Version 152.1 by Edwin Chen on 2022/06/19 09:24

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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" %)**.**
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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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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.
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50 (((
51 (% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %)
52 LHT65N supports (% _mstvisible="4" style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
53 )))
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56 (((
57 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
58 *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
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60 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
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62 )))
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64 (% _mstvisible="1" %)
65 == (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
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68 * Wall mountable
69 * LoRaWAN v1.0.3 Class A protocol
70 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
71 * AT Commands to change parameters
72 * Remote configure parameters via LoRaWAN Downlink
73 * Firmware upgradeable via program port
74 * Built-in 2400mAh battery for up to 10 years of use.
75 * Built-in Temperature & Humidity sensor
76 * Optional External Sensors
77 * Tri-color LED to indicate working status
78 * Datalog feature
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80 (% _mstvisible="1" %)
81 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
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84 (((
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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
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115 (((
116 (% _mstvisible="2" %)
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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
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139 * (% _mstvisible="3" %)
140 (((
141 (% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
142 Operating Range: 0 ~~ 96 %RH
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146 (((
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151 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
152 )))
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154 (% _mstvisible="1" %)
155 * (% _mstvisible="3" %)
156 (((
157 (% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
158 Resolution: 0.0625 °C
159 )))
160 * (% _mstvisible="3" %)
161 (((
162 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
163 ±0.5°C accuracy from -10°C to +85°C
164 )))
165 * (% _mstvisible="3" %)
166 (((
167 (% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
168 ±2°C accuracy from -55°C to +125°C
169 )))
170 * (% _mstvisible="3" %)
171 (((
172 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
173 Operating Range: -55 °C ~~ 125 °C
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176 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
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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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184 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
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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.
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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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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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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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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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218 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
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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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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.(%%) ===
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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.
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296 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
297 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
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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.
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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"]]
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380 (% _mstvisible="1" %)
381 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
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385 (% _mstvisible="1" %)
386 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
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388 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
389 These two bytes of BAT include the battery state and the actually voltage
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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"]]
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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:
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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
475 (% _mstvisible="1" %)
476 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
477
478 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
479 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:
480
481 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
482 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
483 (((
484 (% _mstvisible="6" %)
485 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
486 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
487 (((
488 (% _mstvisible="6" %)
489 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
490 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
491 (((
492 (% _mstvisible="6" %)
493 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
494 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
495 (((
496 (% _mstvisible="6" %)
497 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
498 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
499 (((
500 (% _mstvisible="6" %)
501 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
502 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
503 (((
504 (% _mstvisible="6" %)
505 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
506 )))
507 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
508 (((
509 (% _mstvisible="6" %)
510 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
511 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
512 (((
513 (% _mstvisible="6" %)
514 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
515 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
516 (((
517 (% _mstvisible="6" %)
518 (((
519 (% _mstvisible="7" %)
520 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
521 )))
522
523 (% _mstvisible="6" %)
524 (((
525 (% _mstvisible="7" %)
526 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
527 )))
528 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
529 (((
530 (% _mstvisible="6" %)
531 (((
532 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
533 BAT Status &
534 )))
535
536 (% _mstvisible="6" %)
537 (((
538 (% _mstvisible="7" %)
539 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
540 )))
541 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
542 (((
543 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
544 Status & Ext
545 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
546 (((
547 (% _mstvisible="6" %)
548 (((
549 (% _mstvisible="7" %)
550 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
551 )))
552 )))
553
554 (% _mstvisible="1" %)
555 * (% _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**
556
557 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
558 (% _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]
559 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
560 (((
561 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
562 BAT Status
563
564 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
565 00(b): Ultra Low ( BAT <= 2.50v)
566
567 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
568 01(b): Low  (2.50v <=BAT <= 2.55v)
569
570 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
571 10(b): OK   (2.55v <= BAT <=2.65v)
572
573 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
574 11(b): Good   (BAT >= 2.65v)
575 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
576 (((
577 (% _mstvisible="6" %)
578 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
579
580 (% _mstvisible="6" %)
581
582 )))
583
584 (% _mstvisible="1" %)
585 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
586
587 (% _mstvisible="1" %)
588 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
589
590 (% _mstvisible="1" %)
591 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
592 * 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.
593 * 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)
594
595 (% _mstvisible="1" %)
596 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
597
598 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
599 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:
600
601 (% _mstvisible="1" %)
602 (((
603 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
604 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
605 )))
606
607 (% _mstvisible="1" %)
608 (((
609 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
610 (% _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.
611 )))
612
613 (% _mstvisible="1" %)
614 (((
615 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
616 Add Datacake:
617 )))
618
619 (% _mstvisible="1" %)
620 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
621
622
623 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
624 Select default key as Access Key:
625
626 (% _mstvisible="1" %)
627 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
628
629 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
630 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
631
632 (% _mstvisible="1" %)
633 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
634
635 (% _mstvisible="1" %)
636 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
637
638
639
640 (% _mstvisible="1" %)
641 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
642
643 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
644 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.
645
646
647 (% _mstvisible="1" %)
648 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
649
650 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
651 There are two methods:
652
653 (% _mstvisible="1" %)
654 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
655 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.
656
657 (% _mstvisible="1" %)
658 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
659
660 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
661 LHT65N uses Unix TimeStamp format based on
662
663 (% _mstvisible="1" %)
664 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
665
666
667 (% _mstvisible="1" %)
668 (((
669 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
670 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
671 )))
672
673 (% _mstvisible="1" %)
674 (((
675 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
676 Below is the converter example
677 )))
678
679 (% _mstvisible="1" %)
680 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
681
682 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
683 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
684
685
686 (% _mstvisible="1" %)
687 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
688
689 (% _mstvisible="1" %)
690 (((
691 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
692 There are two ways to set device’s time:
693 )))
694
695 (% _mstvisible="1" %)
696 (((
697 (% _mstvisible="2" %)
698 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
699 )))
700
701 (% _mstvisible="1" %)
702 (((
703 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
704 User need to set SYNCMOD=1 to enable sync time via MAC command.
705 )))
706
707 (% _mstvisible="1" %)
708 (((
709 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
710 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).
711 )))
712
713 (% _mstvisible="1" %)
714 (((
715 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
716 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.
717 )))
718
719 (% _mstvisible="1" %)
720 (((
721 (% _mstvisible="2" %)
722
723 )))
724
725 (% _mstvisible="1" %)
726 (((
727 (% _mstvisible="2" %)
728 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
729 )))
730
731 (% _mstvisible="1" %)
732 (((
733 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
734 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
735
736 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
737
738 )))
739
740 (% _mstvisible="1" %)
741 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
742
743 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
744 User can poll sensor value based on timestamps from the server. Below is the downlink command.
745
746 (% _mstvisible="1" %)
747 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
748
749 (% _mstvisible="1" %)
750 (((
751 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
752 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.
753 )))
754
755 (% _mstvisible="1" %)
756 (((
757 (% _mstvisible="2" %)
758 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
759 )))
760
761 (% _mstvisible="1" %)
762 (((
763 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
764 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
765 )))
766
767 (% _mstvisible="1" %)
768 (((
769 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
770 Uplink Internal =5s,means LHT65N will send one packet every 5s. range 5~~255s.
771 )))
772
773
774 (% _mstvisible="1" %)
775 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
776
777 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
778 The Datalog poll reply uplink will use below payload format.
779
780 (% _mstvisible="1" %)
781 (((
782 (% _mstvisible="2" %)
783 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
784 )))
785
786 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
787 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
788 (((
789 (% _mstvisible="6" %)
790 (((
791 (% _mstvisible="7" %)
792 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
793 )))
794 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
795 (((
796 (% _mstvisible="6" %)
797 (((
798 (% _mstvisible="7" %)
799 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
800 )))
801 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
802 (((
803 (% _mstvisible="6" %)
804 (((
805 (% _mstvisible="7" %)
806 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
807 )))
808 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
809 (((
810 (% _mstvisible="6" %)
811 (((
812 (% _mstvisible="7" %)
813 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
814 )))
815 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
816 (((
817 (% _mstvisible="6" %)
818 (((
819 (% _mstvisible="7" %)
820 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
821 )))
822 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
823 (((
824 (% _mstvisible="6" %)
825 (((
826 (% _mstvisible="7" %)
827 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
828 )))
829 )))
830 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
831 (((
832 (% _mstvisible="6" %)
833 (((
834 (% _mstvisible="7" %)
835 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
836 )))
837 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
838 (((
839 (% _mstvisible="6" %)
840 (((
841 (% _mstvisible="7" %)
842 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
843 )))
844 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
845 (((
846 (% _mstvisible="6" %)
847 (((
848 (% _mstvisible="7" %)
849 (((
850 (% _mstvisible="8" %)
851 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
852 )))
853 )))
854
855 (% _mstvisible="6" %)
856 (((
857 (% _mstvisible="7" %)
858 (((
859 (% _mstvisible="8" %)
860 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
861 )))
862 )))
863 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
864 (((
865 (% _mstvisible="6" %)
866 (((
867 (% _mstvisible="7" %)
868 (((
869 (% _mstvisible="8" %)
870 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
871 )))
872 )))
873
874 (% _mstvisible="6" %)
875 (((
876 (% _mstvisible="7" %)
877 (((
878 (% _mstvisible="8" %)
879 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
880 )))
881 )))
882 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
883 (((
884 (% _mstvisible="6" %)
885 (((
886 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
887 Poll message flag & Ext
888 )))
889 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
890 (((
891 (% _mstvisible="6" %)
892 (((
893 (% _mstvisible="7" %)
894 (((
895 (% _mstvisible="8" %)
896 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
897 )))
898 )))
899
900 (% _mstvisible="6" %)
901 (((
902 (% _mstvisible="7" %)
903 (((
904 (% _mstvisible="8" %)
905
906 )))
907 )))
908 )))
909
910 (% _mstvisible="1" %)
911 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
912
913 (% _mstvisible="1" %)
914 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
915
916 (% _mstvisible="1" %)
917 (((
918 (% _mstvisible="2" %)
919 (((
920 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
921 Poll Message Flag: 1: This message is a poll message reply.
922 )))
923 )))
924
925 (% _mstvisible="1" %)
926 * (% _mstvisible="3" %)
927 (((
928 (% _mstvisible="4" %)
929 (((
930 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
931 Poll Message Flag is set to 1.
932 )))
933 )))
934 * (% _mstvisible="3" %)
935 (((
936 (% _mstvisible="4" %)
937 (((
938 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
939 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
940 )))
941 )))
942
943 (% _mstvisible="1" %)
944 (((
945 (% _mstvisible="2" %)
946 (((
947 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
948
949
950 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
951 For example, in US915 band, the max payload for different DR is:
952 )))
953 )))
954
955 (% _mstvisible="1" %)
956 (((
957 (% _mstvisible="2" %)
958 (((
959 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
960 a) DR0: max is 11 bytes so one entry of data
961 )))
962 )))
963
964 (% _mstvisible="1" %)
965 (((
966 (% _mstvisible="2" %)
967 (((
968 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
969 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
970 )))
971 )))
972
973 (% _mstvisible="1" %)
974 (((
975 (% _mstvisible="2" %)
976 (((
977 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
978 c) DR2: total payload includes 11 entries of data
979 )))
980 )))
981
982 (% _mstvisible="1" %)
983 (((
984 (% _mstvisible="2" %)
985 (((
986 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
987 d) DR3: total payload includes 22 entries of data.
988 )))
989 )))
990
991 (% _mstvisible="1" %)
992 (((
993 (% _mstvisible="2" %)
994 (((
995 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
996 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
997 )))
998 )))
999
1000
1001 (% _mstvisible="1" style="text-align: left;" %)
1002 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1003
1004 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1005 If LHT65N has below data inside Flash:
1006
1007 (% _mstvisible="1" %)
1008 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1009
1010 (% _mstvisible="1" %)
1011 (((
1012 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1013 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1014 )))
1015
1016 (% _mstvisible="1" %)
1017 (((
1018 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1019 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1020 )))
1021
1022 (% _mstvisible="1" %)
1023 (((
1024 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1025 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1026 )))
1027
1028 (% _mstvisible="1" %)
1029 (((
1030 (% _mstvisible="2" %)
1031
1032 )))
1033
1034 (% _mstvisible="1" %)
1035 (((
1036 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1037 LHT65N will uplink this payload.
1038 )))
1039
1040 (% _mstvisible="1" %)
1041 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1042
1043 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1044 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1045
1046 (% _msthash="315237" _msttexthash="1385839" %)
1047 Where the first 11 bytes is for the first entry:
1048
1049 (% _msthash="315238" _msttexthash="274846" %)
1050 7FFF089801464160065F97
1051
1052 (% _msthash="315239" _msttexthash="617435" %)
1053 Ext sensor data=0x7FFF/100=327.67
1054
1055 (% _msthash="315240" _msttexthash="270543" %)
1056 Temp=0x0898/100=22.00
1057
1058 (% _msthash="315241" _msttexthash="211783" %)
1059 Hum=0x0146/10=32.6
1060
1061 (% _msthash="315242" _msttexthash="1569776" %)
1062 poll message flag & Ext=0x41,means reply data,Ext=1
1063
1064 (% _msthash="315243" _msttexthash="1120509" %)
1065 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1066
1067
1068 (% _mstvisible="1" style="text-align: left;" %)
1069 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1070
1071 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1072 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.
1073
1074 (% _mstvisible="1" %)
1075 (((
1076 (% _mstvisible="2" style="text-align: left;" %)
1077 (% _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.
1078 )))
1079
1080 (% _mstvisible="1" style="text-align: left;" %)
1081 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1082
1083 (% _mstvisible="1" class="box infomessage" %)
1084 (((
1085 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1086 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1087
1088 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1089 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1090
1091 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1092 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1093
1094 (% _mstvisible="2" style="text-align: left;" %)
1095 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=? **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1096
1097 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1098 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1099 )))
1100
1101
1102
1103 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1104 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1105
1106 (% _mstvisible="1" %)
1107 (((
1108 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1109 The LHT65 has a triple color LED which for easy showing different stage .
1110
1111 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1112 While user press ACT button, the LED will work as per LED status with ACT button.
1113 )))
1114
1115 (% _mstvisible="1" %)
1116 (((
1117 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1118 In a normal working state:
1119 )))
1120
1121 (% _mstvisible="1" %)
1122 * (% _mstvisible="3" %)
1123 (((
1124 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1125 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1126
1127 (% _msthash="197771" _msttexthash="1202526" %)
1128 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1129 )))
1130 * (% _mstvisible="3" %)
1131 (((
1132 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1133 RED LED when external sensor is not connected
1134 )))
1135 * (% _mstvisible="3" %)
1136 (((
1137 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1138 For each success downlink, the PURPLE LED will blink once
1139
1140
1141
1142 )))
1143
1144 (% _mstvisible="1" style="text-align: left;" %)
1145 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1146
1147 (% _mstvisible="1" %)
1148 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1149
1150
1151 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1152 = (% _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(%%) =
1153
1154 (% _msthidden="1" _mstvisible="1" class="wikigeneratedid" style="text-align: left;" %)
1155 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1156
1157 [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1158
1159 1m long breakout cable for LHT65N
1160
1161 [[image:image-20220619092421-3.png||height="371" width="529"]]
1162
1163
1164
1165 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1166 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1167
1168 (% _mstvisible="1" %)
1169 [[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"]]
1170
1171
1172 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1173 Temperature sensor with 2 meters cable long
1174
1175 (% _mstvisible="1" %)
1176 * Resolution: 0.0625 °C
1177 * ±0.5°C accuracy from -10°C to +85°C
1178 * ±2°C accuracy from -55°C to +125°C
1179 * Operating Range: -40 ~~ 125 °C
1180 * -55°C to 125°C
1181 * Working voltage 2.35v ~~ 5v
1182
1183 (% _mstvisible="1" style="text-align: left;" %)
1184 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1185
1186 (% _mstvisible="1" %)
1187 (((
1188 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1189 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1190 )))
1191
1192 (% _mstvisible="1" %)
1193 * (% _mstvisible="3" %)
1194 (((
1195 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1196 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1197 )))
1198 * (% _mstvisible="3" %)
1199 (((
1200 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1201 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1202 )))
1203
1204 (% _mstvisible="1" %)
1205 (((
1206 (% _mstvisible="2" style="text-align: left;" %)
1207
1208 )))
1209
1210 (% _mstvisible="1" %)
1211 (((
1212 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1213 There are two kinds of commands to configure LHT65N, they are:
1214 )))
1215
1216 (% _mstvisible="1" %)
1217 (((
1218 (% _mstvisible="2" style="text-align: left;" %)
1219 (% _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" %).
1220 )))
1221
1222 (% _mstvisible="1" %)
1223 (((
1224 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1225 These commands are to configure:
1226 )))
1227
1228 (% _mstvisible="1" %)
1229 * (% _mstvisible="3" %)
1230 (((
1231 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1232 General system settings like: uplink interval.
1233 )))
1234 * (% _mstvisible="3" %)
1235 (((
1236 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1237 LoRaWAN protocol & radio-related commands.
1238 )))
1239
1240 (% _mstvisible="1" %)
1241 (((
1242 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1243 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]]
1244 )))
1245
1246 (% _mstvisible="1" %)
1247 (((
1248 (% _mstvisible="2" style="text-align: left;" %)
1249
1250 )))
1251
1252 (% _mstvisible="1" %)
1253 (((
1254 (% _mstvisible="2" style="text-align: left;" %)
1255 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1256 )))
1257
1258 (% _mstvisible="1" %)
1259 (((
1260 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1261 These commands are only valid for LHT65N, as below:
1262
1263
1264 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1265
1266 )))
1267
1268 (% _mstvisible="1" style="text-align: left;" %)
1269 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1270
1271 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1272 Feature: Change LoRaWAN End Node Transmit Interval.
1273
1274 (% _mstvisible="1" style="text-align: left;" %)
1275 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1276
1277 (% _mstvisible="1" %)
1278 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1279
1280 (% _mstvisible="1" %)
1281 (((
1282 (% _mstvisible="2" style="text-align: left;" %)
1283
1284
1285 (% _mstvisible="2" style="text-align: left;" %)
1286 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1287 )))
1288
1289 (% _mstvisible="1" %)
1290 (((
1291 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1292 Format: Command Code (0x01) followed by 3 bytes time value.
1293 )))
1294
1295 (% _mstvisible="1" %)
1296 (((
1297 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1298 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1299 )))
1300
1301 (% _mstvisible="1" %)
1302 * (% _mstvisible="3" %)
1303 (((
1304 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1305 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1306 )))
1307 * (% _mstvisible="3" %)
1308 (((
1309 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1310 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1311
1312
1313 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1314
1315 )))
1316
1317 (% _mstvisible="1" style="text-align: left;" %)
1318 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1319
1320 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1321 Feature: Change External Sensor Mode.
1322
1323 (% _mstvisible="1" style="text-align: left;" %)
1324 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1325
1326 (% _mstvisible="1" %)
1327 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1328
1329 (% _mstvisible="1" %)
1330 (((
1331 (% _mstvisible="2" style="text-align: left;" %)
1332
1333
1334 (% _mstvisible="2" style="text-align: left;" %)
1335 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1336 )))
1337
1338 (% _mstvisible="1" %)
1339 (((
1340 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1341 Total bytes: 2 ~~ 5 bytes
1342 )))
1343
1344 (% _mstvisible="1" %)
1345 (((
1346 (% _mstvisible="2" %)
1347 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1348 )))
1349
1350 (% _mstvisible="1" %)
1351 * (% _mstvisible="3" %)
1352 (((
1353 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1354 0xA201: Set external sensor type to E1
1355 )))
1356 * (% _mstvisible="3" %)
1357 (((
1358 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1359 0xA209: Same as AT+EXT=9
1360 )))
1361 * (% _mstvisible="3" %)
1362 (((
1363 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1364 0xA20702003c,Same as AT+SETCNT=60
1365
1366
1367 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1368
1369 )))
1370
1371 (% _mstvisible="1" style="text-align: left;" %)
1372 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1373
1374 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1375 Feature: If PID is enabled, device will send the temperature probe ID on:
1376
1377 (% _mstvisible="1" %)
1378 * First Packet after OTAA Join
1379 * Every 24 hours since the first packet.
1380
1381 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1382 PID is default set to disable (0)
1383
1384 (% _mstvisible="1" style="text-align: left;" %)
1385 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1386
1387 (% _mstvisible="1" %)
1388 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1389
1390
1391 (% _mstvisible="1" style="text-align: left;" %)
1392 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1393
1394 (% _mstvisible="1" %)
1395 * 0xA800  **~-~->** AT+PID=0
1396 * 0xA801     **~-~->** AT+PID=1
1397
1398 (% _mstvisible="1" style="text-align: left;" %)
1399 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1400
1401 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1402 Feature: Set device password, max 9 digits
1403
1404 (% _mstvisible="1" style="text-align: left;" %)
1405 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1406
1407 (% _mstvisible="1" %)
1408 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1409
1410 (% _mstvisible="1" %)
1411 (((
1412 (% _mstvisible="2" style="text-align: left;" %)
1413
1414
1415 (% _mstvisible="2" style="text-align: left;" %)
1416 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1417 )))
1418
1419 (% _mstvisible="1" %)
1420 (((
1421 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1422 No downlink command for this feature.
1423
1424 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1425
1426 )))
1427
1428 (% _mstvisible="1" style="text-align: left;" %)
1429 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1430
1431 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1432 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1433
1434 (% _mstvisible="1" style="text-align: left;" %)
1435 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1436
1437 (% _mstvisible="1" %)
1438 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1439
1440
1441 (% _mstvisible="1" style="text-align: left;" %)
1442 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1443
1444 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1445 No downlink command for this feature.
1446
1447
1448 (% _mstvisible="1" style="text-align: left;" %)
1449 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1450
1451 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1452 Feature: Set device to sleep mode
1453
1454 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1455 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1456
1457 (% _mstvisible="1" style="text-align: left;" %)
1458 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1459
1460 (% _mstvisible="1" %)
1461 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1462
1463 (% _mstvisible="1" %)
1464 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1465
1466 (% _mstvisible="1" %)
1467 * There is no downlink command to set to Sleep mode.
1468
1469 (% _mstvisible="1" %)
1470 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1471
1472 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1473 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1474
1475 (% _mstvisible="1" %)
1476 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1477
1478 (% _mstvisible="1" %)
1479 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1480
1481
1482 (% _mstvisible="1" %)
1483 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1484
1485 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1486 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1487
1488
1489 (% _mstvisible="1" %)
1490 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1491
1492 (% _mstvisible="1" %)
1493 (((
1494 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1495 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1496 )))
1497
1498 (% _mstvisible="1" %)
1499 (((
1500 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1501 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.
1502 )))
1503
1504 (% _mstvisible="1" %)
1505 (((
1506 (% _mstvisible="2" %)
1507 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1508 )))
1509
1510 (% _mstvisible="1" %)
1511 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1512
1513
1514 (% _mstvisible="1" %)
1515 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1516
1517 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1518 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1519
1520 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1521 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1522
1523
1524 (% _mstvisible="1" %)
1525 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1526
1527 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1528 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1529
1530 (% _mstvisible="1" %)
1531 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1532
1533 (% _mstvisible="1" %)
1534 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1535
1536
1537 (% _mstvisible="1" %)
1538 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1539
1540 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1541 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1542
1543
1544 (% _mstvisible="1" %)
1545 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1546
1547 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1548 Feature: Print the sector data from start page to stop page (max is 416 pages).
1549
1550 (% _mstvisible="1" %)
1551 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1552
1553 (% _mstvisible="1" %)
1554 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1555
1556
1557 (% _mstvisible="1" %)
1558 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1559
1560 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1561 No downlink commands for feature
1562
1563
1564 (% _mstvisible="1" %)
1565 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1566
1567 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1568 Feature: Print the last few data entries
1569
1570 (% _mstvisible="1" %)
1571 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1572
1573 (% _mstvisible="1" %)
1574 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1575
1576
1577 (% _mstvisible="1" %)
1578 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1579
1580 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1581 No downlink commands for feature
1582
1583
1584 (% _mstvisible="1" %)
1585 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1586
1587 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1588 Feature: Clear flash storage for data log feature.
1589
1590 (% _mstvisible="1" %)
1591 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1592
1593 (% _mstvisible="1" %)
1594 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1595
1596
1597 (% _mstvisible="1" %)
1598 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1599
1600 (% _mstvisible="1" %)
1601 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1602
1603 (% _mstvisible="1" %)
1604 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1605
1606 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1607 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.
1608
1609
1610 (% _mstvisible="1" %)
1611 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1612
1613 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1614 The default factory setting is 0
1615
1616 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1617 (% _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**
1618 (% _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
1619
1620 (% _mstvisible="1" %)
1621 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1622
1623 (% _mstvisible="1" %)
1624 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1625
1626 (% _mstvisible="1" %)
1627 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1628
1629 (% _mstvisible="1" %)
1630 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1631
1632 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1633 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.
1634
1635 (% _mstvisible="1" %)
1636 (((
1637 (% _mstvisible="2" %)
1638 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1639 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1640 )))
1641
1642 (% _mstvisible="1" %)
1643 (((
1644 (% _mstvisible="2" %)
1645 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1646
1647 )))
1648
1649 (% _mstvisible="1" %)
1650 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1651
1652 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1653 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.
1654
1655 (% _mstvisible="1" %)
1656 [[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"]]
1657
1658
1659 (% _mstvisible="1" %)
1660 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1661
1662 (% _mstvisible="1" %)
1663 (((
1664 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1665 (((
1666 (% _msthash="736723" _msttexthash="35479028" %)
1667 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:
1668 [[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]]
1669 )))
1670
1671 (((
1672
1673 )))
1674
1675 (((
1676 (% _msthash="736724" _msttexthash="12045098" %)
1677 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]]
1678 )))
1679
1680
1681 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1682 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1683
1684 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1685 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1686
1687 (((
1688 (% _msthash="736725" _msttexthash="9345674" %)
1689 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.
1690 )))
1691
1692 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1693
1694
1695 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1696
1697 (% _msthash="506062" _msttexthash="1187732" %)
1698 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1699
1700 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1701
1702 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1703
1704 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1705
1706
1707 (((
1708 (% _msthash="736726" _msttexthash="67213055" %)
1709 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.
1710 )))
1711
1712 (((
1713 (% _msthash="736727" _msttexthash="1907009" %)
1714 Input password and ATZ to activate LHT65N,As shown below:
1715 )))
1716
1717 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1718
1719
1720 (% _msthash="506066" _msttexthash="544869" %)
1721 AT Command List is as below:
1722
1723 (% _msthash="506067" _msttexthash="361920" %)
1724 AT+<CMD>? :  Help on <CMD>
1725
1726 (% _msthash="506068" _msttexthash="243061" %)
1727 AT+<CMD> :  Run <CMD>
1728
1729 (% _msthash="506069" _msttexthash="704197" %)
1730 AT+<CMD>=<value> :  Set the value
1731
1732 (% _msthash="506070" _msttexthash="455676" %)
1733 AT+<CMD>=? :  Get the value
1734
1735 (% _msthash="506071" _msttexthash="670553" %)
1736 AT+DEBUG:  Set more info output
1737
1738 (% _msthash="506072" _msttexthash="485888" %)
1739 ATZ:  Trig a reset of the MCU
1740
1741 (% _msthash="506073" _msttexthash="2068872" %)
1742 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1743
1744 (% _msthash="506074" _msttexthash="689169" %)
1745 AT+DEUI:  Get or Set the Device EUI
1746
1747 (% _msthash="506075" _msttexthash="960414" %)
1748 AT+DADDR:  Get or Set the Device Address
1749
1750 (% _msthash="506076" _msttexthash="1079897" %)
1751 AT+APPKEY:  Get or Set the Application Key
1752
1753 (% _msthash="506077" _msttexthash="1326143" %)
1754 AT+NWKSKEY:  Get or Set the Network Session Key
1755
1756 (% _msthash="506078" _msttexthash="1573000" %)
1757 AT+APPSKEY:  Get or Set the Application Session Key
1758
1759 (% _msthash="506079" _msttexthash="1041729" %)
1760 AT+APPEUI:  Get or Set the Application EUI
1761
1762 (% _msthash="506080" _msttexthash="2104206" %)
1763 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1764
1765 (% _msthash="506081" _msttexthash="3369288" %)
1766 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1767
1768 (% _msthash="506082" _msttexthash="1894529" %)
1769 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1770
1771 (% _msthash="506083" _msttexthash="3864172" %)
1772 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1773
1774 (% _msthash="506084" _msttexthash="1712204" %)
1775 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1776
1777 (% _msthash="506085" _msttexthash="1281202" %)
1778 AT+RX2FQ:  Get or Set the Rx2 window frequency
1779
1780 (% _msthash="506086" _msttexthash="2796781" %)
1781 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1782
1783 (% _msthash="506087" _msttexthash="3285165" %)
1784 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1785
1786 (% _msthash="506088" _msttexthash="3286179" %)
1787 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1788
1789 (% _msthash="506089" _msttexthash="4703803" %)
1790 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1791
1792 (% _msthash="506090" _msttexthash="4704999" %)
1793 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1794
1795 (% _msthash="506091" _msttexthash="1528683" %)
1796 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1797
1798 (% _msthash="506092" _msttexthash="757185" %)
1799 AT+NWKID:  Get or Set the Network ID
1800
1801 (% _msthash="506093" _msttexthash="1156597" %)
1802 AT+FCU:  Get or Set the Frame Counter Uplink
1803
1804 (% _msthash="506094" _msttexthash="1273987" %)
1805 AT+FCD:  Get or Set the Frame Counter Downlink
1806
1807 (% _msthash="506095" _msttexthash="859222" %)
1808 AT+CLASS:  Get or Set the Device Class
1809
1810 (% _msthash="506096" _msttexthash="384852" %)
1811 AT+JOIN:  Join network
1812
1813 (% _msthash="506097" _msttexthash="548626" %)
1814 AT+NJS:  Get the join status
1815
1816 (% _msthash="506098" _msttexthash="2546206" %)
1817 AT+SENDB:  Send hexadecimal data along with the application port
1818
1819 (% _msthash="506099" _msttexthash="1932307" %)
1820 AT+SEND:  Send text data along with the application port
1821
1822 (% _msthash="506100" _msttexthash="3560557" %)
1823 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1824
1825 (% _msthash="506101" _msttexthash="1429701" %)
1826 AT+RECV:  Print last received data in raw format
1827
1828 (% _msthash="506102" _msttexthash="1735981" %)
1829 AT+VER:  Get current image version and Frequency Band
1830
1831 (% _msthash="506103" _msttexthash="1189474" %)
1832 AT+CFM:  Get or Set the confirmation mode (0-1)
1833
1834 (% _msthash="506104" _msttexthash="1718210" %)
1835 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1836
1837 (% _msthash="506105" _msttexthash="1339403" %)
1838 AT+SNR:  Get the SNR of the last received packet
1839
1840 (% _msthash="506106" _msttexthash="1452009" %)
1841 AT+RSSI:  Get the RSSI of the last received packet
1842
1843 (% _msthash="506107" _msttexthash="2768142" %)
1844 AT+TDC:  Get or set the application data transmission interval in ms
1845
1846 (% _msthash="506108" _msttexthash="1083914" %)
1847 AT+PORT:  Get or set the application port
1848
1849 (% _msthash="506109" _msttexthash="622440" %)
1850 AT+DISAT:  Disable AT commands
1851
1852 (% _msthash="506110" _msttexthash="868361" %)
1853 AT+PWORD:  Set password, max 9 digits
1854
1855 (% _msthash="506111" _msttexthash="2210299" %)
1856 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1857
1858 (% _msthash="506112" _msttexthash="2113462" %)
1859 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1860
1861 (% _msthash="506113" _msttexthash="2087423" %)
1862 AT+PDTA:  Print the sector data from start page to stop page
1863
1864 (% _msthash="506114" _msttexthash="1063127" %)
1865 AT+PLDTA:  Print the last few sets of data
1866
1867 (% _msthash="506115" _msttexthash="1999426" %)
1868 AT+CLRDTA:  Clear the storage, record position back to 1st
1869
1870 (% _msthash="506116" _msttexthash="442130" %)
1871 AT+SLEEP:  Set sleep mode
1872
1873 (% _msthash="506117" _msttexthash="1080222" %)
1874 AT+EXT:  Get or Set external sensor model
1875
1876 (% _msthash="506118" _msttexthash="1309490" %)
1877 AT+BAT:  Get the current battery voltage in mV
1878
1879 (% _msthash="506119" _msttexthash="813891" %)
1880 AT+CFG:  Print all configurations
1881
1882 (% _msthash="506120" _msttexthash="551707" %)
1883 AT+WMOD:  Get or Set Work Mode
1884
1885 (% _msthash="506121" _msttexthash="2631499" %)
1886 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1887
1888 (% _msthash="506122" _msttexthash="3907150" %)
1889 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1890
1891 (% _msthash="506123" _msttexthash="854620" %)
1892 AT+SETCNT:  Set the count at present
1893
1894 (% _msthash="506124" _msttexthash="2554877" %)
1895 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1896
1897 (% _msthash="506125" _msttexthash="771849" %)
1898 AT+RPL:  Get or set response level
1899
1900 (% _msthash="506126" _msttexthash="1484314" %)
1901 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1902
1903 (% _msthash="506127" _msttexthash="741728" %)
1904 AT+LEAPSEC:  Get or Set Leap Second
1905
1906 (% _msthash="506128" _msttexthash="1694017" %)
1907 AT+SYNCMOD:  Get or Set time synchronization method
1908
1909 (% _msthash="506129" _msttexthash="2235948" %)
1910 AT+SYNCTDC:  Get or set time synchronization interval in day
1911
1912 (% _msthash="506130" _msttexthash="425542" %)
1913 AT+PID:  Get or set the PID
1914
1915
1916 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1917
1918 (% _msthash="506131" _msttexthash="14585714" %)
1919 AT commands:
1920
1921 [[image:image-20220615092034-1.png||_mstalt="428870"]]
1922
1923 (% _msthash="506132" _msttexthash="337922" %)
1924 Downlink commands:
1925
1926
1927 (% _msthash="506133" _msttexthash="33046" %)
1928 **TTN:**
1929
1930 [[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1931
1932
1933 (% _msthash="506134" _msttexthash="11113791" %)
1934 **Helium:**
1935
1936 [[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1937
1938
1939 (% _msthash="506135" _msttexthash="4159844" %)
1940 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1941
1942 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1943
1944 [[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1945
1946
1947 (% _msthash="506136" _msttexthash="39286" %)
1948 **Aws:**
1949
1950 [[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1951
1952
1953 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval?(%%) ==
1954
1955 [[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"]]
1956
1957
1958 (% _msthash="536757" _msttexthash="1874951" %)
1959 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1960
1961 [[image:image-20220615153355-1.png]]
1962
1963 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1964
1965 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1966
1967 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1968
1969 [[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1970
1971
1972 (((
1973 (% _msthash="736728" _msttexthash="67213055" %)
1974 (((
1975 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.
1976 )))
1977 )))
1978
1979 (((
1980 (% _msthash="736729" _msttexthash="1907009" %)
1981 Input password and ATZ to activate LHT65N,As shown below:
1982
1983 [[image:image-20220615154519-3.png]]
1984
1985
1986 )))
1987
1988 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1989
1990 [[image:image-20220615153355-1.png]]
1991
1992 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1993
1994 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1995
1996 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1997
1998 Use after connection, ground wire(1 < - -> GND  < - ->  Black) for 1s and then pull it out.Then restart the device.
1999
2000
2001 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2002
2003 [[image:image-20220615170542-5.png]]
2004
2005
2006 (% _msthash="506146" _msttexthash="52173160" %)
2007 (% _istranslated="1" %)**Step2**(%%):Download the LHT65N image files.
2008
2009
2010 (% _msthash="506147" _msttexthash="188083584" %)
2011 (% _istranslated="1" %)**Step3:**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2012
2013 [[image:image-20220615171334-6.png]]
2014
2015
2016 (% _istranslated="1" _mstmutation="1" %)**Step4:**(%%)Click Start
2017
2018
2019 )))
2020
2021 (% _mstvisible="1" %)
2022 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2023
2024 (% _mstvisible="1" %)
2025 (((
2026 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2027 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2028 )))
2029
2030 (% _mstvisible="1" %)
2031 (((
2032 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2033 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2034 )))
2035
2036 (% _mstvisible="1" %)
2037 * (% _mstvisible="3" %)
2038 (((
2039 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2040 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2041 )))
2042 * (% _mstvisible="3" %)
2043 (((
2044 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2045 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2046 )))
2047 * (% _mstvisible="3" %)
2048 (((
2049 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2050 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2051 )))
2052 * (% _mstvisible="3" %)
2053 (((
2054 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2055 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2056 )))
2057 * (% _mstvisible="3" %)
2058 (((
2059 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2060 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2061 )))
2062 * (% _mstvisible="3" %)
2063 (((
2064 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2065 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2066 )))
2067 * (% _mstvisible="3" %)
2068 (((
2069 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2070 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2071 )))
2072 * (% _mstvisible="3" %)
2073 (((
2074 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2075 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2076 )))
2077
2078 (% _mstvisible="1" %)
2079 (((
2080 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2081 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2082 )))
2083
2084 (% _mstvisible="1" %)
2085 * (% _mstvisible="3" %)
2086 (((
2087 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2088 (% style="color:red" %)**E3**(%%): External Temperature Probe
2089
2090
2091 )))
2092
2093 (% _mstvisible="1" %)
2094 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2095
2096 (% _mstvisible="1" %)
2097 (((
2098 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2099
2100
2101 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2102 (% _mstvisible="3" %)**Package Includes**(%%):
2103 )))
2104
2105 (% _mstvisible="1" %)
2106 * (% _mstvisible="3" %)
2107 (((
2108 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2109 LHT65N Temperature & Humidity Sensor x 1
2110 )))
2111 * (% _mstvisible="3" %)
2112 (((
2113 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2114 Optional external sensor
2115 )))
2116
2117 (% _mstvisible="1" %)
2118 (((
2119 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2120 (% _mstvisible="3" %)**Dimension and weight**(%%):
2121 )))
2122
2123 (% _mstvisible="1" %)
2124 * (% _mstvisible="3" %)
2125 (((
2126 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2127 Device Size:  10 x 10 x 3.5 cm
2128 )))
2129 * (% _mstvisible="3" %)
2130 (((
2131 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2132 Device Weight: 120.5g
2133 )))
2134
2135 (% _mstvisible="3" %)
2136 (((
2137
2138 )))
2139
2140 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2141
2142 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/home/Products_Public_Document/LoRaWAN%20End%20Node/LHT65N%20Temperature%20%26%20Humidity%20Sensor||_msthash="504975" _msttexthash="51420512"]]
2143
2144
2145
2146 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2147
2148 (% _mstvisible="1" %)
2149 (((
2150 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2151 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2152 )))
2153
2154 (% _mstvisible="1" %)
2155 (((
2156 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2157 (1) This device may not cause harmful interference;
2158 )))
2159
2160 (% _mstvisible="1" %)
2161 (((
2162 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2163 (2) this device must accept any interference received, including interference that may cause undesired operation.
2164 )))