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Version 166.12 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 )))
91
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 )))
153
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(%%) ===
370
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 (% _mstvisible="1" %)
405 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
406
407 (% _mstvisible="1" %)
408 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
409
410 (% _mstvisible="1" %)
411 * Temperature:  0x0ABB/100=27.47℃
412
413 (% _mstvisible="1" %)
414 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
415
416 (% _mstvisible="1" %)
417 * Temperature:  (0xF5C6-65536)/100=-26.18℃
418
419 (% _mstvisible="1" %)
420 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
421
422 (% _mstvisible="1" %)
423 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
424
425 (% _mstvisible="1" %)
426 * Humidity:    0x025C/10=60.4%
427
428
429
430
431 (% _mstvisible="1" %)
432 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
433
434 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
435 Bytes for External Sensor:
436
437 (% _mstvisible="1" %)
438 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
439
440
441 (% _mstvisible="1" %)
442 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
443
444 (% _mstvisible="1" %)
445 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
446
447 (% _mstvisible="1" %)
448 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
449
450
451 (% _mstvisible="1" %)
452 * DS18B20 temp=0x0ADD/100=27.81℃
453
454 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
455 The last 2 bytes of data are meaningless
456
457 (% _mstvisible="1" %)
458 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
459
460
461 (% _mstvisible="1" %)
462 * External temperature= (0xF54F-65536)/100=-27.37℃
463
464 (% _mstvisible="1" %)
465 (((
466 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
467 The last 2 bytes of data are meaningless
468 )))
469
470 (% _mstvisible="1" %)
471 (((
472 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
473 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
474 )))
475
476
477 (% _mstvisible="1" %)
478 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
479
480 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
481 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:
482
483 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
484 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
485 (((
486 (% _mstvisible="6" %)
487 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
488 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
489 (((
490 (% _mstvisible="6" %)
491 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
492 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
493 (((
494 (% _mstvisible="6" %)
495 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
496 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
497 (((
498 (% _mstvisible="6" %)
499 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
500 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
501 (((
502 (% _mstvisible="6" %)
503 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
504 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
505 (((
506 (% _mstvisible="6" %)
507 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
508 )))
509 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
510 (((
511 (% _mstvisible="6" %)
512 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
513 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
514 (((
515 (% _mstvisible="6" %)
516 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
517 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
518 (((
519 (% _mstvisible="6" %)
520 (((
521 (% _mstvisible="7" %)
522 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
523 )))
524
525 (% _mstvisible="6" %)
526 (((
527 (% _mstvisible="7" %)
528 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
529 )))
530 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
531 (((
532 (% _mstvisible="6" %)
533 (((
534 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
535 BAT Status &
536 )))
537
538 (% _mstvisible="6" %)
539 (((
540 (% _mstvisible="7" %)
541 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
542 )))
543 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
544 (((
545 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
546 Status & Ext
547 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
548 (((
549 (% _mstvisible="6" %)
550 (((
551 (% _mstvisible="7" %)
552 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
553 )))
554 )))
555
556 (% _mstvisible="1" %)
557 * (% _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**
558
559 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
560 (% _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]
561 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
562 (((
563 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
564 BAT Status
565
566 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
567 00(b): Ultra Low ( BAT <= 2.50v)
568
569 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
570 01(b): Low  (2.50v <=BAT <= 2.55v)
571
572 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
573 10(b): OK   (2.55v <= BAT <=2.65v)
574
575 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
576 11(b): Good   (BAT >= 2.65v)
577 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
578 (((
579 (% _mstvisible="6" %)
580 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
581
582 (% _mstvisible="6" %)
583
584 )))
585
586 (% _mstvisible="1" %)
587 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
588
589 (% _mstvisible="1" %)
590 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
591
592 (% _mstvisible="1" %)
593 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
594 * 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.
595 * 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)
596
597
598
599
600 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
601
602 In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
603
604 be used to power the external ADC sensor; user can control the power on time for this
605
606 sensor by setting:
607
608 AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
609
610
611
612 (% _mstvisible="1" %)
613 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
614
615 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
616 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:
617
618 (% _mstvisible="1" %)
619 (((
620 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
621 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
622 )))
623
624 (% _mstvisible="1" %)
625 (((
626 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
627 (% _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.
628 )))
629
630 (% _mstvisible="1" %)
631 (((
632 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
633 Add Datacake:
634 )))
635
636 (% _mstvisible="1" %)
637 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
638
639
640 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
641 Select default key as Access Key:
642
643 (% _mstvisible="1" %)
644 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
645
646 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
647 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
648
649 (% _mstvisible="1" %)
650 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
651
652 (% _mstvisible="1" %)
653 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
654
655
656
657 (% _mstvisible="1" %)
658 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
659
660 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
661 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.
662
663
664 (% _mstvisible="1" %)
665 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
666
667 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
668 There are two methods:
669
670 (% _mstvisible="1" %)
671 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
672 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.
673
674
675
676
677 (% _mstvisible="1" %)
678 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
679
680 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
681 LHT65N uses Unix TimeStamp format based on
682
683 (% _mstvisible="1" %)
684 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
685
686
687 (% _mstvisible="1" %)
688 (((
689 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
690 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
691 )))
692
693 (% _mstvisible="1" %)
694 (((
695 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
696 Below is the converter example
697 )))
698
699 (% _mstvisible="1" %)
700 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
701
702 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
703 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
704
705
706 (% _mstvisible="1" %)
707 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
708
709 (% _mstvisible="1" %)
710 (((
711 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
712 There are two ways to set device’s time:
713 )))
714
715 (% _mstvisible="1" %)
716 (((
717 (% _mstvisible="2" %)
718 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
719 )))
720
721 (% _mstvisible="1" %)
722 (((
723 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
724 User need to set SYNCMOD=1 to enable sync time via MAC command.
725 )))
726
727 (% _mstvisible="1" %)
728 (((
729 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
730 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).
731 )))
732
733 (% _mstvisible="1" %)
734 (((
735 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
736 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.
737 )))
738
739 (% _mstvisible="1" %)
740 (((
741 (% _mstvisible="2" %)
742
743 )))
744
745 (% _mstvisible="1" %)
746 (((
747 (% _mstvisible="2" %)
748 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
749 )))
750
751 (% _mstvisible="1" %)
752 (((
753 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
754 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
755
756 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
757
758 )))
759
760 (% _mstvisible="1" %)
761 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
762
763 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
764 User can poll sensor value based on timestamps from the server. Below is the downlink command.
765
766 (% _mstvisible="1" %)
767 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
768
769 (% _mstvisible="1" %)
770 (((
771 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
772 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.
773 )))
774
775 (% _mstvisible="1" %)
776 (((
777 (% _mstvisible="2" %)
778 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
779 )))
780
781 (% _mstvisible="1" %)
782 (((
783 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
784 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
785 )))
786
787 (% _mstvisible="1" %)
788 (((
789 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
790 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
791 )))
792
793
794 (% _mstvisible="1" %)
795 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
796
797 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
798 The Datalog poll reply uplink will use below payload format.
799
800 (% _mstvisible="1" %)
801 (((
802 (% _mstvisible="2" %)
803 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
804 )))
805
806 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
807 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
808 (((
809 (% _mstvisible="6" %)
810 (((
811 (% _mstvisible="7" %)
812 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
813 )))
814 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
815 (((
816 (% _mstvisible="6" %)
817 (((
818 (% _mstvisible="7" %)
819 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
820 )))
821 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
822 (((
823 (% _mstvisible="6" %)
824 (((
825 (% _mstvisible="7" %)
826 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
827 )))
828 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
829 (((
830 (% _mstvisible="6" %)
831 (((
832 (% _mstvisible="7" %)
833 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
834 )))
835 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
836 (((
837 (% _mstvisible="6" %)
838 (((
839 (% _mstvisible="7" %)
840 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
841 )))
842 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
843 (((
844 (% _mstvisible="6" %)
845 (((
846 (% _mstvisible="7" %)
847 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
848 )))
849 )))
850 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
851 (((
852 (% _mstvisible="6" %)
853 (((
854 (% _mstvisible="7" %)
855 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
856 )))
857 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
858 (((
859 (% _mstvisible="6" %)
860 (((
861 (% _mstvisible="7" %)
862 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
863 )))
864 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
865 (((
866 (% _mstvisible="6" %)
867 (((
868 (% _mstvisible="7" %)
869 (((
870 (% _mstvisible="8" %)
871 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
872 )))
873 )))
874
875 (% _mstvisible="6" %)
876 (((
877 (% _mstvisible="7" %)
878 (((
879 (% _mstvisible="8" %)
880 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
881 )))
882 )))
883 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
884 (((
885 (% _mstvisible="6" %)
886 (((
887 (% _mstvisible="7" %)
888 (((
889 (% _mstvisible="8" %)
890 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
891 )))
892 )))
893
894 (% _mstvisible="6" %)
895 (((
896 (% _mstvisible="7" %)
897 (((
898 (% _mstvisible="8" %)
899 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
900 )))
901 )))
902 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
903 (((
904 (% _mstvisible="6" %)
905 (((
906 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
907 Poll message flag & Ext
908 )))
909 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
910 (((
911 (% _mstvisible="6" %)
912 (((
913 (% _mstvisible="7" %)
914 (((
915 (% _mstvisible="8" %)
916 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
917 )))
918 )))
919
920 (% _mstvisible="6" %)
921 (((
922 (% _mstvisible="7" %)
923 (((
924 (% _mstvisible="8" %)
925
926 )))
927 )))
928 )))
929
930 (% _mstvisible="1" %)
931 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
932
933 (% _mstvisible="1" %)
934 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
935
936 (% _mstvisible="1" %)
937 (((
938 (% _mstvisible="2" %)
939 (((
940 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
941 Poll Message Flag: 1: This message is a poll message reply.
942 )))
943 )))
944
945 (% _mstvisible="1" %)
946 * (% _mstvisible="3" %)
947 (((
948 (% _mstvisible="4" %)
949 (((
950 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
951 Poll Message Flag is set to 1.
952 )))
953 )))
954 * (% _mstvisible="3" %)
955 (((
956 (% _mstvisible="4" %)
957 (((
958 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
959 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
960 )))
961 )))
962
963 (% _mstvisible="1" %)
964 (((
965 (% _mstvisible="2" %)
966 (((
967 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
968
969
970 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
971 For example, in US915 band, the max payload for different DR is:
972 )))
973 )))
974
975 (% _mstvisible="1" %)
976 (((
977 (% _mstvisible="2" %)
978 (((
979 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
980 a) DR0: max is 11 bytes so one entry of data
981 )))
982 )))
983
984 (% _mstvisible="1" %)
985 (((
986 (% _mstvisible="2" %)
987 (((
988 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
989 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
990 )))
991 )))
992
993 (% _mstvisible="1" %)
994 (((
995 (% _mstvisible="2" %)
996 (((
997 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
998 c) DR2: total payload includes 11 entries of data
999 )))
1000 )))
1001
1002 (% _mstvisible="1" %)
1003 (((
1004 (% _mstvisible="2" %)
1005 (((
1006 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1007 d) DR3: total payload includes 22 entries of data.
1008 )))
1009 )))
1010
1011 (% _mstvisible="1" %)
1012 (((
1013 (% _mstvisible="2" %)
1014 (((
1015 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1016 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1017 )))
1018 )))
1019
1020
1021 (% _mstvisible="1" style="text-align: left;" %)
1022 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1023
1024 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1025 If LHT65N has below data inside Flash:
1026
1027 (% _mstvisible="1" %)
1028 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1029
1030 (% _mstvisible="1" %)
1031 (((
1032 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1033 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1034 )))
1035
1036 (% _mstvisible="1" %)
1037 (((
1038 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1039 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1040 )))
1041
1042 (% _mstvisible="1" %)
1043 (((
1044 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1045 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1046 )))
1047
1048 (% _mstvisible="1" %)
1049 (((
1050 (% _mstvisible="2" %)
1051
1052 )))
1053
1054 (% _mstvisible="1" %)
1055 (((
1056 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1057 LHT65N will uplink this payload.
1058 )))
1059
1060 (% _mstvisible="1" %)
1061 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1062
1063 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1064 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1065
1066 (% _msthash="315237" _msttexthash="1385839" %)
1067 Where the first 11 bytes is for the first entry:
1068
1069 (% _msthash="315238" _msttexthash="274846" %)
1070 7FFF089801464160065F97
1071
1072 (% _msthash="315239" _msttexthash="617435" %)
1073 Ext sensor data=0x7FFF/100=327.67
1074
1075 (% _msthash="315240" _msttexthash="270543" %)
1076 Temp=0x0898/100=22.00
1077
1078 (% _msthash="315241" _msttexthash="211783" %)
1079 Hum=0x0146/10=32.6
1080
1081 (% _msthash="315242" _msttexthash="1569776" %)
1082 poll message flag & Ext=0x41,means reply data,Ext=1
1083
1084 (% _msthash="315243" _msttexthash="1120509" %)
1085 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1086
1087
1088 (% _mstvisible="1" style="text-align: left;" %)
1089 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1090
1091 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1092 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.
1093
1094 (% _mstvisible="1" %)
1095 (((
1096 (% _mstvisible="2" style="text-align: left;" %)
1097 (% _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.
1098 )))
1099
1100 (% _mstvisible="1" style="text-align: left;" %)
1101 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1102
1103 (% _mstvisible="1" class="box infomessage" %)
1104 (((
1105 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1106 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1107
1108 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1109 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1110
1111 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1112 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1113
1114 (% _mstvisible="2" style="text-align: left;" %)
1115 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1116
1117 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1118 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1119 )))
1120
1121
1122
1123 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1124 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1125
1126 (% _mstvisible="1" %)
1127 (((
1128 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1129 The LHT65 has a triple color LED which for easy showing different stage .
1130
1131 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1132 While user press ACT button, the LED will work as per LED status with ACT button.
1133 )))
1134
1135 (% _mstvisible="1" %)
1136 (((
1137 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1138 In a normal working state:
1139 )))
1140
1141 (% _mstvisible="1" %)
1142 * (% _mstvisible="3" %)
1143 (((
1144 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1145 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1146
1147 (% _msthash="197771" _msttexthash="1202526" %)
1148 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1149 )))
1150 * (% _mstvisible="3" %)
1151 (((
1152 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1153 RED LED when external sensor is not connected
1154 )))
1155 * (% _mstvisible="3" %)
1156 (((
1157 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1158 For each success downlink, the PURPLE LED will blink once
1159
1160
1161
1162 )))
1163
1164 (% _mstvisible="1" style="text-align: left;" %)
1165 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1166
1167 (% _mstvisible="1" %)
1168 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1169
1170
1171 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1172 = (% _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(%%) =
1173
1174 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1175 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1176
1177 [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1178
1179 1m long breakout cable for LHT65N
1180
1181 [[image:image-20220619092421-3.png||height="371" width="529"]]
1182
1183
1184
1185 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1186 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1187
1188 (% _mstvisible="1" %)
1189 [[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"]]
1190
1191
1192 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1193 Temperature sensor with 2 meters cable long
1194
1195 (% _mstvisible="1" %)
1196 * Resolution: 0.0625 °C
1197 * ±0.5°C accuracy from -10°C to +85°C
1198 * ±2°C accuracy from -55°C to +125°C
1199 * Operating Range: -40 ~~ 125 °C
1200 * -55°C to 125°C
1201 * Working voltage 2.35v ~~ 5v
1202
1203
1204
1205
1206 (% _mstvisible="1" style="text-align: left;" %)
1207 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1208
1209 (% _mstvisible="1" %)
1210 (((
1211 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1212 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1213 )))
1214
1215 (% _mstvisible="1" %)
1216 * (% _mstvisible="3" %)
1217 (((
1218 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1219 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1220 )))
1221 * (% _mstvisible="3" %)
1222 (((
1223 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1224 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1225 )))
1226
1227 (% _mstvisible="1" %)
1228 (((
1229 (% _mstvisible="2" style="text-align: left;" %)
1230
1231 )))
1232
1233 (% _mstvisible="1" %)
1234 (((
1235 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1236 There are two kinds of commands to configure LHT65N, they are:
1237 )))
1238
1239 (% _mstvisible="1" %)
1240 (((
1241 (% _mstvisible="2" style="text-align: left;" %)
1242 (% _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" %).
1243 )))
1244
1245 (% _mstvisible="1" %)
1246 (((
1247 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1248 These commands are to configure:
1249 )))
1250
1251 (% _mstvisible="1" %)
1252 * (% _mstvisible="3" %)
1253 (((
1254 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1255 General system settings like: uplink interval.
1256 )))
1257 * (% _mstvisible="3" %)
1258 (((
1259 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1260 LoRaWAN protocol & radio-related commands.
1261 )))
1262
1263 (% _mstvisible="1" %)
1264 (((
1265 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1266 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]]
1267 )))
1268
1269 (% _mstvisible="1" %)
1270 (((
1271 (% _mstvisible="2" style="text-align: left;" %)
1272
1273 )))
1274
1275 (% _mstvisible="1" %)
1276 (((
1277 (% _mstvisible="2" style="text-align: left;" %)
1278 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1279 )))
1280
1281 (% _mstvisible="1" %)
1282 (((
1283 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1284 These commands are only valid for LHT65N, as below:
1285
1286
1287 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1288
1289 )))
1290
1291 (% _mstvisible="1" style="text-align: left;" %)
1292 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1293
1294 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1295 Feature: Change LoRaWAN End Node Transmit Interval.
1296
1297 (% _mstvisible="1" style="text-align: left;" %)
1298 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1299
1300 (% _mstvisible="1" %)
1301 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1302
1303 (% _mstvisible="1" %)
1304 (((
1305 (% _mstvisible="2" style="text-align: left;" %)
1306
1307
1308 (% _mstvisible="2" style="text-align: left;" %)
1309 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1310 )))
1311
1312 (% _mstvisible="1" %)
1313 (((
1314 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1315 Format: Command Code (0x01) followed by 3 bytes time value.
1316 )))
1317
1318 (% _mstvisible="1" %)
1319 (((
1320 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1321 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1322 )))
1323
1324 (% _mstvisible="1" %)
1325 * (% _mstvisible="3" %)
1326 (((
1327 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1328 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1329 )))
1330 * (% _mstvisible="3" %)
1331 (((
1332 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1333 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1334
1335
1336 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1337
1338 )))
1339
1340 (% _mstvisible="1" style="text-align: left;" %)
1341 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1342
1343 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1344 Feature: Change External Sensor Mode.
1345
1346 (% _mstvisible="1" style="text-align: left;" %)
1347 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1348
1349 (% _mstvisible="1" %)
1350 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1351
1352 (% _mstvisible="1" %)
1353 (((
1354 (% _mstvisible="2" style="text-align: left;" %)
1355
1356
1357 (% _mstvisible="2" style="text-align: left;" %)
1358 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1359 )))
1360
1361 (% _mstvisible="1" %)
1362 (((
1363 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1364 Total bytes: 2 ~~ 5 bytes
1365 )))
1366
1367 (% _mstvisible="1" %)
1368 (((
1369 (% _mstvisible="2" %)
1370 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1371 )))
1372
1373 (% _mstvisible="1" %)
1374 * (% _mstvisible="3" %)
1375 (((
1376 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1377 0xA201: Set external sensor type to E1
1378 )))
1379 * (% _mstvisible="3" %)
1380 (((
1381 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1382 0xA209: Same as AT+EXT=9
1383 )))
1384 * (% _mstvisible="3" %)
1385 (((
1386 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1387 0xA20702003c,Same as AT+SETCNT=60
1388
1389
1390 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1391
1392 )))
1393
1394 (% _mstvisible="1" style="text-align: left;" %)
1395 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1396
1397 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1398 Feature: If PID is enabled, device will send the temperature probe ID on:
1399
1400 (% _mstvisible="1" %)
1401 * First Packet after OTAA Join
1402 * Every 24 hours since the first packet.
1403
1404 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1405 PID is default set to disable (0)
1406
1407 (% _mstvisible="1" style="text-align: left;" %)
1408 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1409
1410 (% _mstvisible="1" %)
1411 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1412
1413
1414 (% _mstvisible="1" style="text-align: left;" %)
1415 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1416
1417 (% _mstvisible="1" %)
1418 * 0xA800  **~-~->** AT+PID=0
1419 * 0xA801     **~-~->** AT+PID=1
1420
1421
1422
1423
1424 (% _mstvisible="1" style="text-align: left;" %)
1425 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1426
1427 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1428 Feature: Set device password, max 9 digits
1429
1430 (% _mstvisible="1" style="text-align: left;" %)
1431 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1432
1433 (% _mstvisible="1" %)
1434 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1435
1436 (% _mstvisible="1" %)
1437 (((
1438 (% _mstvisible="2" style="text-align: left;" %)
1439
1440
1441 (% _mstvisible="2" style="text-align: left;" %)
1442 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1443 )))
1444
1445 (% _mstvisible="1" %)
1446 (((
1447 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1448 No downlink command for this feature.
1449
1450 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1451
1452 )))
1453
1454 (% _mstvisible="1" style="text-align: left;" %)
1455 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1456
1457 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1458 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1459
1460 (% _mstvisible="1" style="text-align: left;" %)
1461 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1462
1463 (% _mstvisible="1" %)
1464 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1465
1466
1467 (% _mstvisible="1" style="text-align: left;" %)
1468 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1469
1470 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1471 No downlink command for this feature.
1472
1473
1474 (% _mstvisible="1" style="text-align: left;" %)
1475 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1476
1477 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1478 Feature: Set device to sleep mode
1479
1480 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1481 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1482
1483 (% _mstvisible="1" style="text-align: left;" %)
1484 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1485
1486 (% _mstvisible="1" %)
1487 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1488
1489
1490 (% _mstvisible="1" %)
1491 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1492
1493 (% _mstvisible="1" %)
1494 * There is no downlink command to set to Sleep mode.
1495
1496
1497
1498
1499 (% _mstvisible="1" %)
1500 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1501
1502 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1503 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1504
1505 (% _mstvisible="1" %)
1506 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1507
1508 (% _mstvisible="1" %)
1509 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1510
1511
1512 (% _mstvisible="1" %)
1513 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1514
1515 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1516 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1517
1518
1519 (% _mstvisible="1" %)
1520 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1521
1522 (% _mstvisible="1" %)
1523 (((
1524 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1525 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1526 )))
1527
1528 (% _mstvisible="1" %)
1529 (((
1530 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1531 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.
1532 )))
1533
1534 (% _mstvisible="1" %)
1535 (((
1536 (% _mstvisible="2" %)
1537 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1538 )))
1539
1540 (% _mstvisible="1" %)
1541 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1542
1543
1544 (% _mstvisible="1" %)
1545 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1546
1547 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1548 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1549
1550 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1551 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1552
1553
1554 (% _mstvisible="1" %)
1555 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1556
1557 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1558 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1559
1560 (% _mstvisible="1" %)
1561 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1562
1563 (% _mstvisible="1" %)
1564 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1565
1566
1567 (% _mstvisible="1" %)
1568 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1569
1570 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1571 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1572
1573
1574 (% _mstvisible="1" %)
1575 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1576
1577 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1578 Feature: Print the sector data from start page to stop page (max is 416 pages).
1579
1580 (% _mstvisible="1" %)
1581 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1582
1583 (% _mstvisible="1" %)
1584 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1585
1586
1587 (% _mstvisible="1" %)
1588 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1589
1590 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1591 No downlink commands for feature
1592
1593
1594 (% _mstvisible="1" %)
1595 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1596
1597 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1598 Feature: Print the last few data entries
1599
1600 (% _mstvisible="1" %)
1601 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1602
1603 (% _mstvisible="1" %)
1604 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1605
1606
1607 (% _mstvisible="1" %)
1608 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1609
1610 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1611 No downlink commands for feature
1612
1613
1614 (% _mstvisible="1" %)
1615 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1616
1617 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1618 Feature: Clear flash storage for data log feature.
1619
1620 (% _mstvisible="1" %)
1621 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1622
1623 (% _mstvisible="1" %)
1624 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1625
1626
1627 (% _mstvisible="1" %)
1628 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1629
1630 (% _mstvisible="1" %)
1631 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1632
1633
1634
1635
1636 (% _mstvisible="1" %)
1637 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1638
1639 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1640 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.
1641
1642
1643 (% _mstvisible="1" %)
1644 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1645
1646 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1647 The default factory setting is 0
1648
1649 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1650 (% _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**
1651 (% _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
1652
1653 (% _mstvisible="1" %)
1654 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1655
1656 (% _mstvisible="1" %)
1657 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1658
1659
1660
1661
1662 (% _mstvisible="1" %)
1663 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1664
1665 (% _mstvisible="1" %)
1666 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1667
1668 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1669 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.
1670
1671 (% _mstvisible="1" %)
1672 (((
1673 (% _mstvisible="2" %)
1674 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1675 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1676 )))
1677
1678 (% _mstvisible="1" %)
1679 (((
1680 (% _mstvisible="2" %)
1681 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1682
1683 )))
1684
1685 (% _mstvisible="1" %)
1686 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1687
1688 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1689 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.
1690
1691 (% _mstvisible="1" %)
1692 [[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"]]
1693
1694
1695 (% _mstvisible="1" %)
1696 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1697
1698 (% _mstvisible="1" %)
1699 (((
1700 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1701 (((
1702 (% _msthash="736723" _msttexthash="35479028" %)
1703 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:
1704 [[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]]
1705 )))
1706
1707 (((
1708
1709 )))
1710
1711 (((
1712 (% _msthash="736724" _msttexthash="12045098" %)
1713 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]]
1714 )))
1715
1716
1717 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1718 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1719
1720 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1721 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1722
1723 (((
1724 (% _msthash="736725" _msttexthash="9345674" %)
1725 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.
1726 )))
1727
1728 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1729
1730
1731 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1732
1733 (% _msthash="506062" _msttexthash="1187732" %)
1734 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1735
1736 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1737
1738 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1739
1740 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1741
1742
1743 (((
1744 (% _msthash="736726" _msttexthash="67213055" %)
1745 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.
1746 )))
1747
1748 (((
1749 (% _msthash="736727" _msttexthash="1907009" %)
1750 Input password and ATZ to activate LHT65N,As shown below:
1751 )))
1752
1753 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1754
1755
1756 (% _msthash="506066" _msttexthash="544869" %)
1757 AT Command List is as below:
1758
1759 (% _msthash="506067" _msttexthash="361920" %)
1760 AT+<CMD>? :  Help on <CMD>
1761
1762 (% _msthash="506068" _msttexthash="243061" %)
1763 AT+<CMD> :  Run <CMD>
1764
1765 (% _msthash="506069" _msttexthash="704197" %)
1766 AT+<CMD>=<value> :  Set the value
1767
1768 (% _msthash="506070" _msttexthash="455676" %)
1769 AT+<CMD>=? :  Get the value
1770
1771 (% _msthash="506071" _msttexthash="670553" %)
1772 AT+DEBUG:  Set more info output
1773
1774 (% _msthash="506072" _msttexthash="485888" %)
1775 ATZ:  Trig a reset of the MCU
1776
1777 (% _msthash="506073" _msttexthash="2068872" %)
1778 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1779
1780 (% _msthash="506074" _msttexthash="689169" %)
1781 AT+DEUI:  Get or Set the Device EUI
1782
1783 (% _msthash="506075" _msttexthash="960414" %)
1784 AT+DADDR:  Get or Set the Device Address
1785
1786 (% _msthash="506076" _msttexthash="1079897" %)
1787 AT+APPKEY:  Get or Set the Application Key
1788
1789 (% _msthash="506077" _msttexthash="1326143" %)
1790 AT+NWKSKEY:  Get or Set the Network Session Key
1791
1792 (% _msthash="506078" _msttexthash="1573000" %)
1793 AT+APPSKEY:  Get or Set the Application Session Key
1794
1795 (% _msthash="506079" _msttexthash="1041729" %)
1796 AT+APPEUI:  Get or Set the Application EUI
1797
1798 (% _msthash="506080" _msttexthash="2104206" %)
1799 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1800
1801 (% _msthash="506081" _msttexthash="3369288" %)
1802 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1803
1804 (% _msthash="506082" _msttexthash="1894529" %)
1805 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1806
1807 (% _msthash="506083" _msttexthash="3864172" %)
1808 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1809
1810 (% _msthash="506084" _msttexthash="1712204" %)
1811 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1812
1813 (% _msthash="506085" _msttexthash="1281202" %)
1814 AT+RX2FQ:  Get or Set the Rx2 window frequency
1815
1816 (% _msthash="506086" _msttexthash="2796781" %)
1817 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1818
1819 (% _msthash="506087" _msttexthash="3285165" %)
1820 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1821
1822 (% _msthash="506088" _msttexthash="3286179" %)
1823 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1824
1825 (% _msthash="506089" _msttexthash="4703803" %)
1826 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1827
1828 (% _msthash="506090" _msttexthash="4704999" %)
1829 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1830
1831 (% _msthash="506091" _msttexthash="1528683" %)
1832 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1833
1834 (% _msthash="506092" _msttexthash="757185" %)
1835 AT+NWKID:  Get or Set the Network ID
1836
1837 (% _msthash="506093" _msttexthash="1156597" %)
1838 AT+FCU:  Get or Set the Frame Counter Uplink
1839
1840 (% _msthash="506094" _msttexthash="1273987" %)
1841 AT+FCD:  Get or Set the Frame Counter Downlink
1842
1843 (% _msthash="506095" _msttexthash="859222" %)
1844 AT+CLASS:  Get or Set the Device Class
1845
1846 (% _msthash="506096" _msttexthash="384852" %)
1847 AT+JOIN:  Join network
1848
1849 (% _msthash="506097" _msttexthash="548626" %)
1850 AT+NJS:  Get the join status
1851
1852 (% _msthash="506098" _msttexthash="2546206" %)
1853 AT+SENDB:  Send hexadecimal data along with the application port
1854
1855 (% _msthash="506099" _msttexthash="1932307" %)
1856 AT+SEND:  Send text data along with the application port
1857
1858 (% _msthash="506100" _msttexthash="3560557" %)
1859 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1860
1861 (% _msthash="506101" _msttexthash="1429701" %)
1862 AT+RECV:  Print last received data in raw format
1863
1864 (% _msthash="506102" _msttexthash="1735981" %)
1865 AT+VER:  Get current image version and Frequency Band
1866
1867 (% _msthash="506103" _msttexthash="1189474" %)
1868 AT+CFM:  Get or Set the confirmation mode (0-1)
1869
1870 (% _msthash="506104" _msttexthash="1718210" %)
1871 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1872
1873 (% _msthash="506105" _msttexthash="1339403" %)
1874 AT+SNR:  Get the SNR of the last received packet
1875
1876 (% _msthash="506106" _msttexthash="1452009" %)
1877 AT+RSSI:  Get the RSSI of the last received packet
1878
1879 (% _msthash="506107" _msttexthash="2768142" %)
1880 AT+TDC:  Get or set the application data transmission interval in ms
1881
1882 (% _msthash="506108" _msttexthash="1083914" %)
1883 AT+PORT:  Get or set the application port
1884
1885 (% _msthash="506109" _msttexthash="622440" %)
1886 AT+DISAT:  Disable AT commands
1887
1888 (% _msthash="506110" _msttexthash="868361" %)
1889 AT+PWORD: Set password, max 9 digits
1890
1891 (% _msthash="506111" _msttexthash="2210299" %)
1892 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1893
1894 (% _msthash="506112" _msttexthash="2113462" %)
1895 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1896
1897 (% _msthash="506113" _msttexthash="2087423" %)
1898 AT+PDTA:  Print the sector data from start page to stop page
1899
1900 (% _msthash="506114" _msttexthash="1063127" %)
1901 AT+PLDTA:  Print the last few sets of data
1902
1903 (% _msthash="506115" _msttexthash="1999426" %)
1904 AT+CLRDTA:  Clear the storage, record position back to 1st
1905
1906 (% _msthash="506116" _msttexthash="442130" %)
1907 AT+SLEEP:  Set sleep mode
1908
1909 (% _msthash="506117" _msttexthash="1080222" %)
1910 AT+EXT:  Get or Set external sensor model
1911
1912 (% _msthash="506118" _msttexthash="1309490" %)
1913 AT+BAT:  Get the current battery voltage in mV
1914
1915 (% _msthash="506119" _msttexthash="813891" %)
1916 AT+CFG:  Print all configurations
1917
1918 (% _msthash="506120" _msttexthash="551707" %)
1919 AT+WMOD:  Get or Set Work Mode
1920
1921 (% _msthash="506121" _msttexthash="2631499" %)
1922 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1923
1924 (% _msthash="506122" _msttexthash="3907150" %)
1925 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1926
1927 (% _msthash="506123" _msttexthash="854620" %)
1928 AT+SETCNT:  Set the count at present
1929
1930 (% _msthash="506124" _msttexthash="2554877" %)
1931 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1932
1933 (% _msthash="506125" _msttexthash="771849" %)
1934 AT+RPL:  Get or set response level
1935
1936 (% _msthash="506126" _msttexthash="1484314" %)
1937 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1938
1939 (% _msthash="506127" _msttexthash="741728" %)
1940 AT+LEAPSEC:  Get or Set Leap Second
1941
1942 (% _msthash="506128" _msttexthash="1694017" %)
1943 AT+SYNCMOD:  Get or Set time synchronization method
1944
1945 (% _msthash="506129" _msttexthash="2235948" %)
1946 AT+SYNCTDC:  Get or set time synchronization interval in day
1947
1948 (% _msthash="506130" _msttexthash="425542" %)
1949 AT+PID:  Get or set the PID
1950
1951
1952 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1953
1954 (% _msthash="506131" _msttexthash="14585714" %)
1955 AT commands：
1956
1957 [[image:image-20220620153708-1.png||height="603" width="723"]]
1958
1959 (% _msthash="506132" _msttexthash="337922" %)
1960 Downlink commands:
1961
1962
1963 (% _msthash="506133" _msttexthash="33046" %)
1964 **TTN:**
1965
1966 [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1967
1968
1969 (% _msthash="506134" _msttexthash="11113791" %)
1970 **Helium：**
1971
1972 [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1973
1974
1975 (% _msthash="506135" _msttexthash="4159844" %)
1976 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1977
1978 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1979
1980 [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1981
1982
1983 (% _msthash="506136" _msttexthash="39286" %)
1984 **Aws:**
1985
1986 [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1987
1988
1989 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1990
1991 [[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"]]
1992
1993
1994 (% _msthash="536757" _msttexthash="1874951" %)
1995 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1996
1997 [[image:image-20220615153355-1.png]]
1998
1999 [[image:image-20220620154900-5.jpeg||height="427" width="570"]]
2000
2001 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2002
2003 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2004
2005 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2006
2007
2008 To switch from download mode to command mode, press reset key
2009
2010
2011 (((
2012 (% _msthash="736728" _msttexthash="67213055" %)
2013 (((
2014 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.
2015 )))
2016 )))
2017
2018 (((
2019 (% _msthash="736729" _msttexthash="1907009" %)
2020 Input password and ATZ to activate LHT65N,As shown below:
2021
2022 [[image:image-20220615154519-3.png||height="672" width="807"]]
2023
2024
2025 )))
2026
2027 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
2028
2029
2030 [[image:image-20220615153355-1.png]]
2031
2032 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2033
2034 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2035
2036 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2037
2038 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2039
2040 [[image:image-20220620160241-6.jpeg||height="428" width="571"]]
2041
2042 Press reset after connecting the 4boot cable to enter the download mode.
2043
2044 [[image:image-20220620160516-7.png||height="435" width="435"]]
2045
2046
2047 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2048
2049 [[image:image-20220615170542-5.png]]
2050
2051
2052 (% _msthash="506146" _msttexthash="52173160" %)
2053 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2054
2055
2056 (% _msthash="506147" _msttexthash="188083584" %)
2057 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2058
2059 [[image:image-20220615171334-6.png]]
2060
2061
2062 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2063
2064 [[image:image-20220620160723-8.png]]
2065
2066
2067 )))
2068
2069 (% _mstvisible="1" %)
2070 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2071
2072 (% _mstvisible="1" %)
2073 (((
2074 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2075 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2076 )))
2077
2078 (% _mstvisible="1" %)
2079 (((
2080 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2081 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2082 )))
2083
2084 (% _mstvisible="1" %)
2085 * (% _mstvisible="3" %)
2086 (((
2087 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2088 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2089 )))
2090 * (% _mstvisible="3" %)
2091 (((
2092 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2093 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2094 )))
2095 * (% _mstvisible="3" %)
2096 (((
2097 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2098 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2099 )))
2100 * (% _mstvisible="3" %)
2101 (((
2102 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2103 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2104 )))
2105 * (% _mstvisible="3" %)
2106 (((
2107 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2108 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2109 )))
2110 * (% _mstvisible="3" %)
2111 (((
2112 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2113 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2114 )))
2115 * (% _mstvisible="3" %)
2116 (((
2117 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2118 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2119 )))
2120 * (% _mstvisible="3" %)
2121 (((
2122 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2123 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2124 )))
2125
2126 (% _mstvisible="1" %)
2127 (((
2128 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2129 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2130 )))
2131
2132 (% _mstvisible="1" %)
2133 * (% _mstvisible="3" %)
2134 (((
2135 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2136 (% style="color:red" %)**E3**(%%): External Temperature Probe
2137
2138
2139 )))
2140
2141 (% _mstvisible="1" %)
2142 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2143
2144 (% _mstvisible="1" %)
2145 (((
2146 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2147
2148
2149 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2150 (% _mstvisible="3" %)**Package Includes**(%%):
2151 )))
2152
2153 (% _mstvisible="1" %)
2154 * (% _mstvisible="3" %)
2155 (((
2156 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2157 LHT65N Temperature & Humidity Sensor x 1
2158 )))
2159 * (% _mstvisible="3" %)
2160 (((
2161 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2162 Optional external sensor
2163 )))
2164
2165 (% _mstvisible="1" %)
2166 (((
2167 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2168 (% _mstvisible="3" %)**Dimension and weight**(%%):
2169 )))
2170
2171 (% _mstvisible="1" %)
2172 * (% _mstvisible="3" %)
2173 (((
2174 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2175 Device Size:  10 x 10 x 3.5 cm
2176 )))
2177 * (% _mstvisible="3" %)
2178 (((
2179 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2180 Device Weight: 120.5g
2181 )))
2182
2183 (% _mstvisible="3" %)
2184 (((
2185
2186 )))
2187
2188 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2189
2190 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2191
2192
2193
2194
2195 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2196
2197 (% _mstvisible="1" %)
2198 (((
2199 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2200 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2201 )))
2202
2203 (% _mstvisible="1" %)
2204 (((
2205 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2206 (1) This device may not cause harmful interference；
2207 )))
2208
2209 (% _mstvisible="1" %)
2210 (((
2211 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2212 (2) this device must accept any interference received, including interference that may cause undesired operation.
2213 )))