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Version 148.13 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 (((
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92 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
93 )))
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95 (% _mstvisible="1" %)
96 * (% _mstvisible="3" %)
97 (((
98 (% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
99 Resolution: 0.01 °C
100 )))
101 * (% _mstvisible="3" %)
102 (((
103 (% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
104 Accuracy Tolerance : Typ ±0.3 °C
105 )))
106 * (% _mstvisible="3" %)
107 (((
108 (% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
109 Long Term Drift: < 0.02 °C/yr
110 )))
111 * (% _mstvisible="3" %)
112 (((
113 (% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
114 Operating Range: -40 ~~ 85 °C
115 )))
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117 (% _mstvisible="1" %)
118 (((
119 (% _mstvisible="2" %)
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122 (% _mstvisible="2" %)
123 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
124 )))
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126 (% _mstvisible="1" %)
127 * (% _mstvisible="3" %)
128 (((
129 (% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
130 Resolution: 0.04 %RH
131 )))
132 * (% _mstvisible="3" %)
133 (((
134 (% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
135 Accuracy Tolerance : Typ ±3 %RH
136 )))
137 * (% _mstvisible="3" %)
138 (((
139 (% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
140 Long Term Drift: < 0.02 °C/yr
141 )))
142 * (% _mstvisible="3" %)
143 (((
144 (% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
145 Operating Range: 0 ~~ 96 %RH
146 )))
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148 (% _mstvisible="1" %)
149 (((
150 (% _mstvisible="2" %)
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154 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
155 )))
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157 (% _mstvisible="1" %)
158 * (% _mstvisible="3" %)
159 (((
160 (% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
161 Resolution: 0.0625 °C
162 )))
163 * (% _mstvisible="3" %)
164 (((
165 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
166 ±0.5°C accuracy from -10°C to +85°C
167 )))
168 * (% _mstvisible="3" %)
169 (((
170 (% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
171 ±2°C accuracy from -55°C to +125°C
172 )))
173 * (% _mstvisible="3" %)
174 (((
175 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
176 Operating Range: -55 °C ~~ 125 °C
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179 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
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181 )))
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183 (% _mstvisible="1" %)
184 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
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186 (% _mstvisible="1" %)
187 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
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189 (% _mstvisible="1" %)
190 (((
191 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
192 LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
193 )))
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197 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
198 If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
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200 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
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202 )))
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204 (% _mstvisible="1" %)
205 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
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207 (% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
208 The LHT65N has two working modes:
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211 * (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
212 * (% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
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215 (((
216 (% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
217 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
218 )))
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220 (% _mstvisible="1" %)
221 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
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223 (% _mstvisible="1" %)
224 [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
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227 (% _mstvisible="1" %)
228 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
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230 (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
231 This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
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233 (% _mstvisible="1" class="wikigeneratedid" %)
234 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
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236 (% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
237 Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network||_mstvisible="2"]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
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240 (% _mstvisible="1" %)
241 === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
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243 (% _msthash="315242" _msttexthash="1601782" _mstvisible="1" %)
244 Create a device in TTN V3 with the OTAA keys from LHT65N.
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246 (% _msthash="315243" _msttexthash="3694444" _mstvisible="1" %)
247 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
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249 (% _mstvisible="1" %)
250 [[image:image-20220617150003-1.jpeg]]
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252 (% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
253 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
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255 (% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
256 Add APP EUI in the application.
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258 (% _mstvisible="1" %)
259 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
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261 (% _mstvisible="1" %)
262 [[image:image-20220522232932-4.png||_mstalt="430157" _mstvisible="3"]]
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264 (% _mstvisible="1" %)
265 [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
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267 (% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
268 Note: LHT65N use same payload as LHT65.
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270 (% _mstvisible="1" %)
271 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
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274 (% _msthash="315247" _msttexthash="595543" _mstvisible="1" %)
275 Input APP EUI,  APP KEY and DEV EUI:
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277 (% _mstvisible="1" %)
278 [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
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282 (% _mstvisible="1" %)
283 === (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
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285 (% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
286 Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
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288 (% _mstvisible="1" %)
289 [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
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293 (% _mstvisible="1" %)
294 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
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296 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
297 The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% _mstvisible="3" style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
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299 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
300 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
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302 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
303 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
304 (((
305 (% _mstvisible="6" %)
306 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
307 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
308 (((
309 (% _mstvisible="6" %)
310 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
311 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
312 (((
313 (% _mstvisible="6" %)
314 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
315 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
316 (((
317 (% _mstvisible="6" %)
318 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
319 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
320 (((
321 (% _mstvisible="6" %)
322 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
323 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
324 (((
325 (% _mstvisible="6" %)
326 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
327 )))
328 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
329 (((
330 (% _mstvisible="6" %)
331 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
332 )))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
333 (((
334 (% _mstvisible="6" %)
335 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
336 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
337 (((
338 (% _mstvisible="6" %)
339 (((
340 (% _mstvisible="7" %)
341 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
342 )))
343 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
344 (((
345 (% _mstvisible="6" %)
346 (((
347 (% _mstvisible="7" %)
348 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
349 )))
350
351 (% _mstvisible="6" %)
352 (((
353 (% _mstvisible="7" %)
354 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
355 )))
356 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
357 (((
358 (% _mstvisible="6" %)
359 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
360 )))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
361 (((
362 (% _mstvisible="6" %)
363 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
364 )))
365
366 (% _mstvisible="1" %)
367 * The First 6 bytes: has fix meanings for every LHT65N.
368 * The 7th byte (EXT #): defines the external sensor model.
369 * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
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374 (% _mstvisible="1" %)
375 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
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377 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
378 When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
379
380 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
381 Below is the position to put the decoder and LHT65N decoder can be download from here:
382
383 (% _mstvisible="1" %)
384 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
385
386 (% _mstvisible="1" %)
387 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
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389
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391 (% _mstvisible="1" %)
392 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
393
394 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
395 These two bytes of BAT include the battery state and the actually voltage
396
397 (% _mstvisible="1" %)
398 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
399
400 (% _mstvisible="1" %)
401 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
402
403 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
404 Check the battery voltage for LHT65N.
405
406 (% _mstvisible="1" %)
407 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
408 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
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410
411
412
413 (% _mstvisible="1" %)
414 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
415
416 (% _mstvisible="1" %)
417 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
418
419 (% _mstvisible="1" %)
420 * Temperature:  0x0ABB/100=27.47℃
421
422 (% _mstvisible="1" %)
423 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
424
425 (% _mstvisible="1" %)
426 * Temperature:  (0xF5C6-65536)/100=-26.18℃
427
428
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
441
442
443 (% _mstvisible="1" %)
444 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
445
446 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
447 Bytes for External Sensor:
448
449 (% _mstvisible="1" %)
450 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
451
452
453 (% _mstvisible="1" %)
454 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
455
456 (% _mstvisible="1" %)
457 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
458
459 (% _mstvisible="1" %)
460 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
461
462
463 (% _mstvisible="1" %)
464 * DS18B20 temp=0x0ADD/100=27.81℃
465
466 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
467 The last 2 bytes of data are meaningless
468
469 (% _mstvisible="1" %)
470 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
471
472
473 (% _mstvisible="1" %)
474 * External temperature= (0xF54F-65536)/100=-27.37℃
475
476 (% _mstvisible="1" %)
477 (((
478 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
479 The last 2 bytes of data are meaningless
480 )))
481
482 (% _mstvisible="1" %)
483 (((
484 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
485 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
486 )))
487
488
489
490 (% _mstvisible="1" %)
491 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
492
493 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
494 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:
495
496 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
497 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
498 (((
499 (% _mstvisible="6" %)
500 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
501 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
502 (((
503 (% _mstvisible="6" %)
504 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
505 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
506 (((
507 (% _mstvisible="6" %)
508 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
509 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
510 (((
511 (% _mstvisible="6" %)
512 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
513 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
514 (((
515 (% _mstvisible="6" %)
516 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
517 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
518 (((
519 (% _mstvisible="6" %)
520 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
521 )))
522 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
523 (((
524 (% _mstvisible="6" %)
525 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
526 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
527 (((
528 (% _mstvisible="6" %)
529 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
530 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
531 (((
532 (% _mstvisible="6" %)
533 (((
534 (% _mstvisible="7" %)
535 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
536 )))
537
538 (% _mstvisible="6" %)
539 (((
540 (% _mstvisible="7" %)
541 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
542 )))
543 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
544 (((
545 (% _mstvisible="6" %)
546 (((
547 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
548 BAT Status &
549 )))
550
551 (% _mstvisible="6" %)
552 (((
553 (% _mstvisible="7" %)
554 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
555 )))
556 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
557 (((
558 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
559 Status & Ext
560 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
561 (((
562 (% _mstvisible="6" %)
563 (((
564 (% _mstvisible="7" %)
565 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
566 )))
567 )))
568
569 (% _mstvisible="1" %)
570 * (% _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**
571
572 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
573 (% _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]
574 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
575 (((
576 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
577 BAT Status
578
579 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
580 00(b): Ultra Low ( BAT <= 2.50v)
581
582 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
583 01(b): Low  (2.50v <=BAT <= 2.55v)
584
585 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
586 10(b): OK   (2.55v <= BAT <=2.65v)
587
588 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
589 11(b): Good   (BAT >= 2.65v)
590 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
591 (((
592 (% _mstvisible="6" %)
593 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
594
595 (% _mstvisible="6" %)
596
597 )))
598
599 (% _mstvisible="1" %)
600 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
601
602 (% _mstvisible="1" %)
603 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
604
605 (% _mstvisible="1" %)
606 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
607 * 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.
608 * 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)
609
610 (% _mstvisible="1" %)
611 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
612
613 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
614 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:
615
616 (% _mstvisible="1" %)
617 (((
618 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
619 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
620 )))
621
622 (% _mstvisible="1" %)
623 (((
624 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
625 (% _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.
626 )))
627
628 (% _mstvisible="1" %)
629 (((
630 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
631 Add Datacake:
632 )))
633
634 (% _mstvisible="1" %)
635 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
636
637
638 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
639 Select default key as Access Key:
640
641 (% _mstvisible="1" %)
642 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
643
644 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
645 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
646
647 (% _mstvisible="1" %)
648 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
649
650 (% _mstvisible="1" %)
651 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
652
653
654
655 (% _mstvisible="1" %)
656 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
657
658 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
659 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.
660
661
662 (% _mstvisible="1" %)
663 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
664
665 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
666 There are two methods:
667
668 (% _mstvisible="1" %)
669 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
670 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.
671
672 (% _mstvisible="1" %)
673 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
674
675 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
676 LHT65N uses Unix TimeStamp format based on
677
678 (% _mstvisible="1" %)
679 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
680
681
682 (% _mstvisible="1" %)
683 (((
684 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
685 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
686 )))
687
688 (% _mstvisible="1" %)
689 (((
690 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
691 Below is the converter example
692 )))
693
694 (% _mstvisible="1" %)
695 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
696
697 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
698 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
699
700
701 (% _mstvisible="1" %)
702 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
703
704 (% _mstvisible="1" %)
705 (((
706 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
707 There are two ways to set device’s time:
708 )))
709
710 (% _mstvisible="1" %)
711 (((
712 (% _mstvisible="2" %)
713 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
714 )))
715
716 (% _mstvisible="1" %)
717 (((
718 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
719 User need to set SYNCMOD=1 to enable sync time via MAC command.
720 )))
721
722 (% _mstvisible="1" %)
723 (((
724 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
725 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).
726 )))
727
728 (% _mstvisible="1" %)
729 (((
730 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
731 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.
732 )))
733
734 (% _mstvisible="1" %)
735 (((
736 (% _mstvisible="2" %)
737
738 )))
739
740 (% _mstvisible="1" %)
741 (((
742 (% _mstvisible="2" %)
743 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
744 )))
745
746 (% _mstvisible="1" %)
747 (((
748 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
749 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
750
751 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
752
753 )))
754
755 (% _mstvisible="1" %)
756 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
757
758 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
759 User can poll sensor value based on timestamps from the server. Below is the downlink command.
760
761 (% _mstvisible="1" %)
762 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
763
764 (% _mstvisible="1" %)
765 (((
766 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
767 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.
768 )))
769
770 (% _mstvisible="1" %)
771 (((
772 (% _mstvisible="2" %)
773 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
774 )))
775
776 (% _mstvisible="1" %)
777 (((
778 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
779 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
780 )))
781
782 (% _mstvisible="1" %)
783 (((
784 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
785 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
786 )))
787
788
789 (% _mstvisible="1" %)
790 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
791
792 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
793 The Datalog poll reply uplink will use below payload format.
794
795 (% _mstvisible="1" %)
796 (((
797 (% _mstvisible="2" %)
798 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
799 )))
800
801 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
802 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
803 (((
804 (% _mstvisible="6" %)
805 (((
806 (% _mstvisible="7" %)
807 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
808 )))
809 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
810 (((
811 (% _mstvisible="6" %)
812 (((
813 (% _mstvisible="7" %)
814 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
815 )))
816 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
817 (((
818 (% _mstvisible="6" %)
819 (((
820 (% _mstvisible="7" %)
821 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
822 )))
823 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
824 (((
825 (% _mstvisible="6" %)
826 (((
827 (% _mstvisible="7" %)
828 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
829 )))
830 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
831 (((
832 (% _mstvisible="6" %)
833 (((
834 (% _mstvisible="7" %)
835 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
836 )))
837 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
838 (((
839 (% _mstvisible="6" %)
840 (((
841 (% _mstvisible="7" %)
842 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
843 )))
844 )))
845 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
846 (((
847 (% _mstvisible="6" %)
848 (((
849 (% _mstvisible="7" %)
850 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
851 )))
852 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
853 (((
854 (% _mstvisible="6" %)
855 (((
856 (% _mstvisible="7" %)
857 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
858 )))
859 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
860 (((
861 (% _mstvisible="6" %)
862 (((
863 (% _mstvisible="7" %)
864 (((
865 (% _mstvisible="8" %)
866 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
867 )))
868 )))
869
870 (% _mstvisible="6" %)
871 (((
872 (% _mstvisible="7" %)
873 (((
874 (% _mstvisible="8" %)
875 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
876 )))
877 )))
878 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
879 (((
880 (% _mstvisible="6" %)
881 (((
882 (% _mstvisible="7" %)
883 (((
884 (% _mstvisible="8" %)
885 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
886 )))
887 )))
888
889 (% _mstvisible="6" %)
890 (((
891 (% _mstvisible="7" %)
892 (((
893 (% _mstvisible="8" %)
894 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
895 )))
896 )))
897 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
898 (((
899 (% _mstvisible="6" %)
900 (((
901 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
902 Poll message flag & Ext
903 )))
904 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
905 (((
906 (% _mstvisible="6" %)
907 (((
908 (% _mstvisible="7" %)
909 (((
910 (% _mstvisible="8" %)
911 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
912 )))
913 )))
914
915 (% _mstvisible="6" %)
916 (((
917 (% _mstvisible="7" %)
918 (((
919 (% _mstvisible="8" %)
920
921 )))
922 )))
923 )))
924
925 (% _mstvisible="1" %)
926 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
927
928 (% _mstvisible="1" %)
929 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
930
931 (% _mstvisible="1" %)
932 (((
933 (% _mstvisible="2" %)
934 (((
935 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
936 Poll Message Flag: 1: This message is a poll message reply.
937 )))
938 )))
939
940 (% _mstvisible="1" %)
941 * (% _mstvisible="3" %)
942 (((
943 (% _mstvisible="4" %)
944 (((
945 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
946 Poll Message Flag is set to 1.
947 )))
948 )))
949 * (% _mstvisible="3" %)
950 (((
951 (% _mstvisible="4" %)
952 (((
953 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
954 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
955 )))
956 )))
957
958 (% _mstvisible="1" %)
959 (((
960 (% _mstvisible="2" %)
961 (((
962 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
963
964
965 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
966 For example, in US915 band, the max payload for different DR is:
967 )))
968 )))
969
970 (% _mstvisible="1" %)
971 (((
972 (% _mstvisible="2" %)
973 (((
974 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
975 a) DR0: max is 11 bytes so one entry of data
976 )))
977 )))
978
979 (% _mstvisible="1" %)
980 (((
981 (% _mstvisible="2" %)
982 (((
983 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
984 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
985 )))
986 )))
987
988 (% _mstvisible="1" %)
989 (((
990 (% _mstvisible="2" %)
991 (((
992 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
993 c) DR2: total payload includes 11 entries of data
994 )))
995 )))
996
997 (% _mstvisible="1" %)
998 (((
999 (% _mstvisible="2" %)
1000 (((
1001 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1002 d) DR3: total payload includes 22 entries of data.
1003 )))
1004 )))
1005
1006 (% _mstvisible="1" %)
1007 (((
1008 (% _mstvisible="2" %)
1009 (((
1010 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1011 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1012 )))
1013 )))
1014
1015
1016 (% _mstvisible="1" style="text-align: left;" %)
1017 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1018
1019 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1020 If LHT65N has below data inside Flash:
1021
1022 (% _mstvisible="1" %)
1023 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1024
1025 (% _mstvisible="1" %)
1026 (((
1027 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1028 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1029 )))
1030
1031 (% _mstvisible="1" %)
1032 (((
1033 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1034 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1035 )))
1036
1037 (% _mstvisible="1" %)
1038 (((
1039 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1040 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1041 )))
1042
1043 (% _mstvisible="1" %)
1044 (((
1045 (% _mstvisible="2" %)
1046
1047 )))
1048
1049 (% _mstvisible="1" %)
1050 (((
1051 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1052 LHT65N will uplink this payload.
1053 )))
1054
1055 (% _mstvisible="1" %)
1056 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1057
1058 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1059 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1060
1061 (% _msthash="315237" _msttexthash="1385839" %)
1062 Where the first 11 bytes is for the first entry:
1063
1064 (% _msthash="315238" _msttexthash="274846" %)
1065 7FFF089801464160065F97
1066
1067 (% _msthash="315239" _msttexthash="617435" %)
1068 Ext sensor data=0x7FFF/100=327.67
1069
1070 (% _msthash="315240" _msttexthash="270543" %)
1071 Temp=0x0898/100=22.00
1072
1073 (% _msthash="315241" _msttexthash="211783" %)
1074 Hum=0x0146/10=32.6
1075
1076 (% _msthash="315242" _msttexthash="1569776" %)
1077 poll message flag & Ext=0x41,means reply data,Ext=1
1078
1079 (% _msthash="315243" _msttexthash="1120509" %)
1080 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1081
1082
1083 (% _mstvisible="1" style="text-align: left;" %)
1084 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1085
1086 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1087 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.
1088
1089 (% _mstvisible="1" %)
1090 (((
1091 (% _mstvisible="2" style="text-align: left;" %)
1092 (% _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.
1093 )))
1094
1095 (% _mstvisible="1" style="text-align: left;" %)
1096 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1097
1098 (% _mstvisible="1" class="box infomessage" %)
1099 (((
1100 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1101 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1102
1103 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1104 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1105
1106 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1107 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1108
1109 (% _mstvisible="2" style="text-align: left;" %)
1110 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1111
1112 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1113 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1114 )))
1115
1116
1117
1118 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1119 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1120
1121 (% _mstvisible="1" %)
1122 (((
1123 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1124 The LHT65 has a triple color LED which for easy showing different stage .
1125
1126 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1127 While user press ACT button, the LED will work as per LED status with ACT button.
1128 )))
1129
1130 (% _mstvisible="1" %)
1131 (((
1132 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1133 In a normal working state:
1134 )))
1135
1136 (% _mstvisible="1" %)
1137 * (% _mstvisible="3" %)
1138 (((
1139 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1140 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1141
1142 (% _msthash="197771" _msttexthash="1202526" %)
1143 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1144 )))
1145 * (% _mstvisible="3" %)
1146 (((
1147 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1148 RED LED when external sensor is not connected
1149 )))
1150 * (% _mstvisible="3" %)
1151 (((
1152 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1153 For each success downlink, the PURPLE LED will blink once
1154
1155
1156
1157 )))
1158
1159 (% _mstvisible="1" style="text-align: left;" %)
1160 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1161
1162 (% _mstvisible="1" %)
1163 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1164
1165
1166 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1167 = (% _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(%%) =
1168
1169 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1170 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1171
1172 (% _mstvisible="1" %)
1173 [[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"]]
1174
1175
1176 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1177 Temperature sensor with 2 meters cable long
1178
1179 (% _mstvisible="1" %)
1180 * Resolution: 0.0625 °C
1181 * ±0.5°C accuracy from -10°C to +85°C
1182 * ±2°C accuracy from -55°C to +125°C
1183 * Operating Range: -40 ~~ 125 °C
1184 * -55°C to 125°C
1185 * Working voltage 2.35v ~~ 5v
1186
1187 (% _mstvisible="1" style="text-align: left;" %)
1188 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1189
1190 (% _mstvisible="1" %)
1191 (((
1192 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1193 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1194 )))
1195
1196 (% _mstvisible="1" %)
1197 * (% _mstvisible="3" %)
1198 (((
1199 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1200 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1201 )))
1202 * (% _mstvisible="3" %)
1203 (((
1204 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1205 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1206 )))
1207
1208 (% _mstvisible="1" %)
1209 (((
1210 (% _mstvisible="2" style="text-align: left;" %)
1211
1212 )))
1213
1214 (% _mstvisible="1" %)
1215 (((
1216 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1217 There are two kinds of commands to configure LHT65N, they are:
1218 )))
1219
1220 (% _mstvisible="1" %)
1221 (((
1222 (% _mstvisible="2" style="text-align: left;" %)
1223 (% _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" %).
1224 )))
1225
1226 (% _mstvisible="1" %)
1227 (((
1228 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1229 These commands are to configure:
1230 )))
1231
1232 (% _mstvisible="1" %)
1233 * (% _mstvisible="3" %)
1234 (((
1235 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1236 General system settings like: uplink interval.
1237 )))
1238 * (% _mstvisible="3" %)
1239 (((
1240 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1241 LoRaWAN protocol & radio-related commands.
1242 )))
1243
1244 (% _mstvisible="1" %)
1245 (((
1246 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1247 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]]
1248 )))
1249
1250 (% _mstvisible="1" %)
1251 (((
1252 (% _mstvisible="2" style="text-align: left;" %)
1253
1254 )))
1255
1256 (% _mstvisible="1" %)
1257 (((
1258 (% _mstvisible="2" style="text-align: left;" %)
1259 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1260 )))
1261
1262 (% _mstvisible="1" %)
1263 (((
1264 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1265 These commands are only valid for LHT65N, as below:
1266
1267
1268 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1269
1270 )))
1271
1272 (% _mstvisible="1" style="text-align: left;" %)
1273 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1274
1275 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1276 Feature: Change LoRaWAN End Node Transmit Interval.
1277
1278 (% _mstvisible="1" style="text-align: left;" %)
1279 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1280
1281 (% _mstvisible="1" %)
1282 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1283
1284 (% _mstvisible="1" %)
1285 (((
1286 (% _mstvisible="2" style="text-align: left;" %)
1287
1288
1289 (% _mstvisible="2" style="text-align: left;" %)
1290 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1291 )))
1292
1293 (% _mstvisible="1" %)
1294 (((
1295 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1296 Format: Command Code (0x01) followed by 3 bytes time value.
1297 )))
1298
1299 (% _mstvisible="1" %)
1300 (((
1301 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1302 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1303 )))
1304
1305 (% _mstvisible="1" %)
1306 * (% _mstvisible="3" %)
1307 (((
1308 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1309 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1310 )))
1311 * (% _mstvisible="3" %)
1312 (((
1313 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1314 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1315
1316
1317 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1318
1319 )))
1320
1321 (% _mstvisible="1" style="text-align: left;" %)
1322 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1323
1324 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1325 Feature: Change External Sensor Mode.
1326
1327 (% _mstvisible="1" style="text-align: left;" %)
1328 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1329
1330 (% _mstvisible="1" %)
1331 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1332
1333 (% _mstvisible="1" %)
1334 (((
1335 (% _mstvisible="2" style="text-align: left;" %)
1336
1337
1338 (% _mstvisible="2" style="text-align: left;" %)
1339 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1340 )))
1341
1342 (% _mstvisible="1" %)
1343 (((
1344 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1345 Total bytes: 2 ~~ 5 bytes
1346 )))
1347
1348 (% _mstvisible="1" %)
1349 (((
1350 (% _mstvisible="2" %)
1351 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1352 )))
1353
1354 (% _mstvisible="1" %)
1355 * (% _mstvisible="3" %)
1356 (((
1357 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1358 0xA201: Set external sensor type to E1
1359 )))
1360 * (% _mstvisible="3" %)
1361 (((
1362 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1363 0xA209: Same as AT+EXT=9
1364 )))
1365 * (% _mstvisible="3" %)
1366 (((
1367 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1368 0xA20702003c,Same as AT+SETCNT=60
1369
1370
1371 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1372
1373 )))
1374
1375 (% _mstvisible="1" style="text-align: left;" %)
1376 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1377
1378 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1379 Feature: If PID is enabled, device will send the temperature probe ID on:
1380
1381 (% _mstvisible="1" %)
1382 * First Packet after OTAA Join
1383 * Every 24 hours since the first packet.
1384
1385 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1386 PID is default set to disable (0)
1387
1388 (% _mstvisible="1" style="text-align: left;" %)
1389 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1390
1391 (% _mstvisible="1" %)
1392 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1393
1394
1395 (% _mstvisible="1" style="text-align: left;" %)
1396 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1397
1398 (% _mstvisible="1" %)
1399 * 0xA800  **~-~->** AT+PID=0
1400 * 0xA801     **~-~->** AT+PID=1
1401
1402 (% _mstvisible="1" style="text-align: left;" %)
1403 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1404
1405 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1406 Feature: Set device password, max 9 digits
1407
1408 (% _mstvisible="1" style="text-align: left;" %)
1409 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1410
1411 (% _mstvisible="1" %)
1412 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1413
1414 (% _mstvisible="1" %)
1415 (((
1416 (% _mstvisible="2" style="text-align: left;" %)
1417
1418
1419 (% _mstvisible="2" style="text-align: left;" %)
1420 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1421 )))
1422
1423 (% _mstvisible="1" %)
1424 (((
1425 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1426 No downlink command for this feature.
1427
1428 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1429
1430 )))
1431
1432 (% _mstvisible="1" style="text-align: left;" %)
1433 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1434
1435 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1436 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1437
1438 (% _mstvisible="1" style="text-align: left;" %)
1439 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1440
1441 (% _mstvisible="1" %)
1442 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1443
1444
1445 (% _mstvisible="1" style="text-align: left;" %)
1446 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1447
1448 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1449 No downlink command for this feature.
1450
1451
1452 (% _mstvisible="1" style="text-align: left;" %)
1453 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1454
1455 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1456 Feature: Set device to sleep mode
1457
1458 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1459 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1460
1461 (% _mstvisible="1" style="text-align: left;" %)
1462 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1463
1464 (% _mstvisible="1" %)
1465 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1466
1467 (% _mstvisible="1" %)
1468 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1469
1470 (% _mstvisible="1" %)
1471 * There is no downlink command to set to Sleep mode.
1472
1473 (% _mstvisible="1" %)
1474 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1475
1476 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1477 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1478
1479 (% _mstvisible="1" %)
1480 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1481
1482 (% _mstvisible="1" %)
1483 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1484
1485
1486 (% _mstvisible="1" %)
1487 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1488
1489 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1490 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1491
1492
1493 (% _mstvisible="1" %)
1494 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1495
1496 (% _mstvisible="1" %)
1497 (((
1498 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1499 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1500 )))
1501
1502 (% _mstvisible="1" %)
1503 (((
1504 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1505 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.
1506 )))
1507
1508 (% _mstvisible="1" %)
1509 (((
1510 (% _mstvisible="2" %)
1511 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1512 )))
1513
1514 (% _mstvisible="1" %)
1515 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1516
1517
1518 (% _mstvisible="1" %)
1519 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1520
1521 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1522 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1523
1524 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1525 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1526
1527
1528 (% _mstvisible="1" %)
1529 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1530
1531 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1532 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1533
1534 (% _mstvisible="1" %)
1535 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1536
1537 (% _mstvisible="1" %)
1538 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1539
1540
1541 (% _mstvisible="1" %)
1542 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1543
1544 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1545 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1546
1547
1548 (% _mstvisible="1" %)
1549 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1550
1551 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1552 Feature: Print the sector data from start page to stop page (max is 416 pages).
1553
1554 (% _mstvisible="1" %)
1555 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1556
1557 (% _mstvisible="1" %)
1558 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1559
1560
1561 (% _mstvisible="1" %)
1562 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1563
1564 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1565 No downlink commands for feature
1566
1567
1568 (% _mstvisible="1" %)
1569 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1570
1571 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1572 Feature: Print the last few data entries
1573
1574 (% _mstvisible="1" %)
1575 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1576
1577 (% _mstvisible="1" %)
1578 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1579
1580
1581 (% _mstvisible="1" %)
1582 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1583
1584 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1585 No downlink commands for feature
1586
1587
1588 (% _mstvisible="1" %)
1589 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1590
1591 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1592 Feature: Clear flash storage for data log feature.
1593
1594 (% _mstvisible="1" %)
1595 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1596
1597 (% _mstvisible="1" %)
1598 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1599
1600
1601 (% _mstvisible="1" %)
1602 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1603
1604 (% _mstvisible="1" %)
1605 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1606
1607 (% _mstvisible="1" %)
1608 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1609
1610 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1611 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.
1612
1613
1614 (% _mstvisible="1" %)
1615 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1616
1617 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1618 The default factory setting is 0
1619
1620 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1621 (% _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**
1622 (% _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
1623
1624 (% _mstvisible="1" %)
1625 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1626
1627 (% _mstvisible="1" %)
1628 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1629
1630 (% _mstvisible="1" %)
1631 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1632
1633 (% _mstvisible="1" %)
1634 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1635
1636 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1637 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.
1638
1639 (% _mstvisible="1" %)
1640 (((
1641 (% _mstvisible="2" %)
1642 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1643 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1644 )))
1645
1646 (% _mstvisible="1" %)
1647 (((
1648 (% _mstvisible="2" %)
1649 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1650
1651 )))
1652
1653 (% _mstvisible="1" %)
1654 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1655
1656 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1657 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.
1658
1659 (% _mstvisible="1" %)
1660 [[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"]]
1661
1662 (% _mstvisible="1" %)
1663 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1664
1665 (% _mstvisible="1" %)
1666 (((
1667 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1668 (((
1669 (% _msthash="736723" _msttexthash="35479028" %)
1670 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:
1671 [[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]]
1672 )))
1673
1674 (((
1675
1676 )))
1677
1678 (((
1679 (% _msthash="736724" _msttexthash="12045098" %)
1680 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]]
1681 )))
1682
1683
1684 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1685 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1686
1687 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1688 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1689
1690 (((
1691 (% _msthash="736725" _msttexthash="9345674" %)
1692 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.
1693 )))
1694
1695 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1696
1697
1698 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1699
1700 (% _msthash="506062" _msttexthash="1187732" %)
1701 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1702
1703 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1704
1705 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1706
1707 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1708
1709
1710 (((
1711 (% _msthash="736726" _msttexthash="67213055" %)
1712 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.
1713 )))
1714
1715 (((
1716 (% _msthash="736727" _msttexthash="1907009" %)
1717 Input password and ATZ to activate LHT65N,As shown below:
1718 )))
1719
1720 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1721
1722
1723 (% _msthash="506066" _msttexthash="544869" %)
1724 AT Command List is as below:
1725
1726 (% _msthash="506067" _msttexthash="361920" %)
1727 AT+<CMD>? :  Help on <CMD>
1728
1729 (% _msthash="506068" _msttexthash="243061" %)
1730 AT+<CMD> :  Run <CMD>
1731
1732 (% _msthash="506069" _msttexthash="704197" %)
1733 AT+<CMD>=<value> :  Set the value
1734
1735 (% _msthash="506070" _msttexthash="455676" %)
1736 AT+<CMD>=? :  Get the value
1737
1738 (% _msthash="506071" _msttexthash="670553" %)
1739 AT+DEBUG:  Set more info output
1740
1741 (% _msthash="506072" _msttexthash="485888" %)
1742 ATZ:  Trig a reset of the MCU
1743
1744 (% _msthash="506073" _msttexthash="2068872" %)
1745 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1746
1747 (% _msthash="506074" _msttexthash="689169" %)
1748 AT+DEUI:  Get or Set the Device EUI
1749
1750 (% _msthash="506075" _msttexthash="960414" %)
1751 AT+DADDR:  Get or Set the Device Address
1752
1753 (% _msthash="506076" _msttexthash="1079897" %)
1754 AT+APPKEY:  Get or Set the Application Key
1755
1756 (% _msthash="506077" _msttexthash="1326143" %)
1757 AT+NWKSKEY:  Get or Set the Network Session Key
1758
1759 (% _msthash="506078" _msttexthash="1573000" %)
1760 AT+APPSKEY:  Get or Set the Application Session Key
1761
1762 (% _msthash="506079" _msttexthash="1041729" %)
1763 AT+APPEUI:  Get or Set the Application EUI
1764
1765 (% _msthash="506080" _msttexthash="2104206" %)
1766 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1767
1768 (% _msthash="506081" _msttexthash="3369288" %)
1769 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1770
1771 (% _msthash="506082" _msttexthash="1894529" %)
1772 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1773
1774 (% _msthash="506083" _msttexthash="3864172" %)
1775 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1776
1777 (% _msthash="506084" _msttexthash="1712204" %)
1778 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1779
1780 (% _msthash="506085" _msttexthash="1281202" %)
1781 AT+RX2FQ:  Get or Set the Rx2 window frequency
1782
1783 (% _msthash="506086" _msttexthash="2796781" %)
1784 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1785
1786 (% _msthash="506087" _msttexthash="3285165" %)
1787 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1788
1789 (% _msthash="506088" _msttexthash="3286179" %)
1790 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1791
1792 (% _msthash="506089" _msttexthash="4703803" %)
1793 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1794
1795 (% _msthash="506090" _msttexthash="4704999" %)
1796 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1797
1798 (% _msthash="506091" _msttexthash="1528683" %)
1799 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1800
1801 (% _msthash="506092" _msttexthash="757185" %)
1802 AT+NWKID:  Get or Set the Network ID
1803
1804 (% _msthash="506093" _msttexthash="1156597" %)
1805 AT+FCU:  Get or Set the Frame Counter Uplink
1806
1807 (% _msthash="506094" _msttexthash="1273987" %)
1808 AT+FCD:  Get or Set the Frame Counter Downlink
1809
1810 (% _msthash="506095" _msttexthash="859222" %)
1811 AT+CLASS:  Get or Set the Device Class
1812
1813 (% _msthash="506096" _msttexthash="384852" %)
1814 AT+JOIN:  Join network
1815
1816 (% _msthash="506097" _msttexthash="548626" %)
1817 AT+NJS:  Get the join status
1818
1819 (% _msthash="506098" _msttexthash="2546206" %)
1820 AT+SENDB:  Send hexadecimal data along with the application port
1821
1822 (% _msthash="506099" _msttexthash="1932307" %)
1823 AT+SEND:  Send text data along with the application port
1824
1825 (% _msthash="506100" _msttexthash="3560557" %)
1826 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1827
1828 (% _msthash="506101" _msttexthash="1429701" %)
1829 AT+RECV:  Print last received data in raw format
1830
1831 (% _msthash="506102" _msttexthash="1735981" %)
1832 AT+VER:  Get current image version and Frequency Band
1833
1834 (% _msthash="506103" _msttexthash="1189474" %)
1835 AT+CFM:  Get or Set the confirmation mode (0-1)
1836
1837 (% _msthash="506104" _msttexthash="1718210" %)
1838 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1839
1840 (% _msthash="506105" _msttexthash="1339403" %)
1841 AT+SNR:  Get the SNR of the last received packet
1842
1843 (% _msthash="506106" _msttexthash="1452009" %)
1844 AT+RSSI:  Get the RSSI of the last received packet
1845
1846 (% _msthash="506107" _msttexthash="2768142" %)
1847 AT+TDC:  Get or set the application data transmission interval in ms
1848
1849 (% _msthash="506108" _msttexthash="1083914" %)
1850 AT+PORT:  Get or set the application port
1851
1852 (% _msthash="506109" _msttexthash="622440" %)
1853 AT+DISAT:  Disable AT commands
1854
1855 (% _msthash="506110" _msttexthash="868361" %)
1856 AT+PWORD:  Set password, max 9 digits
1857
1858 (% _msthash="506111" _msttexthash="2210299" %)
1859 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1860
1861 (% _msthash="506112" _msttexthash="2113462" %)
1862 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1863
1864 (% _msthash="506113" _msttexthash="2087423" %)
1865 AT+PDTA:  Print the sector data from start page to stop page
1866
1867 (% _msthash="506114" _msttexthash="1063127" %)
1868 AT+PLDTA:  Print the last few sets of data
1869
1870 (% _msthash="506115" _msttexthash="1999426" %)
1871 AT+CLRDTA:  Clear the storage, record position back to 1st
1872
1873 (% _msthash="506116" _msttexthash="442130" %)
1874 AT+SLEEP:  Set sleep mode
1875
1876 (% _msthash="506117" _msttexthash="1080222" %)
1877 AT+EXT:  Get or Set external sensor model
1878
1879 (% _msthash="506118" _msttexthash="1309490" %)
1880 AT+BAT:  Get the current battery voltage in mV
1881
1882 (% _msthash="506119" _msttexthash="813891" %)
1883 AT+CFG:  Print all configurations
1884
1885 (% _msthash="506120" _msttexthash="551707" %)
1886 AT+WMOD:  Get or Set Work Mode
1887
1888 (% _msthash="506121" _msttexthash="2631499" %)
1889 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1890
1891 (% _msthash="506122" _msttexthash="3907150" %)
1892 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1893
1894 (% _msthash="506123" _msttexthash="854620" %)
1895 AT+SETCNT:  Set the count at present
1896
1897 (% _msthash="506124" _msttexthash="2554877" %)
1898 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1899
1900 (% _msthash="506125" _msttexthash="771849" %)
1901 AT+RPL:  Get or set response level
1902
1903 (% _msthash="506126" _msttexthash="1484314" %)
1904 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1905
1906 (% _msthash="506127" _msttexthash="741728" %)
1907 AT+LEAPSEC:  Get or Set Leap Second
1908
1909 (% _msthash="506128" _msttexthash="1694017" %)
1910 AT+SYNCMOD:  Get or Set time synchronization method
1911
1912 (% _msthash="506129" _msttexthash="2235948" %)
1913 AT+SYNCTDC:  Get or set time synchronization interval in day
1914
1915 (% _msthash="506130" _msttexthash="425542" %)
1916 AT+PID:  Get or set the PID
1917
1918
1919 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1920
1921 (% _msthash="506131" _msttexthash="14585714" %)
1922 AT commands：
1923
1924 [[image:image-20220615092034-1.png||_mstalt="428870"]]
1925
1926 (% _msthash="506132" _msttexthash="337922" %)
1927 Downlink commands:
1928
1929
1930 (% _msthash="506133" _msttexthash="33046" %)
1931 **TTN:**
1932
1933 [[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1934
1935
1936 (% _msthash="506134" _msttexthash="11113791" %)
1937 **Helium：**
1938
1939 [[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1940
1941
1942 (% _msthash="506135" _msttexthash="4159844" %)
1943 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1944
1945 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1946
1947 [[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1948
1949
1950 (% _msthash="506136" _msttexthash="39286" %)
1951 **Aws:**
1952
1953 [[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1954
1955
1956 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1957
1958 [[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"]]
1959
1960
1961 (% _msthash="536757" _msttexthash="1874951" %)
1962 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1963
1964 [[image:image-20220615153355-1.png]]
1965
1966 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1967
1968 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1969
1970 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1971
1972 [[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1973
1974
1975 (((
1976 (% _msthash="736728" _msttexthash="67213055" %)
1977 (((
1978 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.
1979 )))
1980 )))
1981
1982 (((
1983 (% _msthash="736729" _msttexthash="1907009" %)
1984 Input password and ATZ to activate LHT65N,As shown below:
1985
1986 [[image:image-20220615154519-3.png]]
1987
1988
1989 )))
1990
1991
1992 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1993
1994 [[image:image-20220615153355-1.png]]
1995
1996 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1997
1998 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
1999
2000 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2001
2002 Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
2003
2004
2005 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2006
2007 [[image:image-20220615170542-5.png]]
2008
2009
2010 (% _msthash="506146" _msttexthash="52173160" %)
2011 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2012
2013
2014 (% _msthash="506147" _msttexthash="188083584" %)
2015 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2016
2017 [[image:image-20220615171334-6.png]]
2018
2019
2020 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2021
2022
2023 )))
2024
2025 (% _mstvisible="1" %)
2026 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2027
2028 (% _mstvisible="1" %)
2029 (((
2030 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2031 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2032 )))
2033
2034 (% _mstvisible="1" %)
2035 (((
2036 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2037 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2038 )))
2039
2040 (% _mstvisible="1" %)
2041 * (% _mstvisible="3" %)
2042 (((
2043 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2044 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2045 )))
2046 * (% _mstvisible="3" %)
2047 (((
2048 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2049 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2050 )))
2051 * (% _mstvisible="3" %)
2052 (((
2053 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2054 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2055 )))
2056 * (% _mstvisible="3" %)
2057 (((
2058 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2059 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2060 )))
2061 * (% _mstvisible="3" %)
2062 (((
2063 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2064 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2065 )))
2066 * (% _mstvisible="3" %)
2067 (((
2068 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2069 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2070 )))
2071 * (% _mstvisible="3" %)
2072 (((
2073 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2074 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2075 )))
2076 * (% _mstvisible="3" %)
2077 (((
2078 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2079 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2080 )))
2081
2082 (% _mstvisible="1" %)
2083 (((
2084 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2085 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2086 )))
2087
2088 (% _mstvisible="1" %)
2089 * (% _mstvisible="3" %)
2090 (((
2091 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2092 (% style="color:red" %)**E3**(%%): External Temperature Probe
2093
2094
2095 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2096
2097 )))
2098
2099 (% _mstvisible="1" %)
2100 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2101
2102 (% _mstvisible="1" %)
2103 (((
2104 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2105
2106
2107 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2108 (% _mstvisible="3" %)**Package Includes**(%%):
2109 )))
2110
2111 (% _mstvisible="1" %)
2112 * (% _mstvisible="3" %)
2113 (((
2114 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2115 LHT65N Temperature & Humidity Sensor x 1
2116 )))
2117 * (% _mstvisible="3" %)
2118 (((
2119 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2120 Optional external sensor
2121 )))
2122
2123 (% _mstvisible="1" %)
2124 (((
2125 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2126 (% _mstvisible="3" %)**Dimension and weight**(%%):
2127 )))
2128
2129 (% _mstvisible="1" %)
2130 * (% _mstvisible="3" %)
2131 (((
2132 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2133 Device Size:  10 x 10 x 3.5 cm
2134 )))
2135 * (% _mstvisible="3" %)
2136 (((
2137 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2138 Device Weight: 120.5g
2139 )))
2140
2141 (% _mstvisible="3" %)
2142 (((
2143
2144
2145 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
2146
2147 )))
2148
2149 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2150
2151 * [[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"]]
2152
2153
2154
2155 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2156
2157 (% _mstvisible="1" %)
2158 (((
2159 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2160 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2161 )))
2162
2163 (% _mstvisible="1" %)
2164 (((
2165 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2166 (1) This device may not cause harmful interference；
2167 )))
2168
2169 (% _mstvisible="1" %)
2170 (((
2171 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2172 (2) this device must accept any interference received, including interference that may cause undesired operation.
2173 )))