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Version 166.15 by Xiaoling on 2022/06/21 10:41
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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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43 (% _mstvisible="1" %)
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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55 (% _mstvisible="1" %)
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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67 (% _mstvisible="1" %)
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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80 (% _mstvisible="1" %)
81 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
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84 (((
85 (% _mstvisible="2" %)
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89 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
90 )))
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92 (% _mstvisible="1" %)
93 * (% _mstvisible="3" %)
94 (((
95 (% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
96 Resolution: 0.01 °C
97 )))
98 * (% _mstvisible="3" %)
99 (((
100 (% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
101 Accuracy Tolerance : Typ ±0.3 °C
102 )))
103 * (% _mstvisible="3" %)
104 (((
105 (% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
106 Long Term Drift: < 0.02 °C/yr
107 )))
108 * (% _mstvisible="3" %)
109 (((
110 (% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
111 Operating Range: -40 ~~ 85 °C
112 )))
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114 (% _mstvisible="1" %)
115 (((
116 (% _mstvisible="2" %)
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119 (% _mstvisible="2" %)
120 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
121 )))
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123 (% _mstvisible="1" %)
124 * (% _mstvisible="3" %)
125 (((
126 (% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
127 Resolution: 0.04 %RH
128 )))
129 * (% _mstvisible="3" %)
130 (((
131 (% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
132 Accuracy Tolerance : Typ ±3 %RH
133 )))
134 * (% _mstvisible="3" %)
135 (((
136 (% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
137 Long Term Drift: < 0.02 °C/yr
138 )))
139 * (% _mstvisible="3" %)
140 (((
141 (% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
142 Operating Range: 0 ~~ 96 %RH
143 )))
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145 (% _mstvisible="1" %)
146 (((
147 (% _mstvisible="2" %)
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150 (% _mstvisible="2" %)
151 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
152 )))
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154 (% _mstvisible="1" %)
155 * (% _mstvisible="3" %)
156 (((
157 (% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
158 Resolution: 0.0625 °C
159 )))
160 * (% _mstvisible="3" %)
161 (((
162 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
163 ±0.5°C accuracy from -10°C to +85°C
164 )))
165 * (% _mstvisible="3" %)
166 (((
167 (% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
168 ±2°C accuracy from -55°C to +125°C
169 )))
170 * (% _mstvisible="3" %)
171 (((
172 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
173 Operating Range: -55 °C ~~ 125 °C
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176 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
177
178 )))
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180 (% _mstvisible="1" %)
181 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
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183 (% _mstvisible="1" %)
184 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
185
186 (% _mstvisible="1" %)
187 (((
188 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
189 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.
190 )))
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192 (% _mstvisible="1" %)
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194 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
195 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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197 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
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199 )))
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201 (% _mstvisible="1" %)
202 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
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204 (% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
205 The LHT65N has two working modes:
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207 (% _mstvisible="1" %)
208 * (% 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.
209 * (% 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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212 (((
213 (% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
214 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
215 )))
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217 (% _mstvisible="1" %)
218 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
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220 (% _mstvisible="1" %)
221 [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
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224 (% _mstvisible="1" %)
225 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
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227 (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
228 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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230 (% _mstvisible="1" class="wikigeneratedid" %)
231 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
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233 (% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
234 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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237 (% _mstvisible="1" %)
238 === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
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240 (% _msthash="315242" _msttexthash="1601782" _mstvisible="1" %)
241 Create a device in TTN V3 with the OTAA keys from LHT65N.
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243 (% _msthash="315243" _msttexthash="3694444" _mstvisible="1" %)
244 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
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246 (% _mstvisible="1" %)
247 [[image:image-20220617150003-1.jpeg]]
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249 (% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
250 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
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252 (% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
253 Add APP EUI in the application.
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255 (% _mstvisible="1" %)
256 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
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258 (% _mstvisible="1" %)
259 [[image:image-20220522232932-4.png||_mstalt="430157" _mstvisible="3"]]
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261 (% _mstvisible="1" %)
262 [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
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264 (% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
265 Note: LHT65N use same payload as LHT65.
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267 (% _mstvisible="1" %)
268 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
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271 (% _msthash="315247" _msttexthash="595543" _mstvisible="1" %)
272 Input APP EUI,  APP KEY and DEV EUI:
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274 (% _mstvisible="1" %)
275 [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
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279 (% _mstvisible="1" %)
280 === (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
281
282 (% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
283 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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285 (% _mstvisible="1" %)
286 [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
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290 (% _mstvisible="1" %)
291 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
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293 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
294 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.
295
296 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
297 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
298
299 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
300 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
301 (((
302 (% _mstvisible="6" %)
303 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
304 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
305 (((
306 (% _mstvisible="6" %)
307 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
308 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
309 (((
310 (% _mstvisible="6" %)
311 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
312 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
313 (((
314 (% _mstvisible="6" %)
315 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
316 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
317 (((
318 (% _mstvisible="6" %)
319 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
320 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
321 (((
322 (% _mstvisible="6" %)
323 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
324 )))
325 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
326 (((
327 (% _mstvisible="6" %)
328 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
329 )))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
330 (((
331 (% _mstvisible="6" %)
332 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
333 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
334 (((
335 (% _mstvisible="6" %)
336 (((
337 (% _mstvisible="7" %)
338 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
339 )))
340 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
341 (((
342 (% _mstvisible="6" %)
343 (((
344 (% _mstvisible="7" %)
345 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
346 )))
347
348 (% _mstvisible="6" %)
349 (((
350 (% _mstvisible="7" %)
351 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
352 )))
353 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
354 (((
355 (% _mstvisible="6" %)
356 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
357 )))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
358 (((
359 (% _mstvisible="6" %)
360 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
361 )))
362
363 (% _mstvisible="1" %)
364 * The First 6 bytes: has fix meanings for every LHT65N.
365 * The 7th byte (EXT #): defines the external sensor model.
366 * 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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368 (% _mstvisible="1" %)
369 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
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371 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
372 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.
373
374 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
375 Below is the position to put the decoder and LHT65N decoder can be download from here:
376
377 (% _mstvisible="1" %)
378 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
379
380 (% _mstvisible="1" %)
381 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
382
383
384
385 (% _mstvisible="1" %)
386 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
387
388 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
389 These two bytes of BAT include the battery state and the actually voltage
390
391 (% _mstvisible="1" %)
392 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
393
394 (% _mstvisible="1" %)
395 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
396
397 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
398 Check the battery voltage for LHT65N.
399
400 (% _mstvisible="1" %)
401 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
402 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
403
404
405
406
407 (% _mstvisible="1" %)
408 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
409
410 (% _mstvisible="1" %)
411 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
412
413 (% _mstvisible="1" %)
414 * Temperature:  0x0ABB/100=27.47℃
415
416 (% _mstvisible="1" %)
417 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
418
419 (% _mstvisible="1" %)
420 * Temperature:  (0xF5C6-65536)/100=-26.18℃
421
422
423
424
425 (% _mstvisible="1" %)
426 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
427
428 (% _mstvisible="1" %)
429 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
430
431 (% _mstvisible="1" %)
432 * Humidity:    0x025C/10=60.4%
433
434
435
436
437 (% _mstvisible="1" %)
438 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
439
440 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
441 Bytes for External Sensor:
442
443 (% _mstvisible="1" %)
444 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
445
446
447 (% _mstvisible="1" %)
448 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
449
450 (% _mstvisible="1" %)
451 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
452
453 (% _mstvisible="1" %)
454 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
455
456
457 (% _mstvisible="1" %)
458 * DS18B20 temp=0x0ADD/100=27.81℃
459
460 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
461 The last 2 bytes of data are meaningless
462
463 (% _mstvisible="1" %)
464 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
465
466
467 (% _mstvisible="1" %)
468 * External temperature= (0xF54F-65536)/100=-27.37℃
469
470 (% _mstvisible="1" %)
471 (((
472 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
473 The last 2 bytes of data are meaningless
474 )))
475
476 (% _mstvisible="1" %)
477 (((
478 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
479 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
480 )))
481
482
483 (% _mstvisible="1" %)
484 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
485
486 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
487 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:
488
489 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
490 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
491 (((
492 (% _mstvisible="6" %)
493 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
494 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
495 (((
496 (% _mstvisible="6" %)
497 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
498 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
499 (((
500 (% _mstvisible="6" %)
501 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
502 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
503 (((
504 (% _mstvisible="6" %)
505 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
506 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
507 (((
508 (% _mstvisible="6" %)
509 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
510 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
511 (((
512 (% _mstvisible="6" %)
513 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
514 )))
515 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
516 (((
517 (% _mstvisible="6" %)
518 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
519 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
520 (((
521 (% _mstvisible="6" %)
522 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
523 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
524 (((
525 (% _mstvisible="6" %)
526 (((
527 (% _mstvisible="7" %)
528 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
529 )))
530
531 (% _mstvisible="6" %)
532 (((
533 (% _mstvisible="7" %)
534 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
535 )))
536 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
537 (((
538 (% _mstvisible="6" %)
539 (((
540 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
541 BAT Status &
542 )))
543
544 (% _mstvisible="6" %)
545 (((
546 (% _mstvisible="7" %)
547 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
548 )))
549 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
550 (((
551 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
552 Status & Ext
553 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
554 (((
555 (% _mstvisible="6" %)
556 (((
557 (% _mstvisible="7" %)
558 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
559 )))
560 )))
561
562 (% _mstvisible="1" %)
563 * (% _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**
564
565 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
566 (% _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]
567 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
568 (((
569 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
570 BAT Status
571
572 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
573 00(b): Ultra Low ( BAT <= 2.50v)
574
575 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
576 01(b): Low  (2.50v <=BAT <= 2.55v)
577
578 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
579 10(b): OK   (2.55v <= BAT <=2.65v)
580
581 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
582 11(b): Good   (BAT >= 2.65v)
583 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
584 (((
585 (% _mstvisible="6" %)
586 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
587
588 (% _mstvisible="6" %)
589
590 )))
591
592 (% _mstvisible="1" %)
593 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
594
595 (% _mstvisible="1" %)
596 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
597
598 (% _mstvisible="1" %)
599 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
600 * 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.
601 * 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)
602
603
604
605
606 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
607
608 In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
609
610 be used to power the external ADC sensor; user can control the power on time for this
611
612 sensor by setting:
613
614 AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
615
616
617
618 (% _mstvisible="1" %)
619 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
620
621 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
622 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:
623
624 (% _mstvisible="1" %)
625 (((
626 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
627 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
628 )))
629
630 (% _mstvisible="1" %)
631 (((
632 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
633 (% _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.
634 )))
635
636 (% _mstvisible="1" %)
637 (((
638 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
639 Add Datacake:
640 )))
641
642 (% _mstvisible="1" %)
643 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
644
645
646 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
647 Select default key as Access Key:
648
649 (% _mstvisible="1" %)
650 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
651
652 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
653 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
654
655 (% _mstvisible="1" %)
656 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
657
658 (% _mstvisible="1" %)
659 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
660
661
662
663 (% _mstvisible="1" %)
664 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
665
666 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
667 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.
668
669
670 (% _mstvisible="1" %)
671 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
672
673 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
674 There are two methods:
675
676 (% _mstvisible="1" %)
677 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
678 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.
679
680
681
682
683 (% _mstvisible="1" %)
684 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
685
686 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
687 LHT65N uses Unix TimeStamp format based on
688
689 (% _mstvisible="1" %)
690 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
691
692
693 (% _mstvisible="1" %)
694 (((
695 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
696 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
697 )))
698
699 (% _mstvisible="1" %)
700 (((
701 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
702 Below is the converter example
703 )))
704
705 (% _mstvisible="1" %)
706 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
707
708 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
709 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
710
711
712 (% _mstvisible="1" %)
713 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
714
715 (% _mstvisible="1" %)
716 (((
717 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
718 There are two ways to set device’s time:
719 )))
720
721 (% _mstvisible="1" %)
722 (((
723 (% _mstvisible="2" %)
724 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
725 )))
726
727 (% _mstvisible="1" %)
728 (((
729 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
730 User need to set SYNCMOD=1 to enable sync time via MAC command.
731 )))
732
733 (% _mstvisible="1" %)
734 (((
735 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
736 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).
737 )))
738
739 (% _mstvisible="1" %)
740 (((
741 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
742 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.
743 )))
744
745 (% _mstvisible="1" %)
746 (((
747 (% _mstvisible="2" %)
748
749 )))
750
751 (% _mstvisible="1" %)
752 (((
753 (% _mstvisible="2" %)
754 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
755 )))
756
757 (% _mstvisible="1" %)
758 (((
759 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
760 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
761
762 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
763
764 )))
765
766 (% _mstvisible="1" %)
767 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
768
769 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
770 User can poll sensor value based on timestamps from the server. Below is the downlink command.
771
772 (% _mstvisible="1" %)
773 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
774
775 (% _mstvisible="1" %)
776 (((
777 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
778 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.
779 )))
780
781 (% _mstvisible="1" %)
782 (((
783 (% _mstvisible="2" %)
784 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
785 )))
786
787 (% _mstvisible="1" %)
788 (((
789 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
790 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
791 )))
792
793 (% _mstvisible="1" %)
794 (((
795 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
796 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
797 )))
798
799
800 (% _mstvisible="1" %)
801 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
802
803 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
804 The Datalog poll reply uplink will use below payload format.
805
806 (% _mstvisible="1" %)
807 (((
808 (% _mstvisible="2" %)
809 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
810 )))
811
812 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
813 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
814 (((
815 (% _mstvisible="6" %)
816 (((
817 (% _mstvisible="7" %)
818 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
819 )))
820 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
821 (((
822 (% _mstvisible="6" %)
823 (((
824 (% _mstvisible="7" %)
825 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
826 )))
827 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
828 (((
829 (% _mstvisible="6" %)
830 (((
831 (% _mstvisible="7" %)
832 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
833 )))
834 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
835 (((
836 (% _mstvisible="6" %)
837 (((
838 (% _mstvisible="7" %)
839 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
840 )))
841 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
842 (((
843 (% _mstvisible="6" %)
844 (((
845 (% _mstvisible="7" %)
846 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
847 )))
848 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
849 (((
850 (% _mstvisible="6" %)
851 (((
852 (% _mstvisible="7" %)
853 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
854 )))
855 )))
856 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
857 (((
858 (% _mstvisible="6" %)
859 (((
860 (% _mstvisible="7" %)
861 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
862 )))
863 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
864 (((
865 (% _mstvisible="6" %)
866 (((
867 (% _mstvisible="7" %)
868 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
869 )))
870 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
871 (((
872 (% _mstvisible="6" %)
873 (((
874 (% _mstvisible="7" %)
875 (((
876 (% _mstvisible="8" %)
877 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
878 )))
879 )))
880
881 (% _mstvisible="6" %)
882 (((
883 (% _mstvisible="7" %)
884 (((
885 (% _mstvisible="8" %)
886 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
887 )))
888 )))
889 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
890 (((
891 (% _mstvisible="6" %)
892 (((
893 (% _mstvisible="7" %)
894 (((
895 (% _mstvisible="8" %)
896 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
897 )))
898 )))
899
900 (% _mstvisible="6" %)
901 (((
902 (% _mstvisible="7" %)
903 (((
904 (% _mstvisible="8" %)
905 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
906 )))
907 )))
908 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
909 (((
910 (% _mstvisible="6" %)
911 (((
912 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
913 Poll message flag & Ext
914 )))
915 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
916 (((
917 (% _mstvisible="6" %)
918 (((
919 (% _mstvisible="7" %)
920 (((
921 (% _mstvisible="8" %)
922 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
923 )))
924 )))
925
926 (% _mstvisible="6" %)
927 (((
928 (% _mstvisible="7" %)
929 (((
930 (% _mstvisible="8" %)
931
932 )))
933 )))
934 )))
935
936 (% _mstvisible="1" %)
937 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
938
939 (% _mstvisible="1" %)
940 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
941
942 (% _mstvisible="1" %)
943 (((
944 (% _mstvisible="2" %)
945 (((
946 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
947 Poll Message Flag: 1: This message is a poll message reply.
948 )))
949 )))
950
951 (% _mstvisible="1" %)
952 * (% _mstvisible="3" %)
953 (((
954 (% _mstvisible="4" %)
955 (((
956 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
957 Poll Message Flag is set to 1.
958 )))
959 )))
960 * (% _mstvisible="3" %)
961 (((
962 (% _mstvisible="4" %)
963 (((
964 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
965 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
966 )))
967 )))
968
969 (% _mstvisible="1" %)
970 (((
971 (% _mstvisible="2" %)
972 (((
973 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
974
975
976 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
977 For example, in US915 band, the max payload for different DR is:
978 )))
979 )))
980
981 (% _mstvisible="1" %)
982 (((
983 (% _mstvisible="2" %)
984 (((
985 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
986 a) DR0: max is 11 bytes so one entry of data
987 )))
988 )))
989
990 (% _mstvisible="1" %)
991 (((
992 (% _mstvisible="2" %)
993 (((
994 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
995 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
996 )))
997 )))
998
999 (% _mstvisible="1" %)
1000 (((
1001 (% _mstvisible="2" %)
1002 (((
1003 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
1004 c) DR2: total payload includes 11 entries of data
1005 )))
1006 )))
1007
1008 (% _mstvisible="1" %)
1009 (((
1010 (% _mstvisible="2" %)
1011 (((
1012 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1013 d) DR3: total payload includes 22 entries of data.
1014 )))
1015 )))
1016
1017 (% _mstvisible="1" %)
1018 (((
1019 (% _mstvisible="2" %)
1020 (((
1021 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1022 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1023 )))
1024 )))
1025
1026
1027 (% _mstvisible="1" style="text-align: left;" %)
1028 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1029
1030 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1031 If LHT65N has below data inside Flash:
1032
1033 (% _mstvisible="1" %)
1034 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1035
1036 (% _mstvisible="1" %)
1037 (((
1038 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1039 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1040 )))
1041
1042 (% _mstvisible="1" %)
1043 (((
1044 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1045 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1046 )))
1047
1048 (% _mstvisible="1" %)
1049 (((
1050 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1051 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1052 )))
1053
1054 (% _mstvisible="1" %)
1055 (((
1056 (% _mstvisible="2" %)
1057
1058 )))
1059
1060 (% _mstvisible="1" %)
1061 (((
1062 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1063 LHT65N will uplink this payload.
1064 )))
1065
1066 (% _mstvisible="1" %)
1067 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1068
1069 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1070 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1071
1072 (% _msthash="315237" _msttexthash="1385839" %)
1073 Where the first 11 bytes is for the first entry:
1074
1075 (% _msthash="315238" _msttexthash="274846" %)
1076 7FFF089801464160065F97
1077
1078 (% _msthash="315239" _msttexthash="617435" %)
1079 Ext sensor data=0x7FFF/100=327.67
1080
1081 (% _msthash="315240" _msttexthash="270543" %)
1082 Temp=0x0898/100=22.00
1083
1084 (% _msthash="315241" _msttexthash="211783" %)
1085 Hum=0x0146/10=32.6
1086
1087 (% _msthash="315242" _msttexthash="1569776" %)
1088 poll message flag & Ext=0x41,means reply data,Ext=1
1089
1090 (% _msthash="315243" _msttexthash="1120509" %)
1091 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1092
1093
1094 (% _mstvisible="1" style="text-align: left;" %)
1095 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1096
1097 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1098 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.
1099
1100 (% _mstvisible="1" %)
1101 (((
1102 (% _mstvisible="2" style="text-align: left;" %)
1103 (% _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.
1104 )))
1105
1106 (% _mstvisible="1" style="text-align: left;" %)
1107 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1108
1109 (% _mstvisible="1" class="box infomessage" %)
1110 (((
1111 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1112 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1113
1114 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1115 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1116
1117 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1118 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1119
1120 (% _mstvisible="2" style="text-align: left;" %)
1121 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1122
1123 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1124 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1125 )))
1126
1127
1128
1129 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1130 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1131
1132 (% _mstvisible="1" %)
1133 (((
1134 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1135 The LHT65 has a triple color LED which for easy showing different stage .
1136
1137 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1138 While user press ACT button, the LED will work as per LED status with ACT button.
1139 )))
1140
1141 (% _mstvisible="1" %)
1142 (((
1143 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1144 In a normal working state:
1145 )))
1146
1147 (% _mstvisible="1" %)
1148 * (% _mstvisible="3" %)
1149 (((
1150 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1151 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1152
1153 (% _msthash="197771" _msttexthash="1202526" %)
1154 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1155 )))
1156 * (% _mstvisible="3" %)
1157 (((
1158 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1159 RED LED when external sensor is not connected
1160 )))
1161 * (% _mstvisible="3" %)
1162 (((
1163 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1164 For each success downlink, the PURPLE LED will blink once
1165
1166
1167
1168 )))
1169
1170 (% _mstvisible="1" style="text-align: left;" %)
1171 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1172
1173 (% _mstvisible="1" %)
1174 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1175
1176
1177 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1178 = (% _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(%%) =
1179
1180 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1181 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1182
1183 [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1184
1185 1m long breakout cable for LHT65N
1186
1187 [[image:image-20220619092421-3.png||height="371" width="529"]]
1188
1189
1190
1191 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1192 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1193
1194 (% _mstvisible="1" %)
1195 [[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"]]
1196
1197
1198 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1199 Temperature sensor with 2 meters cable long
1200
1201 (% _mstvisible="1" %)
1202 * Resolution: 0.0625 °C
1203 * ±0.5°C accuracy from -10°C to +85°C
1204 * ±2°C accuracy from -55°C to +125°C
1205 * Operating Range: -40 ~~ 125 °C
1206 * -55°C to 125°C
1207 * Working voltage 2.35v ~~ 5v
1208
1209
1210
1211
1212 (% _mstvisible="1" style="text-align: left;" %)
1213 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1214
1215 (% _mstvisible="1" %)
1216 (((
1217 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1218 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1219 )))
1220
1221 (% _mstvisible="1" %)
1222 * (% _mstvisible="3" %)
1223 (((
1224 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1225 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1226 )))
1227 * (% _mstvisible="3" %)
1228 (((
1229 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1230 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1231 )))
1232
1233 (% _mstvisible="1" %)
1234 (((
1235 (% _mstvisible="2" style="text-align: left;" %)
1236
1237 )))
1238
1239 (% _mstvisible="1" %)
1240 (((
1241 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1242 There are two kinds of commands to configure LHT65N, they are:
1243 )))
1244
1245 (% _mstvisible="1" %)
1246 (((
1247 (% _mstvisible="2" style="text-align: left;" %)
1248 (% _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" %).
1249 )))
1250
1251 (% _mstvisible="1" %)
1252 (((
1253 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1254 These commands are to configure:
1255 )))
1256
1257 (% _mstvisible="1" %)
1258 * (% _mstvisible="3" %)
1259 (((
1260 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1261 General system settings like: uplink interval.
1262 )))
1263 * (% _mstvisible="3" %)
1264 (((
1265 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1266 LoRaWAN protocol & radio-related commands.
1267 )))
1268
1269 (% _mstvisible="1" %)
1270 (((
1271 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1272 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]]
1273 )))
1274
1275 (% _mstvisible="1" %)
1276 (((
1277 (% _mstvisible="2" style="text-align: left;" %)
1278
1279 )))
1280
1281 (% _mstvisible="1" %)
1282 (((
1283 (% _mstvisible="2" style="text-align: left;" %)
1284 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1285 )))
1286
1287 (% _mstvisible="1" %)
1288 (((
1289 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1290 These commands are only valid for LHT65N, as below:
1291
1292
1293 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1294
1295 )))
1296
1297 (% _mstvisible="1" style="text-align: left;" %)
1298 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1299
1300 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1301 Feature: Change LoRaWAN End Node Transmit Interval.
1302
1303 (% _mstvisible="1" style="text-align: left;" %)
1304 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1305
1306 (% _mstvisible="1" %)
1307 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1308
1309 (% _mstvisible="1" %)
1310 (((
1311 (% _mstvisible="2" style="text-align: left;" %)
1312
1313
1314 (% _mstvisible="2" style="text-align: left;" %)
1315 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1316 )))
1317
1318 (% _mstvisible="1" %)
1319 (((
1320 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1321 Format: Command Code (0x01) followed by 3 bytes time value.
1322 )))
1323
1324 (% _mstvisible="1" %)
1325 (((
1326 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1327 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1328 )))
1329
1330 (% _mstvisible="1" %)
1331 * (% _mstvisible="3" %)
1332 (((
1333 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1334 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1335 )))
1336 * (% _mstvisible="3" %)
1337 (((
1338 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1339 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1340
1341
1342 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1343
1344 )))
1345
1346 (% _mstvisible="1" style="text-align: left;" %)
1347 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1348
1349 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1350 Feature: Change External Sensor Mode.
1351
1352 (% _mstvisible="1" style="text-align: left;" %)
1353 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1354
1355 (% _mstvisible="1" %)
1356 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1357
1358 (% _mstvisible="1" %)
1359 (((
1360 (% _mstvisible="2" style="text-align: left;" %)
1361
1362
1363 (% _mstvisible="2" style="text-align: left;" %)
1364 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1365 )))
1366
1367 (% _mstvisible="1" %)
1368 (((
1369 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1370 Total bytes: 2 ~~ 5 bytes
1371 )))
1372
1373 (% _mstvisible="1" %)
1374 (((
1375 (% _mstvisible="2" %)
1376 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1377 )))
1378
1379 (% _mstvisible="1" %)
1380 * (% _mstvisible="3" %)
1381 (((
1382 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1383 0xA201: Set external sensor type to E1
1384 )))
1385 * (% _mstvisible="3" %)
1386 (((
1387 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1388 0xA209: Same as AT+EXT=9
1389 )))
1390 * (% _mstvisible="3" %)
1391 (((
1392 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1393 0xA20702003c,Same as AT+SETCNT=60
1394
1395
1396 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1397
1398 )))
1399
1400 (% _mstvisible="1" style="text-align: left;" %)
1401 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1402
1403 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1404 Feature: If PID is enabled, device will send the temperature probe ID on:
1405
1406 (% _mstvisible="1" %)
1407 * First Packet after OTAA Join
1408 * Every 24 hours since the first packet.
1409
1410 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1411 PID is default set to disable (0)
1412
1413 (% _mstvisible="1" style="text-align: left;" %)
1414 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1415
1416 (% _mstvisible="1" %)
1417 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1418
1419
1420 (% _mstvisible="1" style="text-align: left;" %)
1421 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1422
1423 (% _mstvisible="1" %)
1424 * 0xA800  **~-~->** AT+PID=0
1425 * 0xA801     **~-~->** AT+PID=1
1426
1427
1428
1429
1430 (% _mstvisible="1" style="text-align: left;" %)
1431 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1432
1433 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1434 Feature: Set device password, max 9 digits
1435
1436 (% _mstvisible="1" style="text-align: left;" %)
1437 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1438
1439 (% _mstvisible="1" %)
1440 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1441
1442 (% _mstvisible="1" %)
1443 (((
1444 (% _mstvisible="2" style="text-align: left;" %)
1445
1446
1447 (% _mstvisible="2" style="text-align: left;" %)
1448 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1449 )))
1450
1451 (% _mstvisible="1" %)
1452 (((
1453 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1454 No downlink command for this feature.
1455
1456 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1457
1458 )))
1459
1460 (% _mstvisible="1" style="text-align: left;" %)
1461 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1462
1463 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1464 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1465
1466 (% _mstvisible="1" style="text-align: left;" %)
1467 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1468
1469 (% _mstvisible="1" %)
1470 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1471
1472
1473 (% _mstvisible="1" style="text-align: left;" %)
1474 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1475
1476 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1477 No downlink command for this feature.
1478
1479
1480 (% _mstvisible="1" style="text-align: left;" %)
1481 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1482
1483 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1484 Feature: Set device to sleep mode
1485
1486 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1487 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1488
1489 (% _mstvisible="1" style="text-align: left;" %)
1490 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1491
1492 (% _mstvisible="1" %)
1493 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1494
1495
1496 (% _mstvisible="1" %)
1497 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1498
1499 (% _mstvisible="1" %)
1500 * There is no downlink command to set to Sleep mode.
1501
1502
1503
1504
1505 (% _mstvisible="1" %)
1506 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1507
1508 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1509 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1510
1511 (% _mstvisible="1" %)
1512 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1513
1514 (% _mstvisible="1" %)
1515 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1516
1517
1518 (% _mstvisible="1" %)
1519 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1520
1521 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1522 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1523
1524
1525 (% _mstvisible="1" %)
1526 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1527
1528 (% _mstvisible="1" %)
1529 (((
1530 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1531 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1532 )))
1533
1534 (% _mstvisible="1" %)
1535 (((
1536 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1537 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.
1538 )))
1539
1540 (% _mstvisible="1" %)
1541 (((
1542 (% _mstvisible="2" %)
1543 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1544 )))
1545
1546 (% _mstvisible="1" %)
1547 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1548
1549
1550 (% _mstvisible="1" %)
1551 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1552
1553 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1554 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1555
1556 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1557 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1558
1559
1560 (% _mstvisible="1" %)
1561 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1562
1563 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1564 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1565
1566 (% _mstvisible="1" %)
1567 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1568
1569 (% _mstvisible="1" %)
1570 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1571
1572
1573 (% _mstvisible="1" %)
1574 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1575
1576 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1577 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1578
1579
1580 (% _mstvisible="1" %)
1581 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1582
1583 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1584 Feature: Print the sector data from start page to stop page (max is 416 pages).
1585
1586 (% _mstvisible="1" %)
1587 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1588
1589 (% _mstvisible="1" %)
1590 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1591
1592
1593 (% _mstvisible="1" %)
1594 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1595
1596 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1597 No downlink commands for feature
1598
1599
1600 (% _mstvisible="1" %)
1601 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1602
1603 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1604 Feature: Print the last few data entries
1605
1606 (% _mstvisible="1" %)
1607 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1608
1609 (% _mstvisible="1" %)
1610 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1611
1612
1613 (% _mstvisible="1" %)
1614 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1615
1616 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1617 No downlink commands for feature
1618
1619
1620 (% _mstvisible="1" %)
1621 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1622
1623 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1624 Feature: Clear flash storage for data log feature.
1625
1626 (% _mstvisible="1" %)
1627 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1628
1629 (% _mstvisible="1" %)
1630 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1631
1632
1633 (% _mstvisible="1" %)
1634 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1635
1636 (% _mstvisible="1" %)
1637 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1638
1639
1640
1641
1642 (% _mstvisible="1" %)
1643 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1644
1645 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1646 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.
1647
1648
1649 (% _mstvisible="1" %)
1650 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1651
1652 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1653 The default factory setting is 0
1654
1655 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1656 (% _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**
1657 (% _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
1658
1659 (% _mstvisible="1" %)
1660 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1661
1662 (% _mstvisible="1" %)
1663 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1664
1665
1666
1667
1668 (% _mstvisible="1" %)
1669 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1670
1671 (% _mstvisible="1" %)
1672 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1673
1674 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1675 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.
1676
1677 (% _mstvisible="1" %)
1678 (((
1679 (% _mstvisible="2" %)
1680 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1681 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1682 )))
1683
1684 (% _mstvisible="1" %)
1685 (((
1686 (% _mstvisible="2" %)
1687 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1688
1689 )))
1690
1691 (% _mstvisible="1" %)
1692 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1693
1694 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1695 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.
1696
1697 (% _mstvisible="1" %)
1698 [[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"]]
1699
1700
1701 (% _mstvisible="1" %)
1702 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1703
1704 (% _mstvisible="1" %)
1705 (((
1706 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1707 (((
1708 (% _msthash="736723" _msttexthash="35479028" %)
1709 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:
1710 [[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]]
1711 )))
1712
1713 (((
1714
1715 )))
1716
1717 (((
1718 (% _msthash="736724" _msttexthash="12045098" %)
1719 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]]
1720 )))
1721
1722
1723 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1724 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1725
1726 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1727 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1728
1729 (((
1730 (% _msthash="736725" _msttexthash="9345674" %)
1731 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.
1732 )))
1733
1734 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1735
1736
1737 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1738
1739 (% _msthash="506062" _msttexthash="1187732" %)
1740 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1741
1742 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1743
1744 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1745
1746 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1747
1748
1749 (((
1750 (% _msthash="736726" _msttexthash="67213055" %)
1751 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.
1752 )))
1753
1754 (((
1755 (% _msthash="736727" _msttexthash="1907009" %)
1756 Input password and ATZ to activate LHT65N,As shown below:
1757 )))
1758
1759 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1760
1761
1762 (% _msthash="506066" _msttexthash="544869" %)
1763 AT Command List is as below:
1764
1765 (% _msthash="506067" _msttexthash="361920" %)
1766 AT+<CMD>? :  Help on <CMD>
1767
1768 (% _msthash="506068" _msttexthash="243061" %)
1769 AT+<CMD> :  Run <CMD>
1770
1771 (% _msthash="506069" _msttexthash="704197" %)
1772 AT+<CMD>=<value> :  Set the value
1773
1774 (% _msthash="506070" _msttexthash="455676" %)
1775 AT+<CMD>=? :  Get the value
1776
1777 (% _msthash="506071" _msttexthash="670553" %)
1778 AT+DEBUG:  Set more info output
1779
1780 (% _msthash="506072" _msttexthash="485888" %)
1781 ATZ:  Trig a reset of the MCU
1782
1783 (% _msthash="506073" _msttexthash="2068872" %)
1784 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1785
1786 (% _msthash="506074" _msttexthash="689169" %)
1787 AT+DEUI:  Get or Set the Device EUI
1788
1789 (% _msthash="506075" _msttexthash="960414" %)
1790 AT+DADDR:  Get or Set the Device Address
1791
1792 (% _msthash="506076" _msttexthash="1079897" %)
1793 AT+APPKEY:  Get or Set the Application Key
1794
1795 (% _msthash="506077" _msttexthash="1326143" %)
1796 AT+NWKSKEY:  Get or Set the Network Session Key
1797
1798 (% _msthash="506078" _msttexthash="1573000" %)
1799 AT+APPSKEY:  Get or Set the Application Session Key
1800
1801 (% _msthash="506079" _msttexthash="1041729" %)
1802 AT+APPEUI:  Get or Set the Application EUI
1803
1804 (% _msthash="506080" _msttexthash="2104206" %)
1805 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1806
1807 (% _msthash="506081" _msttexthash="3369288" %)
1808 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1809
1810 (% _msthash="506082" _msttexthash="1894529" %)
1811 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1812
1813 (% _msthash="506083" _msttexthash="3864172" %)
1814 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1815
1816 (% _msthash="506084" _msttexthash="1712204" %)
1817 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1818
1819 (% _msthash="506085" _msttexthash="1281202" %)
1820 AT+RX2FQ:  Get or Set the Rx2 window frequency
1821
1822 (% _msthash="506086" _msttexthash="2796781" %)
1823 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1824
1825 (% _msthash="506087" _msttexthash="3285165" %)
1826 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1827
1828 (% _msthash="506088" _msttexthash="3286179" %)
1829 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1830
1831 (% _msthash="506089" _msttexthash="4703803" %)
1832 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1833
1834 (% _msthash="506090" _msttexthash="4704999" %)
1835 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1836
1837 (% _msthash="506091" _msttexthash="1528683" %)
1838 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1839
1840 (% _msthash="506092" _msttexthash="757185" %)
1841 AT+NWKID:  Get or Set the Network ID
1842
1843 (% _msthash="506093" _msttexthash="1156597" %)
1844 AT+FCU:  Get or Set the Frame Counter Uplink
1845
1846 (% _msthash="506094" _msttexthash="1273987" %)
1847 AT+FCD:  Get or Set the Frame Counter Downlink
1848
1849 (% _msthash="506095" _msttexthash="859222" %)
1850 AT+CLASS:  Get or Set the Device Class
1851
1852 (% _msthash="506096" _msttexthash="384852" %)
1853 AT+JOIN:  Join network
1854
1855 (% _msthash="506097" _msttexthash="548626" %)
1856 AT+NJS:  Get the join status
1857
1858 (% _msthash="506098" _msttexthash="2546206" %)
1859 AT+SENDB:  Send hexadecimal data along with the application port
1860
1861 (% _msthash="506099" _msttexthash="1932307" %)
1862 AT+SEND:  Send text data along with the application port
1863
1864 (% _msthash="506100" _msttexthash="3560557" %)
1865 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1866
1867 (% _msthash="506101" _msttexthash="1429701" %)
1868 AT+RECV:  Print last received data in raw format
1869
1870 (% _msthash="506102" _msttexthash="1735981" %)
1871 AT+VER:  Get current image version and Frequency Band
1872
1873 (% _msthash="506103" _msttexthash="1189474" %)
1874 AT+CFM:  Get or Set the confirmation mode (0-1)
1875
1876 (% _msthash="506104" _msttexthash="1718210" %)
1877 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1878
1879 (% _msthash="506105" _msttexthash="1339403" %)
1880 AT+SNR:  Get the SNR of the last received packet
1881
1882 (% _msthash="506106" _msttexthash="1452009" %)
1883 AT+RSSI:  Get the RSSI of the last received packet
1884
1885 (% _msthash="506107" _msttexthash="2768142" %)
1886 AT+TDC:  Get or set the application data transmission interval in ms
1887
1888 (% _msthash="506108" _msttexthash="1083914" %)
1889 AT+PORT:  Get or set the application port
1890
1891 (% _msthash="506109" _msttexthash="622440" %)
1892 AT+DISAT:  Disable AT commands
1893
1894 (% _msthash="506110" _msttexthash="868361" %)
1895 AT+PWORD: Set password, max 9 digits
1896
1897 (% _msthash="506111" _msttexthash="2210299" %)
1898 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1899
1900 (% _msthash="506112" _msttexthash="2113462" %)
1901 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1902
1903 (% _msthash="506113" _msttexthash="2087423" %)
1904 AT+PDTA:  Print the sector data from start page to stop page
1905
1906 (% _msthash="506114" _msttexthash="1063127" %)
1907 AT+PLDTA:  Print the last few sets of data
1908
1909 (% _msthash="506115" _msttexthash="1999426" %)
1910 AT+CLRDTA:  Clear the storage, record position back to 1st
1911
1912 (% _msthash="506116" _msttexthash="442130" %)
1913 AT+SLEEP:  Set sleep mode
1914
1915 (% _msthash="506117" _msttexthash="1080222" %)
1916 AT+EXT:  Get or Set external sensor model
1917
1918 (% _msthash="506118" _msttexthash="1309490" %)
1919 AT+BAT:  Get the current battery voltage in mV
1920
1921 (% _msthash="506119" _msttexthash="813891" %)
1922 AT+CFG:  Print all configurations
1923
1924 (% _msthash="506120" _msttexthash="551707" %)
1925 AT+WMOD:  Get or Set Work Mode
1926
1927 (% _msthash="506121" _msttexthash="2631499" %)
1928 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1929
1930 (% _msthash="506122" _msttexthash="3907150" %)
1931 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1932
1933 (% _msthash="506123" _msttexthash="854620" %)
1934 AT+SETCNT:  Set the count at present
1935
1936 (% _msthash="506124" _msttexthash="2554877" %)
1937 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1938
1939 (% _msthash="506125" _msttexthash="771849" %)
1940 AT+RPL:  Get or set response level
1941
1942 (% _msthash="506126" _msttexthash="1484314" %)
1943 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1944
1945 (% _msthash="506127" _msttexthash="741728" %)
1946 AT+LEAPSEC:  Get or Set Leap Second
1947
1948 (% _msthash="506128" _msttexthash="1694017" %)
1949 AT+SYNCMOD:  Get or Set time synchronization method
1950
1951 (% _msthash="506129" _msttexthash="2235948" %)
1952 AT+SYNCTDC:  Get or set time synchronization interval in day
1953
1954 (% _msthash="506130" _msttexthash="425542" %)
1955 AT+PID:  Get or set the PID
1956
1957
1958 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1959
1960 (% _msthash="506131" _msttexthash="14585714" %)
1961 AT commands：
1962
1963 [[image:image-20220620153708-1.png||height="603" width="723"]]
1964
1965 (% _msthash="506132" _msttexthash="337922" %)
1966 Downlink commands:
1967
1968
1969 (% _msthash="506133" _msttexthash="33046" %)
1970 **TTN:**
1971
1972 [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1973
1974
1975 (% _msthash="506134" _msttexthash="11113791" %)
1976 **Helium：**
1977
1978 [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1979
1980
1981 (% _msthash="506135" _msttexthash="4159844" %)
1982 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1983
1984 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1985
1986 [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1987
1988
1989 (% _msthash="506136" _msttexthash="39286" %)
1990 **Aws:**
1991
1992 [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1993
1994
1995 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1996
1997 [[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"]]
1998
1999
2000 (% _msthash="536757" _msttexthash="1874951" %)
2001 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
2002
2003 [[image:image-20220615153355-1.png]]
2004
2005 [[image:image-20220620154900-5.jpeg||height="427" width="570"]]
2006
2007 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2008
2009 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2010
2011 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2012
2013
2014 To switch from download mode to command mode, press reset key
2015
2016
2017 (((
2018 (% _msthash="736728" _msttexthash="67213055" %)
2019 (((
2020 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.
2021 )))
2022 )))
2023
2024 (((
2025 (% _msthash="736729" _msttexthash="1907009" %)
2026 Input password and ATZ to activate LHT65N,As shown below:
2027
2028 [[image:image-20220615154519-3.png||height="672" width="807"]]
2029
2030
2031 )))
2032
2033 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
2034
2035
2036 [[image:image-20220615153355-1.png]]
2037
2038 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2039
2040 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2041
2042 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2043
2044 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2045
2046 [[image:image-20220620160241-6.jpeg||height="428" width="571"]]
2047
2048 Press reset after connecting the 4boot cable to enter the download mode.
2049
2050 [[image:image-20220620160516-7.png||height="435" width="435"]]
2051
2052
2053 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2054
2055 [[image:image-20220615170542-5.png]]
2056
2057
2058 (% _msthash="506146" _msttexthash="52173160" %)
2059 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2060
2061
2062 (% _msthash="506147" _msttexthash="188083584" %)
2063 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2064
2065 [[image:image-20220615171334-6.png]]
2066
2067
2068 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2069
2070 [[image:image-20220620160723-8.png]]
2071
2072
2073 )))
2074
2075 (% _mstvisible="1" %)
2076 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2077
2078 (% _mstvisible="1" %)
2079 (((
2080 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2081 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2082 )))
2083
2084 (% _mstvisible="1" %)
2085 (((
2086 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2087 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2088 )))
2089
2090 (% _mstvisible="1" %)
2091 * (% _mstvisible="3" %)
2092 (((
2093 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2094 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2095 )))
2096 * (% _mstvisible="3" %)
2097 (((
2098 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2099 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2100 )))
2101 * (% _mstvisible="3" %)
2102 (((
2103 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2104 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2105 )))
2106 * (% _mstvisible="3" %)
2107 (((
2108 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2109 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2110 )))
2111 * (% _mstvisible="3" %)
2112 (((
2113 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2114 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2115 )))
2116 * (% _mstvisible="3" %)
2117 (((
2118 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2119 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2120 )))
2121 * (% _mstvisible="3" %)
2122 (((
2123 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2124 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2125 )))
2126 * (% _mstvisible="3" %)
2127 (((
2128 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2129 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2130 )))
2131
2132 (% _mstvisible="1" %)
2133 (((
2134 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2135 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2136 )))
2137
2138 (% _mstvisible="1" %)
2139 * (% _mstvisible="3" %)
2140 (((
2141 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2142 (% style="color:red" %)**E3**(%%): External Temperature Probe
2143
2144
2145 )))
2146
2147 (% _mstvisible="1" %)
2148 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2149
2150 (% _mstvisible="1" %)
2151 (((
2152 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2153
2154
2155 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2156 (% _mstvisible="3" %)**Package Includes**(%%):
2157 )))
2158
2159 (% _mstvisible="1" %)
2160 * (% _mstvisible="3" %)
2161 (((
2162 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2163 LHT65N Temperature & Humidity Sensor x 1
2164 )))
2165 * (% _mstvisible="3" %)
2166 (((
2167 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2168 Optional external sensor
2169 )))
2170
2171 (% _mstvisible="1" %)
2172 (((
2173 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2174 (% _mstvisible="3" %)**Dimension and weight**(%%):
2175 )))
2176
2177 (% _mstvisible="1" %)
2178 * (% _mstvisible="3" %)
2179 (((
2180 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2181 Device Size:  10 x 10 x 3.5 cm
2182 )))
2183 * (% _mstvisible="3" %)
2184 (((
2185 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2186 Device Weight: 120.5g
2187 )))
2188
2189 (% _mstvisible="3" %)
2190 (((
2191
2192 )))
2193
2194 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2195
2196 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2197
2198
2199
2200
2201 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2202
2203 (% _mstvisible="1" %)
2204 (((
2205 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2206 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2207 )))
2208
2209 (% _mstvisible="1" %)
2210 (((
2211 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2212 (1) This device may not cause harmful interference；
2213 )))
2214
2215 (% _mstvisible="1" %)
2216 (((
2217 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2218 (2) this device must accept any interference received, including interference that may cause undesired operation.
2219 )))