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Version 169.2 by Xiaoling on 2022/06/21 17:15
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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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37 (% _mstvisible="1" %)
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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82 (% _mstvisible="1" %)
83 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
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86 (((
87 (% _mstvisible="2" %)
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91 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
92 )))
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94 (% _mstvisible="1" %)
95 * (% _mstvisible="3" %)
96 (((
97 (% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
98 Resolution: 0.01 °C
99 )))
100 * (% _mstvisible="3" %)
101 (((
102 (% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
103 Accuracy Tolerance : Typ ±0.3 °C
104 )))
105 * (% _mstvisible="3" %)
106 (((
107 (% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
108 Long Term Drift: < 0.02 °C/yr
109 )))
110 * (% _mstvisible="3" %)
111 (((
112 (% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
113 Operating Range: -40 ~~ 85 °C
114 )))
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116 (% _mstvisible="1" %)
117 (((
118 (% _mstvisible="2" %)
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121 (% _mstvisible="2" %)
122 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
123 )))
124
125 (% _mstvisible="1" %)
126 * (% _mstvisible="3" %)
127 (((
128 (% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
129 Resolution: 0.04 %RH
130 )))
131 * (% _mstvisible="3" %)
132 (((
133 (% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
134 Accuracy Tolerance : Typ ±3 %RH
135 )))
136 * (% _mstvisible="3" %)
137 (((
138 (% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
139 Long Term Drift: < 0.02 °C/yr
140 )))
141 * (% _mstvisible="3" %)
142 (((
143 (% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
144 Operating Range: 0 ~~ 96 %RH
145 )))
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147 (% _mstvisible="1" %)
148 (((
149 (% _mstvisible="2" %)
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153 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
154 )))
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156 (% _mstvisible="1" %)
157 * (% _mstvisible="3" %)
158 (((
159 (% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
160 Resolution: 0.0625 °C
161 )))
162 * (% _mstvisible="3" %)
163 (((
164 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
165 ±0.5°C accuracy from -10°C to +85°C
166 )))
167 * (% _mstvisible="3" %)
168 (((
169 (% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
170 ±2°C accuracy from -55°C to +125°C
171 )))
172 * (% _mstvisible="3" %)
173 (((
174 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
175 Operating Range: -55 °C ~~ 125 °C
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178 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
179
180 )))
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182 (% _mstvisible="1" %)
183 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
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185 (% _mstvisible="1" %)
186 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
187
188 (% _mstvisible="1" %)
189 (((
190 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
191 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.
192 )))
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194 (% _mstvisible="1" %)
195 (((
196 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
197 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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199 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
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201 )))
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203 (% _mstvisible="1" %)
204 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
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206 (% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
207 The LHT65N has two working modes:
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209 (% _mstvisible="1" %)
210 * (% 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.
211 * (% 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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213 (% _mstvisible="1" %)
214 (((
215 (% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
216 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
217 )))
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219 (% _mstvisible="1" %)
220 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
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222 (% _mstvisible="1" %)
223 [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
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226 (% _mstvisible="1" %)
227 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
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229 (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
230 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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232 (% _mstvisible="1" class="wikigeneratedid" %)
233 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
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235 (% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
236 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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239 (% _mstvisible="1" %)
240 === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
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242 (% _msthash="315242" _msttexthash="1601782" _mstvisible="1" %)
243 Create a device in TTN V3 with the OTAA keys from LHT65N.
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245 (% _msthash="315243" _msttexthash="3694444" _mstvisible="1" %)
246 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
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248 (% _mstvisible="1" %)
249 [[image:image-20220617150003-1.jpeg]]
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251 (% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
252 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
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254 (% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
255 Add APP EUI in the application.
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257 (% _mstvisible="1" %)
258 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
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260 (% _mstvisible="1" %)
261 [[image:image-20220522232932-4.png||_mstalt="430157" _mstvisible="3"]]
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263 (% _mstvisible="1" %)
264 [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
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266 (% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
267 Note: LHT65N use same payload as LHT65.
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269 (% _mstvisible="1" %)
270 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
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273 (% _msthash="315247" _msttexthash="595543" _mstvisible="1" %)
274 Input APP EUI,  APP KEY and DEV EUI:
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276 (% _mstvisible="1" %)
277 [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
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281 (% _mstvisible="1" %)
282 === (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
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284 (% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
285 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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287 (% _mstvisible="1" %)
288 [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
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292 (% _mstvisible="1" %)
293 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
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295 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
296 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.
297
298 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
299 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
300
301 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
302 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
303 (((
304 (% _mstvisible="6" %)
305 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
306 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
307 (((
308 (% _mstvisible="6" %)
309 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
310 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
311 (((
312 (% _mstvisible="6" %)
313 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
314 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
315 (((
316 (% _mstvisible="6" %)
317 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
318 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
319 (((
320 (% _mstvisible="6" %)
321 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
322 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
323 (((
324 (% _mstvisible="6" %)
325 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
326 )))
327 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
328 (((
329 (% _mstvisible="6" %)
330 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
331 )))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
332 (((
333 (% _mstvisible="6" %)
334 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
335 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
336 (((
337 (% _mstvisible="6" %)
338 (((
339 (% _mstvisible="7" %)
340 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
341 )))
342 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
343 (((
344 (% _mstvisible="6" %)
345 (((
346 (% _mstvisible="7" %)
347 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
348 )))
349
350 (% _mstvisible="6" %)
351 (((
352 (% _mstvisible="7" %)
353 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
354 )))
355 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
356 (((
357 (% _mstvisible="6" %)
358 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
359 )))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
360 (((
361 (% _mstvisible="6" %)
362 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
363 )))
364
365 (% _mstvisible="1" %)
366 * The First 6 bytes: has fix meanings for every LHT65N.
367 * The 7th byte (EXT #): defines the external sensor model.
368 * 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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372 (% _mstvisible="1" %)
373 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
374
375 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
376 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.
377
378 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
379 Below is the position to put the decoder and LHT65N decoder can be download from here:
380
381 (% _mstvisible="1" %)
382 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
383
384 (% _mstvisible="1" %)
385 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
386
387
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389 (% _mstvisible="1" %)
390 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
391
392 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
393 These two bytes of BAT include the battery state and the actually voltage
394
395 (% _mstvisible="1" %)
396 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
397
398 (% _mstvisible="1" %)
399 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
400
401 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
402 Check the battery voltage for LHT65N.
403
404 (% _mstvisible="1" %)
405 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
406 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
407
408
409
410 (% _mstvisible="1" %)
411 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
412
413 (% _mstvisible="1" %)
414 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
415
416 (% _mstvisible="1" %)
417 * Temperature:  0x0ABB/100=27.47℃
418
419 (% _mstvisible="1" %)
420 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
421
422 (% _mstvisible="1" %)
423 * Temperature:  (0xF5C6-65536)/100=-26.18℃
424
425
426
427 (% _mstvisible="1" %)
428 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
429
430 (% _mstvisible="1" %)
431 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
432
433 (% _mstvisible="1" %)
434 * Humidity:    0x025C/10=60.4%
435
436
437
438 (% _mstvisible="1" %)
439 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
440
441 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
442 Bytes for External Sensor:
443
444 (% _mstvisible="1" %)
445 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
446
447
448 (% _mstvisible="1" %)
449 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
450
451 (% _mstvisible="1" %)
452 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
453
454 (% _mstvisible="1" %)
455 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
456
457
458 (% _mstvisible="1" %)
459 * DS18B20 temp=0x0ADD/100=27.81℃
460
461 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
462 The last 2 bytes of data are meaningless
463
464 (% _mstvisible="1" %)
465 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
466
467
468 (% _mstvisible="1" %)
469 * External temperature= (0xF54F-65536)/100=-27.37℃
470
471 (% _mstvisible="1" %)
472 (((
473 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
474 The last 2 bytes of data are meaningless
475 )))
476
477 (% _mstvisible="1" %)
478 (((
479 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
480 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
481 )))
482
483
484 (% _mstvisible="1" %)
485 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
486
487 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
488 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:
489
490 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
491 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
492 (((
493 (% _mstvisible="6" %)
494 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
495 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
496 (((
497 (% _mstvisible="6" %)
498 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
499 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
500 (((
501 (% _mstvisible="6" %)
502 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
503 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
504 (((
505 (% _mstvisible="6" %)
506 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
507 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
508 (((
509 (% _mstvisible="6" %)
510 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
511 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
512 (((
513 (% _mstvisible="6" %)
514 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
515 )))
516 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
517 (((
518 (% _mstvisible="6" %)
519 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
520 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
521 (((
522 (% _mstvisible="6" %)
523 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
524 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
525 (((
526 (% _mstvisible="6" %)
527 (((
528 (% _mstvisible="7" %)
529 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
530 )))
531
532 (% _mstvisible="6" %)
533 (((
534 (% _mstvisible="7" %)
535 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
536 )))
537 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
538 (((
539 (% _mstvisible="6" %)
540 (((
541 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
542 BAT Status &
543 )))
544
545 (% _mstvisible="6" %)
546 (((
547 (% _mstvisible="7" %)
548 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
549 )))
550 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
551 (((
552 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
553 Status & Ext
554 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
555 (((
556 (% _mstvisible="6" %)
557 (((
558 (% _mstvisible="7" %)
559 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
560 )))
561 )))
562
563 (% _mstvisible="1" %)
564 * (% _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**
565
566 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
567 (% _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]
568 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
569 (((
570 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
571 BAT Status
572
573 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
574 00(b): Ultra Low ( BAT <= 2.50v)
575
576 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
577 01(b): Low  (2.50v <=BAT <= 2.55v)
578
579 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
580 10(b): OK   (2.55v <= BAT <=2.65v)
581
582 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
583 11(b): Good   (BAT >= 2.65v)
584 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
585 (((
586 (% _mstvisible="6" %)
587 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
588
589 (% _mstvisible="6" %)
590
591 )))
592
593 (% _mstvisible="1" %)
594 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
595
596 (% _mstvisible="1" %)
597 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
598
599 (% _mstvisible="1" %)
600 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
601 * 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.
602 * 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)
603
604
605
606 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
607
608 In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
609
610 be used to power the external ADC sensor; user can control the power on time for this
611
612 sensor by setting:
613
614 AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
615
616
617
618 (% _mstvisible="1" %)
619 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
620
621 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
622 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:
623
624 (% _mstvisible="1" %)
625 (((
626 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
627 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
628 )))
629
630 (% _mstvisible="1" %)
631 (((
632 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
633 (% _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.
634 )))
635
636 (% _mstvisible="1" %)
637 (((
638 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
639 Add Datacake:
640 )))
641
642 (% _mstvisible="1" %)
643 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
644
645
646 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
647 Select default key as Access Key:
648
649 (% _mstvisible="1" %)
650 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
651
652 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
653 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
654
655 (% _mstvisible="1" %)
656 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
657
658 (% _mstvisible="1" %)
659 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
660
661
662
663 (% _mstvisible="1" %)
664 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
665
666 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
667 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.
668
669
670 (% _mstvisible="1" %)
671 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
672
673 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
674 There are two methods:
675
676 (% _mstvisible="1" %)
677 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
678 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.
679
680
681
682 (% _mstvisible="1" %)
683 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
684
685 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
686 LHT65N uses Unix TimeStamp format based on
687
688 (% _mstvisible="1" %)
689 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
690
691
692 (% _mstvisible="1" %)
693 (((
694 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
695 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
696 )))
697
698 (% _mstvisible="1" %)
699 (((
700 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
701 Below is the converter example
702 )))
703
704 (% _mstvisible="1" %)
705 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
706
707 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
708 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
709
710
711 (% _mstvisible="1" %)
712 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
713
714 (% _mstvisible="1" %)
715 (((
716 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
717 There are two ways to set device’s time:
718 )))
719
720 (% _mstvisible="1" %)
721 (((
722 (% _mstvisible="2" %)
723 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
724 )))
725
726 (% _mstvisible="1" %)
727 (((
728 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
729 User need to set SYNCMOD=1 to enable sync time via MAC command.
730 )))
731
732 (% _mstvisible="1" %)
733 (((
734 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
735 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).
736 )))
737
738 (% _mstvisible="1" %)
739 (((
740 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
741 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.
742 )))
743
744 (% _mstvisible="1" %)
745 (((
746 (% _mstvisible="2" %)
747
748 )))
749
750 (% _mstvisible="1" %)
751 (((
752 (% _mstvisible="2" %)
753 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
754 )))
755
756 (% _mstvisible="1" %)
757 (((
758 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
759 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
760
761 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
762
763 )))
764
765 (% _mstvisible="1" %)
766 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
767
768 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
769 User can poll sensor value based on timestamps from the server. Below is the downlink command.
770
771 (% _mstvisible="1" %)
772 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
773
774 (% _mstvisible="1" %)
775 (((
776 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
777 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.
778 )))
779
780 (% _mstvisible="1" %)
781 (((
782 (% _mstvisible="2" %)
783 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
784 )))
785
786 (% _mstvisible="1" %)
787 (((
788 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
789 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
790 )))
791
792 (% _mstvisible="1" %)
793 (((
794 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
795 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
796 )))
797
798
799 (% _mstvisible="1" %)
800 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
801
802 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
803 The Datalog poll reply uplink will use below payload format.
804
805 (% _mstvisible="1" %)
806 (((
807 (% _mstvisible="2" %)
808 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
809 )))
810
811 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
812 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
813 (((
814 (% _mstvisible="6" %)
815 (((
816 (% _mstvisible="7" %)
817 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
818 )))
819 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
820 (((
821 (% _mstvisible="6" %)
822 (((
823 (% _mstvisible="7" %)
824 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
825 )))
826 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
827 (((
828 (% _mstvisible="6" %)
829 (((
830 (% _mstvisible="7" %)
831 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
832 )))
833 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
834 (((
835 (% _mstvisible="6" %)
836 (((
837 (% _mstvisible="7" %)
838 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
839 )))
840 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
841 (((
842 (% _mstvisible="6" %)
843 (((
844 (% _mstvisible="7" %)
845 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
846 )))
847 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
848 (((
849 (% _mstvisible="6" %)
850 (((
851 (% _mstvisible="7" %)
852 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
853 )))
854 )))
855 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
856 (((
857 (% _mstvisible="6" %)
858 (((
859 (% _mstvisible="7" %)
860 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
861 )))
862 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
863 (((
864 (% _mstvisible="6" %)
865 (((
866 (% _mstvisible="7" %)
867 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
868 )))
869 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
870 (((
871 (% _mstvisible="6" %)
872 (((
873 (% _mstvisible="7" %)
874 (((
875 (% _mstvisible="8" %)
876 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
877 )))
878 )))
879
880 (% _mstvisible="6" %)
881 (((
882 (% _mstvisible="7" %)
883 (((
884 (% _mstvisible="8" %)
885 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
886 )))
887 )))
888 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
889 (((
890 (% _mstvisible="6" %)
891 (((
892 (% _mstvisible="7" %)
893 (((
894 (% _mstvisible="8" %)
895 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
896 )))
897 )))
898
899 (% _mstvisible="6" %)
900 (((
901 (% _mstvisible="7" %)
902 (((
903 (% _mstvisible="8" %)
904 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
905 )))
906 )))
907 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
908 (((
909 (% _mstvisible="6" %)
910 (((
911 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
912 Poll message flag & Ext
913 )))
914 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
915 (((
916 (% _mstvisible="6" %)
917 (((
918 (% _mstvisible="7" %)
919 (((
920 (% _mstvisible="8" %)
921 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
922 )))
923 )))
924
925 (% _mstvisible="6" %)
926 (((
927 (% _mstvisible="7" %)
928 (((
929 (% _mstvisible="8" %)
930
931 )))
932 )))
933 )))
934
935 (% _mstvisible="1" %)
936 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
937
938 (% _mstvisible="1" %)
939 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
940
941 (% _mstvisible="1" %)
942 (((
943 (% _mstvisible="2" %)
944 (((
945 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
946 Poll Message Flag: 1: This message is a poll message reply.
947 )))
948 )))
949
950 (% _mstvisible="1" %)
951 * (% _mstvisible="3" %)
952 (((
953 (% _mstvisible="4" %)
954 (((
955 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
956 Poll Message Flag is set to 1.
957 )))
958 )))
959 * (% _mstvisible="3" %)
960 (((
961 (% _mstvisible="4" %)
962 (((
963 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
964 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
965 )))
966 )))
967
968 (% _mstvisible="1" %)
969 (((
970 (% _mstvisible="2" %)
971 (((
972 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
973
974
975 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
976 For example, in US915 band, the max payload for different DR is:
977 )))
978 )))
979
980 (% _mstvisible="1" %)
981 (((
982 (% _mstvisible="2" %)
983 (((
984 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
985 a) DR0: max is 11 bytes so one entry of data
986 )))
987 )))
988
989 (% _mstvisible="1" %)
990 (((
991 (% _mstvisible="2" %)
992 (((
993 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
994 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
995 )))
996 )))
997
998 (% _mstvisible="1" %)
999 (((
1000 (% _mstvisible="2" %)
1001 (((
1002 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
1003 c) DR2: total payload includes 11 entries of data
1004 )))
1005 )))
1006
1007 (% _mstvisible="1" %)
1008 (((
1009 (% _mstvisible="2" %)
1010 (((
1011 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1012 d) DR3: total payload includes 22 entries of data.
1013 )))
1014 )))
1015
1016 (% _mstvisible="1" %)
1017 (((
1018 (% _mstvisible="2" %)
1019 (((
1020 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1021 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1022 )))
1023 )))
1024
1025
1026 (% _mstvisible="1" style="text-align: left;" %)
1027 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1028
1029 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1030 If LHT65N has below data inside Flash:
1031
1032 (% _mstvisible="1" %)
1033 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1034
1035 (% _mstvisible="1" %)
1036 (((
1037 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1038 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1039 )))
1040
1041 (% _mstvisible="1" %)
1042 (((
1043 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1044 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1045 )))
1046
1047 (% _mstvisible="1" %)
1048 (((
1049 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1050 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1051 )))
1052
1053 (% _mstvisible="1" %)
1054 (((
1055 (% _mstvisible="2" %)
1056
1057 )))
1058
1059 (% _mstvisible="1" %)
1060 (((
1061 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1062 LHT65N will uplink this payload.
1063 )))
1064
1065 (% _mstvisible="1" %)
1066 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1067
1068 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1069 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1070
1071 (% _msthash="315237" _msttexthash="1385839" %)
1072 Where the first 11 bytes is for the first entry:
1073
1074 (% _msthash="315238" _msttexthash="274846" %)
1075 7FFF089801464160065F97
1076
1077 (% _msthash="315239" _msttexthash="617435" %)
1078 Ext sensor data=0x7FFF/100=327.67
1079
1080 (% _msthash="315240" _msttexthash="270543" %)
1081 Temp=0x0898/100=22.00
1082
1083 (% _msthash="315241" _msttexthash="211783" %)
1084 Hum=0x0146/10=32.6
1085
1086 (% _msthash="315242" _msttexthash="1569776" %)
1087 poll message flag & Ext=0x41,means reply data,Ext=1
1088
1089 (% _msthash="315243" _msttexthash="1120509" %)
1090 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1091
1092
1093 (% _mstvisible="1" style="text-align: left;" %)
1094 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1095
1096 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1097 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.
1098
1099 (% _mstvisible="1" %)
1100 (((
1101 (% _mstvisible="2" style="text-align: left;" %)
1102 (% _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.
1103 )))
1104
1105 (% _mstvisible="1" style="text-align: left;" %)
1106 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1107
1108 (% _mstvisible="1" class="box infomessage" %)
1109 (((
1110 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1111 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1112
1113 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1114 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1115
1116 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1117 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1118
1119 (% _mstvisible="2" style="text-align: left;" %)
1120 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1121
1122 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1123 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1124 )))
1125
1126
1127
1128 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1129 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1130
1131 (% _mstvisible="1" %)
1132 (((
1133 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1134 The LHT65 has a triple color LED which for easy showing different stage .
1135
1136 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1137 While user press ACT button, the LED will work as per LED status with ACT button.
1138 )))
1139
1140 (% _mstvisible="1" %)
1141 (((
1142 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1143 In a normal working state:
1144 )))
1145
1146 (% _mstvisible="1" %)
1147 * (% _mstvisible="3" %)
1148 (((
1149 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1150 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1151
1152 (% _msthash="197771" _msttexthash="1202526" %)
1153 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1154 )))
1155 * (% _mstvisible="3" %)
1156 (((
1157 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1158 RED LED when external sensor is not connected
1159 )))
1160 * (% _mstvisible="3" %)
1161 (((
1162 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1163 For each success downlink, the PURPLE LED will blink once
1164
1165
1166
1167 )))
1168
1169 (% _mstvisible="1" style="text-align: left;" %)
1170 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1171
1172 (% _mstvisible="1" %)
1173 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1174
1175
1176 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1177 = (% _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(%%) =
1178
1179 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1180 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1181
1182 [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1183
1184 1m long breakout cable for LHT65N
1185
1186 [[image:image-20220619092421-3.png||height="371" width="529"]]
1187
1188
1189
1190 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1191 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.2(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1192
1193 (% _mstvisible="1" %)
1194 [[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"]]
1195
1196
1197 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1198 Temperature sensor with 2 meters cable long
1199
1200 (% _mstvisible="1" %)
1201 * Resolution: 0.0625 °C
1202 * ±0.5°C accuracy from -10°C to +85°C
1203 * ±2°C accuracy from -55°C to +125°C
1204 * Operating Range: -40 ~~ 125 °C
1205 * Working voltage 2.35v ~~ 5v
1206
1207
1208
1209 (% _mstvisible="1" style="text-align: left;" %)
1210 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1211
1212 (% _mstvisible="1" %)
1213 (((
1214 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1215 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1216 )))
1217
1218 (% _mstvisible="1" %)
1219 * (% _mstvisible="3" %)
1220 (((
1221 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1222 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1223 )))
1224 * (% _mstvisible="3" %)
1225 (((
1226 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1227 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1228 )))
1229
1230 (% _mstvisible="1" %)
1231 (((
1232 (% _mstvisible="2" style="text-align: left;" %)
1233
1234 )))
1235
1236 (% _mstvisible="1" %)
1237 (((
1238 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1239 There are two kinds of commands to configure LHT65N, they are:
1240 )))
1241
1242 (% _mstvisible="1" %)
1243 (((
1244 (% _mstvisible="2" style="text-align: left;" %)
1245 (% _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" %).
1246 )))
1247
1248 (% _mstvisible="1" %)
1249 (((
1250 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1251 These commands are to configure:
1252 )))
1253
1254 (% _mstvisible="1" %)
1255 * (% _mstvisible="3" %)
1256 (((
1257 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1258 General system settings like: uplink interval.
1259 )))
1260 * (% _mstvisible="3" %)
1261 (((
1262 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1263 LoRaWAN protocol & radio-related commands.
1264 )))
1265
1266 (% _mstvisible="1" %)
1267 (((
1268 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1269 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]]
1270 )))
1271
1272 (% _mstvisible="1" %)
1273 (((
1274 (% _mstvisible="2" style="text-align: left;" %)
1275
1276 )))
1277
1278 (% _mstvisible="1" %)
1279 (((
1280 (% _mstvisible="2" style="text-align: left;" %)
1281 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1282 )))
1283
1284 (% _mstvisible="1" %)
1285 (((
1286 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1287 These commands are only valid for LHT65N, as below:
1288
1289
1290 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1291
1292 )))
1293
1294 (% _mstvisible="1" style="text-align: left;" %)
1295 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1296
1297 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1298 Feature: Change LoRaWAN End Node Transmit Interval.
1299
1300 (% _mstvisible="1" style="text-align: left;" %)
1301 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1302
1303 (% _mstvisible="1" %)
1304 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1305
1306 (% _mstvisible="1" %)
1307 (((
1308 (% _mstvisible="2" style="text-align: left;" %)
1309
1310
1311 (% _mstvisible="2" style="text-align: left;" %)
1312 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1313 )))
1314
1315 (% _mstvisible="1" %)
1316 (((
1317 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1318 Format: Command Code (0x01) followed by 3 bytes time value.
1319 )))
1320
1321 (% _mstvisible="1" %)
1322 (((
1323 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1324 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1325 )))
1326
1327 (% _mstvisible="1" %)
1328 * (% _mstvisible="3" %)
1329 (((
1330 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1331 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1332 )))
1333 * (% _mstvisible="3" %)
1334 (((
1335 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1336 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1337
1338
1339 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1340
1341 )))
1342
1343 (% _mstvisible="1" style="text-align: left;" %)
1344 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1345
1346 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1347 Feature: Change External Sensor Mode.
1348
1349 (% _mstvisible="1" style="text-align: left;" %)
1350 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1351
1352 (% _mstvisible="1" %)
1353 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1354
1355 (% _mstvisible="1" %)
1356 (((
1357 (% _mstvisible="2" style="text-align: left;" %)
1358
1359
1360 (% _mstvisible="2" style="text-align: left;" %)
1361 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1362 )))
1363
1364 (% _mstvisible="1" %)
1365 (((
1366 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1367 Total bytes: 2 ~~ 5 bytes
1368 )))
1369
1370 (% _mstvisible="1" %)
1371 (((
1372 (% _mstvisible="2" %)
1373 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1374 )))
1375
1376 (% _mstvisible="1" %)
1377 * (% _mstvisible="3" %)
1378 (((
1379 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1380 0xA201: Set external sensor type to E1
1381 )))
1382 * (% _mstvisible="3" %)
1383 (((
1384 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1385 0xA209: Same as AT+EXT=9
1386 )))
1387 * (% _mstvisible="3" %)
1388 (((
1389 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1390 0xA20702003c,Same as AT+SETCNT=60
1391
1392
1393 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1394
1395 )))
1396
1397 (% _mstvisible="1" style="text-align: left;" %)
1398 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1399
1400 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1401 Feature: If PID is enabled, device will send the temperature probe ID on:
1402
1403 (% _mstvisible="1" %)
1404 * First Packet after OTAA Join
1405 * Every 24 hours since the first packet.
1406
1407 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1408 PID is default set to disable (0)
1409
1410 (% _mstvisible="1" style="text-align: left;" %)
1411 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1412
1413 (% _mstvisible="1" %)
1414 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1415
1416
1417 (% _mstvisible="1" style="text-align: left;" %)
1418 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1419
1420 (% _mstvisible="1" %)
1421 * 0xA800  **~-~->** AT+PID=0
1422 * 0xA801     **~-~->** AT+PID=1
1423
1424
1425
1426 (% _mstvisible="1" style="text-align: left;" %)
1427 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1428
1429 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1430 Feature: Set device password, max 9 digits
1431
1432 (% _mstvisible="1" style="text-align: left;" %)
1433 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1434
1435 (% _mstvisible="1" %)
1436 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1437
1438 (% _mstvisible="1" %)
1439 (((
1440 (% _mstvisible="2" style="text-align: left;" %)
1441
1442
1443 (% _mstvisible="2" style="text-align: left;" %)
1444 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1445 )))
1446
1447 (% _mstvisible="1" %)
1448 (((
1449 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1450 No downlink command for this feature.
1451
1452 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1453
1454 )))
1455
1456 (% _mstvisible="1" style="text-align: left;" %)
1457 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1458
1459 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1460 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1461
1462 (% _mstvisible="1" style="text-align: left;" %)
1463 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1464
1465 (% _mstvisible="1" %)
1466 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1467
1468
1469 (% _mstvisible="1" style="text-align: left;" %)
1470 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1471
1472 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1473 No downlink command for this feature.
1474
1475
1476 (% _mstvisible="1" style="text-align: left;" %)
1477 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1478
1479 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1480 Feature: Set device to sleep mode
1481
1482 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1483 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1484
1485 (% _mstvisible="1" style="text-align: left;" %)
1486 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1487
1488 (% _mstvisible="1" %)
1489 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1490
1491
1492 (% _mstvisible="1" %)
1493 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1494
1495 (% _mstvisible="1" %)
1496 * There is no downlink command to set to Sleep mode.
1497
1498
1499
1500 (% _mstvisible="1" %)
1501 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1502
1503 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1504 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1505
1506 (% _mstvisible="1" %)
1507 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1508
1509 (% _mstvisible="1" %)
1510 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1511
1512
1513 (% _mstvisible="1" %)
1514 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1515
1516 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1517 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1518
1519
1520 (% _mstvisible="1" %)
1521 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1522
1523 (% _mstvisible="1" %)
1524 (((
1525 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1526 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1527 )))
1528
1529 (% _mstvisible="1" %)
1530 (((
1531 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1532 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.
1533 )))
1534
1535 (% _mstvisible="1" %)
1536 (((
1537 (% _mstvisible="2" %)
1538 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1539 )))
1540
1541 (% _mstvisible="1" %)
1542 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1543
1544
1545 (% _mstvisible="1" %)
1546 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1547
1548 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1549 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1550
1551 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1552 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1553
1554
1555 (% _mstvisible="1" %)
1556 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1557
1558 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1559 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1560
1561 (% _mstvisible="1" %)
1562 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1563
1564 (% _mstvisible="1" %)
1565 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1566
1567
1568 (% _mstvisible="1" %)
1569 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1570
1571 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1572 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1573
1574
1575 (% _mstvisible="1" %)
1576 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1577
1578 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1579 Feature: Print the sector data from start page to stop page (max is 416 pages).
1580
1581 (% _mstvisible="1" %)
1582 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1583
1584 (% _mstvisible="1" %)
1585 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1586
1587
1588 (% _mstvisible="1" %)
1589 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1590
1591 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1592 No downlink commands for feature
1593
1594
1595 (% _mstvisible="1" %)
1596 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1597
1598 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1599 Feature: Print the last few data entries
1600
1601 (% _mstvisible="1" %)
1602 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1603
1604 (% _mstvisible="1" %)
1605 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1606
1607
1608 (% _mstvisible="1" %)
1609 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1610
1611 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1612 No downlink commands for feature
1613
1614
1615 (% _mstvisible="1" %)
1616 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1617
1618 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1619 Feature: Clear flash storage for data log feature.
1620
1621 (% _mstvisible="1" %)
1622 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1623
1624 (% _mstvisible="1" %)
1625 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1626
1627
1628 (% _mstvisible="1" %)
1629 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1630
1631 (% _mstvisible="1" %)
1632 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1633
1634
1635
1636 (% _mstvisible="1" %)
1637 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1638
1639 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1640 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.
1641
1642
1643 (% _mstvisible="1" %)
1644 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1645
1646 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1647 The default factory setting is 0
1648
1649 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1650 (% _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**
1651 (% _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
1652
1653 (% _mstvisible="1" %)
1654 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1655
1656 (% _mstvisible="1" %)
1657 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1658
1659
1660
1661 (% _mstvisible="1" %)
1662 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1663
1664 (% _mstvisible="1" %)
1665 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1666
1667 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1668 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.
1669
1670 (% _mstvisible="1" %)
1671 (((
1672 (% _mstvisible="2" %)
1673 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1674 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1675 )))
1676
1677 (% _mstvisible="1" %)
1678 (((
1679 (% _mstvisible="2" %)
1680 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1681
1682 )))
1683
1684 (% _mstvisible="1" %)
1685 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1686
1687 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1688 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.
1689
1690 (% _mstvisible="1" %)
1691 [[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"]]
1692
1693
1694 (% _mstvisible="1" %)
1695 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1696
1697 (% _mstvisible="1" %)
1698 (((
1699 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1700 (((
1701 (% _msthash="736723" _msttexthash="35479028" %)
1702 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:
1703 [[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]]
1704 )))
1705
1706 (((
1707
1708 )))
1709
1710 (((
1711 (% _msthash="736724" _msttexthash="12045098" %)
1712 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]]
1713 )))
1714
1715
1716 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1717 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1718
1719 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1720 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1721
1722 (((
1723 (% _msthash="736725" _msttexthash="9345674" %)
1724 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.
1725 )))
1726
1727 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1728
1729
1730 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1731
1732 (% _msthash="506062" _msttexthash="1187732" %)
1733 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1734
1735 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1736
1737 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1738
1739 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1740
1741
1742 (((
1743 (% _msthash="736726" _msttexthash="67213055" %)
1744 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.
1745 )))
1746
1747 (((
1748 (% _msthash="736727" _msttexthash="1907009" %)
1749 Input password and ATZ to activate LHT65N,As shown below:
1750 )))
1751
1752 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1753
1754
1755 (% _msthash="506066" _msttexthash="544869" %)
1756 AT Command List is as below:
1757
1758 (% _msthash="506067" _msttexthash="361920" %)
1759 AT+<CMD>? :  Help on <CMD>
1760
1761 (% _msthash="506068" _msttexthash="243061" %)
1762 AT+<CMD> :  Run <CMD>
1763
1764 (% _msthash="506069" _msttexthash="704197" %)
1765 AT+<CMD>=<value> :  Set the value
1766
1767 (% _msthash="506070" _msttexthash="455676" %)
1768 AT+<CMD>=? :  Get the value
1769
1770 (% _msthash="506071" _msttexthash="670553" %)
1771 AT+DEBUG:  Set more info output
1772
1773 (% _msthash="506072" _msttexthash="485888" %)
1774 ATZ:  Trig a reset of the MCU
1775
1776 (% _msthash="506073" _msttexthash="2068872" %)
1777 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1778
1779 (% _msthash="506074" _msttexthash="689169" %)
1780 AT+DEUI:  Get or Set the Device EUI
1781
1782 (% _msthash="506075" _msttexthash="960414" %)
1783 AT+DADDR:  Get or Set the Device Address
1784
1785 (% _msthash="506076" _msttexthash="1079897" %)
1786 AT+APPKEY:  Get or Set the Application Key
1787
1788 (% _msthash="506077" _msttexthash="1326143" %)
1789 AT+NWKSKEY:  Get or Set the Network Session Key
1790
1791 (% _msthash="506078" _msttexthash="1573000" %)
1792 AT+APPSKEY:  Get or Set the Application Session Key
1793
1794 (% _msthash="506079" _msttexthash="1041729" %)
1795 AT+APPEUI:  Get or Set the Application EUI
1796
1797 (% _msthash="506080" _msttexthash="2104206" %)
1798 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1799
1800 (% _msthash="506081" _msttexthash="3369288" %)
1801 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1802
1803 (% _msthash="506082" _msttexthash="1894529" %)
1804 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1805
1806 (% _msthash="506083" _msttexthash="3864172" %)
1807 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1808
1809 (% _msthash="506084" _msttexthash="1712204" %)
1810 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1811
1812 (% _msthash="506085" _msttexthash="1281202" %)
1813 AT+RX2FQ:  Get or Set the Rx2 window frequency
1814
1815 (% _msthash="506086" _msttexthash="2796781" %)
1816 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1817
1818 (% _msthash="506087" _msttexthash="3285165" %)
1819 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1820
1821 (% _msthash="506088" _msttexthash="3286179" %)
1822 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1823
1824 (% _msthash="506089" _msttexthash="4703803" %)
1825 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1826
1827 (% _msthash="506090" _msttexthash="4704999" %)
1828 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1829
1830 (% _msthash="506091" _msttexthash="1528683" %)
1831 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1832
1833 (% _msthash="506092" _msttexthash="757185" %)
1834 AT+NWKID:  Get or Set the Network ID
1835
1836 (% _msthash="506093" _msttexthash="1156597" %)
1837 AT+FCU:  Get or Set the Frame Counter Uplink
1838
1839 (% _msthash="506094" _msttexthash="1273987" %)
1840 AT+FCD:  Get or Set the Frame Counter Downlink
1841
1842 (% _msthash="506095" _msttexthash="859222" %)
1843 AT+CLASS:  Get or Set the Device Class
1844
1845 (% _msthash="506096" _msttexthash="384852" %)
1846 AT+JOIN:  Join network
1847
1848 (% _msthash="506097" _msttexthash="548626" %)
1849 AT+NJS:  Get the join status
1850
1851 (% _msthash="506098" _msttexthash="2546206" %)
1852 AT+SENDB:  Send hexadecimal data along with the application port
1853
1854 (% _msthash="506099" _msttexthash="1932307" %)
1855 AT+SEND:  Send text data along with the application port
1856
1857 (% _msthash="506100" _msttexthash="3560557" %)
1858 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1859
1860 (% _msthash="506101" _msttexthash="1429701" %)
1861 AT+RECV:  Print last received data in raw format
1862
1863 (% _msthash="506102" _msttexthash="1735981" %)
1864 AT+VER:  Get current image version and Frequency Band
1865
1866 (% _msthash="506103" _msttexthash="1189474" %)
1867 AT+CFM:  Get or Set the confirmation mode (0-1)
1868
1869 (% _msthash="506104" _msttexthash="1718210" %)
1870 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1871
1872 (% _msthash="506105" _msttexthash="1339403" %)
1873 AT+SNR:  Get the SNR of the last received packet
1874
1875 (% _msthash="506106" _msttexthash="1452009" %)
1876 AT+RSSI:  Get the RSSI of the last received packet
1877
1878 (% _msthash="506107" _msttexthash="2768142" %)
1879 AT+TDC:  Get or set the application data transmission interval in ms
1880
1881 (% _msthash="506108" _msttexthash="1083914" %)
1882 AT+PORT:  Get or set the application port
1883
1884 (% _msthash="506109" _msttexthash="622440" %)
1885 AT+DISAT:  Disable AT commands
1886
1887 (% _msthash="506110" _msttexthash="868361" %)
1888 AT+PWORD: Set password, max 9 digits
1889
1890 (% _msthash="506111" _msttexthash="2210299" %)
1891 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1892
1893 (% _msthash="506112" _msttexthash="2113462" %)
1894 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1895
1896 (% _msthash="506113" _msttexthash="2087423" %)
1897 AT+PDTA:  Print the sector data from start page to stop page
1898
1899 (% _msthash="506114" _msttexthash="1063127" %)
1900 AT+PLDTA:  Print the last few sets of data
1901
1902 (% _msthash="506115" _msttexthash="1999426" %)
1903 AT+CLRDTA:  Clear the storage, record position back to 1st
1904
1905 (% _msthash="506116" _msttexthash="442130" %)
1906 AT+SLEEP:  Set sleep mode
1907
1908 (% _msthash="506117" _msttexthash="1080222" %)
1909 AT+EXT:  Get or Set external sensor model
1910
1911 (% _msthash="506118" _msttexthash="1309490" %)
1912 AT+BAT:  Get the current battery voltage in mV
1913
1914 (% _msthash="506119" _msttexthash="813891" %)
1915 AT+CFG:  Print all configurations
1916
1917 (% _msthash="506120" _msttexthash="551707" %)
1918 AT+WMOD:  Get or Set Work Mode
1919
1920 (% _msthash="506121" _msttexthash="2631499" %)
1921 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1922
1923 (% _msthash="506122" _msttexthash="3907150" %)
1924 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1925
1926 (% _msthash="506123" _msttexthash="854620" %)
1927 AT+SETCNT:  Set the count at present
1928
1929 (% _msthash="506124" _msttexthash="2554877" %)
1930 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1931
1932 (% _msthash="506125" _msttexthash="771849" %)
1933 AT+RPL:  Get or set response level
1934
1935 (% _msthash="506126" _msttexthash="1484314" %)
1936 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1937
1938 (% _msthash="506127" _msttexthash="741728" %)
1939 AT+LEAPSEC:  Get or Set Leap Second
1940
1941 (% _msthash="506128" _msttexthash="1694017" %)
1942 AT+SYNCMOD:  Get or Set time synchronization method
1943
1944 (% _msthash="506129" _msttexthash="2235948" %)
1945 AT+SYNCTDC:  Get or set time synchronization interval in day
1946
1947 (% _msthash="506130" _msttexthash="425542" %)
1948 AT+PID:  Get or set the PID
1949
1950
1951 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1952
1953 (% _msthash="506131" _msttexthash="14585714" %)
1954 AT commands：
1955
1956 [[image:image-20220620153708-1.png||height="603" width="723"]]
1957
1958 (% _msthash="506132" _msttexthash="337922" %)
1959 Downlink commands:
1960
1961
1962 (% _msthash="506133" _msttexthash="33046" %)
1963 **TTN:**
1964
1965 [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1966
1967
1968 (% _msthash="506134" _msttexthash="11113791" %)
1969 **Helium：**
1970
1971 [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1972
1973
1974 (% _msthash="506135" _msttexthash="4159844" %)
1975 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1976
1977 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1978
1979 [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1980
1981
1982 (% _msthash="506136" _msttexthash="39286" %)
1983 **Aws:**
1984
1985 [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1986
1987
1988 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1989
1990 [[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"]]
1991
1992
1993 (% _msthash="536757" _msttexthash="1874951" %)
1994 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1995
1996 [[image:image-20220615153355-1.png]]
1997
1998 [[image:1655802313617-381.png]]
1999
2000
2001 (((
2002 (% _msthash="736728" _msttexthash="67213055" %)
2003 (((
2004 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**(% style="color:red" %))(%%) 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.
2005 )))
2006 )))
2007
2008 (((
2009 (% _msthash="736729" _msttexthash="1907009" %)
2010 Input password and ATZ to activate LHT65N,As shown below:
2011
2012 [[image:image-20220615154519-3.png||height="672" width="807"]]
2013
2014
2015 )))
2016
2017 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
2018
2019
2020 [[image:image-20220615153355-1.png]]
2021
2022 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2023
2024 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2025
2026 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2027
2028 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2029
2030 [[image:image-20220620160241-6.jpeg||height="428" width="571"]]
2031
2032 Press reset after connecting the 4boot cable to enter the download mode.
2033
2034 [[image:image-20220620160516-7.png||height="435" width="435"]]
2035
2036
2037 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2038
2039 [[image:image-20220615170542-5.png]]
2040
2041 (% style="display:none" %) (%%)
2042
2043 (% _msthash="506146" _msttexthash="52173160" %)
2044 (% _istranslated="1" %)**Step2**(%%)：wiring method.(% style="display:none" %)
2045
2046 (% _msthash="506146" _msttexthash="52173160" %)
2047 First connect the four lines；(% style="display:none" %)
2048
2049 [[image:image-20220621170938-1.png||height="413" width="419"]](% _mstvisible="1" %)，(% style="display:none" %)
2050
2051
2052 (% _mstvisible="1" %)Then use DuPont cable to short circuit port3 and port1, and then release them, so that the device enters bootlaod mode.
2053
2054 [[image:image-20220621170938-2.png]].
2055
2056 (% _msthash="506147" _msttexthash="188083584" %)
2057 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2058
2059 [[image:image-20220615171334-6.png]]
2060
2061
2062 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2063
2064 [[image:image-20220620160723-8.png]]
2065
2066
2067 )))
2068
2069 (% _mstvisible="1" %)
2070 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2071
2072 (% _mstvisible="1" %)
2073 (((
2074 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2075 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2076 )))
2077
2078 (% _mstvisible="1" %)
2079 (((
2080 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2081 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2082 )))
2083
2084 (% _mstvisible="1" %)
2085 * (% _mstvisible="3" %)
2086 (((
2087 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2088 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2089 )))
2090 * (% _mstvisible="3" %)
2091 (((
2092 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2093 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2094 )))
2095 * (% _mstvisible="3" %)
2096 (((
2097 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2098 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2099 )))
2100 * (% _mstvisible="3" %)
2101 (((
2102 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2103 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2104 )))
2105 * (% _mstvisible="3" %)
2106 (((
2107 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2108 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2109 )))
2110 * (% _mstvisible="3" %)
2111 (((
2112 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2113 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2114 )))
2115 * (% _mstvisible="3" %)
2116 (((
2117 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2118 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2119 )))
2120 * (% _mstvisible="3" %)
2121 (((
2122 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2123 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2124 )))
2125
2126 (% _mstvisible="1" %)
2127 (((
2128 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2129 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2130 )))
2131
2132 (% _mstvisible="1" %)
2133 * (% _mstvisible="3" %)
2134 (((
2135 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2136 (% style="color:red" %)**E3**(%%): External Temperature Probe
2137
2138
2139 )))
2140
2141 (% _mstvisible="1" %)
2142 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2143
2144 (% _mstvisible="1" %)
2145 (((
2146 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2147
2148
2149 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2150 (% _mstvisible="3" %)**Package Includes**(%%):
2151 )))
2152
2153 (% _mstvisible="1" %)
2154 * (% _mstvisible="3" %)
2155 (((
2156 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2157 LHT65N Temperature & Humidity Sensor x 1
2158 )))
2159 * (% _mstvisible="3" %)
2160 (((
2161 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2162 Optional external sensor
2163 )))
2164
2165 (% _mstvisible="1" %)
2166 (((
2167 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2168 (% _mstvisible="3" %)**Dimension and weight**(%%):
2169 )))
2170
2171 (% _mstvisible="1" %)
2172 * (% _mstvisible="3" %)
2173 (((
2174 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2175 Device Size:  10 x 10 x 3.5 cm
2176 )))
2177 * (% _mstvisible="3" %)
2178 (((
2179 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2180 Device Weight: 120.5g
2181 )))
2182
2183 (% _mstvisible="3" %)
2184 (((
2185
2186 )))
2187
2188 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2189
2190 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2191
2192
2193
2194 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2195
2196 (% _mstvisible="1" %)
2197 (((
2198 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2199 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2200 )))
2201
2202 (% _mstvisible="1" %)
2203 (((
2204 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2205 (1) This device may not cause harmful interference；
2206 )))
2207
2208 (% _mstvisible="1" %)
2209 (((
2210 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2211 (2) this device must accept any interference received, including interference that may cause undesired operation.
2212 )))