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Version 148.12 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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44 (((
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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210 (% _mstvisible="1" %)
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.
301
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
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
429
430
431 (% _mstvisible="1" %)
432 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
433
434 (% _mstvisible="1" %)
435 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
436
437 (% _mstvisible="1" %)
438 * Humidity:    0x025C/10=60.4%
439
440 (% _mstvisible="1" %)
441 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
442
443 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
444 Bytes for External Sensor:
445
446 (% _mstvisible="1" %)
447 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
448
449
450 (% _mstvisible="1" %)
451 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
452
453 (% _mstvisible="1" %)
454 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
455
456 (% _mstvisible="1" %)
457 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
458
459
460 (% _mstvisible="1" %)
461 * DS18B20 temp=0x0ADD/100=27.81℃
462
463 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
464 The last 2 bytes of data are meaningless
465
466 (% _mstvisible="1" %)
467 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
468
469
470 (% _mstvisible="1" %)
471 * External temperature= (0xF54F-65536)/100=-27.37℃
472
473 (% _mstvisible="1" %)
474 (((
475 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
476 The last 2 bytes of data are meaningless
477 )))
478
479 (% _mstvisible="1" %)
480 (((
481 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
482 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
483 )))
484
485
486
487 (% _mstvisible="1" %)
488 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
489
490 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
491 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:
492
493 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
494 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
495 (((
496 (% _mstvisible="6" %)
497 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
498 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
499 (((
500 (% _mstvisible="6" %)
501 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
502 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
503 (((
504 (% _mstvisible="6" %)
505 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
506 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
507 (((
508 (% _mstvisible="6" %)
509 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
510 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
511 (((
512 (% _mstvisible="6" %)
513 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
514 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
515 (((
516 (% _mstvisible="6" %)
517 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
518 )))
519 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
520 (((
521 (% _mstvisible="6" %)
522 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
523 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
524 (((
525 (% _mstvisible="6" %)
526 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
527 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
528 (((
529 (% _mstvisible="6" %)
530 (((
531 (% _mstvisible="7" %)
532 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
533 )))
534
535 (% _mstvisible="6" %)
536 (((
537 (% _mstvisible="7" %)
538 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
539 )))
540 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
541 (((
542 (% _mstvisible="6" %)
543 (((
544 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
545 BAT Status &
546 )))
547
548 (% _mstvisible="6" %)
549 (((
550 (% _mstvisible="7" %)
551 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
552 )))
553 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
554 (((
555 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
556 Status & Ext
557 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
558 (((
559 (% _mstvisible="6" %)
560 (((
561 (% _mstvisible="7" %)
562 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
563 )))
564 )))
565
566 (% _mstvisible="1" %)
567 * (% _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**
568
569 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
570 (% _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]
571 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
572 (((
573 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
574 BAT Status
575
576 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
577 00(b): Ultra Low ( BAT <= 2.50v)
578
579 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
580 01(b): Low  (2.50v <=BAT <= 2.55v)
581
582 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
583 10(b): OK   (2.55v <= BAT <=2.65v)
584
585 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
586 11(b): Good   (BAT >= 2.65v)
587 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
588 (((
589 (% _mstvisible="6" %)
590 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
591
592 (% _mstvisible="6" %)
593
594 )))
595
596 (% _mstvisible="1" %)
597 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
598
599 (% _mstvisible="1" %)
600 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
601
602 (% _mstvisible="1" %)
603 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
604 * 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.
605 * 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)
606
607 (% _mstvisible="1" %)
608 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
609
610 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
611 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:
612
613 (% _mstvisible="1" %)
614 (((
615 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
616 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
617 )))
618
619 (% _mstvisible="1" %)
620 (((
621 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
622 (% _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.
623 )))
624
625 (% _mstvisible="1" %)
626 (((
627 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
628 Add Datacake:
629 )))
630
631 (% _mstvisible="1" %)
632 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
633
634
635 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
636 Select default key as Access Key:
637
638 (% _mstvisible="1" %)
639 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
640
641 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
642 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
643
644 (% _mstvisible="1" %)
645 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
646
647 (% _mstvisible="1" %)
648 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
649
650
651
652 (% _mstvisible="1" %)
653 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
654
655 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
656 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.
657
658
659 (% _mstvisible="1" %)
660 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
661
662 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
663 There are two methods:
664
665 (% _mstvisible="1" %)
666 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
667 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.
668
669 (% _mstvisible="1" %)
670 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
671
672 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
673 LHT65N uses Unix TimeStamp format based on
674
675 (% _mstvisible="1" %)
676 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
677
678
679 (% _mstvisible="1" %)
680 (((
681 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
682 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
683 )))
684
685 (% _mstvisible="1" %)
686 (((
687 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
688 Below is the converter example
689 )))
690
691 (% _mstvisible="1" %)
692 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
693
694 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
695 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
696
697
698 (% _mstvisible="1" %)
699 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
700
701 (% _mstvisible="1" %)
702 (((
703 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
704 There are two ways to set device’s time:
705 )))
706
707 (% _mstvisible="1" %)
708 (((
709 (% _mstvisible="2" %)
710 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
711 )))
712
713 (% _mstvisible="1" %)
714 (((
715 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
716 User need to set SYNCMOD=1 to enable sync time via MAC command.
717 )))
718
719 (% _mstvisible="1" %)
720 (((
721 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
722 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).
723 )))
724
725 (% _mstvisible="1" %)
726 (((
727 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
728 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.
729 )))
730
731 (% _mstvisible="1" %)
732 (((
733 (% _mstvisible="2" %)
734
735 )))
736
737 (% _mstvisible="1" %)
738 (((
739 (% _mstvisible="2" %)
740 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
741 )))
742
743 (% _mstvisible="1" %)
744 (((
745 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
746 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
747
748 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
749
750 )))
751
752 (% _mstvisible="1" %)
753 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
754
755 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
756 User can poll sensor value based on timestamps from the server. Below is the downlink command.
757
758 (% _mstvisible="1" %)
759 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
760
761 (% _mstvisible="1" %)
762 (((
763 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
764 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.
765 )))
766
767 (% _mstvisible="1" %)
768 (((
769 (% _mstvisible="2" %)
770 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
771 )))
772
773 (% _mstvisible="1" %)
774 (((
775 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
776 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
777 )))
778
779 (% _mstvisible="1" %)
780 (((
781 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
782 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
783 )))
784
785
786 (% _mstvisible="1" %)
787 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
788
789 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
790 The Datalog poll reply uplink will use below payload format.
791
792 (% _mstvisible="1" %)
793 (((
794 (% _mstvisible="2" %)
795 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
796 )))
797
798 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
799 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
800 (((
801 (% _mstvisible="6" %)
802 (((
803 (% _mstvisible="7" %)
804 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
805 )))
806 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
807 (((
808 (% _mstvisible="6" %)
809 (((
810 (% _mstvisible="7" %)
811 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
812 )))
813 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
814 (((
815 (% _mstvisible="6" %)
816 (((
817 (% _mstvisible="7" %)
818 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
819 )))
820 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
821 (((
822 (% _mstvisible="6" %)
823 (((
824 (% _mstvisible="7" %)
825 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
826 )))
827 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
828 (((
829 (% _mstvisible="6" %)
830 (((
831 (% _mstvisible="7" %)
832 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
833 )))
834 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
835 (((
836 (% _mstvisible="6" %)
837 (((
838 (% _mstvisible="7" %)
839 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
840 )))
841 )))
842 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
843 (((
844 (% _mstvisible="6" %)
845 (((
846 (% _mstvisible="7" %)
847 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
848 )))
849 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
850 (((
851 (% _mstvisible="6" %)
852 (((
853 (% _mstvisible="7" %)
854 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
855 )))
856 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
857 (((
858 (% _mstvisible="6" %)
859 (((
860 (% _mstvisible="7" %)
861 (((
862 (% _mstvisible="8" %)
863 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
864 )))
865 )))
866
867 (% _mstvisible="6" %)
868 (((
869 (% _mstvisible="7" %)
870 (((
871 (% _mstvisible="8" %)
872 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
873 )))
874 )))
875 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
876 (((
877 (% _mstvisible="6" %)
878 (((
879 (% _mstvisible="7" %)
880 (((
881 (% _mstvisible="8" %)
882 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
883 )))
884 )))
885
886 (% _mstvisible="6" %)
887 (((
888 (% _mstvisible="7" %)
889 (((
890 (% _mstvisible="8" %)
891 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
892 )))
893 )))
894 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
895 (((
896 (% _mstvisible="6" %)
897 (((
898 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
899 Poll message flag & Ext
900 )))
901 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
902 (((
903 (% _mstvisible="6" %)
904 (((
905 (% _mstvisible="7" %)
906 (((
907 (% _mstvisible="8" %)
908 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
909 )))
910 )))
911
912 (% _mstvisible="6" %)
913 (((
914 (% _mstvisible="7" %)
915 (((
916 (% _mstvisible="8" %)
917
918 )))
919 )))
920 )))
921
922 (% _mstvisible="1" %)
923 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
924
925 (% _mstvisible="1" %)
926 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
927
928 (% _mstvisible="1" %)
929 (((
930 (% _mstvisible="2" %)
931 (((
932 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
933 Poll Message Flag: 1: This message is a poll message reply.
934 )))
935 )))
936
937 (% _mstvisible="1" %)
938 * (% _mstvisible="3" %)
939 (((
940 (% _mstvisible="4" %)
941 (((
942 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
943 Poll Message Flag is set to 1.
944 )))
945 )))
946 * (% _mstvisible="3" %)
947 (((
948 (% _mstvisible="4" %)
949 (((
950 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
951 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
952 )))
953 )))
954
955 (% _mstvisible="1" %)
956 (((
957 (% _mstvisible="2" %)
958 (((
959 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
960
961
962 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
963 For example, in US915 band, the max payload for different DR is:
964 )))
965 )))
966
967 (% _mstvisible="1" %)
968 (((
969 (% _mstvisible="2" %)
970 (((
971 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
972 a) DR0: max is 11 bytes so one entry of data
973 )))
974 )))
975
976 (% _mstvisible="1" %)
977 (((
978 (% _mstvisible="2" %)
979 (((
980 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
981 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
982 )))
983 )))
984
985 (% _mstvisible="1" %)
986 (((
987 (% _mstvisible="2" %)
988 (((
989 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
990 c) DR2: total payload includes 11 entries of data
991 )))
992 )))
993
994 (% _mstvisible="1" %)
995 (((
996 (% _mstvisible="2" %)
997 (((
998 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
999 d) DR3: total payload includes 22 entries of data.
1000 )))
1001 )))
1002
1003 (% _mstvisible="1" %)
1004 (((
1005 (% _mstvisible="2" %)
1006 (((
1007 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1008 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1009 )))
1010 )))
1011
1012
1013 (% _mstvisible="1" style="text-align: left;" %)
1014 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1015
1016 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1017 If LHT65N has below data inside Flash:
1018
1019 (% _mstvisible="1" %)
1020 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1021
1022 (% _mstvisible="1" %)
1023 (((
1024 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1025 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1026 )))
1027
1028 (% _mstvisible="1" %)
1029 (((
1030 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1031 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1032 )))
1033
1034 (% _mstvisible="1" %)
1035 (((
1036 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1037 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1038 )))
1039
1040 (% _mstvisible="1" %)
1041 (((
1042 (% _mstvisible="2" %)
1043
1044 )))
1045
1046 (% _mstvisible="1" %)
1047 (((
1048 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1049 LHT65N will uplink this payload.
1050 )))
1051
1052 (% _mstvisible="1" %)
1053 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1054
1055 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1056 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1057
1058 (% _msthash="315237" _msttexthash="1385839" %)
1059 Where the first 11 bytes is for the first entry:
1060
1061 (% _msthash="315238" _msttexthash="274846" %)
1062 7FFF089801464160065F97
1063
1064 (% _msthash="315239" _msttexthash="617435" %)
1065 Ext sensor data=0x7FFF/100=327.67
1066
1067 (% _msthash="315240" _msttexthash="270543" %)
1068 Temp=0x0898/100=22.00
1069
1070 (% _msthash="315241" _msttexthash="211783" %)
1071 Hum=0x0146/10=32.6
1072
1073 (% _msthash="315242" _msttexthash="1569776" %)
1074 poll message flag & Ext=0x41,means reply data,Ext=1
1075
1076 (% _msthash="315243" _msttexthash="1120509" %)
1077 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1078
1079
1080 (% _mstvisible="1" style="text-align: left;" %)
1081 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1082
1083 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1084 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.
1085
1086 (% _mstvisible="1" %)
1087 (((
1088 (% _mstvisible="2" style="text-align: left;" %)
1089 (% _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.
1090 )))
1091
1092 (% _mstvisible="1" style="text-align: left;" %)
1093 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1094
1095 (% _mstvisible="1" class="box infomessage" %)
1096 (((
1097 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1098 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1099
1100 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1101 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1102
1103 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1104 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1105
1106 (% _mstvisible="2" style="text-align: left;" %)
1107 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1108
1109 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1110 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1111 )))
1112
1113
1114
1115 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1116 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1117
1118 (% _mstvisible="1" %)
1119 (((
1120 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1121 The LHT65 has a triple color LED which for easy showing different stage .
1122
1123 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1124 While user press ACT button, the LED will work as per LED status with ACT button.
1125 )))
1126
1127 (% _mstvisible="1" %)
1128 (((
1129 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1130 In a normal working state:
1131 )))
1132
1133 (% _mstvisible="1" %)
1134 * (% _mstvisible="3" %)
1135 (((
1136 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1137 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1138
1139 (% _msthash="197771" _msttexthash="1202526" %)
1140 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1141 )))
1142 * (% _mstvisible="3" %)
1143 (((
1144 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1145 RED LED when external sensor is not connected
1146 )))
1147 * (% _mstvisible="3" %)
1148 (((
1149 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1150 For each success downlink, the PURPLE LED will blink once
1151
1152
1153
1154 )))
1155
1156 (% _mstvisible="1" style="text-align: left;" %)
1157 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1158
1159 (% _mstvisible="1" %)
1160 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1161
1162
1163 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1164 = (% _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(%%) =
1165
1166 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1167 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1168
1169 (% _mstvisible="1" %)
1170 [[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"]]
1171
1172
1173 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1174 Temperature sensor with 2 meters cable long
1175
1176 (% _mstvisible="1" %)
1177 * Resolution: 0.0625 °C
1178 * ±0.5°C accuracy from -10°C to +85°C
1179 * ±2°C accuracy from -55°C to +125°C
1180 * Operating Range: -40 ~~ 125 °C
1181 * -55°C to 125°C
1182 * Working voltage 2.35v ~~ 5v
1183
1184 (% _mstvisible="1" style="text-align: left;" %)
1185 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1186
1187 (% _mstvisible="1" %)
1188 (((
1189 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1190 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1191 )))
1192
1193 (% _mstvisible="1" %)
1194 * (% _mstvisible="3" %)
1195 (((
1196 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1197 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1198 )))
1199 * (% _mstvisible="3" %)
1200 (((
1201 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1202 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1203 )))
1204
1205 (% _mstvisible="1" %)
1206 (((
1207 (% _mstvisible="2" style="text-align: left;" %)
1208
1209 )))
1210
1211 (% _mstvisible="1" %)
1212 (((
1213 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1214 There are two kinds of commands to configure LHT65N, they are:
1215 )))
1216
1217 (% _mstvisible="1" %)
1218 (((
1219 (% _mstvisible="2" style="text-align: left;" %)
1220 (% _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" %).
1221 )))
1222
1223 (% _mstvisible="1" %)
1224 (((
1225 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1226 These commands are to configure:
1227 )))
1228
1229 (% _mstvisible="1" %)
1230 * (% _mstvisible="3" %)
1231 (((
1232 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1233 General system settings like: uplink interval.
1234 )))
1235 * (% _mstvisible="3" %)
1236 (((
1237 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1238 LoRaWAN protocol & radio-related commands.
1239 )))
1240
1241 (% _mstvisible="1" %)
1242 (((
1243 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1244 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]]
1245 )))
1246
1247 (% _mstvisible="1" %)
1248 (((
1249 (% _mstvisible="2" style="text-align: left;" %)
1250
1251 )))
1252
1253 (% _mstvisible="1" %)
1254 (((
1255 (% _mstvisible="2" style="text-align: left;" %)
1256 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1257 )))
1258
1259 (% _mstvisible="1" %)
1260 (((
1261 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1262 These commands are only valid for LHT65N, as below:
1263
1264
1265 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1266
1267 )))
1268
1269 (% _mstvisible="1" style="text-align: left;" %)
1270 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1271
1272 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1273 Feature: Change LoRaWAN End Node Transmit Interval.
1274
1275 (% _mstvisible="1" style="text-align: left;" %)
1276 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1277
1278 (% _mstvisible="1" %)
1279 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1280
1281 (% _mstvisible="1" %)
1282 (((
1283 (% _mstvisible="2" style="text-align: left;" %)
1284
1285
1286 (% _mstvisible="2" style="text-align: left;" %)
1287 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1288 )))
1289
1290 (% _mstvisible="1" %)
1291 (((
1292 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1293 Format: Command Code (0x01) followed by 3 bytes time value.
1294 )))
1295
1296 (% _mstvisible="1" %)
1297 (((
1298 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1299 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1300 )))
1301
1302 (% _mstvisible="1" %)
1303 * (% _mstvisible="3" %)
1304 (((
1305 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1306 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1307 )))
1308 * (% _mstvisible="3" %)
1309 (((
1310 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1311 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1312
1313
1314 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1315
1316 )))
1317
1318 (% _mstvisible="1" style="text-align: left;" %)
1319 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1320
1321 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1322 Feature: Change External Sensor Mode.
1323
1324 (% _mstvisible="1" style="text-align: left;" %)
1325 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1326
1327 (% _mstvisible="1" %)
1328 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1329
1330 (% _mstvisible="1" %)
1331 (((
1332 (% _mstvisible="2" style="text-align: left;" %)
1333
1334
1335 (% _mstvisible="2" style="text-align: left;" %)
1336 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1337 )))
1338
1339 (% _mstvisible="1" %)
1340 (((
1341 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1342 Total bytes: 2 ~~ 5 bytes
1343 )))
1344
1345 (% _mstvisible="1" %)
1346 (((
1347 (% _mstvisible="2" %)
1348 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1349 )))
1350
1351 (% _mstvisible="1" %)
1352 * (% _mstvisible="3" %)
1353 (((
1354 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1355 0xA201: Set external sensor type to E1
1356 )))
1357 * (% _mstvisible="3" %)
1358 (((
1359 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1360 0xA209: Same as AT+EXT=9
1361 )))
1362 * (% _mstvisible="3" %)
1363 (((
1364 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1365 0xA20702003c,Same as AT+SETCNT=60
1366
1367
1368 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1369
1370 )))
1371
1372 (% _mstvisible="1" style="text-align: left;" %)
1373 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1374
1375 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1376 Feature: If PID is enabled, device will send the temperature probe ID on:
1377
1378 (% _mstvisible="1" %)
1379 * First Packet after OTAA Join
1380 * Every 24 hours since the first packet.
1381
1382 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1383 PID is default set to disable (0)
1384
1385 (% _mstvisible="1" style="text-align: left;" %)
1386 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1387
1388 (% _mstvisible="1" %)
1389 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1390
1391
1392 (% _mstvisible="1" style="text-align: left;" %)
1393 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1394
1395 (% _mstvisible="1" %)
1396 * 0xA800  **~-~->** AT+PID=0
1397 * 0xA801     **~-~->** AT+PID=1
1398
1399 (% _mstvisible="1" style="text-align: left;" %)
1400 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1401
1402 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1403 Feature: Set device password, max 9 digits
1404
1405 (% _mstvisible="1" style="text-align: left;" %)
1406 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1407
1408 (% _mstvisible="1" %)
1409 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1410
1411 (% _mstvisible="1" %)
1412 (((
1413 (% _mstvisible="2" style="text-align: left;" %)
1414
1415
1416 (% _mstvisible="2" style="text-align: left;" %)
1417 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1418 )))
1419
1420 (% _mstvisible="1" %)
1421 (((
1422 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1423 No downlink command for this feature.
1424
1425 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1426
1427 )))
1428
1429 (% _mstvisible="1" style="text-align: left;" %)
1430 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1431
1432 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1433 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1434
1435 (% _mstvisible="1" style="text-align: left;" %)
1436 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1437
1438 (% _mstvisible="1" %)
1439 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1440
1441
1442 (% _mstvisible="1" style="text-align: left;" %)
1443 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1444
1445 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1446 No downlink command for this feature.
1447
1448
1449 (% _mstvisible="1" style="text-align: left;" %)
1450 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1451
1452 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1453 Feature: Set device to sleep mode
1454
1455 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1456 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1457
1458 (% _mstvisible="1" style="text-align: left;" %)
1459 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1460
1461 (% _mstvisible="1" %)
1462 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1463
1464 (% _mstvisible="1" %)
1465 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1466
1467 (% _mstvisible="1" %)
1468 * There is no downlink command to set to Sleep mode.
1469
1470 (% _mstvisible="1" %)
1471 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1472
1473 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1474 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1475
1476 (% _mstvisible="1" %)
1477 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1478
1479 (% _mstvisible="1" %)
1480 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1481
1482
1483 (% _mstvisible="1" %)
1484 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1485
1486 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1487 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1488
1489
1490 (% _mstvisible="1" %)
1491 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1492
1493 (% _mstvisible="1" %)
1494 (((
1495 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1496 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1497 )))
1498
1499 (% _mstvisible="1" %)
1500 (((
1501 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1502 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.
1503 )))
1504
1505 (% _mstvisible="1" %)
1506 (((
1507 (% _mstvisible="2" %)
1508 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1509 )))
1510
1511 (% _mstvisible="1" %)
1512 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1513
1514
1515 (% _mstvisible="1" %)
1516 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1517
1518 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1519 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1520
1521 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1522 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1523
1524
1525 (% _mstvisible="1" %)
1526 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1527
1528 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1529 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1530
1531 (% _mstvisible="1" %)
1532 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1533
1534 (% _mstvisible="1" %)
1535 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1536
1537
1538 (% _mstvisible="1" %)
1539 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1540
1541 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1542 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1543
1544
1545 (% _mstvisible="1" %)
1546 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1547
1548 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1549 Feature: Print the sector data from start page to stop page (max is 416 pages).
1550
1551 (% _mstvisible="1" %)
1552 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1553
1554 (% _mstvisible="1" %)
1555 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1556
1557
1558 (% _mstvisible="1" %)
1559 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1560
1561 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1562 No downlink commands for feature
1563
1564
1565 (% _mstvisible="1" %)
1566 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1567
1568 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1569 Feature: Print the last few data entries
1570
1571 (% _mstvisible="1" %)
1572 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1573
1574 (% _mstvisible="1" %)
1575 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1576
1577
1578 (% _mstvisible="1" %)
1579 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1580
1581 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1582 No downlink commands for feature
1583
1584
1585 (% _mstvisible="1" %)
1586 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1587
1588 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1589 Feature: Clear flash storage for data log feature.
1590
1591 (% _mstvisible="1" %)
1592 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1593
1594 (% _mstvisible="1" %)
1595 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1596
1597
1598 (% _mstvisible="1" %)
1599 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1600
1601 (% _mstvisible="1" %)
1602 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1603
1604 (% _mstvisible="1" %)
1605 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1606
1607 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1608 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.
1609
1610
1611 (% _mstvisible="1" %)
1612 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1613
1614 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1615 The default factory setting is 0
1616
1617 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1618 (% _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**
1619 (% _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
1620
1621 (% _mstvisible="1" %)
1622 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1623
1624 (% _mstvisible="1" %)
1625 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1626
1627 (% _mstvisible="1" %)
1628 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1629
1630 (% _mstvisible="1" %)
1631 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1632
1633 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1634 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.
1635
1636 (% _mstvisible="1" %)
1637 (((
1638 (% _mstvisible="2" %)
1639 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1640 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1641 )))
1642
1643 (% _mstvisible="1" %)
1644 (((
1645 (% _mstvisible="2" %)
1646 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1647
1648 )))
1649
1650 (% _mstvisible="1" %)
1651 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1652
1653 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1654 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.
1655
1656 (% _mstvisible="1" %)
1657 [[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"]]
1658
1659 (% _mstvisible="1" %)
1660 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1661
1662 (% _mstvisible="1" %)
1663 (((
1664 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1665 (((
1666 (% _msthash="736723" _msttexthash="35479028" %)
1667 Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
1668 [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf>>https://www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf]]
1669 )))
1670
1671 (((
1672
1673 )))
1674
1675 (((
1676 (% _msthash="736724" _msttexthash="12045098" %)
1677 A full detail test report for LHT65N on different frequency can be found at : [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0>>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
1678 )))
1679
1680
1681 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1682 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1683
1684 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1685 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1686
1687 (((
1688 (% _msthash="736725" _msttexthash="9345674" %)
1689 LHT65N supports AT Command set.User can use a USB to TTL adapter plus the Program Cable to connect to LHT65 for using AT command, as below.
1690 )))
1691
1692 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1693
1694
1695 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1696
1697 (% _msthash="506062" _msttexthash="1187732" %)
1698 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1699
1700 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1701
1702 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1703
1704 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1705
1706
1707 (((
1708 (% _msthash="736726" _msttexthash="67213055" %)
1709 In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**) (%%)to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
1710 )))
1711
1712 (((
1713 (% _msthash="736727" _msttexthash="1907009" %)
1714 Input password and ATZ to activate LHT65N,As shown below:
1715 )))
1716
1717 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1718
1719
1720 (% _msthash="506066" _msttexthash="544869" %)
1721 AT Command List is as below:
1722
1723 (% _msthash="506067" _msttexthash="361920" %)
1724 AT+<CMD>? :  Help on <CMD>
1725
1726 (% _msthash="506068" _msttexthash="243061" %)
1727 AT+<CMD> :  Run <CMD>
1728
1729 (% _msthash="506069" _msttexthash="704197" %)
1730 AT+<CMD>=<value> :  Set the value
1731
1732 (% _msthash="506070" _msttexthash="455676" %)
1733 AT+<CMD>=? :  Get the value
1734
1735 (% _msthash="506071" _msttexthash="670553" %)
1736 AT+DEBUG:  Set more info output
1737
1738 (% _msthash="506072" _msttexthash="485888" %)
1739 ATZ:  Trig a reset of the MCU
1740
1741 (% _msthash="506073" _msttexthash="2068872" %)
1742 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1743
1744 (% _msthash="506074" _msttexthash="689169" %)
1745 AT+DEUI:  Get or Set the Device EUI
1746
1747 (% _msthash="506075" _msttexthash="960414" %)
1748 AT+DADDR:  Get or Set the Device Address
1749
1750 (% _msthash="506076" _msttexthash="1079897" %)
1751 AT+APPKEY:  Get or Set the Application Key
1752
1753 (% _msthash="506077" _msttexthash="1326143" %)
1754 AT+NWKSKEY:  Get or Set the Network Session Key
1755
1756 (% _msthash="506078" _msttexthash="1573000" %)
1757 AT+APPSKEY:  Get or Set the Application Session Key
1758
1759 (% _msthash="506079" _msttexthash="1041729" %)
1760 AT+APPEUI:  Get or Set the Application EUI
1761
1762 (% _msthash="506080" _msttexthash="2104206" %)
1763 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1764
1765 (% _msthash="506081" _msttexthash="3369288" %)
1766 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1767
1768 (% _msthash="506082" _msttexthash="1894529" %)
1769 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1770
1771 (% _msthash="506083" _msttexthash="3864172" %)
1772 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1773
1774 (% _msthash="506084" _msttexthash="1712204" %)
1775 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1776
1777 (% _msthash="506085" _msttexthash="1281202" %)
1778 AT+RX2FQ:  Get or Set the Rx2 window frequency
1779
1780 (% _msthash="506086" _msttexthash="2796781" %)
1781 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1782
1783 (% _msthash="506087" _msttexthash="3285165" %)
1784 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1785
1786 (% _msthash="506088" _msttexthash="3286179" %)
1787 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1788
1789 (% _msthash="506089" _msttexthash="4703803" %)
1790 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1791
1792 (% _msthash="506090" _msttexthash="4704999" %)
1793 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1794
1795 (% _msthash="506091" _msttexthash="1528683" %)
1796 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1797
1798 (% _msthash="506092" _msttexthash="757185" %)
1799 AT+NWKID:  Get or Set the Network ID
1800
1801 (% _msthash="506093" _msttexthash="1156597" %)
1802 AT+FCU:  Get or Set the Frame Counter Uplink
1803
1804 (% _msthash="506094" _msttexthash="1273987" %)
1805 AT+FCD:  Get or Set the Frame Counter Downlink
1806
1807 (% _msthash="506095" _msttexthash="859222" %)
1808 AT+CLASS:  Get or Set the Device Class
1809
1810 (% _msthash="506096" _msttexthash="384852" %)
1811 AT+JOIN:  Join network
1812
1813 (% _msthash="506097" _msttexthash="548626" %)
1814 AT+NJS:  Get the join status
1815
1816 (% _msthash="506098" _msttexthash="2546206" %)
1817 AT+SENDB:  Send hexadecimal data along with the application port
1818
1819 (% _msthash="506099" _msttexthash="1932307" %)
1820 AT+SEND:  Send text data along with the application port
1821
1822 (% _msthash="506100" _msttexthash="3560557" %)
1823 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1824
1825 (% _msthash="506101" _msttexthash="1429701" %)
1826 AT+RECV:  Print last received data in raw format
1827
1828 (% _msthash="506102" _msttexthash="1735981" %)
1829 AT+VER:  Get current image version and Frequency Band
1830
1831 (% _msthash="506103" _msttexthash="1189474" %)
1832 AT+CFM:  Get or Set the confirmation mode (0-1)
1833
1834 (% _msthash="506104" _msttexthash="1718210" %)
1835 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1836
1837 (% _msthash="506105" _msttexthash="1339403" %)
1838 AT+SNR:  Get the SNR of the last received packet
1839
1840 (% _msthash="506106" _msttexthash="1452009" %)
1841 AT+RSSI:  Get the RSSI of the last received packet
1842
1843 (% _msthash="506107" _msttexthash="2768142" %)
1844 AT+TDC:  Get or set the application data transmission interval in ms
1845
1846 (% _msthash="506108" _msttexthash="1083914" %)
1847 AT+PORT:  Get or set the application port
1848
1849 (% _msthash="506109" _msttexthash="622440" %)
1850 AT+DISAT:  Disable AT commands
1851
1852 (% _msthash="506110" _msttexthash="868361" %)
1853 AT+PWORD:  Set password, max 9 digits
1854
1855 (% _msthash="506111" _msttexthash="2210299" %)
1856 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1857
1858 (% _msthash="506112" _msttexthash="2113462" %)
1859 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1860
1861 (% _msthash="506113" _msttexthash="2087423" %)
1862 AT+PDTA:  Print the sector data from start page to stop page
1863
1864 (% _msthash="506114" _msttexthash="1063127" %)
1865 AT+PLDTA:  Print the last few sets of data
1866
1867 (% _msthash="506115" _msttexthash="1999426" %)
1868 AT+CLRDTA:  Clear the storage, record position back to 1st
1869
1870 (% _msthash="506116" _msttexthash="442130" %)
1871 AT+SLEEP:  Set sleep mode
1872
1873 (% _msthash="506117" _msttexthash="1080222" %)
1874 AT+EXT:  Get or Set external sensor model
1875
1876 (% _msthash="506118" _msttexthash="1309490" %)
1877 AT+BAT:  Get the current battery voltage in mV
1878
1879 (% _msthash="506119" _msttexthash="813891" %)
1880 AT+CFG:  Print all configurations
1881
1882 (% _msthash="506120" _msttexthash="551707" %)
1883 AT+WMOD:  Get or Set Work Mode
1884
1885 (% _msthash="506121" _msttexthash="2631499" %)
1886 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1887
1888 (% _msthash="506122" _msttexthash="3907150" %)
1889 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1890
1891 (% _msthash="506123" _msttexthash="854620" %)
1892 AT+SETCNT:  Set the count at present
1893
1894 (% _msthash="506124" _msttexthash="2554877" %)
1895 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1896
1897 (% _msthash="506125" _msttexthash="771849" %)
1898 AT+RPL:  Get or set response level
1899
1900 (% _msthash="506126" _msttexthash="1484314" %)
1901 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1902
1903 (% _msthash="506127" _msttexthash="741728" %)
1904 AT+LEAPSEC:  Get or Set Leap Second
1905
1906 (% _msthash="506128" _msttexthash="1694017" %)
1907 AT+SYNCMOD:  Get or Set time synchronization method
1908
1909 (% _msthash="506129" _msttexthash="2235948" %)
1910 AT+SYNCTDC:  Get or set time synchronization interval in day
1911
1912 (% _msthash="506130" _msttexthash="425542" %)
1913 AT+PID:  Get or set the PID
1914
1915
1916 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1917
1918 (% _msthash="506131" _msttexthash="14585714" %)
1919 AT commands：
1920
1921 [[image:image-20220615092034-1.png||_mstalt="428870"]]
1922
1923 (% _msthash="506132" _msttexthash="337922" %)
1924 Downlink commands:
1925
1926
1927 (% _msthash="506133" _msttexthash="33046" %)
1928 **TTN:**
1929
1930 [[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1931
1932
1933 (% _msthash="506134" _msttexthash="11113791" %)
1934 **Helium：**
1935
1936 [[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1937
1938
1939 (% _msthash="506135" _msttexthash="4159844" %)
1940 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1941
1942 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1943
1944 [[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1945
1946
1947 (% _msthash="506136" _msttexthash="39286" %)
1948 **Aws:**
1949
1950 [[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1951
1952
1953 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1954
1955 [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/||_msthash="506137" _msttexthash="5712018"]]
1956
1957
1958 (% _msthash="536757" _msttexthash="1874951" %)
1959 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1960
1961 [[image:image-20220615153355-1.png]]
1962
1963 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1964
1965 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1966
1967 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1968
1969 [[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1970
1971
1972 (((
1973 (% _msthash="736728" _msttexthash="67213055" %)
1974 (((
1975 In PC, User needs to set serial tool(such as [[**putty**>>https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600** (%%)to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:(% style="color:red" %)**123456**)(%%) to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
1976 )))
1977 )))
1978
1979 (((
1980 (% _msthash="736729" _msttexthash="1907009" %)
1981 Input password and ATZ to activate LHT65N,As shown below:
1982
1983 [[image:image-20220615154519-3.png]]
1984
1985
1986 )))
1987
1988
1989 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1990
1991 [[image:image-20220615153355-1.png]]
1992
1993 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1994
1995 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1996
1997 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1998
1999 Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
2000
2001
2002 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2003
2004 [[image:image-20220615170542-5.png]]
2005
2006
2007 (% _msthash="506146" _msttexthash="52173160" %)
2008 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2009
2010
2011 (% _msthash="506147" _msttexthash="188083584" %)
2012 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2013
2014 [[image:image-20220615171334-6.png]]
2015
2016
2017 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2018
2019
2020 )))
2021
2022 (% _mstvisible="1" %)
2023 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2024
2025 (% _mstvisible="1" %)
2026 (((
2027 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2028 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2029 )))
2030
2031 (% _mstvisible="1" %)
2032 (((
2033 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2034 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2035 )))
2036
2037 (% _mstvisible="1" %)
2038 * (% _mstvisible="3" %)
2039 (((
2040 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2041 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2042 )))
2043 * (% _mstvisible="3" %)
2044 (((
2045 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2046 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2047 )))
2048 * (% _mstvisible="3" %)
2049 (((
2050 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2051 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2052 )))
2053 * (% _mstvisible="3" %)
2054 (((
2055 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2056 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2057 )))
2058 * (% _mstvisible="3" %)
2059 (((
2060 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2061 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2062 )))
2063 * (% _mstvisible="3" %)
2064 (((
2065 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2066 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2067 )))
2068 * (% _mstvisible="3" %)
2069 (((
2070 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2071 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2072 )))
2073 * (% _mstvisible="3" %)
2074 (((
2075 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2076 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2077 )))
2078
2079 (% _mstvisible="1" %)
2080 (((
2081 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2082 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2083 )))
2084
2085 (% _mstvisible="1" %)
2086 * (% _mstvisible="3" %)
2087 (((
2088 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2089 (% style="color:red" %)**E3**(%%): External Temperature Probe
2090
2091
2092 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2093
2094 )))
2095
2096 (% _mstvisible="1" %)
2097 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2098
2099 (% _mstvisible="1" %)
2100 (((
2101 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2102
2103
2104 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2105 (% _mstvisible="3" %)**Package Includes**(%%):
2106 )))
2107
2108 (% _mstvisible="1" %)
2109 * (% _mstvisible="3" %)
2110 (((
2111 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2112 LHT65N Temperature & Humidity Sensor x 1
2113 )))
2114 * (% _mstvisible="3" %)
2115 (((
2116 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2117 Optional external sensor
2118 )))
2119
2120 (% _mstvisible="1" %)
2121 (((
2122 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2123 (% _mstvisible="3" %)**Dimension and weight**(%%):
2124 )))
2125
2126 (% _mstvisible="1" %)
2127 * (% _mstvisible="3" %)
2128 (((
2129 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2130 Device Size:  10 x 10 x 3.5 cm
2131 )))
2132 * (% _mstvisible="3" %)
2133 (((
2134 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2135 Device Weight: 120.5g
2136 )))
2137
2138 (% _mstvisible="3" %)
2139 (((
2140
2141
2142 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2143
2144 )))
2145
2146 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2147
2148 * [[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"]]
2149
2150
2151
2152 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2153
2154 (% _mstvisible="1" %)
2155 (((
2156 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2157 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2158 )))
2159
2160 (% _mstvisible="1" %)
2161 (((
2162 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2163 (1) This device may not cause harmful interference；
2164 )))
2165
2166 (% _mstvisible="1" %)
2167 (((
2168 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2169 (2) this device must accept any interference received, including interference that may cause undesired operation.
2170 )))