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Version 176.1 by Xiaoling on 2022/06/21 10:05
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8 (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
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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 LHT52 Temperature & Humidity Sensor(%%) ==
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23 (((
24 (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
25
26
27 The Dragino LHT52 Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:blue" %)**built-in Temperature & Humidity sensor** (%%)and has a USB Type-C sensor connector to connect to external sensors such as external Temperature Sensor.
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29 LHT52 (% style="color:blue" %)**senses environment temperature and humidity**(%%) and send these values via long-range wireless LoRaWAN protocol. It targets professional wireless sensor network applications such as food service, smart metering, smart cities, building automation, and so on.
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31 LHT52 supports(% style="color:blue" %)** 2 x AAA batteries **(%%)and works for a long time up to several years. Use can replace the batteries easily after they are finished.
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33 LHT52 is fully compatible with LoRaWAN v1.0.3 protocol, it can work with standard LoRaWAN gateway.
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35 LHT52 supports(% style="color:blue" %)** Datalog feature** (%%)to make sure users won’t miss sensor data. It records sensor value for every uplink. These values can be retrieved by LoRaWAN server via downlink command.
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37 LHT52 supports(% style="color:blue" %)** temperature alarm feature**(%%). It can uplink alarm in a short interval while temperature exceeds preset limits.
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39 *Battery life depends how often to send data, please see [[battery analyzer>>||anchor="H4.2A0PowerConsumptionAnalyze"]].
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41 (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
42 [[image:1655774519494-861.png]]
43 )))
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46 (((
47 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
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49 )))
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51 (% _mstvisible="1" %)
52 == (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2  Features(%%) ==
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54 (% _mstvisible="1" %)
55 * Wall Attachable.
56 * LoRaWAN v1.0.3 Class A protocol.
57 * Built-in Temperature & Humidity sensor
58 * Optional External Probe
59 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
60 * AT Commands to change parameters
61 * Remote configure parameters via LoRaWAN Downlink
62 * Firmware upgradable via program port
63 * Support 2 x AAA LR03 batteries.
64 * Datalog feature
65 * IP Rating: IP52
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68 (% _mstvisible="1" %)
69 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3  Specification(%%) ==
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72 (((
73 (% _mstvisible="2" %)
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77 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
78 )))
79
80 * Resolution: 0.01 °C
81 * Accuracy Tolerance: Typ ±0.3 °C
82 * Long Term Drift: < 0.02 °C/yr
83 * Operating Range: -20 ~~ 50 °C
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87 (% _mstvisible="2" %)
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91 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
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94 * Resolution: 0.1 %RH
95 * Accuracy Tolerance: Typ ±3 %RH
96 * Long Term Drift: < 0.02 °C/yr
97 * Operating Range: 0 ~~ 99.0 %RH(no Dew)
98 )))
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100 (% _mstvisible="1" %)
101 (((
102 (% _mstvisible="2" %)
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104 )))
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106 (% _mstvisible="3" %)
107 (((
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111 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
112 == 1.4  Power Consumption ==
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114 LHT52 (without external sensor): Idle: 5uA, Transmit: max 110mA
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116 LHT52 + External Temperature Probe (AS-01): Idle: 6uA, Transmit: max 110mA.
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118
119
120 == 1.5  Storage & Operation Temperature ==
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122 -20°C to +50°C
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124
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126 == 1.6  Applications ==
127
128 * Smart Buildings & Home Automation
129 * Logistics and Supply Chain Management
130 * Smart Metering
131 * Smart Agriculture
132 * Smart Cities
133 * Smart Factory
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135
136 )))
137
138 (% _mstvisible="1" %)
139 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2.  O(%%)peration Mode =
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141 (% _mstvisible="1" %)
142 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How it work?(%%) ==
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146 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
147 Each LHT52 is shipped with a worldwide unique set of LoRaWAN OTAA keys. To use LHT52 in a LoRaWAN network, user needs to input the OTAA keys in LoRaWAN network server. After this, if LHT52 is under this LoRaWAN network coverage, LHT52 can join the LoRaWAN network and start to transmit sensor data. The default period for each uplink is** 20 minutes**.
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149 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
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151 )))
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154 (((
155 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
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157 )))
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159 (% _mstvisible="1" %)
160 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT52?(%%) ==
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162 (% style="color:red" %)** 1.  Open enclosure from below position.**
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164 [[image:image-20220621093835-1.png]]
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167 (% style="color:red" %)** 2.  Insert 2 x AAA LR03 batteries.**
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169 [[image:image-20220621093835-2.png]]
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172 (% style="color:red" %)** 3.  Press the reset button to activate device.**
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174 [[image:image-20220621093835-3.png]]
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177 User can check [[LED Status>>||anchor="H2.8A0LEDIndicator"]] to know the working state of LHT52.
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181 (% _mstvisible="1" %)
182 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
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184 This section shows an example for how to join the [[TheThingsNetwork>>url:https://www.thethingsnetwork.org/]] LoRaWAN IoT server. Usages with other LoRaWAN IoT servers are of similar procedure.
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186 (% _mstvisible="1" class="wikigeneratedid" %)
187 [[image:1655775912928-657.png]]
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189 Assume the DLOS8 is already set to connect to [[TTN V3 network >>url:https://eu1.cloud.thethings.network/]]. We need to add the LHT52 device in TTN V3 portal. 
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192 (% style="color:blue" %)**Step 1**(%%):  Create a device in TTN V3 with the OTAA keys from LHT52.
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194 Each LHT52 is shipped with a sticker with the default DEV EUI as below:
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197 [[image:image-20220617150003-1.jpeg]]
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200 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
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202 Add APP EUI in the application.
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204 choose to create the device manually.
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206 Add APP KEY and DEV EUI
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209 (% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
210 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
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212 (% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
213 [[image:1655776122894-257.png]]
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217 **Default mode OTAA**
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220 (% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
221 [[image:1655776241177-240.png]]
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225 (% style="color:blue" %)**Step 2**(%%):  Use ACT button to activate LHT52 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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227 [[image:image-20220621095134-4.png]]
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231 (% _mstvisible="1" %)
232 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
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234 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
235 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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237 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
238 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
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240 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
241 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
242 (((
243 (% _mstvisible="6" %)
244 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
245 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
246 (((
247 (% _mstvisible="6" %)
248 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
249 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
250 (((
251 (% _mstvisible="6" %)
252 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
253 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
254 (((
255 (% _mstvisible="6" %)
256 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
257 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
258 (((
259 (% _mstvisible="6" %)
260 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
261 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
262 (((
263 (% _mstvisible="6" %)
264 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
265 )))
266 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
267 (((
268 (% _mstvisible="6" %)
269 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
270 )))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
271 (((
272 (% _mstvisible="6" %)
273 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
274 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
275 (((
276 (% _mstvisible="6" %)
277 (((
278 (% _mstvisible="7" %)
279 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
280 )))
281 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
282 (((
283 (% _mstvisible="6" %)
284 (((
285 (% _mstvisible="7" %)
286 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
287 )))
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289 (% _mstvisible="6" %)
290 (((
291 (% _mstvisible="7" %)
292 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
293 )))
294 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
295 (((
296 (% _mstvisible="6" %)
297 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
298 )))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
299 (((
300 (% _mstvisible="6" %)
301 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
302 )))
303
304 (% _mstvisible="1" %)
305 * The First 6 bytes: has fix meanings for every LHT65N.
306 * The 7th byte (EXT #): defines the external sensor model.
307 * 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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309 (% _mstvisible="1" %)
310 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
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312 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
313 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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315 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
316 Below is the position to put the decoder and LHT65N decoder can be download from here:
317
318 (% _mstvisible="1" %)
319 [[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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321 (% _mstvisible="1" %)
322 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
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326 (% _mstvisible="1" %)
327 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
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329 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
330 These two bytes of BAT include the battery state and the actually voltage
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332 (% _mstvisible="1" %)
333 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
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335 (% _mstvisible="1" %)
336 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
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338 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
339 Check the battery voltage for LHT65N.
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341 (% _mstvisible="1" %)
342 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
343 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
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345 (% _mstvisible="1" %)
346 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
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348 (% _mstvisible="1" %)
349 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
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351 (% _mstvisible="1" %)
352 * Temperature:  0x0ABB/100=27.47℃
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354 (% _mstvisible="1" %)
355 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
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357 (% _mstvisible="1" %)
358 * Temperature:  (0xF5C6-65536)/100=-26.18℃
359
360 (% _mstvisible="1" %)
361 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
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363 (% _mstvisible="1" %)
364 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
365
366 (% _mstvisible="1" %)
367 * Humidity:    0x025C/10=60.4%
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369 (% _mstvisible="1" %)
370 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
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372 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
373 Bytes for External Sensor:
374
375 (% _mstvisible="1" %)
376 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
377
378
379 (% _mstvisible="1" %)
380 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
381
382 (% _mstvisible="1" %)
383 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
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385 (% _mstvisible="1" %)
386 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
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389 (% _mstvisible="1" %)
390 * DS18B20 temp=0x0ADD/100=27.81℃
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392 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
393 The last 2 bytes of data are meaningless
394
395 (% _mstvisible="1" %)
396 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
397
398
399 (% _mstvisible="1" %)
400 * External temperature= (0xF54F-65536)/100=-27.37℃
401
402 (% _mstvisible="1" %)
403 (((
404 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
405 The last 2 bytes of data are meaningless
406 )))
407
408 (% _mstvisible="1" %)
409 (((
410 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
411 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
412 )))
413
414
415 (% _mstvisible="1" %)
416 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
417
418 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
419 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:
420
421 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
422 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
423 (((
424 (% _mstvisible="6" %)
425 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
426 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
427 (((
428 (% _mstvisible="6" %)
429 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
430 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
431 (((
432 (% _mstvisible="6" %)
433 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
434 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
435 (((
436 (% _mstvisible="6" %)
437 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
438 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
439 (((
440 (% _mstvisible="6" %)
441 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
442 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
443 (((
444 (% _mstvisible="6" %)
445 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
446 )))
447 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
448 (((
449 (% _mstvisible="6" %)
450 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
451 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
452 (((
453 (% _mstvisible="6" %)
454 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
455 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
456 (((
457 (% _mstvisible="6" %)
458 (((
459 (% _mstvisible="7" %)
460 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
461 )))
462
463 (% _mstvisible="6" %)
464 (((
465 (% _mstvisible="7" %)
466 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
467 )))
468 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
469 (((
470 (% _mstvisible="6" %)
471 (((
472 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
473 BAT Status &
474 )))
475
476 (% _mstvisible="6" %)
477 (((
478 (% _mstvisible="7" %)
479 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
480 )))
481 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
482 (((
483 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
484 Status & Ext
485 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
486 (((
487 (% _mstvisible="6" %)
488 (((
489 (% _mstvisible="7" %)
490 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
491 )))
492 )))
493
494 (% _mstvisible="1" %)
495 * (% _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**
496
497 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
498 (% _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]
499 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
500 (((
501 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
502 BAT Status
503
504 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
505 00(b): Ultra Low ( BAT <= 2.50v)
506
507 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
508 01(b): Low  (2.50v <=BAT <= 2.55v)
509
510 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
511 10(b): OK   (2.55v <= BAT <=2.65v)
512
513 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
514 11(b): Good   (BAT >= 2.65v)
515 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
516 (((
517 (% _mstvisible="6" %)
518 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
519
520 (% _mstvisible="6" %)
521
522 )))
523
524 (% _mstvisible="1" %)
525 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
526
527 (% _mstvisible="1" %)
528 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
529
530 (% _mstvisible="1" %)
531 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
532 * 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.
533 * 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)
534
535 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
536
537 In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
538
539 be used to power the external ADC sensor; user can control the power on time for this
540
541 sensor by setting:
542
543 AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
544
545
546
547 (% _mstvisible="1" %)
548 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
549
550 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
551 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:
552
553 (% _mstvisible="1" %)
554 (((
555 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
556 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
557 )))
558
559 (% _mstvisible="1" %)
560 (((
561 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
562 (% _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.
563 )))
564
565 (% _mstvisible="1" %)
566 (((
567 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
568 Add Datacake:
569 )))
570
571 (% _mstvisible="1" %)
572 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
573
574
575 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
576 Select default key as Access Key:
577
578 (% _mstvisible="1" %)
579 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
580
581 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
582 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
583
584 (% _mstvisible="1" %)
585 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
586
587 (% _mstvisible="1" %)
588 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
589
590
591
592 (% _mstvisible="1" %)
593 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
594
595 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
596 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.
597
598
599 (% _mstvisible="1" %)
600 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
601
602 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
603 There are two methods:
604
605 (% _mstvisible="1" %)
606 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
607 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.
608
609 (% _mstvisible="1" %)
610 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
611
612 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
613 LHT65N uses Unix TimeStamp format based on
614
615 (% _mstvisible="1" %)
616 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
617
618
619 (% _mstvisible="1" %)
620 (((
621 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
622 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
623 )))
624
625 (% _mstvisible="1" %)
626 (((
627 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
628 Below is the converter example
629 )))
630
631 (% _mstvisible="1" %)
632 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
633
634 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
635 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
636
637
638 (% _mstvisible="1" %)
639 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
640
641 (% _mstvisible="1" %)
642 (((
643 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
644 There are two ways to set device’s time:
645 )))
646
647 (% _mstvisible="1" %)
648 (((
649 (% _mstvisible="2" %)
650 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
651 )))
652
653 (% _mstvisible="1" %)
654 (((
655 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
656 User need to set SYNCMOD=1 to enable sync time via MAC command.
657 )))
658
659 (% _mstvisible="1" %)
660 (((
661 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
662 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).
663 )))
664
665 (% _mstvisible="1" %)
666 (((
667 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
668 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.
669 )))
670
671 (% _mstvisible="1" %)
672 (((
673 (% _mstvisible="2" %)
674
675 )))
676
677 (% _mstvisible="1" %)
678 (((
679 (% _mstvisible="2" %)
680 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
681 )))
682
683 (% _mstvisible="1" %)
684 (((
685 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
686 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
687
688 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
689
690 )))
691
692 (% _mstvisible="1" %)
693 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
694
695 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
696 User can poll sensor value based on timestamps from the server. Below is the downlink command.
697
698 (% _mstvisible="1" %)
699 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
700
701 (% _mstvisible="1" %)
702 (((
703 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
704 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.
705 )))
706
707 (% _mstvisible="1" %)
708 (((
709 (% _mstvisible="2" %)
710 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
711 )))
712
713 (% _mstvisible="1" %)
714 (((
715 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
716 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
717 )))
718
719 (% _mstvisible="1" %)
720 (((
721 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
722 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
723 )))
724
725
726 (% _mstvisible="1" %)
727 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
728
729 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
730 The Datalog poll reply uplink will use below payload format.
731
732 (% _mstvisible="1" %)
733 (((
734 (% _mstvisible="2" %)
735 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
736 )))
737
738 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
739 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
740 (((
741 (% _mstvisible="6" %)
742 (((
743 (% _mstvisible="7" %)
744 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
745 )))
746 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
747 (((
748 (% _mstvisible="6" %)
749 (((
750 (% _mstvisible="7" %)
751 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
752 )))
753 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
754 (((
755 (% _mstvisible="6" %)
756 (((
757 (% _mstvisible="7" %)
758 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
759 )))
760 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
761 (((
762 (% _mstvisible="6" %)
763 (((
764 (% _mstvisible="7" %)
765 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
766 )))
767 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
768 (((
769 (% _mstvisible="6" %)
770 (((
771 (% _mstvisible="7" %)
772 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
773 )))
774 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
775 (((
776 (% _mstvisible="6" %)
777 (((
778 (% _mstvisible="7" %)
779 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
780 )))
781 )))
782 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
783 (((
784 (% _mstvisible="6" %)
785 (((
786 (% _mstvisible="7" %)
787 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
788 )))
789 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
790 (((
791 (% _mstvisible="6" %)
792 (((
793 (% _mstvisible="7" %)
794 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
795 )))
796 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
797 (((
798 (% _mstvisible="6" %)
799 (((
800 (% _mstvisible="7" %)
801 (((
802 (% _mstvisible="8" %)
803 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
804 )))
805 )))
806
807 (% _mstvisible="6" %)
808 (((
809 (% _mstvisible="7" %)
810 (((
811 (% _mstvisible="8" %)
812 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
813 )))
814 )))
815 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
816 (((
817 (% _mstvisible="6" %)
818 (((
819 (% _mstvisible="7" %)
820 (((
821 (% _mstvisible="8" %)
822 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
823 )))
824 )))
825
826 (% _mstvisible="6" %)
827 (((
828 (% _mstvisible="7" %)
829 (((
830 (% _mstvisible="8" %)
831 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
832 )))
833 )))
834 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
835 (((
836 (% _mstvisible="6" %)
837 (((
838 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
839 Poll message flag & Ext
840 )))
841 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
842 (((
843 (% _mstvisible="6" %)
844 (((
845 (% _mstvisible="7" %)
846 (((
847 (% _mstvisible="8" %)
848 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
849 )))
850 )))
851
852 (% _mstvisible="6" %)
853 (((
854 (% _mstvisible="7" %)
855 (((
856 (% _mstvisible="8" %)
857
858 )))
859 )))
860 )))
861
862 (% _mstvisible="1" %)
863 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
864
865 (% _mstvisible="1" %)
866 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
867
868 (% _mstvisible="1" %)
869 (((
870 (% _mstvisible="2" %)
871 (((
872 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
873 Poll Message Flag: 1: This message is a poll message reply.
874 )))
875 )))
876
877 (% _mstvisible="1" %)
878 * (% _mstvisible="3" %)
879 (((
880 (% _mstvisible="4" %)
881 (((
882 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
883 Poll Message Flag is set to 1.
884 )))
885 )))
886 * (% _mstvisible="3" %)
887 (((
888 (% _mstvisible="4" %)
889 (((
890 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
891 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
892 )))
893 )))
894
895 (% _mstvisible="1" %)
896 (((
897 (% _mstvisible="2" %)
898 (((
899 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
900
901
902 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
903 For example, in US915 band, the max payload for different DR is:
904 )))
905 )))
906
907 (% _mstvisible="1" %)
908 (((
909 (% _mstvisible="2" %)
910 (((
911 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
912 a) DR0: max is 11 bytes so one entry of data
913 )))
914 )))
915
916 (% _mstvisible="1" %)
917 (((
918 (% _mstvisible="2" %)
919 (((
920 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
921 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
922 )))
923 )))
924
925 (% _mstvisible="1" %)
926 (((
927 (% _mstvisible="2" %)
928 (((
929 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
930 c) DR2: total payload includes 11 entries of data
931 )))
932 )))
933
934 (% _mstvisible="1" %)
935 (((
936 (% _mstvisible="2" %)
937 (((
938 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
939 d) DR3: total payload includes 22 entries of data.
940 )))
941 )))
942
943 (% _mstvisible="1" %)
944 (((
945 (% _mstvisible="2" %)
946 (((
947 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
948 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
949 )))
950 )))
951
952
953 (% _mstvisible="1" style="text-align: left;" %)
954 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
955
956 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
957 If LHT65N has below data inside Flash:
958
959 (% _mstvisible="1" %)
960 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
961
962 (% _mstvisible="1" %)
963 (((
964 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
965 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
966 )))
967
968 (% _mstvisible="1" %)
969 (((
970 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
971 Where : Start time: 60065F97 = time 21/1/19 04:27:03
972 )))
973
974 (% _mstvisible="1" %)
975 (((
976 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
977 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
978 )))
979
980 (% _mstvisible="1" %)
981 (((
982 (% _mstvisible="2" %)
983
984 )))
985
986 (% _mstvisible="1" %)
987 (((
988 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
989 LHT65N will uplink this payload.
990 )))
991
992 (% _mstvisible="1" %)
993 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
994
995 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
996 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
997
998 (% _msthash="315237" _msttexthash="1385839" %)
999 Where the first 11 bytes is for the first entry:
1000
1001 (% _msthash="315238" _msttexthash="274846" %)
1002 7FFF089801464160065F97
1003
1004 (% _msthash="315239" _msttexthash="617435" %)
1005 Ext sensor data=0x7FFF/100=327.67
1006
1007 (% _msthash="315240" _msttexthash="270543" %)
1008 Temp=0x0898/100=22.00
1009
1010 (% _msthash="315241" _msttexthash="211783" %)
1011 Hum=0x0146/10=32.6
1012
1013 (% _msthash="315242" _msttexthash="1569776" %)
1014 poll message flag & Ext=0x41,means reply data,Ext=1
1015
1016 (% _msthash="315243" _msttexthash="1120509" %)
1017 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1018
1019
1020 (% _mstvisible="1" style="text-align: left;" %)
1021 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1022
1023 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1024 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.
1025
1026 (% _mstvisible="1" %)
1027 (((
1028 (% _mstvisible="2" style="text-align: left;" %)
1029 (% _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.
1030 )))
1031
1032 (% _mstvisible="1" style="text-align: left;" %)
1033 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1034
1035 (% _mstvisible="1" class="box infomessage" %)
1036 (((
1037 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1038 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1039
1040 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1041 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1042
1043 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1044 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1045
1046 (% _mstvisible="2" style="text-align: left;" %)
1047 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1048
1049 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1050 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1051 )))
1052
1053
1054
1055 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1056 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1057
1058 (% _mstvisible="1" %)
1059 (((
1060 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1061 The LHT65 has a triple color LED which for easy showing different stage .
1062
1063 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1064 While user press ACT button, the LED will work as per LED status with ACT button.
1065 )))
1066
1067 (% _mstvisible="1" %)
1068 (((
1069 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1070 In a normal working state:
1071 )))
1072
1073 (% _mstvisible="1" %)
1074 * (% _mstvisible="3" %)
1075 (((
1076 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1077 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1078
1079 (% _msthash="197771" _msttexthash="1202526" %)
1080 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1081 )))
1082 * (% _mstvisible="3" %)
1083 (((
1084 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1085 RED LED when external sensor is not connected
1086 )))
1087 * (% _mstvisible="3" %)
1088 (((
1089 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1090 For each success downlink, the PURPLE LED will blink once
1091
1092
1093
1094 )))
1095
1096 (% _mstvisible="1" style="text-align: left;" %)
1097 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1098
1099 (% _mstvisible="1" %)
1100 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1101
1102
1103 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1104 = (% _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(%%) =
1105
1106 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1107 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1108
1109 [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1110
1111 1m long breakout cable for LHT65N
1112
1113 [[image:image-20220619092421-3.png||height="371" width="529"]]
1114
1115
1116
1117 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1118 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1119
1120 (% _mstvisible="1" %)
1121 [[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"]]
1122
1123
1124 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1125 Temperature sensor with 2 meters cable long
1126
1127 (% _mstvisible="1" %)
1128 * Resolution: 0.0625 °C
1129 * ±0.5°C accuracy from -10°C to +85°C
1130 * ±2°C accuracy from -55°C to +125°C
1131 * Operating Range: -40 ~~ 125 °C
1132 * -55°C to 125°C
1133 * Working voltage 2.35v ~~ 5v
1134
1135 (% _mstvisible="1" style="text-align: left;" %)
1136 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1137
1138 (% _mstvisible="1" %)
1139 (((
1140 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1141 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1142 )))
1143
1144 (% _mstvisible="1" %)
1145 * (% _mstvisible="3" %)
1146 (((
1147 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1148 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1149 )))
1150 * (% _mstvisible="3" %)
1151 (((
1152 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1153 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1154 )))
1155
1156 (% _mstvisible="1" %)
1157 (((
1158 (% _mstvisible="2" style="text-align: left;" %)
1159
1160 )))
1161
1162 (% _mstvisible="1" %)
1163 (((
1164 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1165 There are two kinds of commands to configure LHT65N, they are:
1166 )))
1167
1168 (% _mstvisible="1" %)
1169 (((
1170 (% _mstvisible="2" style="text-align: left;" %)
1171 (% _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" %).
1172 )))
1173
1174 (% _mstvisible="1" %)
1175 (((
1176 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1177 These commands are to configure:
1178 )))
1179
1180 (% _mstvisible="1" %)
1181 * (% _mstvisible="3" %)
1182 (((
1183 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1184 General system settings like: uplink interval.
1185 )))
1186 * (% _mstvisible="3" %)
1187 (((
1188 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1189 LoRaWAN protocol & radio-related commands.
1190 )))
1191
1192 (% _mstvisible="1" %)
1193 (((
1194 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1195 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]]
1196 )))
1197
1198 (% _mstvisible="1" %)
1199 (((
1200 (% _mstvisible="2" style="text-align: left;" %)
1201
1202 )))
1203
1204 (% _mstvisible="1" %)
1205 (((
1206 (% _mstvisible="2" style="text-align: left;" %)
1207 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1208 )))
1209
1210 (% _mstvisible="1" %)
1211 (((
1212 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1213 These commands are only valid for LHT65N, as below:
1214
1215
1216 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1217
1218 )))
1219
1220 (% _mstvisible="1" style="text-align: left;" %)
1221 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1222
1223 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1224 Feature: Change LoRaWAN End Node Transmit Interval.
1225
1226 (% _mstvisible="1" style="text-align: left;" %)
1227 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1228
1229 (% _mstvisible="1" %)
1230 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1231
1232 (% _mstvisible="1" %)
1233 (((
1234 (% _mstvisible="2" style="text-align: left;" %)
1235
1236
1237 (% _mstvisible="2" style="text-align: left;" %)
1238 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1239 )))
1240
1241 (% _mstvisible="1" %)
1242 (((
1243 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1244 Format: Command Code (0x01) followed by 3 bytes time value.
1245 )))
1246
1247 (% _mstvisible="1" %)
1248 (((
1249 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1250 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1251 )))
1252
1253 (% _mstvisible="1" %)
1254 * (% _mstvisible="3" %)
1255 (((
1256 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1257 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1258 )))
1259 * (% _mstvisible="3" %)
1260 (((
1261 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1262 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1263
1264
1265 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1266
1267 )))
1268
1269 (% _mstvisible="1" style="text-align: left;" %)
1270 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1271
1272 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1273 Feature: Change External Sensor Mode.
1274
1275 (% _mstvisible="1" style="text-align: left;" %)
1276 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1277
1278 (% _mstvisible="1" %)
1279 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1280
1281 (% _mstvisible="1" %)
1282 (((
1283 (% _mstvisible="2" style="text-align: left;" %)
1284
1285
1286 (% _mstvisible="2" style="text-align: left;" %)
1287 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1288 )))
1289
1290 (% _mstvisible="1" %)
1291 (((
1292 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1293 Total bytes: 2 ~~ 5 bytes
1294 )))
1295
1296 (% _mstvisible="1" %)
1297 (((
1298 (% _mstvisible="2" %)
1299 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1300 )))
1301
1302 (% _mstvisible="1" %)
1303 * (% _mstvisible="3" %)
1304 (((
1305 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1306 0xA201: Set external sensor type to E1
1307 )))
1308 * (% _mstvisible="3" %)
1309 (((
1310 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1311 0xA209: Same as AT+EXT=9
1312 )))
1313 * (% _mstvisible="3" %)
1314 (((
1315 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1316 0xA20702003c,Same as AT+SETCNT=60
1317
1318
1319 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1320
1321 )))
1322
1323 (% _mstvisible="1" style="text-align: left;" %)
1324 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1325
1326 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1327 Feature: If PID is enabled, device will send the temperature probe ID on:
1328
1329 (% _mstvisible="1" %)
1330 * First Packet after OTAA Join
1331 * Every 24 hours since the first packet.
1332
1333 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1334 PID is default set to disable (0)
1335
1336 (% _mstvisible="1" style="text-align: left;" %)
1337 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1338
1339 (% _mstvisible="1" %)
1340 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1341
1342
1343 (% _mstvisible="1" style="text-align: left;" %)
1344 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1345
1346 (% _mstvisible="1" %)
1347 * 0xA800  **~-~->** AT+PID=0
1348 * 0xA801     **~-~->** AT+PID=1
1349
1350 (% _mstvisible="1" style="text-align: left;" %)
1351 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1352
1353 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1354 Feature: Set device password, max 9 digits
1355
1356 (% _mstvisible="1" style="text-align: left;" %)
1357 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1358
1359 (% _mstvisible="1" %)
1360 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1361
1362 (% _mstvisible="1" %)
1363 (((
1364 (% _mstvisible="2" style="text-align: left;" %)
1365
1366
1367 (% _mstvisible="2" style="text-align: left;" %)
1368 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1369 )))
1370
1371 (% _mstvisible="1" %)
1372 (((
1373 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1374 No downlink command for this feature.
1375
1376 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1377
1378 )))
1379
1380 (% _mstvisible="1" style="text-align: left;" %)
1381 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1382
1383 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1384 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1385
1386 (% _mstvisible="1" style="text-align: left;" %)
1387 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1388
1389 (% _mstvisible="1" %)
1390 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1391
1392
1393 (% _mstvisible="1" style="text-align: left;" %)
1394 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1395
1396 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1397 No downlink command for this feature.
1398
1399
1400 (% _mstvisible="1" style="text-align: left;" %)
1401 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1402
1403 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1404 Feature: Set device to sleep mode
1405
1406 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1407 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1408
1409 (% _mstvisible="1" style="text-align: left;" %)
1410 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1411
1412 (% _mstvisible="1" %)
1413 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1414
1415 (% _mstvisible="1" %)
1416 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1417
1418 (% _mstvisible="1" %)
1419 * There is no downlink command to set to Sleep mode.
1420
1421 (% _mstvisible="1" %)
1422 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1423
1424 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1425 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1426
1427 (% _mstvisible="1" %)
1428 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1429
1430 (% _mstvisible="1" %)
1431 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1432
1433
1434 (% _mstvisible="1" %)
1435 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1436
1437 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1438 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1439
1440
1441 (% _mstvisible="1" %)
1442 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1443
1444 (% _mstvisible="1" %)
1445 (((
1446 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1447 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1448 )))
1449
1450 (% _mstvisible="1" %)
1451 (((
1452 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1453 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.
1454 )))
1455
1456 (% _mstvisible="1" %)
1457 (((
1458 (% _mstvisible="2" %)
1459 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1460 )))
1461
1462 (% _mstvisible="1" %)
1463 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1464
1465
1466 (% _mstvisible="1" %)
1467 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1468
1469 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1470 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1471
1472 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1473 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1474
1475
1476 (% _mstvisible="1" %)
1477 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1478
1479 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1480 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1481
1482 (% _mstvisible="1" %)
1483 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1484
1485 (% _mstvisible="1" %)
1486 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1487
1488
1489 (% _mstvisible="1" %)
1490 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1491
1492 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1493 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1494
1495
1496 (% _mstvisible="1" %)
1497 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1498
1499 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1500 Feature: Print the sector data from start page to stop page (max is 416 pages).
1501
1502 (% _mstvisible="1" %)
1503 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1504
1505 (% _mstvisible="1" %)
1506 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1507
1508
1509 (% _mstvisible="1" %)
1510 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1511
1512 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1513 No downlink commands for feature
1514
1515
1516 (% _mstvisible="1" %)
1517 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1518
1519 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1520 Feature: Print the last few data entries
1521
1522 (% _mstvisible="1" %)
1523 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1524
1525 (% _mstvisible="1" %)
1526 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1527
1528
1529 (% _mstvisible="1" %)
1530 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1531
1532 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1533 No downlink commands for feature
1534
1535
1536 (% _mstvisible="1" %)
1537 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1538
1539 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1540 Feature: Clear flash storage for data log feature.
1541
1542 (% _mstvisible="1" %)
1543 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1544
1545 (% _mstvisible="1" %)
1546 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1547
1548
1549 (% _mstvisible="1" %)
1550 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1551
1552 (% _mstvisible="1" %)
1553 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1554
1555 (% _mstvisible="1" %)
1556 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1557
1558 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1559 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.
1560
1561
1562 (% _mstvisible="1" %)
1563 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1564
1565 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1566 The default factory setting is 0
1567
1568 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1569 (% _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**
1570 (% _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
1571
1572 (% _mstvisible="1" %)
1573 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1574
1575 (% _mstvisible="1" %)
1576 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1577
1578 (% _mstvisible="1" %)
1579 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1580
1581 (% _mstvisible="1" %)
1582 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1583
1584 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1585 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.
1586
1587 (% _mstvisible="1" %)
1588 (((
1589 (% _mstvisible="2" %)
1590 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1591 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1592 )))
1593
1594 (% _mstvisible="1" %)
1595 (((
1596 (% _mstvisible="2" %)
1597 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1598
1599 )))
1600
1601 (% _mstvisible="1" %)
1602 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1603
1604 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1605 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.
1606
1607 (% _mstvisible="1" %)
1608 [[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"]]
1609
1610
1611 (% _mstvisible="1" %)
1612 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1613
1614 (% _mstvisible="1" %)
1615 (((
1616 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1617 (((
1618 (% _msthash="736723" _msttexthash="35479028" %)
1619 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:
1620 [[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]]
1621 )))
1622
1623 (((
1624
1625 )))
1626
1627 (((
1628 (% _msthash="736724" _msttexthash="12045098" %)
1629 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]]
1630 )))
1631
1632
1633 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1634 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1635
1636 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1637 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1638
1639 (((
1640 (% _msthash="736725" _msttexthash="9345674" %)
1641 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.
1642 )))
1643
1644 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1645
1646
1647 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1648
1649 (% _msthash="506062" _msttexthash="1187732" %)
1650 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1651
1652 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1653
1654 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1655
1656 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1657
1658
1659 (((
1660 (% _msthash="736726" _msttexthash="67213055" %)
1661 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.
1662 )))
1663
1664 (((
1665 (% _msthash="736727" _msttexthash="1907009" %)
1666 Input password and ATZ to activate LHT65N,As shown below:
1667 )))
1668
1669 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1670
1671
1672 (% _msthash="506066" _msttexthash="544869" %)
1673 AT Command List is as below:
1674
1675 (% _msthash="506067" _msttexthash="361920" %)
1676 AT+<CMD>? :  Help on <CMD>
1677
1678 (% _msthash="506068" _msttexthash="243061" %)
1679 AT+<CMD> :  Run <CMD>
1680
1681 (% _msthash="506069" _msttexthash="704197" %)
1682 AT+<CMD>=<value> :  Set the value
1683
1684 (% _msthash="506070" _msttexthash="455676" %)
1685 AT+<CMD>=? :  Get the value
1686
1687 (% _msthash="506071" _msttexthash="670553" %)
1688 AT+DEBUG:  Set more info output
1689
1690 (% _msthash="506072" _msttexthash="485888" %)
1691 ATZ:  Trig a reset of the MCU
1692
1693 (% _msthash="506073" _msttexthash="2068872" %)
1694 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1695
1696 (% _msthash="506074" _msttexthash="689169" %)
1697 AT+DEUI:  Get or Set the Device EUI
1698
1699 (% _msthash="506075" _msttexthash="960414" %)
1700 AT+DADDR:  Get or Set the Device Address
1701
1702 (% _msthash="506076" _msttexthash="1079897" %)
1703 AT+APPKEY:  Get or Set the Application Key
1704
1705 (% _msthash="506077" _msttexthash="1326143" %)
1706 AT+NWKSKEY:  Get or Set the Network Session Key
1707
1708 (% _msthash="506078" _msttexthash="1573000" %)
1709 AT+APPSKEY:  Get or Set the Application Session Key
1710
1711 (% _msthash="506079" _msttexthash="1041729" %)
1712 AT+APPEUI:  Get or Set the Application EUI
1713
1714 (% _msthash="506080" _msttexthash="2104206" %)
1715 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1716
1717 (% _msthash="506081" _msttexthash="3369288" %)
1718 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1719
1720 (% _msthash="506082" _msttexthash="1894529" %)
1721 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1722
1723 (% _msthash="506083" _msttexthash="3864172" %)
1724 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1725
1726 (% _msthash="506084" _msttexthash="1712204" %)
1727 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1728
1729 (% _msthash="506085" _msttexthash="1281202" %)
1730 AT+RX2FQ:  Get or Set the Rx2 window frequency
1731
1732 (% _msthash="506086" _msttexthash="2796781" %)
1733 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1734
1735 (% _msthash="506087" _msttexthash="3285165" %)
1736 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1737
1738 (% _msthash="506088" _msttexthash="3286179" %)
1739 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1740
1741 (% _msthash="506089" _msttexthash="4703803" %)
1742 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1743
1744 (% _msthash="506090" _msttexthash="4704999" %)
1745 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1746
1747 (% _msthash="506091" _msttexthash="1528683" %)
1748 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1749
1750 (% _msthash="506092" _msttexthash="757185" %)
1751 AT+NWKID:  Get or Set the Network ID
1752
1753 (% _msthash="506093" _msttexthash="1156597" %)
1754 AT+FCU:  Get or Set the Frame Counter Uplink
1755
1756 (% _msthash="506094" _msttexthash="1273987" %)
1757 AT+FCD:  Get or Set the Frame Counter Downlink
1758
1759 (% _msthash="506095" _msttexthash="859222" %)
1760 AT+CLASS:  Get or Set the Device Class
1761
1762 (% _msthash="506096" _msttexthash="384852" %)
1763 AT+JOIN:  Join network
1764
1765 (% _msthash="506097" _msttexthash="548626" %)
1766 AT+NJS:  Get the join status
1767
1768 (% _msthash="506098" _msttexthash="2546206" %)
1769 AT+SENDB:  Send hexadecimal data along with the application port
1770
1771 (% _msthash="506099" _msttexthash="1932307" %)
1772 AT+SEND:  Send text data along with the application port
1773
1774 (% _msthash="506100" _msttexthash="3560557" %)
1775 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1776
1777 (% _msthash="506101" _msttexthash="1429701" %)
1778 AT+RECV:  Print last received data in raw format
1779
1780 (% _msthash="506102" _msttexthash="1735981" %)
1781 AT+VER:  Get current image version and Frequency Band
1782
1783 (% _msthash="506103" _msttexthash="1189474" %)
1784 AT+CFM:  Get or Set the confirmation mode (0-1)
1785
1786 (% _msthash="506104" _msttexthash="1718210" %)
1787 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1788
1789 (% _msthash="506105" _msttexthash="1339403" %)
1790 AT+SNR:  Get the SNR of the last received packet
1791
1792 (% _msthash="506106" _msttexthash="1452009" %)
1793 AT+RSSI:  Get the RSSI of the last received packet
1794
1795 (% _msthash="506107" _msttexthash="2768142" %)
1796 AT+TDC:  Get or set the application data transmission interval in ms
1797
1798 (% _msthash="506108" _msttexthash="1083914" %)
1799 AT+PORT:  Get or set the application port
1800
1801 (% _msthash="506109" _msttexthash="622440" %)
1802 AT+DISAT:  Disable AT commands
1803
1804 (% _msthash="506110" _msttexthash="868361" %)
1805 AT+PWORD:  Set password, max 9 digits
1806
1807 (% _msthash="506111" _msttexthash="2210299" %)
1808 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1809
1810 (% _msthash="506112" _msttexthash="2113462" %)
1811 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1812
1813 (% _msthash="506113" _msttexthash="2087423" %)
1814 AT+PDTA:  Print the sector data from start page to stop page
1815
1816 (% _msthash="506114" _msttexthash="1063127" %)
1817 AT+PLDTA:  Print the last few sets of data
1818
1819 (% _msthash="506115" _msttexthash="1999426" %)
1820 AT+CLRDTA:  Clear the storage, record position back to 1st
1821
1822 (% _msthash="506116" _msttexthash="442130" %)
1823 AT+SLEEP:  Set sleep mode
1824
1825 (% _msthash="506117" _msttexthash="1080222" %)
1826 AT+EXT:  Get or Set external sensor model
1827
1828 (% _msthash="506118" _msttexthash="1309490" %)
1829 AT+BAT:  Get the current battery voltage in mV
1830
1831 (% _msthash="506119" _msttexthash="813891" %)
1832 AT+CFG:  Print all configurations
1833
1834 (% _msthash="506120" _msttexthash="551707" %)
1835 AT+WMOD:  Get or Set Work Mode
1836
1837 (% _msthash="506121" _msttexthash="2631499" %)
1838 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1839
1840 (% _msthash="506122" _msttexthash="3907150" %)
1841 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1842
1843 (% _msthash="506123" _msttexthash="854620" %)
1844 AT+SETCNT:  Set the count at present
1845
1846 (% _msthash="506124" _msttexthash="2554877" %)
1847 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1848
1849 (% _msthash="506125" _msttexthash="771849" %)
1850 AT+RPL:  Get or set response level
1851
1852 (% _msthash="506126" _msttexthash="1484314" %)
1853 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1854
1855 (% _msthash="506127" _msttexthash="741728" %)
1856 AT+LEAPSEC:  Get or Set Leap Second
1857
1858 (% _msthash="506128" _msttexthash="1694017" %)
1859 AT+SYNCMOD:  Get or Set time synchronization method
1860
1861 (% _msthash="506129" _msttexthash="2235948" %)
1862 AT+SYNCTDC:  Get or set time synchronization interval in day
1863
1864 (% _msthash="506130" _msttexthash="425542" %)
1865 AT+PID:  Get or set the PID
1866
1867
1868 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1869
1870 (% _msthash="506131" _msttexthash="14585714" %)
1871 AT commands：
1872
1873 [[image:image-20220620153708-1.png||height="603" width="723"]]
1874
1875 (% _msthash="506132" _msttexthash="337922" %)
1876 Downlink commands:
1877
1878
1879 (% _msthash="506133" _msttexthash="33046" %)
1880 **TTN:**
1881
1882 [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1883
1884
1885 (% _msthash="506134" _msttexthash="11113791" %)
1886 **Helium：**
1887
1888 [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1889
1890
1891 (% _msthash="506135" _msttexthash="4159844" %)
1892 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1893
1894 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1895
1896 [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1897
1898
1899 (% _msthash="506136" _msttexthash="39286" %)
1900 **Aws:**
1901
1902 [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1903
1904
1905 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1906
1907 [[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"]]
1908
1909
1910 (% _msthash="536757" _msttexthash="1874951" %)
1911 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1912
1913 [[image:image-20220615153355-1.png]]
1914
1915 [[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1916
1917 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1918
1919 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1920
1921 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1922
1923
1924 To switch from download mode to command mode, press reset key
1925
1926
1927 (((
1928 (% _msthash="736728" _msttexthash="67213055" %)
1929 (((
1930 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.
1931 )))
1932 )))
1933
1934 (((
1935 (% _msthash="736729" _msttexthash="1907009" %)
1936 Input password and ATZ to activate LHT65N,As shown below:
1937
1938 [[image:image-20220615154519-3.png||height="672" width="807"]]
1939
1940
1941 )))
1942
1943 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1944
1945
1946 [[image:image-20220615153355-1.png]]
1947
1948 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1949
1950 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1951
1952 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1953
1954 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1955
1956 [[image:image-20220620160241-6.jpeg||height="428" width="571"]]
1957
1958 Press reset after connecting the 4boot cable to enter the download mode.
1959
1960 [[image:image-20220620160516-7.png||height="435" width="435"]]
1961
1962
1963 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
1964
1965 [[image:image-20220615170542-5.png]]
1966
1967
1968 (% _msthash="506146" _msttexthash="52173160" %)
1969 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
1970
1971
1972 (% _msthash="506147" _msttexthash="188083584" %)
1973 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
1974
1975 [[image:image-20220615171334-6.png]]
1976
1977
1978 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
1979
1980 [[image:image-20220620160723-8.png]]
1981 )))
1982
1983 (% _mstvisible="1" %)
1984 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
1985
1986 (% _mstvisible="1" %)
1987 (((
1988 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
1989 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
1990 )))
1991
1992 (% _mstvisible="1" %)
1993 (((
1994 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
1995 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
1996 )))
1997
1998 (% _mstvisible="1" %)
1999 * (% _mstvisible="3" %)
2000 (((
2001 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2002 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2003 )))
2004 * (% _mstvisible="3" %)
2005 (((
2006 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2007 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2008 )))
2009 * (% _mstvisible="3" %)
2010 (((
2011 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2012 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2013 )))
2014 * (% _mstvisible="3" %)
2015 (((
2016 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2017 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2018 )))
2019 * (% _mstvisible="3" %)
2020 (((
2021 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2022 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2023 )))
2024 * (% _mstvisible="3" %)
2025 (((
2026 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2027 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2028 )))
2029 * (% _mstvisible="3" %)
2030 (((
2031 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2032 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2033 )))
2034 * (% _mstvisible="3" %)
2035 (((
2036 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2037 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2038 )))
2039
2040 (% _mstvisible="1" %)
2041 (((
2042 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2043 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2044 )))
2045
2046 (% _mstvisible="1" %)
2047 * (% _mstvisible="3" %)
2048 (((
2049 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2050 (% style="color:red" %)**E3**(%%): External Temperature Probe
2051
2052
2053 )))
2054
2055 (% _mstvisible="1" %)
2056 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2057
2058 (% _mstvisible="1" %)
2059 (((
2060 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2061
2062
2063 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2064 (% _mstvisible="3" %)**Package Includes**(%%):
2065 )))
2066
2067 (% _mstvisible="1" %)
2068 * (% _mstvisible="3" %)
2069 (((
2070 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2071 LHT65N Temperature & Humidity Sensor x 1
2072 )))
2073 * (% _mstvisible="3" %)
2074 (((
2075 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2076 Optional external sensor
2077 )))
2078
2079 (% _mstvisible="1" %)
2080 (((
2081 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2082 (% _mstvisible="3" %)**Dimension and weight**(%%):
2083 )))
2084
2085 (% _mstvisible="1" %)
2086 * (% _mstvisible="3" %)
2087 (((
2088 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2089 Device Size:  10 x 10 x 3.5 cm
2090 )))
2091 * (% _mstvisible="3" %)
2092 (((
2093 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2094 Device Weight: 120.5g
2095 )))
2096
2097 (% _mstvisible="3" %)
2098 (((
2099
2100 )))
2101
2102 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2103
2104 * [[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"]]
2105
2106 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2107
2108 (% _mstvisible="1" %)
2109 (((
2110 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2111 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2112 )))
2113
2114 (% _mstvisible="1" %)
2115 (((
2116 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2117 (1) This device may not cause harmful interference；
2118 )))
2119
2120 (% _mstvisible="1" %)
2121 (((
2122 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2123 (2) this device must accept any interference received, including interference that may cause undesired operation.
2124 )))