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Version 148.10 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 (((
88 (% _mstvisible="2" %)
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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.
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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"]]
385
386 (% _mstvisible="1" %)
387 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
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389
390
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
409
410 (% _mstvisible="1" %)
411 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
412
413 (% _mstvisible="1" %)
414 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
415
416 (% _mstvisible="1" %)
417 * Temperature:  0x0ABB/100=27.47℃
418
419 (% _mstvisible="1" %)
420 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
421
422 (% _mstvisible="1" %)
423 * Temperature:  (0xF5C6-65536)/100=-26.18℃
424
425 (% _mstvisible="1" %)
426 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
427
428 (% _mstvisible="1" %)
429 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
430
431 (% _mstvisible="1" %)
432 * Humidity:    0x025C/10=60.4%
433
434 (% _mstvisible="1" %)
435 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
436
437 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
438 Bytes for External Sensor:
439
440 (% _mstvisible="1" %)
441 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
442
443
444 (% _mstvisible="1" %)
445 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
446
447 (% _mstvisible="1" %)
448 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
449
450 (% _mstvisible="1" %)
451 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
452
453
454 (% _mstvisible="1" %)
455 * DS18B20 temp=0x0ADD/100=27.81℃
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457 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
458 The last 2 bytes of data are meaningless
459
460 (% _mstvisible="1" %)
461 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
462
463
464 (% _mstvisible="1" %)
465 * External temperature= (0xF54F-65536)/100=-27.37℃
466
467 (% _mstvisible="1" %)
468 (((
469 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
470 The last 2 bytes of data are meaningless
471 )))
472
473 (% _mstvisible="1" %)
474 (((
475 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
476 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
477 )))
478
479
480
481 (% _mstvisible="1" %)
482 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
483
484 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
485 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:
486
487 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
488 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
489 (((
490 (% _mstvisible="6" %)
491 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
492 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
493 (((
494 (% _mstvisible="6" %)
495 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
496 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
497 (((
498 (% _mstvisible="6" %)
499 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
500 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
501 (((
502 (% _mstvisible="6" %)
503 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
504 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
505 (((
506 (% _mstvisible="6" %)
507 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
508 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
509 (((
510 (% _mstvisible="6" %)
511 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
512 )))
513 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
514 (((
515 (% _mstvisible="6" %)
516 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
517 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
518 (((
519 (% _mstvisible="6" %)
520 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
521 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
522 (((
523 (% _mstvisible="6" %)
524 (((
525 (% _mstvisible="7" %)
526 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
527 )))
528
529 (% _mstvisible="6" %)
530 (((
531 (% _mstvisible="7" %)
532 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
533 )))
534 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
535 (((
536 (% _mstvisible="6" %)
537 (((
538 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
539 BAT Status &
540 )))
541
542 (% _mstvisible="6" %)
543 (((
544 (% _mstvisible="7" %)
545 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
546 )))
547 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
548 (((
549 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
550 Status & Ext
551 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
552 (((
553 (% _mstvisible="6" %)
554 (((
555 (% _mstvisible="7" %)
556 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
557 )))
558 )))
559
560 (% _mstvisible="1" %)
561 * (% _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**
562
563 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
564 (% _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]
565 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
566 (((
567 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
568 BAT Status
569
570 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
571 00(b): Ultra Low ( BAT <= 2.50v)
572
573 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
574 01(b): Low  (2.50v <=BAT <= 2.55v)
575
576 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
577 10(b): OK   (2.55v <= BAT <=2.65v)
578
579 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
580 11(b): Good   (BAT >= 2.65v)
581 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
582 (((
583 (% _mstvisible="6" %)
584 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
585
586 (% _mstvisible="6" %)
587
588 )))
589
590 (% _mstvisible="1" %)
591 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
592
593 (% _mstvisible="1" %)
594 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
595
596 (% _mstvisible="1" %)
597 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
598 * 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.
599 * 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)
600
601 (% _mstvisible="1" %)
602 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
603
604 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
605 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:
606
607 (% _mstvisible="1" %)
608 (((
609 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
610 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
611 )))
612
613 (% _mstvisible="1" %)
614 (((
615 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
616 (% _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.
617 )))
618
619 (% _mstvisible="1" %)
620 (((
621 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
622 Add Datacake:
623 )))
624
625 (% _mstvisible="1" %)
626 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
627
628
629 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
630 Select default key as Access Key:
631
632 (% _mstvisible="1" %)
633 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
634
635 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
636 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
637
638 (% _mstvisible="1" %)
639 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
640
641 (% _mstvisible="1" %)
642 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
643
644
645
646 (% _mstvisible="1" %)
647 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
648
649 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
650 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.
651
652
653 (% _mstvisible="1" %)
654 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
655
656 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
657 There are two methods:
658
659 (% _mstvisible="1" %)
660 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
661 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.
662
663 (% _mstvisible="1" %)
664 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
665
666 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
667 LHT65N uses Unix TimeStamp format based on
668
669 (% _mstvisible="1" %)
670 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
671
672
673 (% _mstvisible="1" %)
674 (((
675 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
676 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
677 )))
678
679 (% _mstvisible="1" %)
680 (((
681 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
682 Below is the converter example
683 )))
684
685 (% _mstvisible="1" %)
686 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
687
688 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
689 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
690
691
692 (% _mstvisible="1" %)
693 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
694
695 (% _mstvisible="1" %)
696 (((
697 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
698 There are two ways to set device’s time:
699 )))
700
701 (% _mstvisible="1" %)
702 (((
703 (% _mstvisible="2" %)
704 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
705 )))
706
707 (% _mstvisible="1" %)
708 (((
709 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
710 User need to set SYNCMOD=1 to enable sync time via MAC command.
711 )))
712
713 (% _mstvisible="1" %)
714 (((
715 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
716 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).
717 )))
718
719 (% _mstvisible="1" %)
720 (((
721 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
722 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.
723 )))
724
725 (% _mstvisible="1" %)
726 (((
727 (% _mstvisible="2" %)
728
729 )))
730
731 (% _mstvisible="1" %)
732 (((
733 (% _mstvisible="2" %)
734 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
735 )))
736
737 (% _mstvisible="1" %)
738 (((
739 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
740 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
741
742 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
743
744 )))
745
746 (% _mstvisible="1" %)
747 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
748
749 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
750 User can poll sensor value based on timestamps from the server. Below is the downlink command.
751
752 (% _mstvisible="1" %)
753 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
754
755 (% _mstvisible="1" %)
756 (((
757 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
758 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.
759 )))
760
761 (% _mstvisible="1" %)
762 (((
763 (% _mstvisible="2" %)
764 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
765 )))
766
767 (% _mstvisible="1" %)
768 (((
769 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
770 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
771 )))
772
773 (% _mstvisible="1" %)
774 (((
775 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
776 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
777 )))
778
779
780 (% _mstvisible="1" %)
781 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
782
783 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
784 The Datalog poll reply uplink will use below payload format.
785
786 (% _mstvisible="1" %)
787 (((
788 (% _mstvisible="2" %)
789 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
790 )))
791
792 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
793 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
794 (((
795 (% _mstvisible="6" %)
796 (((
797 (% _mstvisible="7" %)
798 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
799 )))
800 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
801 (((
802 (% _mstvisible="6" %)
803 (((
804 (% _mstvisible="7" %)
805 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
806 )))
807 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
808 (((
809 (% _mstvisible="6" %)
810 (((
811 (% _mstvisible="7" %)
812 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
813 )))
814 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
815 (((
816 (% _mstvisible="6" %)
817 (((
818 (% _mstvisible="7" %)
819 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
820 )))
821 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
822 (((
823 (% _mstvisible="6" %)
824 (((
825 (% _mstvisible="7" %)
826 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
827 )))
828 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
829 (((
830 (% _mstvisible="6" %)
831 (((
832 (% _mstvisible="7" %)
833 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
834 )))
835 )))
836 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
837 (((
838 (% _mstvisible="6" %)
839 (((
840 (% _mstvisible="7" %)
841 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
842 )))
843 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
844 (((
845 (% _mstvisible="6" %)
846 (((
847 (% _mstvisible="7" %)
848 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
849 )))
850 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
851 (((
852 (% _mstvisible="6" %)
853 (((
854 (% _mstvisible="7" %)
855 (((
856 (% _mstvisible="8" %)
857 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
858 )))
859 )))
860
861 (% _mstvisible="6" %)
862 (((
863 (% _mstvisible="7" %)
864 (((
865 (% _mstvisible="8" %)
866 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
867 )))
868 )))
869 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
870 (((
871 (% _mstvisible="6" %)
872 (((
873 (% _mstvisible="7" %)
874 (((
875 (% _mstvisible="8" %)
876 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
877 )))
878 )))
879
880 (% _mstvisible="6" %)
881 (((
882 (% _mstvisible="7" %)
883 (((
884 (% _mstvisible="8" %)
885 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
886 )))
887 )))
888 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
889 (((
890 (% _mstvisible="6" %)
891 (((
892 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
893 Poll message flag & Ext
894 )))
895 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
896 (((
897 (% _mstvisible="6" %)
898 (((
899 (% _mstvisible="7" %)
900 (((
901 (% _mstvisible="8" %)
902 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
903 )))
904 )))
905
906 (% _mstvisible="6" %)
907 (((
908 (% _mstvisible="7" %)
909 (((
910 (% _mstvisible="8" %)
911
912 )))
913 )))
914 )))
915
916 (% _mstvisible="1" %)
917 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
918
919 (% _mstvisible="1" %)
920 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
921
922 (% _mstvisible="1" %)
923 (((
924 (% _mstvisible="2" %)
925 (((
926 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
927 Poll Message Flag: 1: This message is a poll message reply.
928 )))
929 )))
930
931 (% _mstvisible="1" %)
932 * (% _mstvisible="3" %)
933 (((
934 (% _mstvisible="4" %)
935 (((
936 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
937 Poll Message Flag is set to 1.
938 )))
939 )))
940 * (% _mstvisible="3" %)
941 (((
942 (% _mstvisible="4" %)
943 (((
944 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
945 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
946 )))
947 )))
948
949 (% _mstvisible="1" %)
950 (((
951 (% _mstvisible="2" %)
952 (((
953 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
954
955
956 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
957 For example, in US915 band, the max payload for different DR is:
958 )))
959 )))
960
961 (% _mstvisible="1" %)
962 (((
963 (% _mstvisible="2" %)
964 (((
965 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
966 a) DR0: max is 11 bytes so one entry of data
967 )))
968 )))
969
970 (% _mstvisible="1" %)
971 (((
972 (% _mstvisible="2" %)
973 (((
974 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
975 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
976 )))
977 )))
978
979 (% _mstvisible="1" %)
980 (((
981 (% _mstvisible="2" %)
982 (((
983 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
984 c) DR2: total payload includes 11 entries of data
985 )))
986 )))
987
988 (% _mstvisible="1" %)
989 (((
990 (% _mstvisible="2" %)
991 (((
992 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
993 d) DR3: total payload includes 22 entries of data.
994 )))
995 )))
996
997 (% _mstvisible="1" %)
998 (((
999 (% _mstvisible="2" %)
1000 (((
1001 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1002 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1003 )))
1004 )))
1005
1006
1007 (% _mstvisible="1" style="text-align: left;" %)
1008 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1009
1010 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1011 If LHT65N has below data inside Flash:
1012
1013 (% _mstvisible="1" %)
1014 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1015
1016 (% _mstvisible="1" %)
1017 (((
1018 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1019 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1020 )))
1021
1022 (% _mstvisible="1" %)
1023 (((
1024 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1025 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1026 )))
1027
1028 (% _mstvisible="1" %)
1029 (((
1030 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1031 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1032 )))
1033
1034 (% _mstvisible="1" %)
1035 (((
1036 (% _mstvisible="2" %)
1037
1038 )))
1039
1040 (% _mstvisible="1" %)
1041 (((
1042 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1043 LHT65N will uplink this payload.
1044 )))
1045
1046 (% _mstvisible="1" %)
1047 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1048
1049 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1050 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1051
1052 (% _msthash="315237" _msttexthash="1385839" %)
1053 Where the first 11 bytes is for the first entry:
1054
1055 (% _msthash="315238" _msttexthash="274846" %)
1056 7FFF089801464160065F97
1057
1058 (% _msthash="315239" _msttexthash="617435" %)
1059 Ext sensor data=0x7FFF/100=327.67
1060
1061 (% _msthash="315240" _msttexthash="270543" %)
1062 Temp=0x0898/100=22.00
1063
1064 (% _msthash="315241" _msttexthash="211783" %)
1065 Hum=0x0146/10=32.6
1066
1067 (% _msthash="315242" _msttexthash="1569776" %)
1068 poll message flag & Ext=0x41,means reply data,Ext=1
1069
1070 (% _msthash="315243" _msttexthash="1120509" %)
1071 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1072
1073
1074 (% _mstvisible="1" style="text-align: left;" %)
1075 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1076
1077 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1078 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.
1079
1080 (% _mstvisible="1" %)
1081 (((
1082 (% _mstvisible="2" style="text-align: left;" %)
1083 (% _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.
1084 )))
1085
1086 (% _mstvisible="1" style="text-align: left;" %)
1087 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1088
1089 (% _mstvisible="1" class="box infomessage" %)
1090 (((
1091 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1092 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1093
1094 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1095 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1096
1097 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1098 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1099
1100 (% _mstvisible="2" style="text-align: left;" %)
1101 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1102
1103 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1104 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1105 )))
1106
1107
1108
1109 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1110 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1111
1112 (% _mstvisible="1" %)
1113 (((
1114 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1115 The LHT65 has a triple color LED which for easy showing different stage .
1116
1117 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1118 While user press ACT button, the LED will work as per LED status with ACT button.
1119 )))
1120
1121 (% _mstvisible="1" %)
1122 (((
1123 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1124 In a normal working state:
1125 )))
1126
1127 (% _mstvisible="1" %)
1128 * (% _mstvisible="3" %)
1129 (((
1130 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1131 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1132
1133 (% _msthash="197771" _msttexthash="1202526" %)
1134 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1135 )))
1136 * (% _mstvisible="3" %)
1137 (((
1138 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1139 RED LED when external sensor is not connected
1140 )))
1141 * (% _mstvisible="3" %)
1142 (((
1143 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1144 For each success downlink, the PURPLE LED will blink once
1145
1146
1147
1148 )))
1149
1150 (% _mstvisible="1" style="text-align: left;" %)
1151 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1152
1153 (% _mstvisible="1" %)
1154 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1155
1156
1157 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1158 = (% _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(%%) =
1159
1160 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1161 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1162
1163 (% _mstvisible="1" %)
1164 [[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"]]
1165
1166
1167 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1168 Temperature sensor with 2 meters cable long
1169
1170 (% _mstvisible="1" %)
1171 * Resolution: 0.0625 °C
1172 * ±0.5°C accuracy from -10°C to +85°C
1173 * ±2°C accuracy from -55°C to +125°C
1174 * Operating Range: -40 ~~ 125 °C
1175 * -55°C to 125°C
1176 * Working voltage 2.35v ~~ 5v
1177
1178 (% _mstvisible="1" style="text-align: left;" %)
1179 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1180
1181 (% _mstvisible="1" %)
1182 (((
1183 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1184 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1185 )))
1186
1187 (% _mstvisible="1" %)
1188 * (% _mstvisible="3" %)
1189 (((
1190 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1191 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1192 )))
1193 * (% _mstvisible="3" %)
1194 (((
1195 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1196 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1197 )))
1198
1199 (% _mstvisible="1" %)
1200 (((
1201 (% _mstvisible="2" style="text-align: left;" %)
1202
1203 )))
1204
1205 (% _mstvisible="1" %)
1206 (((
1207 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1208 There are two kinds of commands to configure LHT65N, they are:
1209 )))
1210
1211 (% _mstvisible="1" %)
1212 (((
1213 (% _mstvisible="2" style="text-align: left;" %)
1214 (% _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" %).
1215 )))
1216
1217 (% _mstvisible="1" %)
1218 (((
1219 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1220 These commands are to configure:
1221 )))
1222
1223 (% _mstvisible="1" %)
1224 * (% _mstvisible="3" %)
1225 (((
1226 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1227 General system settings like: uplink interval.
1228 )))
1229 * (% _mstvisible="3" %)
1230 (((
1231 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1232 LoRaWAN protocol & radio-related commands.
1233 )))
1234
1235 (% _mstvisible="1" %)
1236 (((
1237 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1238 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]]
1239 )))
1240
1241 (% _mstvisible="1" %)
1242 (((
1243 (% _mstvisible="2" style="text-align: left;" %)
1244
1245 )))
1246
1247 (% _mstvisible="1" %)
1248 (((
1249 (% _mstvisible="2" style="text-align: left;" %)
1250 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1251 )))
1252
1253 (% _mstvisible="1" %)
1254 (((
1255 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1256 These commands are only valid for LHT65N, as below:
1257
1258
1259 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1260
1261 )))
1262
1263 (% _mstvisible="1" style="text-align: left;" %)
1264 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1265
1266 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1267 Feature: Change LoRaWAN End Node Transmit Interval.
1268
1269 (% _mstvisible="1" style="text-align: left;" %)
1270 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1271
1272 (% _mstvisible="1" %)
1273 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1274
1275 (% _mstvisible="1" %)
1276 (((
1277 (% _mstvisible="2" style="text-align: left;" %)
1278
1279
1280 (% _mstvisible="2" style="text-align: left;" %)
1281 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1282 )))
1283
1284 (% _mstvisible="1" %)
1285 (((
1286 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1287 Format: Command Code (0x01) followed by 3 bytes time value.
1288 )))
1289
1290 (% _mstvisible="1" %)
1291 (((
1292 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1293 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1294 )))
1295
1296 (% _mstvisible="1" %)
1297 * (% _mstvisible="3" %)
1298 (((
1299 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1300 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1301 )))
1302 * (% _mstvisible="3" %)
1303 (((
1304 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1305 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1306
1307
1308 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1309
1310 )))
1311
1312 (% _mstvisible="1" style="text-align: left;" %)
1313 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1314
1315 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1316 Feature: Change External Sensor Mode.
1317
1318 (% _mstvisible="1" style="text-align: left;" %)
1319 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1320
1321 (% _mstvisible="1" %)
1322 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1323
1324 (% _mstvisible="1" %)
1325 (((
1326 (% _mstvisible="2" style="text-align: left;" %)
1327
1328
1329 (% _mstvisible="2" style="text-align: left;" %)
1330 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1331 )))
1332
1333 (% _mstvisible="1" %)
1334 (((
1335 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1336 Total bytes: 2 ~~ 5 bytes
1337 )))
1338
1339 (% _mstvisible="1" %)
1340 (((
1341 (% _mstvisible="2" %)
1342 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1343 )))
1344
1345 (% _mstvisible="1" %)
1346 * (% _mstvisible="3" %)
1347 (((
1348 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1349 0xA201: Set external sensor type to E1
1350 )))
1351 * (% _mstvisible="3" %)
1352 (((
1353 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1354 0xA209: Same as AT+EXT=9
1355 )))
1356 * (% _mstvisible="3" %)
1357 (((
1358 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1359 0xA20702003c,Same as AT+SETCNT=60
1360
1361
1362 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1363
1364 )))
1365
1366 (% _mstvisible="1" style="text-align: left;" %)
1367 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1368
1369 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1370 Feature: If PID is enabled, device will send the temperature probe ID on:
1371
1372 (% _mstvisible="1" %)
1373 * First Packet after OTAA Join
1374 * Every 24 hours since the first packet.
1375
1376 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1377 PID is default set to disable (0)
1378
1379 (% _mstvisible="1" style="text-align: left;" %)
1380 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1381
1382 (% _mstvisible="1" %)
1383 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1384
1385
1386 (% _mstvisible="1" style="text-align: left;" %)
1387 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1388
1389 (% _mstvisible="1" %)
1390 * 0xA800  **~-~->** AT+PID=0
1391 * 0xA801     **~-~->** AT+PID=1
1392
1393 (% _mstvisible="1" style="text-align: left;" %)
1394 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1395
1396 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1397 Feature: Set device password, max 9 digits
1398
1399 (% _mstvisible="1" style="text-align: left;" %)
1400 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1401
1402 (% _mstvisible="1" %)
1403 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1404
1405 (% _mstvisible="1" %)
1406 (((
1407 (% _mstvisible="2" style="text-align: left;" %)
1408
1409
1410 (% _mstvisible="2" style="text-align: left;" %)
1411 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1412 )))
1413
1414 (% _mstvisible="1" %)
1415 (((
1416 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1417 No downlink command for this feature.
1418
1419 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1420
1421 )))
1422
1423 (% _mstvisible="1" style="text-align: left;" %)
1424 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1425
1426 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1427 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1428
1429 (% _mstvisible="1" style="text-align: left;" %)
1430 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1431
1432 (% _mstvisible="1" %)
1433 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1434
1435
1436 (% _mstvisible="1" style="text-align: left;" %)
1437 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1438
1439 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1440 No downlink command for this feature.
1441
1442
1443 (% _mstvisible="1" style="text-align: left;" %)
1444 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1445
1446 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1447 Feature: Set device to sleep mode
1448
1449 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1450 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1451
1452 (% _mstvisible="1" style="text-align: left;" %)
1453 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1454
1455 (% _mstvisible="1" %)
1456 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1457
1458 (% _mstvisible="1" %)
1459 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1460
1461 (% _mstvisible="1" %)
1462 * There is no downlink command to set to Sleep mode.
1463
1464 (% _mstvisible="1" %)
1465 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1466
1467 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1468 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1469
1470 (% _mstvisible="1" %)
1471 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1472
1473 (% _mstvisible="1" %)
1474 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1475
1476
1477 (% _mstvisible="1" %)
1478 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1479
1480 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1481 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1482
1483
1484 (% _mstvisible="1" %)
1485 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1486
1487 (% _mstvisible="1" %)
1488 (((
1489 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1490 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1491 )))
1492
1493 (% _mstvisible="1" %)
1494 (((
1495 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1496 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.
1497 )))
1498
1499 (% _mstvisible="1" %)
1500 (((
1501 (% _mstvisible="2" %)
1502 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1503 )))
1504
1505 (% _mstvisible="1" %)
1506 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1507
1508
1509 (% _mstvisible="1" %)
1510 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1511
1512 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1513 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1514
1515 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1516 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1517
1518
1519 (% _mstvisible="1" %)
1520 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1521
1522 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1523 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1524
1525 (% _mstvisible="1" %)
1526 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1527
1528 (% _mstvisible="1" %)
1529 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1530
1531
1532 (% _mstvisible="1" %)
1533 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1534
1535 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1536 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1537
1538
1539 (% _mstvisible="1" %)
1540 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1541
1542 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1543 Feature: Print the sector data from start page to stop page (max is 416 pages).
1544
1545 (% _mstvisible="1" %)
1546 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1547
1548 (% _mstvisible="1" %)
1549 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1550
1551
1552 (% _mstvisible="1" %)
1553 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1554
1555 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1556 No downlink commands for feature
1557
1558
1559 (% _mstvisible="1" %)
1560 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1561
1562 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1563 Feature: Print the last few data entries
1564
1565 (% _mstvisible="1" %)
1566 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1567
1568 (% _mstvisible="1" %)
1569 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1570
1571
1572 (% _mstvisible="1" %)
1573 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1574
1575 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1576 No downlink commands for feature
1577
1578
1579 (% _mstvisible="1" %)
1580 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1581
1582 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1583 Feature: Clear flash storage for data log feature.
1584
1585 (% _mstvisible="1" %)
1586 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1587
1588 (% _mstvisible="1" %)
1589 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1590
1591
1592 (% _mstvisible="1" %)
1593 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1594
1595 (% _mstvisible="1" %)
1596 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1597
1598 (% _mstvisible="1" %)
1599 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1600
1601 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1602 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.
1603
1604
1605 (% _mstvisible="1" %)
1606 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1607
1608 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1609 The default factory setting is 0
1610
1611 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1612 (% _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**
1613 (% _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
1614
1615 (% _mstvisible="1" %)
1616 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1617
1618 (% _mstvisible="1" %)
1619 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1620
1621 (% _mstvisible="1" %)
1622 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1623
1624 (% _mstvisible="1" %)
1625 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1626
1627 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1628 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.
1629
1630 (% _mstvisible="1" %)
1631 (((
1632 (% _mstvisible="2" %)
1633 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1634 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1635 )))
1636
1637 (% _mstvisible="1" %)
1638 (((
1639 (% _mstvisible="2" %)
1640 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1641
1642 )))
1643
1644 (% _mstvisible="1" %)
1645 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1646
1647 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1648 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.
1649
1650 (% _mstvisible="1" %)
1651 [[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"]]
1652
1653 (% _mstvisible="1" %)
1654 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1655
1656 (% _mstvisible="1" %)
1657 (((
1658 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1659 (((
1660 (% _msthash="736723" _msttexthash="35479028" %)
1661 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:
1662 [[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]]
1663 )))
1664
1665 (((
1666
1667 )))
1668
1669 (((
1670 (% _msthash="736724" _msttexthash="12045098" %)
1671 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]]
1672 )))
1673
1674
1675 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1676 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1677
1678 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1679 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1680
1681 (((
1682 (% _msthash="736725" _msttexthash="9345674" %)
1683 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.
1684 )))
1685
1686 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1687
1688
1689 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1690
1691 (% _msthash="506062" _msttexthash="1187732" %)
1692 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1693
1694 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1695
1696 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1697
1698 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1699
1700
1701 (((
1702 (% _msthash="736726" _msttexthash="67213055" %)
1703 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.
1704 )))
1705
1706 (((
1707 (% _msthash="736727" _msttexthash="1907009" %)
1708 Input password and ATZ to activate LHT65N,As shown below:
1709 )))
1710
1711 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1712
1713
1714 (% _msthash="506066" _msttexthash="544869" %)
1715 AT Command List is as below:
1716
1717 (% _msthash="506067" _msttexthash="361920" %)
1718 AT+<CMD>? :  Help on <CMD>
1719
1720 (% _msthash="506068" _msttexthash="243061" %)
1721 AT+<CMD> :  Run <CMD>
1722
1723 (% _msthash="506069" _msttexthash="704197" %)
1724 AT+<CMD>=<value> :  Set the value
1725
1726 (% _msthash="506070" _msttexthash="455676" %)
1727 AT+<CMD>=? :  Get the value
1728
1729 (% _msthash="506071" _msttexthash="670553" %)
1730 AT+DEBUG:  Set more info output
1731
1732 (% _msthash="506072" _msttexthash="485888" %)
1733 ATZ:  Trig a reset of the MCU
1734
1735 (% _msthash="506073" _msttexthash="2068872" %)
1736 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1737
1738 (% _msthash="506074" _msttexthash="689169" %)
1739 AT+DEUI:  Get or Set the Device EUI
1740
1741 (% _msthash="506075" _msttexthash="960414" %)
1742 AT+DADDR:  Get or Set the Device Address
1743
1744 (% _msthash="506076" _msttexthash="1079897" %)
1745 AT+APPKEY:  Get or Set the Application Key
1746
1747 (% _msthash="506077" _msttexthash="1326143" %)
1748 AT+NWKSKEY:  Get or Set the Network Session Key
1749
1750 (% _msthash="506078" _msttexthash="1573000" %)
1751 AT+APPSKEY:  Get or Set the Application Session Key
1752
1753 (% _msthash="506079" _msttexthash="1041729" %)
1754 AT+APPEUI:  Get or Set the Application EUI
1755
1756 (% _msthash="506080" _msttexthash="2104206" %)
1757 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1758
1759 (% _msthash="506081" _msttexthash="3369288" %)
1760 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1761
1762 (% _msthash="506082" _msttexthash="1894529" %)
1763 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1764
1765 (% _msthash="506083" _msttexthash="3864172" %)
1766 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1767
1768 (% _msthash="506084" _msttexthash="1712204" %)
1769 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1770
1771 (% _msthash="506085" _msttexthash="1281202" %)
1772 AT+RX2FQ:  Get or Set the Rx2 window frequency
1773
1774 (% _msthash="506086" _msttexthash="2796781" %)
1775 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1776
1777 (% _msthash="506087" _msttexthash="3285165" %)
1778 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1779
1780 (% _msthash="506088" _msttexthash="3286179" %)
1781 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1782
1783 (% _msthash="506089" _msttexthash="4703803" %)
1784 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1785
1786 (% _msthash="506090" _msttexthash="4704999" %)
1787 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1788
1789 (% _msthash="506091" _msttexthash="1528683" %)
1790 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1791
1792 (% _msthash="506092" _msttexthash="757185" %)
1793 AT+NWKID:  Get or Set the Network ID
1794
1795 (% _msthash="506093" _msttexthash="1156597" %)
1796 AT+FCU:  Get or Set the Frame Counter Uplink
1797
1798 (% _msthash="506094" _msttexthash="1273987" %)
1799 AT+FCD:  Get or Set the Frame Counter Downlink
1800
1801 (% _msthash="506095" _msttexthash="859222" %)
1802 AT+CLASS:  Get or Set the Device Class
1803
1804 (% _msthash="506096" _msttexthash="384852" %)
1805 AT+JOIN:  Join network
1806
1807 (% _msthash="506097" _msttexthash="548626" %)
1808 AT+NJS:  Get the join status
1809
1810 (% _msthash="506098" _msttexthash="2546206" %)
1811 AT+SENDB:  Send hexadecimal data along with the application port
1812
1813 (% _msthash="506099" _msttexthash="1932307" %)
1814 AT+SEND:  Send text data along with the application port
1815
1816 (% _msthash="506100" _msttexthash="3560557" %)
1817 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1818
1819 (% _msthash="506101" _msttexthash="1429701" %)
1820 AT+RECV:  Print last received data in raw format
1821
1822 (% _msthash="506102" _msttexthash="1735981" %)
1823 AT+VER:  Get current image version and Frequency Band
1824
1825 (% _msthash="506103" _msttexthash="1189474" %)
1826 AT+CFM:  Get or Set the confirmation mode (0-1)
1827
1828 (% _msthash="506104" _msttexthash="1718210" %)
1829 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1830
1831 (% _msthash="506105" _msttexthash="1339403" %)
1832 AT+SNR:  Get the SNR of the last received packet
1833
1834 (% _msthash="506106" _msttexthash="1452009" %)
1835 AT+RSSI:  Get the RSSI of the last received packet
1836
1837 (% _msthash="506107" _msttexthash="2768142" %)
1838 AT+TDC:  Get or set the application data transmission interval in ms
1839
1840 (% _msthash="506108" _msttexthash="1083914" %)
1841 AT+PORT:  Get or set the application port
1842
1843 (% _msthash="506109" _msttexthash="622440" %)
1844 AT+DISAT:  Disable AT commands
1845
1846 (% _msthash="506110" _msttexthash="868361" %)
1847 AT+PWORD:  Set password, max 9 digits
1848
1849 (% _msthash="506111" _msttexthash="2210299" %)
1850 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1851
1852 (% _msthash="506112" _msttexthash="2113462" %)
1853 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1854
1855 (% _msthash="506113" _msttexthash="2087423" %)
1856 AT+PDTA:  Print the sector data from start page to stop page
1857
1858 (% _msthash="506114" _msttexthash="1063127" %)
1859 AT+PLDTA:  Print the last few sets of data
1860
1861 (% _msthash="506115" _msttexthash="1999426" %)
1862 AT+CLRDTA:  Clear the storage, record position back to 1st
1863
1864 (% _msthash="506116" _msttexthash="442130" %)
1865 AT+SLEEP:  Set sleep mode
1866
1867 (% _msthash="506117" _msttexthash="1080222" %)
1868 AT+EXT:  Get or Set external sensor model
1869
1870 (% _msthash="506118" _msttexthash="1309490" %)
1871 AT+BAT:  Get the current battery voltage in mV
1872
1873 (% _msthash="506119" _msttexthash="813891" %)
1874 AT+CFG:  Print all configurations
1875
1876 (% _msthash="506120" _msttexthash="551707" %)
1877 AT+WMOD:  Get or Set Work Mode
1878
1879 (% _msthash="506121" _msttexthash="2631499" %)
1880 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1881
1882 (% _msthash="506122" _msttexthash="3907150" %)
1883 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1884
1885 (% _msthash="506123" _msttexthash="854620" %)
1886 AT+SETCNT:  Set the count at present
1887
1888 (% _msthash="506124" _msttexthash="2554877" %)
1889 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1890
1891 (% _msthash="506125" _msttexthash="771849" %)
1892 AT+RPL:  Get or set response level
1893
1894 (% _msthash="506126" _msttexthash="1484314" %)
1895 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1896
1897 (% _msthash="506127" _msttexthash="741728" %)
1898 AT+LEAPSEC:  Get or Set Leap Second
1899
1900 (% _msthash="506128" _msttexthash="1694017" %)
1901 AT+SYNCMOD:  Get or Set time synchronization method
1902
1903 (% _msthash="506129" _msttexthash="2235948" %)
1904 AT+SYNCTDC:  Get or set time synchronization interval in day
1905
1906 (% _msthash="506130" _msttexthash="425542" %)
1907 AT+PID:  Get or set the PID
1908
1909
1910 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1911
1912 (% _msthash="506131" _msttexthash="14585714" %)
1913 AT commands：
1914
1915 [[image:image-20220615092034-1.png||_mstalt="428870"]]
1916
1917 (% _msthash="506132" _msttexthash="337922" %)
1918 Downlink commands:
1919
1920
1921 (% _msthash="506133" _msttexthash="33046" %)
1922 **TTN:**
1923
1924 [[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1925
1926
1927 (% _msthash="506134" _msttexthash="11113791" %)
1928 **Helium：**
1929
1930 [[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1931
1932
1933 (% _msthash="506135" _msttexthash="4159844" %)
1934 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1935
1936 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1937
1938 [[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1939
1940
1941 (% _msthash="506136" _msttexthash="39286" %)
1942 **Aws:**
1943
1944 [[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1945
1946
1947 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1948
1949 [[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"]]
1950
1951
1952 (% _msthash="536757" _msttexthash="1874951" %)
1953 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1954
1955 [[image:image-20220615153355-1.png]]
1956
1957 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1958
1959 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1960
1961 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1962
1963 [[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1964
1965
1966 (((
1967 (% _msthash="736728" _msttexthash="67213055" %)
1968 (((
1969 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.
1970 )))
1971 )))
1972
1973 (((
1974 (% _msthash="736729" _msttexthash="1907009" %)
1975 Input password and ATZ to activate LHT65N,As shown below:
1976
1977 [[image:image-20220615154519-3.png]]
1978
1979
1980 )))
1981
1982
1983 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1984
1985 [[image:image-20220615153355-1.png]]
1986
1987 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1988
1989 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1990
1991 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1992
1993 Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
1994
1995
1996 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
1997
1998 [[image:image-20220615170542-5.png]]
1999
2000
2001 (% _msthash="506146" _msttexthash="52173160" %)
2002 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2003
2004
2005 (% _msthash="506147" _msttexthash="188083584" %)
2006 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2007
2008 [[image:image-20220615171334-6.png]]
2009
2010
2011 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2012
2013
2014 )))
2015
2016 (% _mstvisible="1" %)
2017 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2018
2019 (% _mstvisible="1" %)
2020 (((
2021 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2022 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2023 )))
2024
2025 (% _mstvisible="1" %)
2026 (((
2027 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2028 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2029 )))
2030
2031 (% _mstvisible="1" %)
2032 * (% _mstvisible="3" %)
2033 (((
2034 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2035 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2036 )))
2037 * (% _mstvisible="3" %)
2038 (((
2039 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2040 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2041 )))
2042 * (% _mstvisible="3" %)
2043 (((
2044 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2045 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2046 )))
2047 * (% _mstvisible="3" %)
2048 (((
2049 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2050 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2051 )))
2052 * (% _mstvisible="3" %)
2053 (((
2054 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2055 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2056 )))
2057 * (% _mstvisible="3" %)
2058 (((
2059 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2060 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2061 )))
2062 * (% _mstvisible="3" %)
2063 (((
2064 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2065 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2066 )))
2067 * (% _mstvisible="3" %)
2068 (((
2069 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2070 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2071 )))
2072
2073 (% _mstvisible="1" %)
2074 (((
2075 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2076 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2077 )))
2078
2079 (% _mstvisible="1" %)
2080 * (% _mstvisible="3" %)
2081 (((
2082 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2083 (% style="color:red" %)**E3**(%%): External Temperature Probe
2084
2085
2086 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2087
2088 )))
2089
2090 (% _mstvisible="1" %)
2091 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2092
2093 (% _mstvisible="1" %)
2094 (((
2095 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2096
2097
2098 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2099 (% _mstvisible="3" %)**Package Includes**(%%):
2100 )))
2101
2102 (% _mstvisible="1" %)
2103 * (% _mstvisible="3" %)
2104 (((
2105 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2106 LHT65N Temperature & Humidity Sensor x 1
2107 )))
2108 * (% _mstvisible="3" %)
2109 (((
2110 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2111 Optional external sensor
2112 )))
2113
2114 (% _mstvisible="1" %)
2115 (((
2116 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2117 (% _mstvisible="3" %)**Dimension and weight**(%%):
2118 )))
2119
2120 (% _mstvisible="1" %)
2121 * (% _mstvisible="3" %)
2122 (((
2123 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2124 Device Size:  10 x 10 x 3.5 cm
2125 )))
2126 * (% _mstvisible="3" %)
2127 (((
2128 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2129 Device Weight: 120.5g
2130 )))
2131
2132 (% _mstvisible="3" %)
2133 (((
2134
2135
2136 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2137
2138 )))
2139
2140 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2141
2142 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/home/Products_Public_Document/LoRaWAN%20End%20Node/LHT65N%20Temperature%20%26%20Humidity%20Sensor||_msthash="504975" _msttexthash="51420512"]]
2143
2144
2145
2146 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2147
2148 (% _mstvisible="1" %)
2149 (((
2150 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2151 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2152 )))
2153
2154 (% _mstvisible="1" %)
2155 (((
2156 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2157 (1) This device may not cause harmful interference；
2158 )))
2159
2160 (% _mstvisible="1" %)
2161 (((
2162 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2163 (2) this device must accept any interference received, including interference that may cause undesired operation.
2164 )))