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Version 148.11 by Xiaoling on 2022/06/17 15:06
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9 (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
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11 {{toc/}}
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17 = (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1. Introduction(%%) =
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19 (% _mstvisible="1" %)
20 == (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT65N Temperature & Humidity Sensor(%%) ==
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22 (% _mstvisible="1" %)
23 (((
24 (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
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27 (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
28 The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% _mstvisible="4" style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% _mstvisible="4" style="color:#4f81bd" %)**Temperature Sensor**(% _mstvisible="3" %)**.**
29 )))
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32 (((
33 (% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %)
34 The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
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38 (((
39 (% _msthash="506053" _msttexthash="4298047" _mstvisible="2" %)
40 LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
41 )))
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45 (% _msthash="506054" _msttexthash="6016374" _mstvisible="2" %)
46 LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
47 )))
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49 (% _mstvisible="1" %)
50 (((
51 (% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %)
52 LHT65N supports (% _mstvisible="4" style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
53 )))
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56 (((
57 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
58 *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
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60 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
61
62 )))
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64 (% _mstvisible="1" %)
65 == (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
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68 * Wall mountable
69 * LoRaWAN v1.0.3 Class A protocol
70 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
71 * AT Commands to change parameters
72 * Remote configure parameters via LoRaWAN Downlink
73 * Firmware upgradeable via program port
74 * Built-in 2400mAh battery for up to 10 years of use.
75 * Built-in Temperature & Humidity sensor
76 * Optional External Sensors
77 * Tri-color LED to indicate working status
78 * Datalog feature
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83 (% _mstvisible="1" %)
84 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
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87 (((
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92 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
93 )))
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95 (% _mstvisible="1" %)
96 * (% _mstvisible="3" %)
97 (((
98 (% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
99 Resolution: 0.01 °C
100 )))
101 * (% _mstvisible="3" %)
102 (((
103 (% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
104 Accuracy Tolerance : Typ ±0.3 °C
105 )))
106 * (% _mstvisible="3" %)
107 (((
108 (% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
109 Long Term Drift: < 0.02 °C/yr
110 )))
111 * (% _mstvisible="3" %)
112 (((
113 (% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
114 Operating Range: -40 ~~ 85 °C
115 )))
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117 (% _mstvisible="1" %)
118 (((
119 (% _mstvisible="2" %)
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122 (% _mstvisible="2" %)
123 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
124 )))
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126 (% _mstvisible="1" %)
127 * (% _mstvisible="3" %)
128 (((
129 (% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
130 Resolution: 0.04 %RH
131 )))
132 * (% _mstvisible="3" %)
133 (((
134 (% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
135 Accuracy Tolerance : Typ ±3 %RH
136 )))
137 * (% _mstvisible="3" %)
138 (((
139 (% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
140 Long Term Drift: < 0.02 °C/yr
141 )))
142 * (% _mstvisible="3" %)
143 (((
144 (% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
145 Operating Range: 0 ~~ 96 %RH
146 )))
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148 (% _mstvisible="1" %)
149 (((
150 (% _mstvisible="2" %)
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154 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
155 )))
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157 (% _mstvisible="1" %)
158 * (% _mstvisible="3" %)
159 (((
160 (% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
161 Resolution: 0.0625 °C
162 )))
163 * (% _mstvisible="3" %)
164 (((
165 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
166 ±0.5°C accuracy from -10°C to +85°C
167 )))
168 * (% _mstvisible="3" %)
169 (((
170 (% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
171 ±2°C accuracy from -55°C to +125°C
172 )))
173 * (% _mstvisible="3" %)
174 (((
175 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
176 Operating Range: -55 °C ~~ 125 °C
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179 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
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181 )))
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183 (% _mstvisible="1" %)
184 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
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186 (% _mstvisible="1" %)
187 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
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189 (% _mstvisible="1" %)
190 (((
191 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
192 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.
193 )))
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197 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
198 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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200 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
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202 )))
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204 (% _mstvisible="1" %)
205 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
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207 (% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
208 The LHT65N has two working modes:
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211 * (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
212 * (% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
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215 (((
216 (% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
217 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
218 )))
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220 (% _mstvisible="1" %)
221 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
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223 (% _mstvisible="1" %)
224 [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
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227 (% _mstvisible="1" %)
228 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
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230 (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
231 This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
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233 (% _mstvisible="1" class="wikigeneratedid" %)
234 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
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236 (% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
237 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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240 (% _mstvisible="1" %)
241 === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
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243 (% _msthash="315242" _msttexthash="1601782" _mstvisible="1" %)
244 Create a device in TTN V3 with the OTAA keys from LHT65N.
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246 (% _msthash="315243" _msttexthash="3694444" _mstvisible="1" %)
247 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
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249 (% _mstvisible="1" %)
250 [[image:image-20220617150003-1.jpeg]]
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252 (% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
253 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
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255 (% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
256 Add APP EUI in the application.
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258 (% _mstvisible="1" %)
259 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
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261 (% _mstvisible="1" %)
262 [[image:image-20220522232932-4.png||_mstalt="430157" _mstvisible="3"]]
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264 (% _mstvisible="1" %)
265 [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
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267 (% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
268 Note: LHT65N use same payload as LHT65.
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270 (% _mstvisible="1" %)
271 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
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274 (% _msthash="315247" _msttexthash="595543" _mstvisible="1" %)
275 Input APP EUI,  APP KEY and DEV EUI:
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277 (% _mstvisible="1" %)
278 [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
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282 (% _mstvisible="1" %)
283 === (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
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285 (% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
286 Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
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288 (% _mstvisible="1" %)
289 [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
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293 (% _mstvisible="1" %)
294 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
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296 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
297 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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299 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
300 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
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302 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
303 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
304 (((
305 (% _mstvisible="6" %)
306 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
307 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
308 (((
309 (% _mstvisible="6" %)
310 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
311 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
312 (((
313 (% _mstvisible="6" %)
314 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
315 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
316 (((
317 (% _mstvisible="6" %)
318 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
319 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
320 (((
321 (% _mstvisible="6" %)
322 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
323 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
324 (((
325 (% _mstvisible="6" %)
326 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
327 )))
328 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
329 (((
330 (% _mstvisible="6" %)
331 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
332 )))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
333 (((
334 (% _mstvisible="6" %)
335 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
336 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
337 (((
338 (% _mstvisible="6" %)
339 (((
340 (% _mstvisible="7" %)
341 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
342 )))
343 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
344 (((
345 (% _mstvisible="6" %)
346 (((
347 (% _mstvisible="7" %)
348 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
349 )))
350
351 (% _mstvisible="6" %)
352 (((
353 (% _mstvisible="7" %)
354 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
355 )))
356 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
357 (((
358 (% _mstvisible="6" %)
359 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
360 )))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
361 (((
362 (% _mstvisible="6" %)
363 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
364 )))
365
366 (% _mstvisible="1" %)
367 * The First 6 bytes: has fix meanings for every LHT65N.
368 * The 7th byte (EXT #): defines the external sensor model.
369 * 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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374 (% _mstvisible="1" %)
375 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
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377 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
378 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.
379
380 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
381 Below is the position to put the decoder and LHT65N decoder can be download from here:
382
383 (% _mstvisible="1" %)
384 [[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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386 (% _mstvisible="1" %)
387 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
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389
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391 (% _mstvisible="1" %)
392 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
393
394 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
395 These two bytes of BAT include the battery state and the actually voltage
396
397 (% _mstvisible="1" %)
398 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
399
400 (% _mstvisible="1" %)
401 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
402
403 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
404 Check the battery voltage for LHT65N.
405
406 (% _mstvisible="1" %)
407 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
408 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
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410
411
412
413 (% _mstvisible="1" %)
414 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
415
416 (% _mstvisible="1" %)
417 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
418
419 (% _mstvisible="1" %)
420 * Temperature:  0x0ABB/100=27.47℃
421
422 (% _mstvisible="1" %)
423 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
424
425 (% _mstvisible="1" %)
426 * Temperature:  (0xF5C6-65536)/100=-26.18℃
427
428 (% _mstvisible="1" %)
429 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
430
431 (% _mstvisible="1" %)
432 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
433
434 (% _mstvisible="1" %)
435 * Humidity:    0x025C/10=60.4%
436
437 (% _mstvisible="1" %)
438 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
439
440 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
441 Bytes for External Sensor:
442
443 (% _mstvisible="1" %)
444 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
445
446
447 (% _mstvisible="1" %)
448 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
449
450 (% _mstvisible="1" %)
451 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
452
453 (% _mstvisible="1" %)
454 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
455
456
457 (% _mstvisible="1" %)
458 * DS18B20 temp=0x0ADD/100=27.81℃
459
460 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
461 The last 2 bytes of data are meaningless
462
463 (% _mstvisible="1" %)
464 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
465
466
467 (% _mstvisible="1" %)
468 * External temperature= (0xF54F-65536)/100=-27.37℃
469
470 (% _mstvisible="1" %)
471 (((
472 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
473 The last 2 bytes of data are meaningless
474 )))
475
476 (% _mstvisible="1" %)
477 (((
478 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
479 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
480 )))
481
482
483
484 (% _mstvisible="1" %)
485 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
486
487 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
488 Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
489
490 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
491 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
492 (((
493 (% _mstvisible="6" %)
494 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
495 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
496 (((
497 (% _mstvisible="6" %)
498 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
499 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
500 (((
501 (% _mstvisible="6" %)
502 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
503 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
504 (((
505 (% _mstvisible="6" %)
506 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
507 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
508 (((
509 (% _mstvisible="6" %)
510 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
511 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
512 (((
513 (% _mstvisible="6" %)
514 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
515 )))
516 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
517 (((
518 (% _mstvisible="6" %)
519 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
520 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
521 (((
522 (% _mstvisible="6" %)
523 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
524 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
525 (((
526 (% _mstvisible="6" %)
527 (((
528 (% _mstvisible="7" %)
529 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
530 )))
531
532 (% _mstvisible="6" %)
533 (((
534 (% _mstvisible="7" %)
535 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
536 )))
537 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
538 (((
539 (% _mstvisible="6" %)
540 (((
541 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
542 BAT Status &
543 )))
544
545 (% _mstvisible="6" %)
546 (((
547 (% _mstvisible="7" %)
548 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
549 )))
550 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
551 (((
552 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
553 Status & Ext
554 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
555 (((
556 (% _mstvisible="6" %)
557 (((
558 (% _mstvisible="7" %)
559 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
560 )))
561 )))
562
563 (% _mstvisible="1" %)
564 * (% _msthash="2539669" _msttexthash="857922" _mstvisible="3" %)**Battery status & **(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**
565
566 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
567 (% _mstvisible="3" %)|=(% _msthash="1230918" _msttexthash="93158" _mstvisible="4" style="width: 65px;" %)Bit(bit)|=(% _msthash="1230919" _msttexthash="57954" _mstvisible="4" style="width: 267px;" %)[15:14]|=(% _msthash="1230920" _msttexthash="48022" _mstvisible="4" style="width: 134px;" %)[11:0]
568 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
569 (((
570 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
571 BAT Status
572
573 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
574 00(b): Ultra Low ( BAT <= 2.50v)
575
576 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
577 01(b): Low  (2.50v <=BAT <= 2.55v)
578
579 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
580 10(b): OK   (2.55v <= BAT <=2.65v)
581
582 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
583 11(b): Good   (BAT >= 2.65v)
584 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
585 (((
586 (% _mstvisible="6" %)
587 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
588
589 (% _mstvisible="6" %)
590
591 )))
592
593 (% _mstvisible="1" %)
594 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
595
596 (% _mstvisible="1" %)
597 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
598
599 (% _mstvisible="1" %)
600 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
601 * Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
602 * Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
603
604 (% _mstvisible="1" %)
605 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
606
607 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
608 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:
609
610 (% _mstvisible="1" %)
611 (((
612 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
613 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
614 )))
615
616 (% _mstvisible="1" %)
617 (((
618 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
619 (% _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.
620 )))
621
622 (% _mstvisible="1" %)
623 (((
624 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
625 Add Datacake:
626 )))
627
628 (% _mstvisible="1" %)
629 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
630
631
632 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
633 Select default key as Access Key:
634
635 (% _mstvisible="1" %)
636 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
637
638 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
639 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
640
641 (% _mstvisible="1" %)
642 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
643
644 (% _mstvisible="1" %)
645 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
646
647
648
649 (% _mstvisible="1" %)
650 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
651
652 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
653 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.
654
655
656 (% _mstvisible="1" %)
657 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
658
659 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
660 There are two methods:
661
662 (% _mstvisible="1" %)
663 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
664 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.
665
666 (% _mstvisible="1" %)
667 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
668
669 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
670 LHT65N uses Unix TimeStamp format based on
671
672 (% _mstvisible="1" %)
673 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
674
675
676 (% _mstvisible="1" %)
677 (((
678 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
679 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
680 )))
681
682 (% _mstvisible="1" %)
683 (((
684 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
685 Below is the converter example
686 )))
687
688 (% _mstvisible="1" %)
689 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
690
691 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
692 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
693
694
695 (% _mstvisible="1" %)
696 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
697
698 (% _mstvisible="1" %)
699 (((
700 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
701 There are two ways to set device’s time:
702 )))
703
704 (% _mstvisible="1" %)
705 (((
706 (% _mstvisible="2" %)
707 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
708 )))
709
710 (% _mstvisible="1" %)
711 (((
712 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
713 User need to set SYNCMOD=1 to enable sync time via MAC command.
714 )))
715
716 (% _mstvisible="1" %)
717 (((
718 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
719 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).
720 )))
721
722 (% _mstvisible="1" %)
723 (((
724 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
725 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.
726 )))
727
728 (% _mstvisible="1" %)
729 (((
730 (% _mstvisible="2" %)
731
732 )))
733
734 (% _mstvisible="1" %)
735 (((
736 (% _mstvisible="2" %)
737 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
738 )))
739
740 (% _mstvisible="1" %)
741 (((
742 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
743 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
744
745 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
746
747 )))
748
749 (% _mstvisible="1" %)
750 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
751
752 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
753 User can poll sensor value based on timestamps from the server. Below is the downlink command.
754
755 (% _mstvisible="1" %)
756 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
757
758 (% _mstvisible="1" %)
759 (((
760 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
761 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.
762 )))
763
764 (% _mstvisible="1" %)
765 (((
766 (% _mstvisible="2" %)
767 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
768 )))
769
770 (% _mstvisible="1" %)
771 (((
772 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
773 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
774 )))
775
776 (% _mstvisible="1" %)
777 (((
778 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
779 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
780 )))
781
782
783 (% _mstvisible="1" %)
784 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
785
786 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
787 The Datalog poll reply uplink will use below payload format.
788
789 (% _mstvisible="1" %)
790 (((
791 (% _mstvisible="2" %)
792 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
793 )))
794
795 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
796 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
797 (((
798 (% _mstvisible="6" %)
799 (((
800 (% _mstvisible="7" %)
801 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
802 )))
803 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
804 (((
805 (% _mstvisible="6" %)
806 (((
807 (% _mstvisible="7" %)
808 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
809 )))
810 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
811 (((
812 (% _mstvisible="6" %)
813 (((
814 (% _mstvisible="7" %)
815 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
816 )))
817 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
818 (((
819 (% _mstvisible="6" %)
820 (((
821 (% _mstvisible="7" %)
822 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
823 )))
824 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
825 (((
826 (% _mstvisible="6" %)
827 (((
828 (% _mstvisible="7" %)
829 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
830 )))
831 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
832 (((
833 (% _mstvisible="6" %)
834 (((
835 (% _mstvisible="7" %)
836 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
837 )))
838 )))
839 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
840 (((
841 (% _mstvisible="6" %)
842 (((
843 (% _mstvisible="7" %)
844 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
845 )))
846 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
847 (((
848 (% _mstvisible="6" %)
849 (((
850 (% _mstvisible="7" %)
851 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
852 )))
853 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
854 (((
855 (% _mstvisible="6" %)
856 (((
857 (% _mstvisible="7" %)
858 (((
859 (% _mstvisible="8" %)
860 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
861 )))
862 )))
863
864 (% _mstvisible="6" %)
865 (((
866 (% _mstvisible="7" %)
867 (((
868 (% _mstvisible="8" %)
869 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
870 )))
871 )))
872 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
873 (((
874 (% _mstvisible="6" %)
875 (((
876 (% _mstvisible="7" %)
877 (((
878 (% _mstvisible="8" %)
879 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
880 )))
881 )))
882
883 (% _mstvisible="6" %)
884 (((
885 (% _mstvisible="7" %)
886 (((
887 (% _mstvisible="8" %)
888 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
889 )))
890 )))
891 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
892 (((
893 (% _mstvisible="6" %)
894 (((
895 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
896 Poll message flag & Ext
897 )))
898 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
899 (((
900 (% _mstvisible="6" %)
901 (((
902 (% _mstvisible="7" %)
903 (((
904 (% _mstvisible="8" %)
905 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
906 )))
907 )))
908
909 (% _mstvisible="6" %)
910 (((
911 (% _mstvisible="7" %)
912 (((
913 (% _mstvisible="8" %)
914
915 )))
916 )))
917 )))
918
919 (% _mstvisible="1" %)
920 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
921
922 (% _mstvisible="1" %)
923 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
924
925 (% _mstvisible="1" %)
926 (((
927 (% _mstvisible="2" %)
928 (((
929 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
930 Poll Message Flag: 1: This message is a poll message reply.
931 )))
932 )))
933
934 (% _mstvisible="1" %)
935 * (% _mstvisible="3" %)
936 (((
937 (% _mstvisible="4" %)
938 (((
939 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
940 Poll Message Flag is set to 1.
941 )))
942 )))
943 * (% _mstvisible="3" %)
944 (((
945 (% _mstvisible="4" %)
946 (((
947 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
948 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
949 )))
950 )))
951
952 (% _mstvisible="1" %)
953 (((
954 (% _mstvisible="2" %)
955 (((
956 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
957
958
959 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
960 For example, in US915 band, the max payload for different DR is:
961 )))
962 )))
963
964 (% _mstvisible="1" %)
965 (((
966 (% _mstvisible="2" %)
967 (((
968 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
969 a) DR0: max is 11 bytes so one entry of data
970 )))
971 )))
972
973 (% _mstvisible="1" %)
974 (((
975 (% _mstvisible="2" %)
976 (((
977 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
978 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
979 )))
980 )))
981
982 (% _mstvisible="1" %)
983 (((
984 (% _mstvisible="2" %)
985 (((
986 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
987 c) DR2: total payload includes 11 entries of data
988 )))
989 )))
990
991 (% _mstvisible="1" %)
992 (((
993 (% _mstvisible="2" %)
994 (((
995 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
996 d) DR3: total payload includes 22 entries of data.
997 )))
998 )))
999
1000 (% _mstvisible="1" %)
1001 (((
1002 (% _mstvisible="2" %)
1003 (((
1004 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1005 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1006 )))
1007 )))
1008
1009
1010 (% _mstvisible="1" style="text-align: left;" %)
1011 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1012
1013 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1014 If LHT65N has below data inside Flash:
1015
1016 (% _mstvisible="1" %)
1017 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1018
1019 (% _mstvisible="1" %)
1020 (((
1021 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1022 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1023 )))
1024
1025 (% _mstvisible="1" %)
1026 (((
1027 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1028 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1029 )))
1030
1031 (% _mstvisible="1" %)
1032 (((
1033 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1034 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1035 )))
1036
1037 (% _mstvisible="1" %)
1038 (((
1039 (% _mstvisible="2" %)
1040
1041 )))
1042
1043 (% _mstvisible="1" %)
1044 (((
1045 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1046 LHT65N will uplink this payload.
1047 )))
1048
1049 (% _mstvisible="1" %)
1050 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1051
1052 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1053 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1054
1055 (% _msthash="315237" _msttexthash="1385839" %)
1056 Where the first 11 bytes is for the first entry:
1057
1058 (% _msthash="315238" _msttexthash="274846" %)
1059 7FFF089801464160065F97
1060
1061 (% _msthash="315239" _msttexthash="617435" %)
1062 Ext sensor data=0x7FFF/100=327.67
1063
1064 (% _msthash="315240" _msttexthash="270543" %)
1065 Temp=0x0898/100=22.00
1066
1067 (% _msthash="315241" _msttexthash="211783" %)
1068 Hum=0x0146/10=32.6
1069
1070 (% _msthash="315242" _msttexthash="1569776" %)
1071 poll message flag & Ext=0x41,means reply data,Ext=1
1072
1073 (% _msthash="315243" _msttexthash="1120509" %)
1074 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1075
1076
1077 (% _mstvisible="1" style="text-align: left;" %)
1078 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1079
1080 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1081 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.
1082
1083 (% _mstvisible="1" %)
1084 (((
1085 (% _mstvisible="2" style="text-align: left;" %)
1086 (% _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.
1087 )))
1088
1089 (% _mstvisible="1" style="text-align: left;" %)
1090 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1091
1092 (% _mstvisible="1" class="box infomessage" %)
1093 (((
1094 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1095 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1096
1097 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1098 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1099
1100 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1101 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1102
1103 (% _mstvisible="2" style="text-align: left;" %)
1104 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1105
1106 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1107 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1108 )))
1109
1110
1111
1112 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1113 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1114
1115 (% _mstvisible="1" %)
1116 (((
1117 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1118 The LHT65 has a triple color LED which for easy showing different stage .
1119
1120 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1121 While user press ACT button, the LED will work as per LED status with ACT button.
1122 )))
1123
1124 (% _mstvisible="1" %)
1125 (((
1126 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1127 In a normal working state:
1128 )))
1129
1130 (% _mstvisible="1" %)
1131 * (% _mstvisible="3" %)
1132 (((
1133 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1134 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1135
1136 (% _msthash="197771" _msttexthash="1202526" %)
1137 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1138 )))
1139 * (% _mstvisible="3" %)
1140 (((
1141 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1142 RED LED when external sensor is not connected
1143 )))
1144 * (% _mstvisible="3" %)
1145 (((
1146 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1147 For each success downlink, the PURPLE LED will blink once
1148
1149
1150
1151 )))
1152
1153 (% _mstvisible="1" style="text-align: left;" %)
1154 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1155
1156 (% _mstvisible="1" %)
1157 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1158
1159
1160 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1161 = (% _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(%%) =
1162
1163 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1164 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1165
1166 (% _mstvisible="1" %)
1167 [[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"]]
1168
1169
1170 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1171 Temperature sensor with 2 meters cable long
1172
1173 (% _mstvisible="1" %)
1174 * Resolution: 0.0625 °C
1175 * ±0.5°C accuracy from -10°C to +85°C
1176 * ±2°C accuracy from -55°C to +125°C
1177 * Operating Range: -40 ~~ 125 °C
1178 * -55°C to 125°C
1179 * Working voltage 2.35v ~~ 5v
1180
1181 (% _mstvisible="1" style="text-align: left;" %)
1182 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1183
1184 (% _mstvisible="1" %)
1185 (((
1186 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1187 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1188 )))
1189
1190 (% _mstvisible="1" %)
1191 * (% _mstvisible="3" %)
1192 (((
1193 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1194 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1195 )))
1196 * (% _mstvisible="3" %)
1197 (((
1198 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1199 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1200 )))
1201
1202 (% _mstvisible="1" %)
1203 (((
1204 (% _mstvisible="2" style="text-align: left;" %)
1205
1206 )))
1207
1208 (% _mstvisible="1" %)
1209 (((
1210 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1211 There are two kinds of commands to configure LHT65N, they are:
1212 )))
1213
1214 (% _mstvisible="1" %)
1215 (((
1216 (% _mstvisible="2" style="text-align: left;" %)
1217 (% _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" %).
1218 )))
1219
1220 (% _mstvisible="1" %)
1221 (((
1222 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1223 These commands are to configure:
1224 )))
1225
1226 (% _mstvisible="1" %)
1227 * (% _mstvisible="3" %)
1228 (((
1229 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1230 General system settings like: uplink interval.
1231 )))
1232 * (% _mstvisible="3" %)
1233 (((
1234 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1235 LoRaWAN protocol & radio-related commands.
1236 )))
1237
1238 (% _mstvisible="1" %)
1239 (((
1240 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1241 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]]
1242 )))
1243
1244 (% _mstvisible="1" %)
1245 (((
1246 (% _mstvisible="2" style="text-align: left;" %)
1247
1248 )))
1249
1250 (% _mstvisible="1" %)
1251 (((
1252 (% _mstvisible="2" style="text-align: left;" %)
1253 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1254 )))
1255
1256 (% _mstvisible="1" %)
1257 (((
1258 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1259 These commands are only valid for LHT65N, as below:
1260
1261
1262 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1263
1264 )))
1265
1266 (% _mstvisible="1" style="text-align: left;" %)
1267 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1268
1269 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1270 Feature: Change LoRaWAN End Node Transmit Interval.
1271
1272 (% _mstvisible="1" style="text-align: left;" %)
1273 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1274
1275 (% _mstvisible="1" %)
1276 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1277
1278 (% _mstvisible="1" %)
1279 (((
1280 (% _mstvisible="2" style="text-align: left;" %)
1281
1282
1283 (% _mstvisible="2" style="text-align: left;" %)
1284 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1285 )))
1286
1287 (% _mstvisible="1" %)
1288 (((
1289 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1290 Format: Command Code (0x01) followed by 3 bytes time value.
1291 )))
1292
1293 (% _mstvisible="1" %)
1294 (((
1295 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1296 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1297 )))
1298
1299 (% _mstvisible="1" %)
1300 * (% _mstvisible="3" %)
1301 (((
1302 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1303 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1304 )))
1305 * (% _mstvisible="3" %)
1306 (((
1307 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1308 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1309
1310
1311 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1312
1313 )))
1314
1315 (% _mstvisible="1" style="text-align: left;" %)
1316 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1317
1318 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1319 Feature: Change External Sensor Mode.
1320
1321 (% _mstvisible="1" style="text-align: left;" %)
1322 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1323
1324 (% _mstvisible="1" %)
1325 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1326
1327 (% _mstvisible="1" %)
1328 (((
1329 (% _mstvisible="2" style="text-align: left;" %)
1330
1331
1332 (% _mstvisible="2" style="text-align: left;" %)
1333 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1334 )))
1335
1336 (% _mstvisible="1" %)
1337 (((
1338 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1339 Total bytes: 2 ~~ 5 bytes
1340 )))
1341
1342 (% _mstvisible="1" %)
1343 (((
1344 (% _mstvisible="2" %)
1345 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1346 )))
1347
1348 (% _mstvisible="1" %)
1349 * (% _mstvisible="3" %)
1350 (((
1351 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1352 0xA201: Set external sensor type to E1
1353 )))
1354 * (% _mstvisible="3" %)
1355 (((
1356 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1357 0xA209: Same as AT+EXT=9
1358 )))
1359 * (% _mstvisible="3" %)
1360 (((
1361 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1362 0xA20702003c,Same as AT+SETCNT=60
1363
1364
1365 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1366
1367 )))
1368
1369 (% _mstvisible="1" style="text-align: left;" %)
1370 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1371
1372 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1373 Feature: If PID is enabled, device will send the temperature probe ID on:
1374
1375 (% _mstvisible="1" %)
1376 * First Packet after OTAA Join
1377 * Every 24 hours since the first packet.
1378
1379 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1380 PID is default set to disable (0)
1381
1382 (% _mstvisible="1" style="text-align: left;" %)
1383 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1384
1385 (% _mstvisible="1" %)
1386 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1387
1388
1389 (% _mstvisible="1" style="text-align: left;" %)
1390 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1391
1392 (% _mstvisible="1" %)
1393 * 0xA800  **~-~->** AT+PID=0
1394 * 0xA801     **~-~->** AT+PID=1
1395
1396 (% _mstvisible="1" style="text-align: left;" %)
1397 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1398
1399 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1400 Feature: Set device password, max 9 digits
1401
1402 (% _mstvisible="1" style="text-align: left;" %)
1403 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1404
1405 (% _mstvisible="1" %)
1406 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1407
1408 (% _mstvisible="1" %)
1409 (((
1410 (% _mstvisible="2" style="text-align: left;" %)
1411
1412
1413 (% _mstvisible="2" style="text-align: left;" %)
1414 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1415 )))
1416
1417 (% _mstvisible="1" %)
1418 (((
1419 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1420 No downlink command for this feature.
1421
1422 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1423
1424 )))
1425
1426 (% _mstvisible="1" style="text-align: left;" %)
1427 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1428
1429 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1430 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1431
1432 (% _mstvisible="1" style="text-align: left;" %)
1433 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1434
1435 (% _mstvisible="1" %)
1436 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1437
1438
1439 (% _mstvisible="1" style="text-align: left;" %)
1440 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1441
1442 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1443 No downlink command for this feature.
1444
1445
1446 (% _mstvisible="1" style="text-align: left;" %)
1447 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1448
1449 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1450 Feature: Set device to sleep mode
1451
1452 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1453 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1454
1455 (% _mstvisible="1" style="text-align: left;" %)
1456 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1457
1458 (% _mstvisible="1" %)
1459 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1460
1461 (% _mstvisible="1" %)
1462 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1463
1464 (% _mstvisible="1" %)
1465 * There is no downlink command to set to Sleep mode.
1466
1467 (% _mstvisible="1" %)
1468 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1469
1470 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1471 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1472
1473 (% _mstvisible="1" %)
1474 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1475
1476 (% _mstvisible="1" %)
1477 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1478
1479
1480 (% _mstvisible="1" %)
1481 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1482
1483 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1484 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1485
1486
1487 (% _mstvisible="1" %)
1488 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1489
1490 (% _mstvisible="1" %)
1491 (((
1492 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1493 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1494 )))
1495
1496 (% _mstvisible="1" %)
1497 (((
1498 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1499 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.
1500 )))
1501
1502 (% _mstvisible="1" %)
1503 (((
1504 (% _mstvisible="2" %)
1505 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1506 )))
1507
1508 (% _mstvisible="1" %)
1509 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1510
1511
1512 (% _mstvisible="1" %)
1513 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1514
1515 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1516 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1517
1518 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1519 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1520
1521
1522 (% _mstvisible="1" %)
1523 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1524
1525 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1526 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1527
1528 (% _mstvisible="1" %)
1529 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1530
1531 (% _mstvisible="1" %)
1532 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1533
1534
1535 (% _mstvisible="1" %)
1536 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1537
1538 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1539 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1540
1541
1542 (% _mstvisible="1" %)
1543 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1544
1545 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1546 Feature: Print the sector data from start page to stop page (max is 416 pages).
1547
1548 (% _mstvisible="1" %)
1549 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1550
1551 (% _mstvisible="1" %)
1552 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1553
1554
1555 (% _mstvisible="1" %)
1556 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1557
1558 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1559 No downlink commands for feature
1560
1561
1562 (% _mstvisible="1" %)
1563 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1564
1565 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1566 Feature: Print the last few data entries
1567
1568 (% _mstvisible="1" %)
1569 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1570
1571 (% _mstvisible="1" %)
1572 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1573
1574
1575 (% _mstvisible="1" %)
1576 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1577
1578 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1579 No downlink commands for feature
1580
1581
1582 (% _mstvisible="1" %)
1583 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1584
1585 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1586 Feature: Clear flash storage for data log feature.
1587
1588 (% _mstvisible="1" %)
1589 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1590
1591 (% _mstvisible="1" %)
1592 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1593
1594
1595 (% _mstvisible="1" %)
1596 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1597
1598 (% _mstvisible="1" %)
1599 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1600
1601 (% _mstvisible="1" %)
1602 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1603
1604 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1605 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.
1606
1607
1608 (% _mstvisible="1" %)
1609 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1610
1611 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1612 The default factory setting is 0
1613
1614 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1615 (% _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**
1616 (% _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
1617
1618 (% _mstvisible="1" %)
1619 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1620
1621 (% _mstvisible="1" %)
1622 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1623
1624 (% _mstvisible="1" %)
1625 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1626
1627 (% _mstvisible="1" %)
1628 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1629
1630 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1631 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.
1632
1633 (% _mstvisible="1" %)
1634 (((
1635 (% _mstvisible="2" %)
1636 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1637 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1638 )))
1639
1640 (% _mstvisible="1" %)
1641 (((
1642 (% _mstvisible="2" %)
1643 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1644
1645 )))
1646
1647 (% _mstvisible="1" %)
1648 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1649
1650 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1651 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.
1652
1653 (% _mstvisible="1" %)
1654 [[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"]]
1655
1656 (% _mstvisible="1" %)
1657 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1658
1659 (% _mstvisible="1" %)
1660 (((
1661 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1662 (((
1663 (% _msthash="736723" _msttexthash="35479028" %)
1664 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:
1665 [[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]]
1666 )))
1667
1668 (((
1669
1670 )))
1671
1672 (((
1673 (% _msthash="736724" _msttexthash="12045098" %)
1674 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]]
1675 )))
1676
1677
1678 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1679 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1680
1681 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1682 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1683
1684 (((
1685 (% _msthash="736725" _msttexthash="9345674" %)
1686 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.
1687 )))
1688
1689 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1690
1691
1692 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1693
1694 (% _msthash="506062" _msttexthash="1187732" %)
1695 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1696
1697 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1698
1699 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1700
1701 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1702
1703
1704 (((
1705 (% _msthash="736726" _msttexthash="67213055" %)
1706 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.
1707 )))
1708
1709 (((
1710 (% _msthash="736727" _msttexthash="1907009" %)
1711 Input password and ATZ to activate LHT65N,As shown below:
1712 )))
1713
1714 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1715
1716
1717 (% _msthash="506066" _msttexthash="544869" %)
1718 AT Command List is as below:
1719
1720 (% _msthash="506067" _msttexthash="361920" %)
1721 AT+<CMD>? :  Help on <CMD>
1722
1723 (% _msthash="506068" _msttexthash="243061" %)
1724 AT+<CMD> :  Run <CMD>
1725
1726 (% _msthash="506069" _msttexthash="704197" %)
1727 AT+<CMD>=<value> :  Set the value
1728
1729 (% _msthash="506070" _msttexthash="455676" %)
1730 AT+<CMD>=? :  Get the value
1731
1732 (% _msthash="506071" _msttexthash="670553" %)
1733 AT+DEBUG:  Set more info output
1734
1735 (% _msthash="506072" _msttexthash="485888" %)
1736 ATZ:  Trig a reset of the MCU
1737
1738 (% _msthash="506073" _msttexthash="2068872" %)
1739 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1740
1741 (% _msthash="506074" _msttexthash="689169" %)
1742 AT+DEUI:  Get or Set the Device EUI
1743
1744 (% _msthash="506075" _msttexthash="960414" %)
1745 AT+DADDR:  Get or Set the Device Address
1746
1747 (% _msthash="506076" _msttexthash="1079897" %)
1748 AT+APPKEY:  Get or Set the Application Key
1749
1750 (% _msthash="506077" _msttexthash="1326143" %)
1751 AT+NWKSKEY:  Get or Set the Network Session Key
1752
1753 (% _msthash="506078" _msttexthash="1573000" %)
1754 AT+APPSKEY:  Get or Set the Application Session Key
1755
1756 (% _msthash="506079" _msttexthash="1041729" %)
1757 AT+APPEUI:  Get or Set the Application EUI
1758
1759 (% _msthash="506080" _msttexthash="2104206" %)
1760 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1761
1762 (% _msthash="506081" _msttexthash="3369288" %)
1763 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1764
1765 (% _msthash="506082" _msttexthash="1894529" %)
1766 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1767
1768 (% _msthash="506083" _msttexthash="3864172" %)
1769 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1770
1771 (% _msthash="506084" _msttexthash="1712204" %)
1772 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1773
1774 (% _msthash="506085" _msttexthash="1281202" %)
1775 AT+RX2FQ:  Get or Set the Rx2 window frequency
1776
1777 (% _msthash="506086" _msttexthash="2796781" %)
1778 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1779
1780 (% _msthash="506087" _msttexthash="3285165" %)
1781 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1782
1783 (% _msthash="506088" _msttexthash="3286179" %)
1784 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1785
1786 (% _msthash="506089" _msttexthash="4703803" %)
1787 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1788
1789 (% _msthash="506090" _msttexthash="4704999" %)
1790 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1791
1792 (% _msthash="506091" _msttexthash="1528683" %)
1793 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1794
1795 (% _msthash="506092" _msttexthash="757185" %)
1796 AT+NWKID:  Get or Set the Network ID
1797
1798 (% _msthash="506093" _msttexthash="1156597" %)
1799 AT+FCU:  Get or Set the Frame Counter Uplink
1800
1801 (% _msthash="506094" _msttexthash="1273987" %)
1802 AT+FCD:  Get or Set the Frame Counter Downlink
1803
1804 (% _msthash="506095" _msttexthash="859222" %)
1805 AT+CLASS:  Get or Set the Device Class
1806
1807 (% _msthash="506096" _msttexthash="384852" %)
1808 AT+JOIN:  Join network
1809
1810 (% _msthash="506097" _msttexthash="548626" %)
1811 AT+NJS:  Get the join status
1812
1813 (% _msthash="506098" _msttexthash="2546206" %)
1814 AT+SENDB:  Send hexadecimal data along with the application port
1815
1816 (% _msthash="506099" _msttexthash="1932307" %)
1817 AT+SEND:  Send text data along with the application port
1818
1819 (% _msthash="506100" _msttexthash="3560557" %)
1820 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1821
1822 (% _msthash="506101" _msttexthash="1429701" %)
1823 AT+RECV:  Print last received data in raw format
1824
1825 (% _msthash="506102" _msttexthash="1735981" %)
1826 AT+VER:  Get current image version and Frequency Band
1827
1828 (% _msthash="506103" _msttexthash="1189474" %)
1829 AT+CFM:  Get or Set the confirmation mode (0-1)
1830
1831 (% _msthash="506104" _msttexthash="1718210" %)
1832 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1833
1834 (% _msthash="506105" _msttexthash="1339403" %)
1835 AT+SNR:  Get the SNR of the last received packet
1836
1837 (% _msthash="506106" _msttexthash="1452009" %)
1838 AT+RSSI:  Get the RSSI of the last received packet
1839
1840 (% _msthash="506107" _msttexthash="2768142" %)
1841 AT+TDC:  Get or set the application data transmission interval in ms
1842
1843 (% _msthash="506108" _msttexthash="1083914" %)
1844 AT+PORT:  Get or set the application port
1845
1846 (% _msthash="506109" _msttexthash="622440" %)
1847 AT+DISAT:  Disable AT commands
1848
1849 (% _msthash="506110" _msttexthash="868361" %)
1850 AT+PWORD:  Set password, max 9 digits
1851
1852 (% _msthash="506111" _msttexthash="2210299" %)
1853 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1854
1855 (% _msthash="506112" _msttexthash="2113462" %)
1856 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1857
1858 (% _msthash="506113" _msttexthash="2087423" %)
1859 AT+PDTA:  Print the sector data from start page to stop page
1860
1861 (% _msthash="506114" _msttexthash="1063127" %)
1862 AT+PLDTA:  Print the last few sets of data
1863
1864 (% _msthash="506115" _msttexthash="1999426" %)
1865 AT+CLRDTA:  Clear the storage, record position back to 1st
1866
1867 (% _msthash="506116" _msttexthash="442130" %)
1868 AT+SLEEP:  Set sleep mode
1869
1870 (% _msthash="506117" _msttexthash="1080222" %)
1871 AT+EXT:  Get or Set external sensor model
1872
1873 (% _msthash="506118" _msttexthash="1309490" %)
1874 AT+BAT:  Get the current battery voltage in mV
1875
1876 (% _msthash="506119" _msttexthash="813891" %)
1877 AT+CFG:  Print all configurations
1878
1879 (% _msthash="506120" _msttexthash="551707" %)
1880 AT+WMOD:  Get or Set Work Mode
1881
1882 (% _msthash="506121" _msttexthash="2631499" %)
1883 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1884
1885 (% _msthash="506122" _msttexthash="3907150" %)
1886 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1887
1888 (% _msthash="506123" _msttexthash="854620" %)
1889 AT+SETCNT:  Set the count at present
1890
1891 (% _msthash="506124" _msttexthash="2554877" %)
1892 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1893
1894 (% _msthash="506125" _msttexthash="771849" %)
1895 AT+RPL:  Get or set response level
1896
1897 (% _msthash="506126" _msttexthash="1484314" %)
1898 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1899
1900 (% _msthash="506127" _msttexthash="741728" %)
1901 AT+LEAPSEC:  Get or Set Leap Second
1902
1903 (% _msthash="506128" _msttexthash="1694017" %)
1904 AT+SYNCMOD:  Get or Set time synchronization method
1905
1906 (% _msthash="506129" _msttexthash="2235948" %)
1907 AT+SYNCTDC:  Get or set time synchronization interval in day
1908
1909 (% _msthash="506130" _msttexthash="425542" %)
1910 AT+PID:  Get or set the PID
1911
1912
1913 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1914
1915 (% _msthash="506131" _msttexthash="14585714" %)
1916 AT commands：
1917
1918 [[image:image-20220615092034-1.png||_mstalt="428870"]]
1919
1920 (% _msthash="506132" _msttexthash="337922" %)
1921 Downlink commands:
1922
1923
1924 (% _msthash="506133" _msttexthash="33046" %)
1925 **TTN:**
1926
1927 [[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1928
1929
1930 (% _msthash="506134" _msttexthash="11113791" %)
1931 **Helium：**
1932
1933 [[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1934
1935
1936 (% _msthash="506135" _msttexthash="4159844" %)
1937 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1938
1939 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1940
1941 [[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1942
1943
1944 (% _msthash="506136" _msttexthash="39286" %)
1945 **Aws:**
1946
1947 [[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1948
1949
1950 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1951
1952 [[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"]]
1953
1954
1955 (% _msthash="536757" _msttexthash="1874951" %)
1956 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1957
1958 [[image:image-20220615153355-1.png]]
1959
1960 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1961
1962 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1963
1964 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1965
1966 [[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1967
1968
1969 (((
1970 (% _msthash="736728" _msttexthash="67213055" %)
1971 (((
1972 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.
1973 )))
1974 )))
1975
1976 (((
1977 (% _msthash="736729" _msttexthash="1907009" %)
1978 Input password and ATZ to activate LHT65N,As shown below:
1979
1980 [[image:image-20220615154519-3.png]]
1981
1982
1983 )))
1984
1985
1986 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1987
1988 [[image:image-20220615153355-1.png]]
1989
1990 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1991
1992 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1993
1994 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1995
1996 Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
1997
1998
1999 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2000
2001 [[image:image-20220615170542-5.png]]
2002
2003
2004 (% _msthash="506146" _msttexthash="52173160" %)
2005 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2006
2007
2008 (% _msthash="506147" _msttexthash="188083584" %)
2009 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2010
2011 [[image:image-20220615171334-6.png]]
2012
2013
2014 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2015
2016
2017 )))
2018
2019 (% _mstvisible="1" %)
2020 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2021
2022 (% _mstvisible="1" %)
2023 (((
2024 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2025 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2026 )))
2027
2028 (% _mstvisible="1" %)
2029 (((
2030 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2031 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2032 )))
2033
2034 (% _mstvisible="1" %)
2035 * (% _mstvisible="3" %)
2036 (((
2037 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2038 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2039 )))
2040 * (% _mstvisible="3" %)
2041 (((
2042 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2043 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2044 )))
2045 * (% _mstvisible="3" %)
2046 (((
2047 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2048 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2049 )))
2050 * (% _mstvisible="3" %)
2051 (((
2052 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2053 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2054 )))
2055 * (% _mstvisible="3" %)
2056 (((
2057 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2058 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2059 )))
2060 * (% _mstvisible="3" %)
2061 (((
2062 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2063 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2064 )))
2065 * (% _mstvisible="3" %)
2066 (((
2067 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2068 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2069 )))
2070 * (% _mstvisible="3" %)
2071 (((
2072 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2073 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2074 )))
2075
2076 (% _mstvisible="1" %)
2077 (((
2078 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2079 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2080 )))
2081
2082 (% _mstvisible="1" %)
2083 * (% _mstvisible="3" %)
2084 (((
2085 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2086 (% style="color:red" %)**E3**(%%): External Temperature Probe
2087
2088
2089 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2090
2091 )))
2092
2093 (% _mstvisible="1" %)
2094 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2095
2096 (% _mstvisible="1" %)
2097 (((
2098 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2099
2100
2101 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2102 (% _mstvisible="3" %)**Package Includes**(%%):
2103 )))
2104
2105 (% _mstvisible="1" %)
2106 * (% _mstvisible="3" %)
2107 (((
2108 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2109 LHT65N Temperature & Humidity Sensor x 1
2110 )))
2111 * (% _mstvisible="3" %)
2112 (((
2113 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2114 Optional external sensor
2115 )))
2116
2117 (% _mstvisible="1" %)
2118 (((
2119 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2120 (% _mstvisible="3" %)**Dimension and weight**(%%):
2121 )))
2122
2123 (% _mstvisible="1" %)
2124 * (% _mstvisible="3" %)
2125 (((
2126 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2127 Device Size:  10 x 10 x 3.5 cm
2128 )))
2129 * (% _mstvisible="3" %)
2130 (((
2131 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2132 Device Weight: 120.5g
2133 )))
2134
2135 (% _mstvisible="3" %)
2136 (((
2137
2138
2139 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2140
2141 )))
2142
2143 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2144
2145 * [[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"]]
2146
2147
2148
2149 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2150
2151 (% _mstvisible="1" %)
2152 (((
2153 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2154 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2155 )))
2156
2157 (% _mstvisible="1" %)
2158 (((
2159 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2160 (1) This device may not cause harmful interference；
2161 )))
2162
2163 (% _mstvisible="1" %)
2164 (((
2165 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2166 (2) this device must accept any interference received, including interference that may cause undesired operation.
2167 )))