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Version 166.7 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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55 (% _mstvisible="1" %)
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 )))
153
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 (% _mstvisible="1" style="text-align: left;" %)
1195 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1196
1197 (% _mstvisible="1" %)
1198 (((
1199 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1200 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1201 )))
1202
1203 (% _mstvisible="1" %)
1204 * (% _mstvisible="3" %)
1205 (((
1206 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1207 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1208 )))
1209 * (% _mstvisible="3" %)
1210 (((
1211 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1212 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1213 )))
1214
1215 (% _mstvisible="1" %)
1216 (((
1217 (% _mstvisible="2" style="text-align: left;" %)
1218
1219 )))
1220
1221 (% _mstvisible="1" %)
1222 (((
1223 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1224 There are two kinds of commands to configure LHT65N, they are:
1225 )))
1226
1227 (% _mstvisible="1" %)
1228 (((
1229 (% _mstvisible="2" style="text-align: left;" %)
1230 (% _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" %).
1231 )))
1232
1233 (% _mstvisible="1" %)
1234 (((
1235 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1236 These commands are to configure:
1237 )))
1238
1239 (% _mstvisible="1" %)
1240 * (% _mstvisible="3" %)
1241 (((
1242 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1243 General system settings like: uplink interval.
1244 )))
1245 * (% _mstvisible="3" %)
1246 (((
1247 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1248 LoRaWAN protocol & radio-related commands.
1249 )))
1250
1251 (% _mstvisible="1" %)
1252 (((
1253 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1254 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]]
1255 )))
1256
1257 (% _mstvisible="1" %)
1258 (((
1259 (% _mstvisible="2" style="text-align: left;" %)
1260
1261 )))
1262
1263 (% _mstvisible="1" %)
1264 (((
1265 (% _mstvisible="2" style="text-align: left;" %)
1266 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1267 )))
1268
1269 (% _mstvisible="1" %)
1270 (((
1271 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1272 These commands are only valid for LHT65N, as below:
1273
1274
1275 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1276
1277 )))
1278
1279 (% _mstvisible="1" style="text-align: left;" %)
1280 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1281
1282 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1283 Feature: Change LoRaWAN End Node Transmit Interval.
1284
1285 (% _mstvisible="1" style="text-align: left;" %)
1286 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1287
1288 (% _mstvisible="1" %)
1289 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1290
1291 (% _mstvisible="1" %)
1292 (((
1293 (% _mstvisible="2" style="text-align: left;" %)
1294
1295
1296 (% _mstvisible="2" style="text-align: left;" %)
1297 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1298 )))
1299
1300 (% _mstvisible="1" %)
1301 (((
1302 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1303 Format: Command Code (0x01) followed by 3 bytes time value.
1304 )))
1305
1306 (% _mstvisible="1" %)
1307 (((
1308 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1309 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1310 )))
1311
1312 (% _mstvisible="1" %)
1313 * (% _mstvisible="3" %)
1314 (((
1315 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1316 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1317 )))
1318 * (% _mstvisible="3" %)
1319 (((
1320 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1321 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1322
1323
1324 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1325
1326 )))
1327
1328 (% _mstvisible="1" style="text-align: left;" %)
1329 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1330
1331 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1332 Feature: Change External Sensor Mode.
1333
1334 (% _mstvisible="1" style="text-align: left;" %)
1335 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1336
1337 (% _mstvisible="1" %)
1338 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1339
1340 (% _mstvisible="1" %)
1341 (((
1342 (% _mstvisible="2" style="text-align: left;" %)
1343
1344
1345 (% _mstvisible="2" style="text-align: left;" %)
1346 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1347 )))
1348
1349 (% _mstvisible="1" %)
1350 (((
1351 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1352 Total bytes: 2 ~~ 5 bytes
1353 )))
1354
1355 (% _mstvisible="1" %)
1356 (((
1357 (% _mstvisible="2" %)
1358 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1359 )))
1360
1361 (% _mstvisible="1" %)
1362 * (% _mstvisible="3" %)
1363 (((
1364 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1365 0xA201: Set external sensor type to E1
1366 )))
1367 * (% _mstvisible="3" %)
1368 (((
1369 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1370 0xA209: Same as AT+EXT=9
1371 )))
1372 * (% _mstvisible="3" %)
1373 (((
1374 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1375 0xA20702003c,Same as AT+SETCNT=60
1376
1377
1378 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1379
1380 )))
1381
1382 (% _mstvisible="1" style="text-align: left;" %)
1383 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1384
1385 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1386 Feature: If PID is enabled, device will send the temperature probe ID on:
1387
1388 (% _mstvisible="1" %)
1389 * First Packet after OTAA Join
1390 * Every 24 hours since the first packet.
1391
1392 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1393 PID is default set to disable (0)
1394
1395 (% _mstvisible="1" style="text-align: left;" %)
1396 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1397
1398 (% _mstvisible="1" %)
1399 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1400
1401
1402 (% _mstvisible="1" style="text-align: left;" %)
1403 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1404
1405 (% _mstvisible="1" %)
1406 * 0xA800  **~-~->** AT+PID=0
1407 * 0xA801     **~-~->** AT+PID=1
1408
1409 (% _mstvisible="1" style="text-align: left;" %)
1410 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1411
1412 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1413 Feature: Set device password, max 9 digits
1414
1415 (% _mstvisible="1" style="text-align: left;" %)
1416 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1417
1418 (% _mstvisible="1" %)
1419 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1420
1421 (% _mstvisible="1" %)
1422 (((
1423 (% _mstvisible="2" style="text-align: left;" %)
1424
1425
1426 (% _mstvisible="2" style="text-align: left;" %)
1427 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1428 )))
1429
1430 (% _mstvisible="1" %)
1431 (((
1432 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1433 No downlink command for this feature.
1434
1435 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1436
1437 )))
1438
1439 (% _mstvisible="1" style="text-align: left;" %)
1440 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1441
1442 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1443 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1444
1445 (% _mstvisible="1" style="text-align: left;" %)
1446 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1447
1448 (% _mstvisible="1" %)
1449 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1450
1451
1452 (% _mstvisible="1" style="text-align: left;" %)
1453 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1454
1455 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1456 No downlink command for this feature.
1457
1458
1459 (% _mstvisible="1" style="text-align: left;" %)
1460 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1461
1462 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1463 Feature: Set device to sleep mode
1464
1465 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1466 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1467
1468 (% _mstvisible="1" style="text-align: left;" %)
1469 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1470
1471 (% _mstvisible="1" %)
1472 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1473
1474
1475 (% _mstvisible="1" %)
1476 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1477
1478 (% _mstvisible="1" %)
1479 * There is no downlink command to set to Sleep mode.
1480
1481
1482
1483
1484 (% _mstvisible="1" %)
1485 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1486
1487 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1488 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1489
1490 (% _mstvisible="1" %)
1491 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1492
1493 (% _mstvisible="1" %)
1494 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1495
1496
1497 (% _mstvisible="1" %)
1498 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1499
1500 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1501 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1502
1503
1504 (% _mstvisible="1" %)
1505 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1506
1507 (% _mstvisible="1" %)
1508 (((
1509 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1510 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1511 )))
1512
1513 (% _mstvisible="1" %)
1514 (((
1515 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1516 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.
1517 )))
1518
1519 (% _mstvisible="1" %)
1520 (((
1521 (% _mstvisible="2" %)
1522 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1523 )))
1524
1525 (% _mstvisible="1" %)
1526 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1527
1528
1529 (% _mstvisible="1" %)
1530 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1531
1532 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1533 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1534
1535 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1536 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1537
1538
1539 (% _mstvisible="1" %)
1540 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1541
1542 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1543 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1544
1545 (% _mstvisible="1" %)
1546 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1547
1548 (% _mstvisible="1" %)
1549 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1550
1551
1552 (% _mstvisible="1" %)
1553 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1554
1555 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1556 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1557
1558
1559 (% _mstvisible="1" %)
1560 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1561
1562 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1563 Feature: Print the sector data from start page to stop page (max is 416 pages).
1564
1565 (% _mstvisible="1" %)
1566 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1567
1568 (% _mstvisible="1" %)
1569 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1570
1571
1572 (% _mstvisible="1" %)
1573 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1574
1575 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1576 No downlink commands for feature
1577
1578
1579 (% _mstvisible="1" %)
1580 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1581
1582 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1583 Feature: Print the last few data entries
1584
1585 (% _mstvisible="1" %)
1586 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1587
1588 (% _mstvisible="1" %)
1589 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1590
1591
1592 (% _mstvisible="1" %)
1593 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1594
1595 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1596 No downlink commands for feature
1597
1598
1599 (% _mstvisible="1" %)
1600 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1601
1602 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1603 Feature: Clear flash storage for data log feature.
1604
1605 (% _mstvisible="1" %)
1606 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1607
1608 (% _mstvisible="1" %)
1609 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1610
1611
1612 (% _mstvisible="1" %)
1613 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1614
1615 (% _mstvisible="1" %)
1616 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1617
1618
1619
1620
1621 (% _mstvisible="1" %)
1622 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1623
1624 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1625 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.
1626
1627
1628 (% _mstvisible="1" %)
1629 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1630
1631 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1632 The default factory setting is 0
1633
1634 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1635 (% _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**
1636 (% _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
1637
1638 (% _mstvisible="1" %)
1639 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1640
1641 (% _mstvisible="1" %)
1642 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1643
1644
1645
1646
1647 (% _mstvisible="1" %)
1648 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1649
1650 (% _mstvisible="1" %)
1651 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1652
1653 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1654 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.
1655
1656 (% _mstvisible="1" %)
1657 (((
1658 (% _mstvisible="2" %)
1659 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1660 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1661 )))
1662
1663 (% _mstvisible="1" %)
1664 (((
1665 (% _mstvisible="2" %)
1666 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1667
1668 )))
1669
1670 (% _mstvisible="1" %)
1671 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1672
1673 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1674 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.
1675
1676 (% _mstvisible="1" %)
1677 [[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"]]
1678
1679
1680 (% _mstvisible="1" %)
1681 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1682
1683 (% _mstvisible="1" %)
1684 (((
1685 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1686 (((
1687 (% _msthash="736723" _msttexthash="35479028" %)
1688 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:
1689 [[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]]
1690 )))
1691
1692 (((
1693
1694 )))
1695
1696 (((
1697 (% _msthash="736724" _msttexthash="12045098" %)
1698 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]]
1699 )))
1700
1701
1702 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1703 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1704
1705 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1706 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1707
1708 (((
1709 (% _msthash="736725" _msttexthash="9345674" %)
1710 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.
1711 )))
1712
1713 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1714
1715
1716 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1717
1718 (% _msthash="506062" _msttexthash="1187732" %)
1719 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1720
1721 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1722
1723 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1724
1725 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1726
1727
1728 (((
1729 (% _msthash="736726" _msttexthash="67213055" %)
1730 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.
1731 )))
1732
1733 (((
1734 (% _msthash="736727" _msttexthash="1907009" %)
1735 Input password and ATZ to activate LHT65N,As shown below:
1736 )))
1737
1738 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1739
1740
1741 (% _msthash="506066" _msttexthash="544869" %)
1742 AT Command List is as below:
1743
1744 (% _msthash="506067" _msttexthash="361920" %)
1745 AT+<CMD>? :  Help on <CMD>
1746
1747 (% _msthash="506068" _msttexthash="243061" %)
1748 AT+<CMD> :  Run <CMD>
1749
1750 (% _msthash="506069" _msttexthash="704197" %)
1751 AT+<CMD>=<value> :  Set the value
1752
1753 (% _msthash="506070" _msttexthash="455676" %)
1754 AT+<CMD>=? :  Get the value
1755
1756 (% _msthash="506071" _msttexthash="670553" %)
1757 AT+DEBUG:  Set more info output
1758
1759 (% _msthash="506072" _msttexthash="485888" %)
1760 ATZ:  Trig a reset of the MCU
1761
1762 (% _msthash="506073" _msttexthash="2068872" %)
1763 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1764
1765 (% _msthash="506074" _msttexthash="689169" %)
1766 AT+DEUI:  Get or Set the Device EUI
1767
1768 (% _msthash="506075" _msttexthash="960414" %)
1769 AT+DADDR:  Get or Set the Device Address
1770
1771 (% _msthash="506076" _msttexthash="1079897" %)
1772 AT+APPKEY:  Get or Set the Application Key
1773
1774 (% _msthash="506077" _msttexthash="1326143" %)
1775 AT+NWKSKEY:  Get or Set the Network Session Key
1776
1777 (% _msthash="506078" _msttexthash="1573000" %)
1778 AT+APPSKEY:  Get or Set the Application Session Key
1779
1780 (% _msthash="506079" _msttexthash="1041729" %)
1781 AT+APPEUI:  Get or Set the Application EUI
1782
1783 (% _msthash="506080" _msttexthash="2104206" %)
1784 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1785
1786 (% _msthash="506081" _msttexthash="3369288" %)
1787 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1788
1789 (% _msthash="506082" _msttexthash="1894529" %)
1790 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1791
1792 (% _msthash="506083" _msttexthash="3864172" %)
1793 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1794
1795 (% _msthash="506084" _msttexthash="1712204" %)
1796 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1797
1798 (% _msthash="506085" _msttexthash="1281202" %)
1799 AT+RX2FQ:  Get or Set the Rx2 window frequency
1800
1801 (% _msthash="506086" _msttexthash="2796781" %)
1802 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1803
1804 (% _msthash="506087" _msttexthash="3285165" %)
1805 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1806
1807 (% _msthash="506088" _msttexthash="3286179" %)
1808 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1809
1810 (% _msthash="506089" _msttexthash="4703803" %)
1811 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1812
1813 (% _msthash="506090" _msttexthash="4704999" %)
1814 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1815
1816 (% _msthash="506091" _msttexthash="1528683" %)
1817 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1818
1819 (% _msthash="506092" _msttexthash="757185" %)
1820 AT+NWKID:  Get or Set the Network ID
1821
1822 (% _msthash="506093" _msttexthash="1156597" %)
1823 AT+FCU:  Get or Set the Frame Counter Uplink
1824
1825 (% _msthash="506094" _msttexthash="1273987" %)
1826 AT+FCD:  Get or Set the Frame Counter Downlink
1827
1828 (% _msthash="506095" _msttexthash="859222" %)
1829 AT+CLASS:  Get or Set the Device Class
1830
1831 (% _msthash="506096" _msttexthash="384852" %)
1832 AT+JOIN:  Join network
1833
1834 (% _msthash="506097" _msttexthash="548626" %)
1835 AT+NJS:  Get the join status
1836
1837 (% _msthash="506098" _msttexthash="2546206" %)
1838 AT+SENDB:  Send hexadecimal data along with the application port
1839
1840 (% _msthash="506099" _msttexthash="1932307" %)
1841 AT+SEND:  Send text data along with the application port
1842
1843 (% _msthash="506100" _msttexthash="3560557" %)
1844 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1845
1846 (% _msthash="506101" _msttexthash="1429701" %)
1847 AT+RECV:  Print last received data in raw format
1848
1849 (% _msthash="506102" _msttexthash="1735981" %)
1850 AT+VER:  Get current image version and Frequency Band
1851
1852 (% _msthash="506103" _msttexthash="1189474" %)
1853 AT+CFM:  Get or Set the confirmation mode (0-1)
1854
1855 (% _msthash="506104" _msttexthash="1718210" %)
1856 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1857
1858 (% _msthash="506105" _msttexthash="1339403" %)
1859 AT+SNR:  Get the SNR of the last received packet
1860
1861 (% _msthash="506106" _msttexthash="1452009" %)
1862 AT+RSSI:  Get the RSSI of the last received packet
1863
1864 (% _msthash="506107" _msttexthash="2768142" %)
1865 AT+TDC:  Get or set the application data transmission interval in ms
1866
1867 (% _msthash="506108" _msttexthash="1083914" %)
1868 AT+PORT:  Get or set the application port
1869
1870 (% _msthash="506109" _msttexthash="622440" %)
1871 AT+DISAT:  Disable AT commands
1872
1873 (% _msthash="506110" _msttexthash="868361" %)
1874 AT+PWORD: Set password, max 9 digits
1875
1876 (% _msthash="506111" _msttexthash="2210299" %)
1877 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1878
1879 (% _msthash="506112" _msttexthash="2113462" %)
1880 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1881
1882 (% _msthash="506113" _msttexthash="2087423" %)
1883 AT+PDTA:  Print the sector data from start page to stop page
1884
1885 (% _msthash="506114" _msttexthash="1063127" %)
1886 AT+PLDTA:  Print the last few sets of data
1887
1888 (% _msthash="506115" _msttexthash="1999426" %)
1889 AT+CLRDTA:  Clear the storage, record position back to 1st
1890
1891 (% _msthash="506116" _msttexthash="442130" %)
1892 AT+SLEEP:  Set sleep mode
1893
1894 (% _msthash="506117" _msttexthash="1080222" %)
1895 AT+EXT:  Get or Set external sensor model
1896
1897 (% _msthash="506118" _msttexthash="1309490" %)
1898 AT+BAT:  Get the current battery voltage in mV
1899
1900 (% _msthash="506119" _msttexthash="813891" %)
1901 AT+CFG:  Print all configurations
1902
1903 (% _msthash="506120" _msttexthash="551707" %)
1904 AT+WMOD:  Get or Set Work Mode
1905
1906 (% _msthash="506121" _msttexthash="2631499" %)
1907 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1908
1909 (% _msthash="506122" _msttexthash="3907150" %)
1910 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1911
1912 (% _msthash="506123" _msttexthash="854620" %)
1913 AT+SETCNT:  Set the count at present
1914
1915 (% _msthash="506124" _msttexthash="2554877" %)
1916 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1917
1918 (% _msthash="506125" _msttexthash="771849" %)
1919 AT+RPL:  Get or set response level
1920
1921 (% _msthash="506126" _msttexthash="1484314" %)
1922 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1923
1924 (% _msthash="506127" _msttexthash="741728" %)
1925 AT+LEAPSEC:  Get or Set Leap Second
1926
1927 (% _msthash="506128" _msttexthash="1694017" %)
1928 AT+SYNCMOD:  Get or Set time synchronization method
1929
1930 (% _msthash="506129" _msttexthash="2235948" %)
1931 AT+SYNCTDC:  Get or set time synchronization interval in day
1932
1933 (% _msthash="506130" _msttexthash="425542" %)
1934 AT+PID:  Get or set the PID
1935
1936
1937 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1938
1939 (% _msthash="506131" _msttexthash="14585714" %)
1940 AT commands：
1941
1942 [[image:image-20220620153708-1.png||height="603" width="723"]]
1943
1944 (% _msthash="506132" _msttexthash="337922" %)
1945 Downlink commands:
1946
1947
1948 (% _msthash="506133" _msttexthash="33046" %)
1949 **TTN:**
1950
1951 [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1952
1953
1954 (% _msthash="506134" _msttexthash="11113791" %)
1955 **Helium：**
1956
1957 [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1958
1959
1960 (% _msthash="506135" _msttexthash="4159844" %)
1961 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1962
1963 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1964
1965 [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1966
1967
1968 (% _msthash="506136" _msttexthash="39286" %)
1969 **Aws:**
1970
1971 [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1972
1973
1974 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1975
1976 [[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"]]
1977
1978
1979 (% _msthash="536757" _msttexthash="1874951" %)
1980 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1981
1982 [[image:image-20220615153355-1.png]]
1983
1984 [[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1985
1986 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1987
1988 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1989
1990 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1991
1992
1993 To switch from download mode to command mode, press reset key
1994
1995
1996 (((
1997 (% _msthash="736728" _msttexthash="67213055" %)
1998 (((
1999 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.
2000 )))
2001 )))
2002
2003 (((
2004 (% _msthash="736729" _msttexthash="1907009" %)
2005 Input password and ATZ to activate LHT65N,As shown below:
2006
2007 [[image:image-20220615154519-3.png||height="672" width="807"]]
2008
2009
2010 )))
2011
2012 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
2013
2014
2015 [[image:image-20220615153355-1.png]]
2016
2017 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2018
2019 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2020
2021 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2022
2023 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2024
2025 [[image:image-20220620160241-6.jpeg||height="428" width="571"]]
2026
2027 Press reset after connecting the 4boot cable to enter the download mode.
2028
2029 [[image:image-20220620160516-7.png||height="435" width="435"]]
2030
2031
2032 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2033
2034 [[image:image-20220615170542-5.png]]
2035
2036
2037 (% _msthash="506146" _msttexthash="52173160" %)
2038 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2039
2040
2041 (% _msthash="506147" _msttexthash="188083584" %)
2042 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2043
2044 [[image:image-20220615171334-6.png]]
2045
2046
2047 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2048
2049 [[image:image-20220620160723-8.png]]
2050
2051
2052 )))
2053
2054 (% _mstvisible="1" %)
2055 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2056
2057 (% _mstvisible="1" %)
2058 (((
2059 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2060 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2061 )))
2062
2063 (% _mstvisible="1" %)
2064 (((
2065 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2066 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2067 )))
2068
2069 (% _mstvisible="1" %)
2070 * (% _mstvisible="3" %)
2071 (((
2072 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2073 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2074 )))
2075 * (% _mstvisible="3" %)
2076 (((
2077 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2078 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2079 )))
2080 * (% _mstvisible="3" %)
2081 (((
2082 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2083 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2084 )))
2085 * (% _mstvisible="3" %)
2086 (((
2087 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2088 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2089 )))
2090 * (% _mstvisible="3" %)
2091 (((
2092 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2093 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2094 )))
2095 * (% _mstvisible="3" %)
2096 (((
2097 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2098 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2099 )))
2100 * (% _mstvisible="3" %)
2101 (((
2102 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2103 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2104 )))
2105 * (% _mstvisible="3" %)
2106 (((
2107 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2108 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2109 )))
2110
2111 (% _mstvisible="1" %)
2112 (((
2113 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2114 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2115 )))
2116
2117 (% _mstvisible="1" %)
2118 * (% _mstvisible="3" %)
2119 (((
2120 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2121 (% style="color:red" %)**E3**(%%): External Temperature Probe
2122
2123
2124 )))
2125
2126 (% _mstvisible="1" %)
2127 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2128
2129 (% _mstvisible="1" %)
2130 (((
2131 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2132
2133
2134 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2135 (% _mstvisible="3" %)**Package Includes**(%%):
2136 )))
2137
2138 (% _mstvisible="1" %)
2139 * (% _mstvisible="3" %)
2140 (((
2141 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2142 LHT65N Temperature & Humidity Sensor x 1
2143 )))
2144 * (% _mstvisible="3" %)
2145 (((
2146 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2147 Optional external sensor
2148 )))
2149
2150 (% _mstvisible="1" %)
2151 (((
2152 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2153 (% _mstvisible="3" %)**Dimension and weight**(%%):
2154 )))
2155
2156 (% _mstvisible="1" %)
2157 * (% _mstvisible="3" %)
2158 (((
2159 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2160 Device Size:  10 x 10 x 3.5 cm
2161 )))
2162 * (% _mstvisible="3" %)
2163 (((
2164 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2165 Device Weight: 120.5g
2166 )))
2167
2168 (% _mstvisible="3" %)
2169 (((
2170
2171 )))
2172
2173 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2174
2175 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2176
2177
2178
2179
2180 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2181
2182 (% _mstvisible="1" %)
2183 (((
2184 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2185 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2186 )))
2187
2188 (% _mstvisible="1" %)
2189 (((
2190 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2191 (1) This device may not cause harmful interference；
2192 )))
2193
2194 (% _mstvisible="1" %)
2195 (((
2196 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2197 (2) this device must accept any interference received, including interference that may cause undesired operation.
2198 )))