="1273987" %)
1832 AT+FCD:  Get or Set the Frame Counter Downlink
1833
1834 (% _msthash="506095" _msttexthash="859222" %)
1835 AT+CLASS:  Get or Set the Device Class
1836
1837 (% _msthash="506096" _msttexthash="384852" %)
1838 AT+JOIN:  Join network
1839
1840 (% _msthash="506097" _msttexthash="548626" %)
1841 AT+NJS:  Get the join status
1842
1843 (% _msthash="506098" _msttexthash="2546206" %)
1844 AT+SENDB:  Send hexadecimal data along with the application port
1845
1846 (% _msthash="506099" _msttexthash="1932307" %)
1847 AT+SEND:  Send text data along with the application port
1848
1849 (% _msthash="506100" _msttexthash="3560557" %)
1850 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1851
1852 (% _msthash="506101" _msttexthash="1429701" %)
1853 AT+RECV:  Print last received data in raw format
1854
1855 (% _msthash="506102" _msttexthash="1735981" %)
1856 AT+VER:  Get current image version and Frequency Band
1857
1858 (% _msthash="506103" _msttexthash="1189474" %)
1859 AT+CFM:  Get or Set the confirmation mode (0-1)
1860
1861 (% _msthash="506104" _msttexthash="1718210" %)
1862 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1863
1864 (% _msthash="506105" _msttexthash="1339403" %)
1865 AT+SNR:  Get the SNR of the last received packet
1866
1867 (% _msthash="506106" _msttexthash="1452009" %)
1868 AT+RSSI:  Get the RSSI of the last received packet
1869
1870 (% _msthash="506107" _msttexthash="2768142" %)
1871 AT+TDC:  Get or set the application data transmission interval in ms
1872
1873 (% _msthash="506108" _msttexthash="1083914" %)
1874 AT+PORT:  Get or set the application port
1875
1876 (% _msthash="506109" _msttexthash="622440" %)
1877 AT+DISAT:  Disable AT commands
1878
1879 (% _msthash="506110" _msttexthash="868361" %)
1880 AT+PWORD: Set password, max 9 digits
1881
1882 (% _msthash="506111" _msttexthash="2210299" %)
1883 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1884
1885 (% _msthash="506112" _msttexthash="2113462" %)
1886 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1887
1888 (% _msthash="506113" _msttexthash="2087423" %)
1889 AT+PDTA:  Print the sector data from start page to stop page
1890
1891 (% _msthash="506114" _msttexthash="1063127" %)
1892 AT+PLDTA:  Print the last few sets of data
1893
1894 (% _msthash="506115" _msttexthash="1999426" %)
1895 AT+CLRDTA:  Clear the storage, record position back to 1st
1896
1897 (% _msthash="506116" _msttexthash="442130" %)
1898 AT+SLEEP:  Set sleep mode
1899
1900 (% _msthash="506117" _msttexthash="1080222" %)
1901 AT+EXT:  Get or Set external sensor model
1902
1903 (% _msthash="506118" _msttexthash="1309490" %)
1904 AT+BAT:  Get the current battery voltage in mV
1905
1906 (% _msthash="506119" _msttexthash="813891" %)
1907 AT+CFG:  Print all configurations
1908
1909 (% _msthash="506120" _msttexthash="551707" %)
1910 AT+WMOD:  Get or Set Work Mode
1911
1912 (% _msthash="506121" _msttexthash="2631499" %)
1913 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1914
1915 (% _msthash="506122" _msttexthash="3907150" %)
1916 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1917
1918 (% _msthash="506123" _msttexthash="854620" %)
1919 AT+SETCNT:  Set the count at present
1920
1921 (% _msthash="506124" _msttexthash="2554877" %)
1922 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1923
1924 (% _msthash="506125" _msttexthash="771849" %)
1925 AT+RPL:  Get or set response level
1926
1927 (% _msthash="506126" _msttexthash="1484314" %)
1928 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1929
1930 (% _msthash="506127" _msttexthash="741728" %)
1931 AT+LEAPSEC:  Get or Set Leap Second
1932
1933 (% _msthash="506128" _msttexthash="1694017" %)
1934 AT+SYNCMOD:  Get or Set time synchronization method
1935
1936 (% _msthash="506129" _msttexthash="2235948" %)
1937 AT+SYNCTDC:  Get or set time synchronization interval in day
1938
1939 (% _msthash="506130" _msttexthash="425542" %)
1940 AT+PID:  Get or set the PID
1941
1942
1943 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1944
1945 (% _msthash="506131" _msttexthash="14585714" %)
1946 AT commands：
1947
1948 [[image:image-20220620153708-1.png||height="603" width="723"]]
1949
1950 (% _msthash="506132" _msttexthash="337922" %)
1951 Downlink commands:
1952
1953
1954 (% _msthash="506133" _msttexthash="33046" %)
1955 **TTN:**
1956
1957 [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1958
1959
1960 (% _msthash="506134" _msttexthash="11113791" %)
1961 **Helium：**
1962
1963 [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1964
1965
1966 (% _msthash="506135" _msttexthash="4159844" %)
1967 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1968
1969 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1970
1971 [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1972
1973
1974 (% _msthash="506136" _msttexthash="39286" %)
1975 **Aws:**
1976
1977 [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1978
1979
1980 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1981
1982 [[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"]]
1983
1984
1985 (% _msthash="536757" _msttexthash="1874951" %)
1986 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1987
1988 [[image:image-20220615153355-1.png]]
1989
1990 [[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1991
1992 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1993
1994 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1995
1996 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1997
1998
1999 To switch from download mode to command mode, press reset key
2000
2001
2002 (((
2003 (% _msthash="736728" _msttexthash="67213055" %)
2004 (((
2005 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.
2006 )))
2007 )))
2008
2009 (((
2010 (% _msthash="736729" _msttexthash="1907009" %)
2011 Input password and ATZ to activate LHT65N,As shown below:
2012
2013 [[image:image-20220615154519-3.png||height="672" width="807"]]
2014
2015
2016 )))
2017
2018 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
2019
2020
2021 [[image:image-20220615153355-1.png]]
2022
2023 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2024
2025 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2026
2027 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2028
2029 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2030
2031 [[image:image-20220620160241-6.jpeg||height="428" width="571"]]
2032
2033 Press reset after connecting the 4boot cable to enter the download mode.
2034
2035 [[image:image-20220620160516-7.png||height="435" width="435"]]
2036
2037
2038 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2039
2040 [[image:image-20220615170542-5.png]]
2041
2042
2043 (% _msthash="506146" _msttexthash="52173160" %)
2044 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2045
2046
2047 (% _msthash="506147" _msttexthash="188083584" %)
2048 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2049
2050 [[image:image-20220615171334-6.png]]
2051
2052
2053 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2054
2055 [[image:image-20220620160723-8.png]]
2056
2057
2058 )))
2059
2060 (% _mstvisible="1" %)
2061 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2062
2063 (% _mstvisible="1" %)
2064 (((
2065 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2066 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2067 )))
2068
2069 (% _mstvisible="1" %)
2070 (((
2071 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2072 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2073 )))
2074
2075 (% _mstvisible="1" %)
2076 * (% _mstvisible="3" %)
2077 (((
2078 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2079 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2080 )))
2081 * (% _mstvisible="3" %)
2082 (((
2083 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2084 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2085 )))
2086 * (% _mstvisible="3" %)
2087 (((
2088 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2089 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2090 )))
2091 * (% _mstvisible="3" %)
2092 (((
2093 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2094 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2095 )))
2096 * (% _mstvisible="3" %)
2097 (((
2098 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2099 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2100 )))
2101 * (% _mstvisible="3" %)
2102 (((
2103 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2104 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2105 )))
2106 * (% _mstvisible="3" %)
2107 (((
2108 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2109 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2110 )))
2111 * (% _mstvisible="3" %)
2112 (((
2113 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2114 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2115 )))
2116
2117 (% _mstvisible="1" %)
2118 (((
2119 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2120 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2121 )))
2122
2123 (% _mstvisible="1" %)
2124 * (% _mstvisible="3" %)
2125 (((
2126 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2127 (% style="color:red" %)**E3**(%%): External Temperature Probe
2128
2129
2130 )))
2131
2132 (% _mstvisible="1" %)
2133 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2134
2135 (% _mstvisible="1" %)
2136 (((
2137 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2138
2139
2140 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2141 (% _mstvisible="3" %)**Package Includes**(%%):
2142 )))
2143
2144 (% _mstvisible="1" %)
2145 * (% _mstvisible="3" %)
2146 (((
2147 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2148 LHT65N Temperature & Humidity Sensor x 1
2149 )))
2150 * (% _mstvisible="3" %)
2151 (((
2152 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2153 Optional external sensor
2154 )))
2155
2156 (% _mstvisible="1" %)
2157 (((
2158 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2159 (% _mstvisible="3" %)**Dimension and weight**(%%):
2160 )))
2161
2162 (% _mstvisible="1" %)
2163 * (% _mstvisible="3" %)
2164 (((
2165 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2166 Device Size:  10 x 10 x 3.5 cm
2167 )))
2168 * (% _mstvisible="3" %)
2169 (((
2170 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2171 Device Weight: 120.5g
2172 )))
2173
2174 (% _mstvisible="3" %)
2175 (((
2176
2177 )))
2178
2179 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2180
2181 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2182
2183
2184
2185
2186 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2187
2188 (% _mstvisible="1" %)
2189 (((
2190 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2191 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2192 )))
2193
2194 (% _mstvisible="1" %)
2195 (((
2196 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2197 (1) This device may not cause harmful interference；
2198 )))
2199
2200 (% _mstvisible="1" %)
2201 (((
2202 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2203 (2) this device must accept any interference received, including interference that may cause undesired operation.
2204 )))