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Version 145.1 by Bei Jinggeng on 2022/06/15 17:28
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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(%%) ==
21
22 (% _mstvisible="1" %)
23 (((
24 (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
25 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" %)**.**
26 )))
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28 (% _mstvisible="1" %)
29 (((
30 (% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %)
31 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.
32 )))
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34 (% _mstvisible="1" %)
35 (((
36 (% _msthash="506053" _msttexthash="4298047" _mstvisible="2" %)
37 LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
38 )))
39
40 (% _mstvisible="1" %)
41 (((
42 (% _msthash="506054" _msttexthash="6016374" _mstvisible="2" %)
43 LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
44 )))
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46 (% _mstvisible="1" %)
47 (((
48 (% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %)
49 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.
50 )))
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52 (% _mstvisible="1" %)
53 (((
54 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
55 *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
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57 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
58
59 )))
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61 (% _mstvisible="1" %)
62 == (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
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64 (% _mstvisible="1" %)
65 * Wall mountable
66 * LoRaWAN v1.0.3 Class A protocol
67 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
68 * AT Commands to change parameters
69 * Remote configure parameters via LoRaWAN Downlink
70 * Firmware upgradeable via program port
71 * Built-in 2400mAh battery for up to 10 years of use.
72 * Built-in Temperature & Humidity sensor
73 * Optional External Sensors
74 * Tri-color LED to indicate working status
75 * Datalog feature
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77 (% _mstvisible="1" %)
78 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
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81 (((
82 (% _mstvisible="2" %)
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86 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
87 )))
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89 (% _mstvisible="1" %)
90 * (% _mstvisible="3" %)
91 (((
92 (% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
93 Resolution: 0.01 °C
94 )))
95 * (% _mstvisible="3" %)
96 (((
97 (% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
98 Accuracy Tolerance : Typ ±0.3 °C
99 )))
100 * (% _mstvisible="3" %)
101 (((
102 (% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
103 Long Term Drift: < 0.02 °C/yr
104 )))
105 * (% _mstvisible="3" %)
106 (((
107 (% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
108 Operating Range: -40 ~~ 85 °C
109 )))
110
111 (% _mstvisible="1" %)
112 (((
113 (% _mstvisible="2" %)
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116 (% _mstvisible="2" %)
117 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
118 )))
119
120 (% _mstvisible="1" %)
121 * (% _mstvisible="3" %)
122 (((
123 (% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
124 Resolution: 0.04 %RH
125 )))
126 * (% _mstvisible="3" %)
127 (((
128 (% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
129 Accuracy Tolerance : Typ ±3 %RH
130 )))
131 * (% _mstvisible="3" %)
132 (((
133 (% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
134 Long Term Drift: < 0.02 °C/yr
135 )))
136 * (% _mstvisible="3" %)
137 (((
138 (% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
139 Operating Range: 0 ~~ 96 %RH
140 )))
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142 (% _mstvisible="1" %)
143 (((
144 (% _mstvisible="2" %)
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147 (% _mstvisible="2" %)
148 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
149 )))
150
151 (% _mstvisible="1" %)
152 * (% _mstvisible="3" %)
153 (((
154 (% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
155 Resolution: 0.0625 °C
156 )))
157 * (% _mstvisible="3" %)
158 (((
159 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
160 ±0.5°C accuracy from -10°C to +85°C
161 )))
162 * (% _mstvisible="3" %)
163 (((
164 (% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
165 ±2°C accuracy from -55°C to +125°C
166 )))
167 * (% _mstvisible="3" %)
168 (((
169 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
170 Operating Range: -55 °C ~~ 125 °C
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173 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
174
175 )))
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177 (% _mstvisible="1" %)
178 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
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180 (% _mstvisible="1" %)
181 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
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184 (((
185 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
186 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.
187 )))
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189 (% _mstvisible="1" %)
190 (((
191 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
192 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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194 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
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196 )))
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198 (% _mstvisible="1" %)
199 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
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201 (% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
202 The LHT65N has two working modes:
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205 * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
206 * **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, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
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208 (% _mstvisible="1" %)
209 (((
210 (% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
211 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
212 )))
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214 (% _mstvisible="1" %)
215 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
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217 (% _mstvisible="1" %)
218 [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
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221 (% _mstvisible="1" %)
222 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
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224 (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
225 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.
226
227 (% _mstvisible="1" class="wikigeneratedid" %)
228 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
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230 (% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
231 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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234 (% _mstvisible="1" %)
235 === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
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237 (% _msthash="315242" _msttexthash="1601782" _mstvisible="1" %)
238 Create a device in TTN V3 with the OTAA keys from LHT65N.
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240 (% _msthash="315243" _msttexthash="3694444" _mstvisible="1" %)
241 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
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243 (% _mstvisible="1" %)
244 [[image:image-20220522232812-2.png||_mstalt="428467" _mstvisible="3" height="219" width="279"]]
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246 (% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
247 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
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249 (% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
250 Add APP EUI in the application.
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252 (% _mstvisible="1" %)
253 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
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255 (% _mstvisible="1" %)
256 [[image:image-20220522232932-4.png||_mstalt="430157" _mstvisible="3"]]
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258 (% _mstvisible="1" %)
259 [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
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261 (% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
262 Note: LHT65N use same payload as LHT65.
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264 (% _mstvisible="1" %)
265 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
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268 (% _msthash="315247" _msttexthash="595543" _mstvisible="1" %)
269 Input APP EUI,  APP KEY and DEV EUI:
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271 (% _mstvisible="1" %)
272 [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
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276 (% _mstvisible="1" %)
277 === (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
278
279 (% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
280 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.
281
282 (% _mstvisible="1" %)
283 [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
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287 (% _mstvisible="1" %)
288 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
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290 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
291 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.
292
293 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
294 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
295
296 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
297 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
298 (((
299 (% _mstvisible="6" %)
300 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
301 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
302 (((
303 (% _mstvisible="6" %)
304 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
305 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
306 (((
307 (% _mstvisible="6" %)
308 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
309 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
310 (((
311 (% _mstvisible="6" %)
312 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
313 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
314 (((
315 (% _mstvisible="6" %)
316 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
317 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
318 (((
319 (% _mstvisible="6" %)
320 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
321 )))
322 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
323 (((
324 (% _mstvisible="6" %)
325 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
326 )))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
327 (((
328 (% _mstvisible="6" %)
329 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
330 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
331 (((
332 (% _mstvisible="6" %)
333 (((
334 (% _mstvisible="7" %)
335 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
336 )))
337 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
338 (((
339 (% _mstvisible="6" %)
340 (((
341 (% _mstvisible="7" %)
342 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
343 )))
344
345 (% _mstvisible="6" %)
346 (((
347 (% _mstvisible="7" %)
348 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
349 )))
350 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
351 (((
352 (% _mstvisible="6" %)
353 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
354 )))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
355 (((
356 (% _mstvisible="6" %)
357 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
358 )))
359
360 (% _mstvisible="1" %)
361 * The First 6 bytes: has fix meanings for every LHT65N.
362 * The 7th byte (EXT #): defines the external sensor model.
363 * 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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365 (% _mstvisible="1" %)
366 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
367
368 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
369 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.
370
371 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
372 Below is the position to put the decoder and LHT65N decoder can be download from here:
373
374 (% _mstvisible="1" %)
375 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
376
377 (% _mstvisible="1" %)
378 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
379
380
381
382 (% _mstvisible="1" %)
383 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
384
385 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
386 These two bytes of BAT include the battery state and the actually voltage
387
388 (% _mstvisible="1" %)
389 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
390
391 (% _mstvisible="1" %)
392 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
393
394 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
395 Check the battery voltage for LHT65N.
396
397 (% _mstvisible="1" %)
398 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
399 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
400
401 (% _mstvisible="1" %)
402 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
403
404 (% _mstvisible="1" %)
405 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
406
407 (% _mstvisible="1" %)
408 * Temperature:  0x0ABB/100=27.47℃
409
410 (% _mstvisible="1" %)
411 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
412
413 (% _mstvisible="1" %)
414 * Temperature:  (0xF5C6-65536)/100=-26.18℃
415
416 (% _mstvisible="1" %)
417 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
418
419 (% _mstvisible="1" %)
420 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
421
422 (% _mstvisible="1" %)
423 * Humidity:    0x025C/10=60.4%
424
425 (% _mstvisible="1" %)
426 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
427
428 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
429 Bytes for External Sensor:
430
431 (% _mstvisible="1" %)
432 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
433
434
435 (% _mstvisible="1" %)
436 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
437
438 (% _mstvisible="1" %)
439 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
440
441 (% _mstvisible="1" %)
442 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
443
444
445 (% _mstvisible="1" %)
446 * DS18B20 temp=0x0ADD/100=27.81℃
447
448 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
449 The last 2 bytes of data are meaningless
450
451 (% _mstvisible="1" %)
452 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
453
454
455 (% _mstvisible="1" %)
456 * External temperature= (0xF54F-65536)/100=-27.37℃
457
458 (% _mstvisible="1" %)
459 (((
460 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
461 The last 2 bytes of data are meaningless
462 )))
463
464 (% _mstvisible="1" %)
465 (((
466 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
467 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
468 )))
469
470
471
472 (% _mstvisible="1" %)
473 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
474
475 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
476 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:
477
478 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
479 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
480 (((
481 (% _mstvisible="6" %)
482 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
483 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
484 (((
485 (% _mstvisible="6" %)
486 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
487 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
488 (((
489 (% _mstvisible="6" %)
490 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
491 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
492 (((
493 (% _mstvisible="6" %)
494 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
495 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
496 (((
497 (% _mstvisible="6" %)
498 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
499 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
500 (((
501 (% _mstvisible="6" %)
502 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
503 )))
504 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
505 (((
506 (% _mstvisible="6" %)
507 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
508 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
509 (((
510 (% _mstvisible="6" %)
511 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
512 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
513 (((
514 (% _mstvisible="6" %)
515 (((
516 (% _mstvisible="7" %)
517 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
518 )))
519
520 (% _mstvisible="6" %)
521 (((
522 (% _mstvisible="7" %)
523 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
524 )))
525 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
526 (((
527 (% _mstvisible="6" %)
528 (((
529 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
530 BAT Status &
531 )))
532
533 (% _mstvisible="6" %)
534 (((
535 (% _mstvisible="7" %)
536 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
537 )))
538 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
539 (((
540 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
541 Status & Ext
542 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
543 (((
544 (% _mstvisible="6" %)
545 (((
546 (% _mstvisible="7" %)
547 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
548 )))
549 )))
550
551 (% _mstvisible="1" %)
552 * (% _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**
553
554 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
555 (% _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]
556 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
557 (((
558 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
559 BAT Status
560
561 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
562 00(b): Ultra Low ( BAT <= 2.50v)
563
564 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
565 01(b): Low  (2.50v <=BAT <= 2.55v)
566
567 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
568 10(b): OK   (2.55v <= BAT <=2.65v)
569
570 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
571 11(b): Good   (BAT >= 2.65v)
572 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
573 (((
574 (% _mstvisible="6" %)
575 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
576
577 (% _mstvisible="6" %)
578
579 )))
580
581 (% _mstvisible="1" %)
582 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
583
584 (% _mstvisible="1" %)
585 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
586
587 (% _mstvisible="1" %)
588 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
589 * 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.
590 * 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)
591
592 (% _mstvisible="1" %)
593 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
594
595 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
596 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:
597
598 (% _mstvisible="1" %)
599 (((
600 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
601 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
602 )))
603
604 (% _mstvisible="1" %)
605 (((
606 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
607 (% _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.
608 )))
609
610 (% _mstvisible="1" %)
611 (((
612 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
613 Add Datacake:
614 )))
615
616 (% _mstvisible="1" %)
617 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
618
619
620 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
621 Select default key as Access Key:
622
623 (% _mstvisible="1" %)
624 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
625
626 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
627 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
628
629 (% _mstvisible="1" %)
630 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
631
632 (% _mstvisible="1" %)
633 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
634
635
636
637 (% _mstvisible="1" %)
638 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
639
640 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
641 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.
642
643
644 (% _mstvisible="1" %)
645 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
646
647 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
648 There are two methods:
649
650 (% _mstvisible="1" %)
651 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
652 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.
653
654 (% _mstvisible="1" %)
655 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
656
657 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
658 LHT65N uses Unix TimeStamp format based on
659
660 (% _mstvisible="1" %)
661 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
662
663
664 (% _mstvisible="1" %)
665 (((
666 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
667 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
668 )))
669
670 (% _mstvisible="1" %)
671 (((
672 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
673 Below is the converter example
674 )))
675
676 (% _mstvisible="1" %)
677 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
678
679 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
680 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
681
682
683 (% _mstvisible="1" %)
684 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
685
686 (% _mstvisible="1" %)
687 (((
688 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
689 There are two ways to set device’s time:
690 )))
691
692 (% _mstvisible="1" %)
693 (((
694 (% _mstvisible="2" %)
695 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
696 )))
697
698 (% _mstvisible="1" %)
699 (((
700 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
701 User need to set SYNCMOD=1 to enable sync time via MAC command.
702 )))
703
704 (% _mstvisible="1" %)
705 (((
706 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
707 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).
708 )))
709
710 (% _mstvisible="1" %)
711 (((
712 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
713 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.
714 )))
715
716 (% _mstvisible="1" %)
717 (((
718 (% _mstvisible="2" %)
719
720 )))
721
722 (% _mstvisible="1" %)
723 (((
724 (% _mstvisible="2" %)
725 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
726 )))
727
728 (% _mstvisible="1" %)
729 (((
730 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
731 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
732
733 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
734
735 )))
736
737 (% _mstvisible="1" %)
738 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
739
740 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
741 User can poll sensor value based on timestamps from the server. Below is the downlink command.
742
743 (% _mstvisible="1" %)
744 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
745
746 (% _mstvisible="1" %)
747 (((
748 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
749 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.
750 )))
751
752 (% _mstvisible="1" %)
753 (((
754 (% _mstvisible="2" %)
755 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
756 )))
757
758 (% _mstvisible="1" %)
759 (((
760 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
761 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
762 )))
763
764 (% _mstvisible="1" %)
765 (((
766 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
767 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
768 )))
769
770
771 (% _mstvisible="1" %)
772 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
773
774 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
775 The Datalog poll reply uplink will use below payload format.
776
777 (% _mstvisible="1" %)
778 (((
779 (% _mstvisible="2" %)
780 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
781 )))
782
783 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
784 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
785 (((
786 (% _mstvisible="6" %)
787 (((
788 (% _mstvisible="7" %)
789 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
790 )))
791 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
792 (((
793 (% _mstvisible="6" %)
794 (((
795 (% _mstvisible="7" %)
796 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
797 )))
798 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
799 (((
800 (% _mstvisible="6" %)
801 (((
802 (% _mstvisible="7" %)
803 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
804 )))
805 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
806 (((
807 (% _mstvisible="6" %)
808 (((
809 (% _mstvisible="7" %)
810 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
811 )))
812 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
813 (((
814 (% _mstvisible="6" %)
815 (((
816 (% _mstvisible="7" %)
817 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
818 )))
819 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
820 (((
821 (% _mstvisible="6" %)
822 (((
823 (% _mstvisible="7" %)
824 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
825 )))
826 )))
827 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
828 (((
829 (% _mstvisible="6" %)
830 (((
831 (% _mstvisible="7" %)
832 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
833 )))
834 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
835 (((
836 (% _mstvisible="6" %)
837 (((
838 (% _mstvisible="7" %)
839 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
840 )))
841 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
842 (((
843 (% _mstvisible="6" %)
844 (((
845 (% _mstvisible="7" %)
846 (((
847 (% _mstvisible="8" %)
848 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
849 )))
850 )))
851
852 (% _mstvisible="6" %)
853 (((
854 (% _mstvisible="7" %)
855 (((
856 (% _mstvisible="8" %)
857 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
858 )))
859 )))
860 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
861 (((
862 (% _mstvisible="6" %)
863 (((
864 (% _mstvisible="7" %)
865 (((
866 (% _mstvisible="8" %)
867 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
868 )))
869 )))
870
871 (% _mstvisible="6" %)
872 (((
873 (% _mstvisible="7" %)
874 (((
875 (% _mstvisible="8" %)
876 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
877 )))
878 )))
879 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
880 (((
881 (% _mstvisible="6" %)
882 (((
883 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
884 Poll message flag & Ext
885 )))
886 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
887 (((
888 (% _mstvisible="6" %)
889 (((
890 (% _mstvisible="7" %)
891 (((
892 (% _mstvisible="8" %)
893 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
894 )))
895 )))
896
897 (% _mstvisible="6" %)
898 (((
899 (% _mstvisible="7" %)
900 (((
901 (% _mstvisible="8" %)
902
903 )))
904 )))
905 )))
906
907 (% _mstvisible="1" %)
908 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
909
910 (% _mstvisible="1" %)
911 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
912
913 (% _mstvisible="1" %)
914 (((
915 (% _mstvisible="2" %)
916 (((
917 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
918 Poll Message Flag: 1: This message is a poll message reply.
919 )))
920 )))
921
922 (% _mstvisible="1" %)
923 * (% _mstvisible="3" %)
924 (((
925 (% _mstvisible="4" %)
926 (((
927 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
928 Poll Message Flag is set to 1.
929 )))
930 )))
931 * (% _mstvisible="3" %)
932 (((
933 (% _mstvisible="4" %)
934 (((
935 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
936 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
937 )))
938 )))
939
940 (% _mstvisible="1" %)
941 (((
942 (% _mstvisible="2" %)
943 (((
944 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
945
946
947 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
948 For example, in US915 band, the max payload for different DR is:
949 )))
950 )))
951
952 (% _mstvisible="1" %)
953 (((
954 (% _mstvisible="2" %)
955 (((
956 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
957 a) DR0: max is 11 bytes so one entry of data
958 )))
959 )))
960
961 (% _mstvisible="1" %)
962 (((
963 (% _mstvisible="2" %)
964 (((
965 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
966 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
967 )))
968 )))
969
970 (% _mstvisible="1" %)
971 (((
972 (% _mstvisible="2" %)
973 (((
974 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
975 c) DR2: total payload includes 11 entries of data
976 )))
977 )))
978
979 (% _mstvisible="1" %)
980 (((
981 (% _mstvisible="2" %)
982 (((
983 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
984 d) DR3: total payload includes 22 entries of data.
985 )))
986 )))
987
988 (% _mstvisible="1" %)
989 (((
990 (% _mstvisible="2" %)
991 (((
992 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
993 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
994 )))
995 )))
996
997
998 (% _mstvisible="1" style="text-align: left;" %)
999 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1000
1001 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1002 If LHT65N has below data inside Flash:
1003
1004 (% _mstvisible="1" %)
1005 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1006
1007 (% _mstvisible="1" %)
1008 (((
1009 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1010 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1011 )))
1012
1013 (% _mstvisible="1" %)
1014 (((
1015 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1016 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1017 )))
1018
1019 (% _mstvisible="1" %)
1020 (((
1021 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1022 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1023 )))
1024
1025 (% _mstvisible="1" %)
1026 (((
1027 (% _mstvisible="2" %)
1028
1029 )))
1030
1031 (% _mstvisible="1" %)
1032 (((
1033 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1034 LHT65N will uplink this payload.
1035 )))
1036
1037 (% _mstvisible="1" %)
1038 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1039
1040 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1041 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1042
1043 (% _msthash="315237" _msttexthash="1385839" %)
1044 Where the first 11 bytes is for the first entry:
1045
1046 (% _msthash="315238" _msttexthash="274846" %)
1047 7FFF089801464160065F97
1048
1049 (% _msthash="315239" _msttexthash="617435" %)
1050 Ext sensor data=0x7FFF/100=327.67
1051
1052 (% _msthash="315240" _msttexthash="270543" %)
1053 Temp=0x0898/100=22.00
1054
1055 (% _msthash="315241" _msttexthash="211783" %)
1056 Hum=0x0146/10=32.6
1057
1058 (% _msthash="315242" _msttexthash="1569776" %)
1059 poll message flag & Ext=0x41,means reply data,Ext=1
1060
1061 (% _msthash="315243" _msttexthash="1120509" %)
1062 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1063
1064
1065 (% _mstvisible="1" style="text-align: left;" %)
1066 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1067
1068 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1069 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.
1070
1071 (% _mstvisible="1" %)
1072 (((
1073 (% _mstvisible="2" style="text-align: left;" %)
1074 (% _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.
1075 )))
1076
1077 (% _mstvisible="1" style="text-align: left;" %)
1078 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1079
1080 (% _mstvisible="1" class="box infomessage" %)
1081 (((
1082 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1083 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%): Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1084
1085 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1086 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%): The interval between checking the alarm temperature. (In minutes)
1087
1088 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1089 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%): Gets or sets the alarm range of the internal temperature sensor
1090
1091 (% _mstvisible="2" style="text-align: left;" %)
1092 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%): Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1093
1094 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1095 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%): Set the internal temperature sensor alarm range from 45 to 105.
1096 )))
1097
1098
1099
1100 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1101 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1102
1103 (% _mstvisible="1" %)
1104 (((
1105 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1106 The LHT65 has a triple color LED which for easy showing different stage .
1107
1108 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1109 While user press ACT button, the LED will work as per LED status with ACT button.
1110 )))
1111
1112 (% _mstvisible="1" %)
1113 (((
1114 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1115 In a normal working state:
1116 )))
1117
1118 (% _mstvisible="1" %)
1119 * (% _mstvisible="3" %)
1120 (((
1121 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1122 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1123
1124 (% _msthash="197771" _msttexthash="1202526" %)
1125 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1126 )))
1127 * (% _mstvisible="3" %)
1128 (((
1129 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1130 RED LED when external sensor is not connected
1131 )))
1132 * (% _mstvisible="3" %)
1133 (((
1134 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1135 For each success downlink, the PURPLE LED will blink once
1136
1137
1138
1139
1140 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
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" style="text-align: left;" %)
1155 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1156
1157 (% _mstvisible="1" %)
1158 [[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"]]
1159
1160
1161 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1162 Temperature sensor with 2 meters cable long
1163
1164 (% _mstvisible="1" %)
1165 * Resolution: 0.0625 °C
1166 * ±0.5°C accuracy from -10°C to +85°C
1167 * ±2°C accuracy from -55°C to +125°C
1168 * Operating Range: -40 ~~ 125 °C
1169 * -55°C to 125°C
1170 * Working voltage 2.35v ~~ 5v
1171
1172 (% _mstvisible="1" style="text-align: left;" %)
1173 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1174
1175 (% _mstvisible="1" %)
1176 (((
1177 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1178 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1179 )))
1180
1181 (% _mstvisible="1" %)
1182 * (% _mstvisible="3" %)
1183 (((
1184 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1185 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1186 )))
1187 * (% _mstvisible="3" %)
1188 (((
1189 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1190 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1191 )))
1192
1193 (% _mstvisible="1" %)
1194 (((
1195 (% _mstvisible="2" style="text-align: left;" %)
1196
1197 )))
1198
1199 (% _mstvisible="1" %)
1200 (((
1201 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1202 There are two kinds of commands to configure LHT65N, they are:
1203 )))
1204
1205 (% _mstvisible="1" %)
1206 (((
1207 (% _mstvisible="2" style="text-align: left;" %)
1208 (% _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" %).
1209 )))
1210
1211 (% _mstvisible="1" %)
1212 (((
1213 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1214 These commands are to configure:
1215 )))
1216
1217 (% _mstvisible="1" %)
1218 * (% _mstvisible="3" %)
1219 (((
1220 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1221 General system settings like: uplink interval.
1222 )))
1223 * (% _mstvisible="3" %)
1224 (((
1225 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1226 LoRaWAN protocol & radio-related commands.
1227 )))
1228
1229 (% _mstvisible="1" %)
1230 (((
1231 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1232 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]]
1233 )))
1234
1235 (% _mstvisible="1" %)
1236 (((
1237 (% _mstvisible="2" style="text-align: left;" %)
1238
1239 )))
1240
1241 (% _mstvisible="1" %)
1242 (((
1243 (% _mstvisible="2" style="text-align: left;" %)
1244 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506054" _msttexthash="792038" %)**Commands special design for LHT65N**
1245 )))
1246
1247 (% _mstvisible="1" %)
1248 (((
1249 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1250 These commands are only valid for LHT65N, as below:
1251
1252
1253 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1254
1255 )))
1256
1257 (% _mstvisible="1" style="text-align: left;" %)
1258 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1259
1260 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1261 Feature: Change LoRaWAN End Node Transmit Interval.
1262
1263 (% _mstvisible="1" style="text-align: left;" %)
1264 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1265
1266 (% _mstvisible="1" %)
1267 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1268
1269 (% _mstvisible="1" %)
1270 (((
1271 (% _mstvisible="2" style="text-align: left;" %)
1272
1273
1274 (% _mstvisible="2" style="text-align: left;" %)
1275 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1276 )))
1277
1278 (% _mstvisible="1" %)
1279 (((
1280 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1281 Format: Command Code (0x01) followed by 3 bytes time value.
1282 )))
1283
1284 (% _mstvisible="1" %)
1285 (((
1286 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1287 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1288 )))
1289
1290 (% _mstvisible="1" %)
1291 * (% _mstvisible="3" %)
1292 (((
1293 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1294 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1295 )))
1296 * (% _mstvisible="3" %)
1297 (((
1298 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1299 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1300
1301
1302 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1303
1304 )))
1305
1306 (% _mstvisible="1" style="text-align: left;" %)
1307 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1308
1309 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1310 Feature: Change External Sensor Mode.
1311
1312 (% _mstvisible="1" style="text-align: left;" %)
1313 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1314
1315 (% _mstvisible="1" %)
1316 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1317
1318 (% _mstvisible="1" %)
1319 (((
1320 (% _mstvisible="2" style="text-align: left;" %)
1321
1322
1323 (% _mstvisible="2" style="text-align: left;" %)
1324 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1325 )))
1326
1327 (% _mstvisible="1" %)
1328 (((
1329 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1330 Total bytes: 2 ~~ 5 bytes
1331 )))
1332
1333 (% _mstvisible="1" %)
1334 (((
1335 (% _mstvisible="2" %)
1336 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1337 )))
1338
1339 (% _mstvisible="1" %)
1340 * (% _mstvisible="3" %)
1341 (((
1342 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1343 0xA201: Set external sensor type to E1
1344 )))
1345 * (% _mstvisible="3" %)
1346 (((
1347 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1348 0xA209: Same as AT+EXT=9
1349 )))
1350 * (% _mstvisible="3" %)
1351 (((
1352 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1353 0xA20702003c,Same as AT+SETCNT=60
1354
1355
1356 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1357
1358 )))
1359
1360 (% _mstvisible="1" style="text-align: left;" %)
1361 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1362
1363 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1364 Feature: If PID is enabled, device will send the temperature probe ID on:
1365
1366 (% _mstvisible="1" %)
1367 * First Packet after OTAA Join
1368 * Every 24 hours since the first packet.
1369
1370 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1371 PID is default set to disable (0)
1372
1373 (% _mstvisible="1" style="text-align: left;" %)
1374 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1375
1376 (% _mstvisible="1" %)
1377 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1378
1379
1380 (% _mstvisible="1" style="text-align: left;" %)
1381 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1382
1383 (% _mstvisible="1" %)
1384 * 0xA800  **~-~->** AT+PID=0
1385 * 0xA801     **~-~->** AT+PID=1
1386
1387 (% _mstvisible="1" style="text-align: left;" %)
1388 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1389
1390 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1391 Feature: Set device password, max 9 digits
1392
1393 (% _mstvisible="1" style="text-align: left;" %)
1394 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1395
1396 (% _mstvisible="1" %)
1397 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1398
1399 (% _mstvisible="1" %)
1400 (((
1401 (% _mstvisible="2" style="text-align: left;" %)
1402
1403
1404 (% _mstvisible="2" style="text-align: left;" %)
1405 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1406 )))
1407
1408 (% _mstvisible="1" %)
1409 (((
1410 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1411 No downlink command for this feature.
1412
1413 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1414
1415 )))
1416
1417 (% _mstvisible="1" style="text-align: left;" %)
1418 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1419
1420 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1421 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1422
1423 (% _mstvisible="1" style="text-align: left;" %)
1424 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1425
1426 (% _mstvisible="1" %)
1427 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1428
1429
1430 (% _mstvisible="1" style="text-align: left;" %)
1431 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1432
1433 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1434 No downlink command for this feature.
1435
1436
1437 (% _mstvisible="1" style="text-align: left;" %)
1438 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1439
1440 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1441 Feature: Set device to sleep mode
1442
1443 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1444 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1445
1446 (% _mstvisible="1" style="text-align: left;" %)
1447 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1448
1449 (% _mstvisible="1" %)
1450 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1451
1452 (% _mstvisible="1" %)
1453 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1454
1455 (% _mstvisible="1" %)
1456 * There is no downlink command to set to Sleep mode.
1457
1458 (% _mstvisible="1" %)
1459 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1460
1461 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1462 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1463
1464 (% _mstvisible="1" %)
1465 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1466
1467 (% _mstvisible="1" %)
1468 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1469
1470
1471 (% _mstvisible="1" %)
1472 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1473
1474 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1475 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1476
1477
1478 (% _mstvisible="1" %)
1479 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1480
1481 (% _mstvisible="1" %)
1482 (((
1483 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1484 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1485 )))
1486
1487 (% _mstvisible="1" %)
1488 (((
1489 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1490 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.
1491 )))
1492
1493 (% _mstvisible="1" %)
1494 (((
1495 (% _mstvisible="2" %)
1496 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1497 )))
1498
1499 (% _mstvisible="1" %)
1500 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1501
1502
1503 (% _mstvisible="1" %)
1504 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1505
1506 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1507 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1508
1509 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1510 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1511
1512
1513 (% _mstvisible="1" %)
1514 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1515
1516 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1517 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1518
1519 (% _mstvisible="1" %)
1520 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1521
1522 (% _mstvisible="1" %)
1523 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1524
1525
1526 (% _mstvisible="1" %)
1527 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1528
1529 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1530 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1531
1532
1533 (% _mstvisible="1" %)
1534 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1535
1536 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1537 Feature: Print the sector data from start page to stop page (max is 416 pages).
1538
1539 (% _mstvisible="1" %)
1540 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1541
1542 (% _mstvisible="1" %)
1543 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1544
1545
1546 (% _mstvisible="1" %)
1547 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1548
1549 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1550 No downlink commands for feature
1551
1552
1553 (% _mstvisible="1" %)
1554 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1555
1556 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1557 Feature: Print the last few data entries
1558
1559 (% _mstvisible="1" %)
1560 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1561
1562 (% _mstvisible="1" %)
1563 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1564
1565
1566 (% _mstvisible="1" %)
1567 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1568
1569 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1570 No downlink commands for feature
1571
1572
1573 (% _mstvisible="1" %)
1574 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1575
1576 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1577 Feature: Clear flash storage for data log feature.
1578
1579 (% _mstvisible="1" %)
1580 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1581
1582 (% _mstvisible="1" %)
1583 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1584
1585
1586 (% _mstvisible="1" %)
1587 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1588
1589 (% _mstvisible="1" %)
1590 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1591
1592 (% _mstvisible="1" %)
1593 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1594
1595 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1596 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.
1597
1598
1599 (% _mstvisible="1" %)
1600 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1601
1602 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1603 The default factory setting is 0
1604
1605 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1606 (% _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**
1607 (% _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
1608
1609 (% _mstvisible="1" %)
1610 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1611
1612 (% _mstvisible="1" %)
1613 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1614
1615 (% _mstvisible="1" %)
1616 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1617
1618 (% _mstvisible="1" %)
1619 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1620
1621 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1622 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.
1623
1624 (% _mstvisible="1" %)
1625 (((
1626 (% _mstvisible="2" %)
1627 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1628 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1629 )))
1630
1631 (% _mstvisible="1" %)
1632 (((
1633 (% _mstvisible="2" %)
1634 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1635
1636 )))
1637
1638 (% _mstvisible="1" %)
1639 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1640
1641 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1642 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.
1643
1644 (% _mstvisible="1" %)
1645 [[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"]]
1646
1647 (% _mstvisible="1" %)
1648 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1649
1650 (% _mstvisible="1" %)
1651 (((
1652 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1653 (((
1654 (% _msthash="736723" _msttexthash="35479028" %)
1655 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:
1656 [[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]]
1657 )))
1658
1659 (((
1660
1661 )))
1662
1663 (((
1664 (% _msthash="736724" _msttexthash="12045098" %)
1665 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]]
1666 )))
1667
1668
1669 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1670 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1671
1672 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1673 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1674
1675 (((
1676 (% _msthash="736725" _msttexthash="9345674" %)
1677 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.
1678 )))
1679
1680 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1681
1682
1683 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1684
1685 (% _msthash="506062" _msttexthash="1187732" %)
1686 ✓** USB to TTL GND <~-~->GND**
1687
1688 (% _msthash="506063" _msttexthash="1158313" %)**✓ USB to TTL RXD <~-~-> D+**
1689
1690 (% _msthash="506064" _msttexthash="1175629" %)**✓ USB to TTL TXD <~-~-> A11**
1691
1692 (% _msthash="506065" _msttexthash="1164696" %)**✓ USB to TTL 3.3V <~-~-> D-**
1693
1694
1695 (((
1696 (% _msthash="736726" _msttexthash="67213055" %)
1697 In PC, User needs to set serial tool(such as **putty**, SecureCRT) baud rate to **9600** to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:**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.
1698 )))
1699
1700 (((
1701 (% _msthash="736727" _msttexthash="1907009" %)
1702 Input password and ATZ to activate LHT65N,As shown below:
1703 )))
1704
1705 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1706
1707
1708 (% _msthash="506066" _msttexthash="544869" %)
1709 AT Command List is as below:
1710
1711 (% _msthash="506067" _msttexthash="361920" %)
1712 AT+<CMD>? :  Help on <CMD>
1713
1714 (% _msthash="506068" _msttexthash="243061" %)
1715 AT+<CMD> :  Run <CMD>
1716
1717 (% _msthash="506069" _msttexthash="704197" %)
1718 AT+<CMD>=<value> :  Set the value
1719
1720 (% _msthash="506070" _msttexthash="455676" %)
1721 AT+<CMD>=? :  Get the value
1722
1723 (% _msthash="506071" _msttexthash="670553" %)
1724 AT+DEBUG:  Set more info output
1725
1726 (% _msthash="506072" _msttexthash="485888" %)
1727 ATZ:  Trig a reset of the MCU
1728
1729 (% _msthash="506073" _msttexthash="2068872" %)
1730 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1731
1732 (% _msthash="506074" _msttexthash="689169" %)
1733 AT+DEUI:  Get or Set the Device EUI
1734
1735 (% _msthash="506075" _msttexthash="960414" %)
1736 AT+DADDR:  Get or Set the Device Address
1737
1738 (% _msthash="506076" _msttexthash="1079897" %)
1739 AT+APPKEY:  Get or Set the Application Key
1740
1741 (% _msthash="506077" _msttexthash="1326143" %)
1742 AT+NWKSKEY:  Get or Set the Network Session Key
1743
1744 (% _msthash="506078" _msttexthash="1573000" %)
1745 AT+APPSKEY:  Get or Set the Application Session Key
1746
1747 (% _msthash="506079" _msttexthash="1041729" %)
1748 AT+APPEUI:  Get or Set the Application EUI
1749
1750 (% _msthash="506080" _msttexthash="2104206" %)
1751 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1752
1753 (% _msthash="506081" _msttexthash="3369288" %)
1754 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1755
1756 (% _msthash="506082" _msttexthash="1894529" %)
1757 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1758
1759 (% _msthash="506083" _msttexthash="3864172" %)
1760 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1761
1762 (% _msthash="506084" _msttexthash="1712204" %)
1763 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1764
1765 (% _msthash="506085" _msttexthash="1281202" %)
1766 AT+RX2FQ:  Get or Set the Rx2 window frequency
1767
1768 (% _msthash="506086" _msttexthash="2796781" %)
1769 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1770
1771 (% _msthash="506087" _msttexthash="3285165" %)
1772 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1773
1774 (% _msthash="506088" _msttexthash="3286179" %)
1775 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1776
1777 (% _msthash="506089" _msttexthash="4703803" %)
1778 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1779
1780 (% _msthash="506090" _msttexthash="4704999" %)
1781 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1782
1783 (% _msthash="506091" _msttexthash="1528683" %)
1784 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1785
1786 (% _msthash="506092" _msttexthash="757185" %)
1787 AT+NWKID:  Get or Set the Network ID
1788
1789 (% _msthash="506093" _msttexthash="1156597" %)
1790 AT+FCU:  Get or Set the Frame Counter Uplink
1791
1792 (% _msthash="506094" _msttexthash="1273987" %)
1793 AT+FCD:  Get or Set the Frame Counter Downlink
1794
1795 (% _msthash="506095" _msttexthash="859222" %)
1796 AT+CLASS:  Get or Set the Device Class
1797
1798 (% _msthash="506096" _msttexthash="384852" %)
1799 AT+JOIN:  Join network
1800
1801 (% _msthash="506097" _msttexthash="548626" %)
1802 AT+NJS:  Get the join status
1803
1804 (% _msthash="506098" _msttexthash="2546206" %)
1805 AT+SENDB:  Send hexadecimal data along with the application port
1806
1807 (% _msthash="506099" _msttexthash="1932307" %)
1808 AT+SEND:  Send text data along with the application port
1809
1810 (% _msthash="506100" _msttexthash="3560557" %)
1811 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1812
1813 (% _msthash="506101" _msttexthash="1429701" %)
1814 AT+RECV:  Print last received data in raw format
1815
1816 (% _msthash="506102" _msttexthash="1735981" %)
1817 AT+VER:  Get current image version and Frequency Band
1818
1819 (% _msthash="506103" _msttexthash="1189474" %)
1820 AT+CFM:  Get or Set the confirmation mode (0-1)
1821
1822 (% _msthash="506104" _msttexthash="1718210" %)
1823 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1824
1825 (% _msthash="506105" _msttexthash="1339403" %)
1826 AT+SNR:  Get the SNR of the last received packet
1827
1828 (% _msthash="506106" _msttexthash="1452009" %)
1829 AT+RSSI:  Get the RSSI of the last received packet
1830
1831 (% _msthash="506107" _msttexthash="2768142" %)
1832 AT+TDC:  Get or set the application data transmission interval in ms
1833
1834 (% _msthash="506108" _msttexthash="1083914" %)
1835 AT+PORT:  Get or set the application port
1836
1837 (% _msthash="506109" _msttexthash="622440" %)
1838 AT+DISAT:  Disable AT commands
1839
1840 (% _msthash="506110" _msttexthash="868361" %)
1841 AT+PWORD:  Set password, max 9 digits
1842
1843 (% _msthash="506111" _msttexthash="2210299" %)
1844 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1845
1846 (% _msthash="506112" _msttexthash="2113462" %)
1847 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1848
1849 (% _msthash="506113" _msttexthash="2087423" %)
1850 AT+PDTA:  Print the sector data from start page to stop page
1851
1852 (% _msthash="506114" _msttexthash="1063127" %)
1853 AT+PLDTA:  Print the last few sets of data
1854
1855 (% _msthash="506115" _msttexthash="1999426" %)
1856 AT+CLRDTA:  Clear the storage, record position back to 1st
1857
1858 (% _msthash="506116" _msttexthash="442130" %)
1859 AT+SLEEP:  Set sleep mode
1860
1861 (% _msthash="506117" _msttexthash="1080222" %)
1862 AT+EXT:  Get or Set external sensor model
1863
1864 (% _msthash="506118" _msttexthash="1309490" %)
1865 AT+BAT:  Get the current battery voltage in mV
1866
1867 (% _msthash="506119" _msttexthash="813891" %)
1868 AT+CFG:  Print all configurations
1869
1870 (% _msthash="506120" _msttexthash="551707" %)
1871 AT+WMOD:  Get or Set Work Mode
1872
1873 (% _msthash="506121" _msttexthash="2631499" %)
1874 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1875
1876 (% _msthash="506122" _msttexthash="3907150" %)
1877 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1878
1879 (% _msthash="506123" _msttexthash="854620" %)
1880 AT+SETCNT:  Set the count at present
1881
1882 (% _msthash="506124" _msttexthash="2554877" %)
1883 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1884
1885 (% _msthash="506125" _msttexthash="771849" %)
1886 AT+RPL:  Get or set response level
1887
1888 (% _msthash="506126" _msttexthash="1484314" %)
1889 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1890
1891 (% _msthash="506127" _msttexthash="741728" %)
1892 AT+LEAPSEC:  Get or Set Leap Second
1893
1894 (% _msthash="506128" _msttexthash="1694017" %)
1895 AT+SYNCMOD:  Get or Set time synchronization method
1896
1897 (% _msthash="506129" _msttexthash="2235948" %)
1898 AT+SYNCTDC:  Get or set time synchronization interval in day
1899
1900 (% _msthash="506130" _msttexthash="425542" %)
1901 AT+PID:  Get or set the PID
1902
1903
1904 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1905
1906 (% _msthash="506131" _msttexthash="14585714" %)
1907 AT commands：
1908
1909 [[image:image-20220615092034-1.png||_mstalt="428870"]]
1910
1911 (% _msthash="506132" _msttexthash="337922" %)
1912 Downlink commands:
1913
1914 (% _msthash="506133" _msttexthash="33046" %)
1915 TTN:
1916
1917 [[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1918
1919 (% _msthash="506134" _msttexthash="11113791" %)
1920 Helium：
1921
1922 [[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1923
1924 (% _msthash="506135" _msttexthash="4159844" %)
1925 Chirpstack:The downlink window will not be displayed until the network is accessed
1926
1927 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1928
1929 [[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1930
1931 (% _msthash="506136" _msttexthash="39286" %)
1932 Aws:
1933
1934 [[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1935
1936 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1937
1938 [[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"]]
1939
1940 (% _msthash="536757" _msttexthash="1874951" %)
1941 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1942
1943 [[image:image-20220615153355-1.png]]
1944
1945 (% _msthash="506138" _msttexthash="243997" %)
1946 1 < - -> GND  < - ->  Black
1947
1948 (% _msthash="506139" _msttexthash="257166" %)
1949 5 < - ->  RXD  < - ->  White
1950
1951 (% _msthash="506140" _msttexthash="253799" %)
1952 9 < - ->  TXD  < - ->  Green
1953
1954 [[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1955
1956 (((
1957 (% _msthash="736728" _msttexthash="67213055" %)
1958 In PC, User needs to set serial tool(such as **putty**, SecureCRT) baud rate to **9600** to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:**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.
1959 )))
1960
1961 (((
1962 (% _msthash="736729" _msttexthash="1907009" %)
1963 Input password and ATZ to activate LHT65N,As shown below:
1964
1965 [[image:image-20220615154519-3.png]]
1966
1967
1968 )))
1969
1970 (% _msthash="536758" _msttexthash="1832428" %)
1971 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1972
1973 [[image:image-20220615153355-1.png]]
1974
1975 (% _msthash="506141" _msttexthash="231309" %)
1976 4  < - ->  3.3V  < - ->  Blue
1977
1978 (% _msthash="506142" _msttexthash="257166" %)
1979 5 < - ->  RXD  < - ->  White
1980
1981 (% _msthash="506143" _msttexthash="253799" %)
1982 9 < - ->  TXD  < - ->  Green
1983
1984 Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
1985
1986
1987 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
1988
1989 [[image:image-20220615170542-5.png]]
1990
1991
1992 (% _msthash="506146" _msttexthash="52173160" %)
1993 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
1994
1995
1996 (% _msthash="506147" _msttexthash="188083584" %)
1997 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
1998
1999 [[image:image-20220615171334-6.png]]
2000
2001
2002 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2003
2004
2005 )))
2006
2007 (% _mstvisible="1" %)
2008 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2009
2010 (% _mstvisible="1" %)
2011 (((
2012 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2013 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2014 )))
2015
2016 (% _mstvisible="1" %)
2017 (((
2018 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2019 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2020 )))
2021
2022 (% _mstvisible="1" %)
2023 * (% _mstvisible="3" %)
2024 (((
2025 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2026 (% _mstvisible="6" style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
2027 )))
2028 * (% _mstvisible="3" %)
2029 (((
2030 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2031 (% _mstvisible="6" style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
2032 )))
2033 * (% _mstvisible="3" %)
2034 (((
2035 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2036 (% _mstvisible="6" style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
2037 )))
2038 * (% _mstvisible="3" %)
2039 (((
2040 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2041 (% _mstvisible="6" style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
2042 )))
2043 * (% _mstvisible="3" %)
2044 (((
2045 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2046 (% _mstvisible="6" style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
2047 )))
2048 * (% _mstvisible="3" %)
2049 (((
2050 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2051 (% _mstvisible="6" style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
2052 )))
2053 * (% _mstvisible="3" %)
2054 (((
2055 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2056 (% _mstvisible="6" style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
2057 )))
2058 * (% _mstvisible="3" %)
2059 (((
2060 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2061 (% _mstvisible="6" style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
2062 )))
2063
2064 (% _mstvisible="1" %)
2065 (((
2066 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2067 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2068 )))
2069
2070 (% _mstvisible="1" %)
2071 * (% _mstvisible="3" %)
2072 (((
2073 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2074 (% _mstvisible="6" style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
2075
2076
2077 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2078
2079 )))
2080
2081 (% _mstvisible="1" %)
2082 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2083
2084 (% _mstvisible="1" %)
2085 (((
2086 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2087
2088
2089 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2090 (% _mstvisible="3" %)**Package Includes**(%%):
2091 )))
2092
2093 (% _mstvisible="1" %)
2094 * (% _mstvisible="3" %)
2095 (((
2096 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2097 LHT65N Temperature & Humidity Sensor x 1
2098 )))
2099 * (% _mstvisible="3" %)
2100 (((
2101 (% _msthash="903337" _msttexthash="242567" _mstvisible="4" %)
2102 Program cable x 1
2103 )))
2104 * (% _mstvisible="3" %)
2105 (((
2106 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2107 Optional external sensor
2108 )))
2109
2110 (% _mstvisible="1" %)
2111 (((
2112 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2113 (% _mstvisible="3" %)**Dimension and weight**(%%):
2114 )))
2115
2116 (% _mstvisible="1" %)
2117 * (% _mstvisible="3" %)
2118 (((
2119 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2120 Device Size:  13.5 x 7 x 3 cm
2121 )))
2122 * (% _mstvisible="3" %)
2123 (((
2124 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2125 Device Weight: 105g
2126 )))
2127 * (% _mstvisible="3" %)
2128 (((
2129 (% _msthash="903341" _msttexthash="562926" _mstvisible="4" %)
2130 Package Size / pcs : 14.5 x 8 x 5 cm
2131 )))
2132 * (% _mstvisible="3" %)
2133 (((
2134 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2135 Weight / pcs : 170g
2136
2137
2138 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2139
2140 )))
2141
2142 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2143
2144 * [[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"]]
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 )))