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Version 166.14 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 )))
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.
229
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
420
421
422 (% _mstvisible="1" %)
423 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
424
425 (% _mstvisible="1" %)
426 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
427
428 (% _mstvisible="1" %)
429 * Humidity:    0x025C/10=60.4%
430
431
432
433
434 (% _mstvisible="1" %)
435 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
436
437 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
438 Bytes for External Sensor:
439
440 (% _mstvisible="1" %)
441 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
442
443
444 (% _mstvisible="1" %)
445 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
446
447 (% _mstvisible="1" %)
448 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
449
450 (% _mstvisible="1" %)
451 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
452
453
454 (% _mstvisible="1" %)
455 * DS18B20 temp=0x0ADD/100=27.81℃
456
457 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
458 The last 2 bytes of data are meaningless
459
460 (% _mstvisible="1" %)
461 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
462
463
464 (% _mstvisible="1" %)
465 * External temperature= (0xF54F-65536)/100=-27.37℃
466
467 (% _mstvisible="1" %)
468 (((
469 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
470 The last 2 bytes of data are meaningless
471 )))
472
473 (% _mstvisible="1" %)
474 (((
475 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
476 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
477 )))
478
479
480 (% _mstvisible="1" %)
481 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
482
483 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
484 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:
485
486 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
487 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
488 (((
489 (% _mstvisible="6" %)
490 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
491 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
492 (((
493 (% _mstvisible="6" %)
494 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
495 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
496 (((
497 (% _mstvisible="6" %)
498 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
499 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
500 (((
501 (% _mstvisible="6" %)
502 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
503 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
504 (((
505 (% _mstvisible="6" %)
506 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
507 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
508 (((
509 (% _mstvisible="6" %)
510 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
511 )))
512 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
513 (((
514 (% _mstvisible="6" %)
515 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
516 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
517 (((
518 (% _mstvisible="6" %)
519 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
520 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
521 (((
522 (% _mstvisible="6" %)
523 (((
524 (% _mstvisible="7" %)
525 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
526 )))
527
528 (% _mstvisible="6" %)
529 (((
530 (% _mstvisible="7" %)
531 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
532 )))
533 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
534 (((
535 (% _mstvisible="6" %)
536 (((
537 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
538 BAT Status &
539 )))
540
541 (% _mstvisible="6" %)
542 (((
543 (% _mstvisible="7" %)
544 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
545 )))
546 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
547 (((
548 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
549 Status & Ext
550 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
551 (((
552 (% _mstvisible="6" %)
553 (((
554 (% _mstvisible="7" %)
555 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
556 )))
557 )))
558
559 (% _mstvisible="1" %)
560 * (% _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**
561
562 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
563 (% _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]
564 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
565 (((
566 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
567 BAT Status
568
569 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
570 00(b): Ultra Low ( BAT <= 2.50v)
571
572 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
573 01(b): Low  (2.50v <=BAT <= 2.55v)
574
575 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
576 10(b): OK   (2.55v <= BAT <=2.65v)
577
578 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
579 11(b): Good   (BAT >= 2.65v)
580 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
581 (((
582 (% _mstvisible="6" %)
583 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
584
585 (% _mstvisible="6" %)
586
587 )))
588
589 (% _mstvisible="1" %)
590 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
591
592 (% _mstvisible="1" %)
593 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
594
595 (% _mstvisible="1" %)
596 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
597 * 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.
598 * 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)
599
600
601
602
603 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
604
605 In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
606
607 be used to power the external ADC sensor; user can control the power on time for this
608
609 sensor by setting:
610
611 AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
612
613
614
615 (% _mstvisible="1" %)
616 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
617
618 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
619 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:
620
621 (% _mstvisible="1" %)
622 (((
623 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
624 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
625 )))
626
627 (% _mstvisible="1" %)
628 (((
629 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
630 (% _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.
631 )))
632
633 (% _mstvisible="1" %)
634 (((
635 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
636 Add Datacake:
637 )))
638
639 (% _mstvisible="1" %)
640 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
641
642
643 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
644 Select default key as Access Key:
645
646 (% _mstvisible="1" %)
647 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
648
649 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
650 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
651
652 (% _mstvisible="1" %)
653 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
654
655 (% _mstvisible="1" %)
656 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
657
658
659
660 (% _mstvisible="1" %)
661 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
662
663 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
664 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.
665
666
667 (% _mstvisible="1" %)
668 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
669
670 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
671 There are two methods:
672
673 (% _mstvisible="1" %)
674 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
675 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.
676
677
678
679
680 (% _mstvisible="1" %)
681 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
682
683 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
684 LHT65N uses Unix TimeStamp format based on
685
686 (% _mstvisible="1" %)
687 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
688
689
690 (% _mstvisible="1" %)
691 (((
692 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
693 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
694 )))
695
696 (% _mstvisible="1" %)
697 (((
698 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
699 Below is the converter example
700 )))
701
702 (% _mstvisible="1" %)
703 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
704
705 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
706 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
707
708
709 (% _mstvisible="1" %)
710 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
711
712 (% _mstvisible="1" %)
713 (((
714 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
715 There are two ways to set device’s time:
716 )))
717
718 (% _mstvisible="1" %)
719 (((
720 (% _mstvisible="2" %)
721 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
722 )))
723
724 (% _mstvisible="1" %)
725 (((
726 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
727 User need to set SYNCMOD=1 to enable sync time via MAC command.
728 )))
729
730 (% _mstvisible="1" %)
731 (((
732 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
733 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).
734 )))
735
736 (% _mstvisible="1" %)
737 (((
738 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
739 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.
740 )))
741
742 (% _mstvisible="1" %)
743 (((
744 (% _mstvisible="2" %)
745
746 )))
747
748 (% _mstvisible="1" %)
749 (((
750 (% _mstvisible="2" %)
751 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
752 )))
753
754 (% _mstvisible="1" %)
755 (((
756 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
757 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
758
759 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
760
761 )))
762
763 (% _mstvisible="1" %)
764 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
765
766 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
767 User can poll sensor value based on timestamps from the server. Below is the downlink command.
768
769 (% _mstvisible="1" %)
770 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
771
772 (% _mstvisible="1" %)
773 (((
774 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
775 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.
776 )))
777
778 (% _mstvisible="1" %)
779 (((
780 (% _mstvisible="2" %)
781 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
782 )))
783
784 (% _mstvisible="1" %)
785 (((
786 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
787 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
788 )))
789
790 (% _mstvisible="1" %)
791 (((
792 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
793 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
794 )))
795
796
797 (% _mstvisible="1" %)
798 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
799
800 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
801 The Datalog poll reply uplink will use below payload format.
802
803 (% _mstvisible="1" %)
804 (((
805 (% _mstvisible="2" %)
806 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
807 )))
808
809 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
810 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
811 (((
812 (% _mstvisible="6" %)
813 (((
814 (% _mstvisible="7" %)
815 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
816 )))
817 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
818 (((
819 (% _mstvisible="6" %)
820 (((
821 (% _mstvisible="7" %)
822 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
823 )))
824 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
825 (((
826 (% _mstvisible="6" %)
827 (((
828 (% _mstvisible="7" %)
829 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
830 )))
831 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
832 (((
833 (% _mstvisible="6" %)
834 (((
835 (% _mstvisible="7" %)
836 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
837 )))
838 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
839 (((
840 (% _mstvisible="6" %)
841 (((
842 (% _mstvisible="7" %)
843 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
844 )))
845 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
846 (((
847 (% _mstvisible="6" %)
848 (((
849 (% _mstvisible="7" %)
850 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
851 )))
852 )))
853 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
854 (((
855 (% _mstvisible="6" %)
856 (((
857 (% _mstvisible="7" %)
858 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
859 )))
860 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
861 (((
862 (% _mstvisible="6" %)
863 (((
864 (% _mstvisible="7" %)
865 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
866 )))
867 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
868 (((
869 (% _mstvisible="6" %)
870 (((
871 (% _mstvisible="7" %)
872 (((
873 (% _mstvisible="8" %)
874 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
875 )))
876 )))
877
878 (% _mstvisible="6" %)
879 (((
880 (% _mstvisible="7" %)
881 (((
882 (% _mstvisible="8" %)
883 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
884 )))
885 )))
886 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
887 (((
888 (% _mstvisible="6" %)
889 (((
890 (% _mstvisible="7" %)
891 (((
892 (% _mstvisible="8" %)
893 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
894 )))
895 )))
896
897 (% _mstvisible="6" %)
898 (((
899 (% _mstvisible="7" %)
900 (((
901 (% _mstvisible="8" %)
902 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
903 )))
904 )))
905 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
906 (((
907 (% _mstvisible="6" %)
908 (((
909 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
910 Poll message flag & Ext
911 )))
912 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
913 (((
914 (% _mstvisible="6" %)
915 (((
916 (% _mstvisible="7" %)
917 (((
918 (% _mstvisible="8" %)
919 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
920 )))
921 )))
922
923 (% _mstvisible="6" %)
924 (((
925 (% _mstvisible="7" %)
926 (((
927 (% _mstvisible="8" %)
928
929 )))
930 )))
931 )))
932
933 (% _mstvisible="1" %)
934 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
935
936 (% _mstvisible="1" %)
937 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
938
939 (% _mstvisible="1" %)
940 (((
941 (% _mstvisible="2" %)
942 (((
943 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
944 Poll Message Flag: 1: This message is a poll message reply.
945 )))
946 )))
947
948 (% _mstvisible="1" %)
949 * (% _mstvisible="3" %)
950 (((
951 (% _mstvisible="4" %)
952 (((
953 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
954 Poll Message Flag is set to 1.
955 )))
956 )))
957 * (% _mstvisible="3" %)
958 (((
959 (% _mstvisible="4" %)
960 (((
961 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
962 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
963 )))
964 )))
965
966 (% _mstvisible="1" %)
967 (((
968 (% _mstvisible="2" %)
969 (((
970 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
971
972
973 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
974 For example, in US915 band, the max payload for different DR is:
975 )))
976 )))
977
978 (% _mstvisible="1" %)
979 (((
980 (% _mstvisible="2" %)
981 (((
982 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
983 a) DR0: max is 11 bytes so one entry of data
984 )))
985 )))
986
987 (% _mstvisible="1" %)
988 (((
989 (% _mstvisible="2" %)
990 (((
991 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
992 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
993 )))
994 )))
995
996 (% _mstvisible="1" %)
997 (((
998 (% _mstvisible="2" %)
999 (((
1000 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
1001 c) DR2: total payload includes 11 entries of data
1002 )))
1003 )))
1004
1005 (% _mstvisible="1" %)
1006 (((
1007 (% _mstvisible="2" %)
1008 (((
1009 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1010 d) DR3: total payload includes 22 entries of data.
1011 )))
1012 )))
1013
1014 (% _mstvisible="1" %)
1015 (((
1016 (% _mstvisible="2" %)
1017 (((
1018 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1019 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1020 )))
1021 )))
1022
1023
1024 (% _mstvisible="1" style="text-align: left;" %)
1025 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1026
1027 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1028 If LHT65N has below data inside Flash:
1029
1030 (% _mstvisible="1" %)
1031 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1032
1033 (% _mstvisible="1" %)
1034 (((
1035 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1036 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1037 )))
1038
1039 (% _mstvisible="1" %)
1040 (((
1041 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1042 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1043 )))
1044
1045 (% _mstvisible="1" %)
1046 (((
1047 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1048 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1049 )))
1050
1051 (% _mstvisible="1" %)
1052 (((
1053 (% _mstvisible="2" %)
1054
1055 )))
1056
1057 (% _mstvisible="1" %)
1058 (((
1059 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1060 LHT65N will uplink this payload.
1061 )))
1062
1063 (% _mstvisible="1" %)
1064 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1065
1066 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1067 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1068
1069 (% _msthash="315237" _msttexthash="1385839" %)
1070 Where the first 11 bytes is for the first entry:
1071
1072 (% _msthash="315238" _msttexthash="274846" %)
1073 7FFF089801464160065F97
1074
1075 (% _msthash="315239" _msttexthash="617435" %)
1076 Ext sensor data=0x7FFF/100=327.67
1077
1078 (% _msthash="315240" _msttexthash="270543" %)
1079 Temp=0x0898/100=22.00
1080
1081 (% _msthash="315241" _msttexthash="211783" %)
1082 Hum=0x0146/10=32.6
1083
1084 (% _msthash="315242" _msttexthash="1569776" %)
1085 poll message flag & Ext=0x41,means reply data,Ext=1
1086
1087 (% _msthash="315243" _msttexthash="1120509" %)
1088 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1089
1090
1091 (% _mstvisible="1" style="text-align: left;" %)
1092 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1093
1094 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1095 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.
1096
1097 (% _mstvisible="1" %)
1098 (((
1099 (% _mstvisible="2" style="text-align: left;" %)
1100 (% _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.
1101 )))
1102
1103 (% _mstvisible="1" style="text-align: left;" %)
1104 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1105
1106 (% _mstvisible="1" class="box infomessage" %)
1107 (((
1108 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1109 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1110
1111 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1112 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1113
1114 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1115 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1116
1117 (% _mstvisible="2" style="text-align: left;" %)
1118 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1119
1120 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1121 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1122 )))
1123
1124
1125
1126 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1127 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1128
1129 (% _mstvisible="1" %)
1130 (((
1131 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1132 The LHT65 has a triple color LED which for easy showing different stage .
1133
1134 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1135 While user press ACT button, the LED will work as per LED status with ACT button.
1136 )))
1137
1138 (% _mstvisible="1" %)
1139 (((
1140 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1141 In a normal working state:
1142 )))
1143
1144 (% _mstvisible="1" %)
1145 * (% _mstvisible="3" %)
1146 (((
1147 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1148 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1149
1150 (% _msthash="197771" _msttexthash="1202526" %)
1151 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1152 )))
1153 * (% _mstvisible="3" %)
1154 (((
1155 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1156 RED LED when external sensor is not connected
1157 )))
1158 * (% _mstvisible="3" %)
1159 (((
1160 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1161 For each success downlink, the PURPLE LED will blink once
1162
1163
1164
1165 )))
1166
1167 (% _mstvisible="1" style="text-align: left;" %)
1168 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1169
1170 (% _mstvisible="1" %)
1171 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1172
1173
1174 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1175 = (% _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(%%) =
1176
1177 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1178 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1179
1180 [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1181
1182 1m long breakout cable for LHT65N
1183
1184 [[image:image-20220619092421-3.png||height="371" width="529"]]
1185
1186
1187
1188 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1189 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1190
1191 (% _mstvisible="1" %)
1192 [[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"]]
1193
1194
1195 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1196 Temperature sensor with 2 meters cable long
1197
1198 (% _mstvisible="1" %)
1199 * Resolution: 0.0625 °C
1200 * ±0.5°C accuracy from -10°C to +85°C
1201 * ±2°C accuracy from -55°C to +125°C
1202 * Operating Range: -40 ~~ 125 °C
1203 * -55°C to 125°C
1204 * Working voltage 2.35v ~~ 5v
1205
1206
1207
1208
1209 (% _mstvisible="1" style="text-align: left;" %)
1210 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1211
1212 (% _mstvisible="1" %)
1213 (((
1214 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1215 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1216 )))
1217
1218 (% _mstvisible="1" %)
1219 * (% _mstvisible="3" %)
1220 (((
1221 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1222 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1223 )))
1224 * (% _mstvisible="3" %)
1225 (((
1226 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1227 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1228 )))
1229
1230 (% _mstvisible="1" %)
1231 (((
1232 (% _mstvisible="2" style="text-align: left;" %)
1233
1234 )))
1235
1236 (% _mstvisible="1" %)
1237 (((
1238 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1239 There are two kinds of commands to configure LHT65N, they are:
1240 )))
1241
1242 (% _mstvisible="1" %)
1243 (((
1244 (% _mstvisible="2" style="text-align: left;" %)
1245 (% _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" %).
1246 )))
1247
1248 (% _mstvisible="1" %)
1249 (((
1250 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1251 These commands are to configure:
1252 )))
1253
1254 (% _mstvisible="1" %)
1255 * (% _mstvisible="3" %)
1256 (((
1257 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1258 General system settings like: uplink interval.
1259 )))
1260 * (% _mstvisible="3" %)
1261 (((
1262 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1263 LoRaWAN protocol & radio-related commands.
1264 )))
1265
1266 (% _mstvisible="1" %)
1267 (((
1268 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1269 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]]
1270 )))
1271
1272 (% _mstvisible="1" %)
1273 (((
1274 (% _mstvisible="2" style="text-align: left;" %)
1275
1276 )))
1277
1278 (% _mstvisible="1" %)
1279 (((
1280 (% _mstvisible="2" style="text-align: left;" %)
1281 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1282 )))
1283
1284 (% _mstvisible="1" %)
1285 (((
1286 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1287 These commands are only valid for LHT65N, as below:
1288
1289
1290 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1291
1292 )))
1293
1294 (% _mstvisible="1" style="text-align: left;" %)
1295 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1296
1297 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1298 Feature: Change LoRaWAN End Node Transmit Interval.
1299
1300 (% _mstvisible="1" style="text-align: left;" %)
1301 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1302
1303 (% _mstvisible="1" %)
1304 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1305
1306 (% _mstvisible="1" %)
1307 (((
1308 (% _mstvisible="2" style="text-align: left;" %)
1309
1310
1311 (% _mstvisible="2" style="text-align: left;" %)
1312 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1313 )))
1314
1315 (% _mstvisible="1" %)
1316 (((
1317 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1318 Format: Command Code (0x01) followed by 3 bytes time value.
1319 )))
1320
1321 (% _mstvisible="1" %)
1322 (((
1323 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1324 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1325 )))
1326
1327 (% _mstvisible="1" %)
1328 * (% _mstvisible="3" %)
1329 (((
1330 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1331 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1332 )))
1333 * (% _mstvisible="3" %)
1334 (((
1335 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1336 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1337
1338
1339 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1340
1341 )))
1342
1343 (% _mstvisible="1" style="text-align: left;" %)
1344 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1345
1346 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1347 Feature: Change External Sensor Mode.
1348
1349 (% _mstvisible="1" style="text-align: left;" %)
1350 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1351
1352 (% _mstvisible="1" %)
1353 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1354
1355 (% _mstvisible="1" %)
1356 (((
1357 (% _mstvisible="2" style="text-align: left;" %)
1358
1359
1360 (% _mstvisible="2" style="text-align: left;" %)
1361 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1362 )))
1363
1364 (% _mstvisible="1" %)
1365 (((
1366 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1367 Total bytes: 2 ~~ 5 bytes
1368 )))
1369
1370 (% _mstvisible="1" %)
1371 (((
1372 (% _mstvisible="2" %)
1373 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1374 )))
1375
1376 (% _mstvisible="1" %)
1377 * (% _mstvisible="3" %)
1378 (((
1379 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1380 0xA201: Set external sensor type to E1
1381 )))
1382 * (% _mstvisible="3" %)
1383 (((
1384 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1385 0xA209: Same as AT+EXT=9
1386 )))
1387 * (% _mstvisible="3" %)
1388 (((
1389 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1390 0xA20702003c,Same as AT+SETCNT=60
1391
1392
1393 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1394
1395 )))
1396
1397 (% _mstvisible="1" style="text-align: left;" %)
1398 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1399
1400 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1401 Feature: If PID is enabled, device will send the temperature probe ID on:
1402
1403 (% _mstvisible="1" %)
1404 * First Packet after OTAA Join
1405 * Every 24 hours since the first packet.
1406
1407 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1408 PID is default set to disable (0)
1409
1410 (% _mstvisible="1" style="text-align: left;" %)
1411 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1412
1413 (% _mstvisible="1" %)
1414 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1415
1416
1417 (% _mstvisible="1" style="text-align: left;" %)
1418 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1419
1420 (% _mstvisible="1" %)
1421 * 0xA800  **~-~->** AT+PID=0
1422 * 0xA801     **~-~->** AT+PID=1
1423
1424
1425
1426
1427 (% _mstvisible="1" style="text-align: left;" %)
1428 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1429
1430 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1431 Feature: Set device password, max 9 digits
1432
1433 (% _mstvisible="1" style="text-align: left;" %)
1434 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1435
1436 (% _mstvisible="1" %)
1437 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1438
1439 (% _mstvisible="1" %)
1440 (((
1441 (% _mstvisible="2" style="text-align: left;" %)
1442
1443
1444 (% _mstvisible="2" style="text-align: left;" %)
1445 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1446 )))
1447
1448 (% _mstvisible="1" %)
1449 (((
1450 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1451 No downlink command for this feature.
1452
1453 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1454
1455 )))
1456
1457 (% _mstvisible="1" style="text-align: left;" %)
1458 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1459
1460 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1461 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1462
1463 (% _mstvisible="1" style="text-align: left;" %)
1464 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1465
1466 (% _mstvisible="1" %)
1467 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1468
1469
1470 (% _mstvisible="1" style="text-align: left;" %)
1471 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1472
1473 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1474 No downlink command for this feature.
1475
1476
1477 (% _mstvisible="1" style="text-align: left;" %)
1478 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1479
1480 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1481 Feature: Set device to sleep mode
1482
1483 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1484 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1485
1486 (% _mstvisible="1" style="text-align: left;" %)
1487 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1488
1489 (% _mstvisible="1" %)
1490 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1491
1492
1493 (% _mstvisible="1" %)
1494 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1495
1496 (% _mstvisible="1" %)
1497 * There is no downlink command to set to Sleep mode.
1498
1499
1500
1501
1502 (% _mstvisible="1" %)
1503 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1504
1505 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1506 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1507
1508 (% _mstvisible="1" %)
1509 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1510
1511 (% _mstvisible="1" %)
1512 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1513
1514
1515 (% _mstvisible="1" %)
1516 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1517
1518 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1519 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1520
1521
1522 (% _mstvisible="1" %)
1523 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1524
1525 (% _mstvisible="1" %)
1526 (((
1527 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1528 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1529 )))
1530
1531 (% _mstvisible="1" %)
1532 (((
1533 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1534 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.
1535 )))
1536
1537 (% _mstvisible="1" %)
1538 (((
1539 (% _mstvisible="2" %)
1540 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1541 )))
1542
1543 (% _mstvisible="1" %)
1544 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1545
1546
1547 (% _mstvisible="1" %)
1548 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1549
1550 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1551 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1552
1553 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1554 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1555
1556
1557 (% _mstvisible="1" %)
1558 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1559
1560 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1561 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1562
1563 (% _mstvisible="1" %)
1564 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1565
1566 (% _mstvisible="1" %)
1567 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1568
1569
1570 (% _mstvisible="1" %)
1571 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1572
1573 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1574 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1575
1576
1577 (% _mstvisible="1" %)
1578 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1579
1580 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1581 Feature: Print the sector data from start page to stop page (max is 416 pages).
1582
1583 (% _mstvisible="1" %)
1584 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1585
1586 (% _mstvisible="1" %)
1587 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1588
1589
1590 (% _mstvisible="1" %)
1591 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1592
1593 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1594 No downlink commands for feature
1595
1596
1597 (% _mstvisible="1" %)
1598 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1599
1600 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1601 Feature: Print the last few data entries
1602
1603 (% _mstvisible="1" %)
1604 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1605
1606 (% _mstvisible="1" %)
1607 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1608
1609
1610 (% _mstvisible="1" %)
1611 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1612
1613 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1614 No downlink commands for feature
1615
1616
1617 (% _mstvisible="1" %)
1618 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1619
1620 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1621 Feature: Clear flash storage for data log feature.
1622
1623 (% _mstvisible="1" %)
1624 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1625
1626 (% _mstvisible="1" %)
1627 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1628
1629
1630 (% _mstvisible="1" %)
1631 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1632
1633 (% _mstvisible="1" %)
1634 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1635
1636
1637
1638
1639 (% _mstvisible="1" %)
1640 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1641
1642 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1643 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.
1644
1645
1646 (% _mstvisible="1" %)
1647 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1648
1649 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1650 The default factory setting is 0
1651
1652 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1653 (% _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**
1654 (% _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
1655
1656 (% _mstvisible="1" %)
1657 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1658
1659 (% _mstvisible="1" %)
1660 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1661
1662
1663
1664
1665 (% _mstvisible="1" %)
1666 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1667
1668 (% _mstvisible="1" %)
1669 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1670
1671 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1672 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.
1673
1674 (% _mstvisible="1" %)
1675 (((
1676 (% _mstvisible="2" %)
1677 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1678 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1679 )))
1680
1681 (% _mstvisible="1" %)
1682 (((
1683 (% _mstvisible="2" %)
1684 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1685
1686 )))
1687
1688 (% _mstvisible="1" %)
1689 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1690
1691 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1692 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.
1693
1694 (% _mstvisible="1" %)
1695 [[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"]]
1696
1697
1698 (% _mstvisible="1" %)
1699 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1700
1701 (% _mstvisible="1" %)
1702 (((
1703 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1704 (((
1705 (% _msthash="736723" _msttexthash="35479028" %)
1706 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:
1707 [[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]]
1708 )))
1709
1710 (((
1711
1712 )))
1713
1714 (((
1715 (% _msthash="736724" _msttexthash="12045098" %)
1716 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]]
1717 )))
1718
1719
1720 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1721 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1722
1723 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1724 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1725
1726 (((
1727 (% _msthash="736725" _msttexthash="9345674" %)
1728 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.
1729 )))
1730
1731 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1732
1733
1734 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1735
1736 (% _msthash="506062" _msttexthash="1187732" %)
1737 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1738
1739 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1740
1741 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1742
1743 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1744
1745
1746 (((
1747 (% _msthash="736726" _msttexthash="67213055" %)
1748 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.
1749 )))
1750
1751 (((
1752 (% _msthash="736727" _msttexthash="1907009" %)
1753 Input password and ATZ to activate LHT65N,As shown below:
1754 )))
1755
1756 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1757
1758
1759 (% _msthash="506066" _msttexthash="544869" %)
1760 AT Command List is as below:
1761
1762 (% _msthash="506067" _msttexthash="361920" %)
1763 AT+<CMD>? :  Help on <CMD>
1764
1765 (% _msthash="506068" _msttexthash="243061" %)
1766 AT+<CMD> :  Run <CMD>
1767
1768 (% _msthash="506069" _msttexthash="704197" %)
1769 AT+<CMD>=<value> :  Set the value
1770
1771 (% _msthash="506070" _msttexthash="455676" %)
1772 AT+<CMD>=? :  Get the value
1773
1774 (% _msthash="506071" _msttexthash="670553" %)
1775 AT+DEBUG:  Set more info output
1776
1777 (% _msthash="506072" _msttexthash="485888" %)
1778 ATZ:  Trig a reset of the MCU
1779
1780 (% _msthash="506073" _msttexthash="2068872" %)
1781 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1782
1783 (% _msthash="506074" _msttexthash="689169" %)
1784 AT+DEUI:  Get or Set the Device EUI
1785
1786 (% _msthash="506075" _msttexthash="960414" %)
1787 AT+DADDR:  Get or Set the Device Address
1788
1789 (% _msthash="506076" _msttexthash="1079897" %)
1790 AT+APPKEY:  Get or Set the Application Key
1791
1792 (% _msthash="506077" _msttexthash="1326143" %)
1793 AT+NWKSKEY:  Get or Set the Network Session Key
1794
1795 (% _msthash="506078" _msttexthash="1573000" %)
1796 AT+APPSKEY:  Get or Set the Application Session Key
1797
1798 (% _msthash="506079" _msttexthash="1041729" %)
1799 AT+APPEUI:  Get or Set the Application EUI
1800
1801 (% _msthash="506080" _msttexthash="2104206" %)
1802 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1803
1804 (% _msthash="506081" _msttexthash="3369288" %)
1805 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1806
1807 (% _msthash="506082" _msttexthash="1894529" %)
1808 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1809
1810 (% _msthash="506083" _msttexthash="3864172" %)
1811 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1812
1813 (% _msthash="506084" _msttexthash="1712204" %)
1814 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1815
1816 (% _msthash="506085" _msttexthash="1281202" %)
1817 AT+RX2FQ:  Get or Set the Rx2 window frequency
1818
1819 (% _msthash="506086" _msttexthash="2796781" %)
1820 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1821
1822 (% _msthash="506087" _msttexthash="3285165" %)
1823 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1824
1825 (% _msthash="506088" _msttexthash="3286179" %)
1826 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1827
1828 (% _msthash="506089" _msttexthash="4703803" %)
1829 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1830
1831 (% _msthash="506090" _msttexthash="4704999" %)
1832 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1833
1834 (% _msthash="506091" _msttexthash="1528683" %)
1835 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1836
1837 (% _msthash="506092" _msttexthash="757185" %)
1838 AT+NWKID:  Get or Set the Network ID
1839
1840 (% _msthash="506093" _msttexthash="1156597" %)
1841 AT+FCU:  Get or Set the Frame Counter Uplink
1842
1843 (% _msthash="506094" _msttexthash="1273987" %)
1844 AT+FCD:  Get or Set the Frame Counter Downlink
1845
1846 (% _msthash="506095" _msttexthash="859222" %)
1847 AT+CLASS:  Get or Set the Device Class
1848
1849 (% _msthash="506096" _msttexthash="384852" %)
1850 AT+JOIN:  Join network
1851
1852 (% _msthash="506097" _msttexthash="548626" %)
1853 AT+NJS:  Get the join status
1854
1855 (% _msthash="506098" _msttexthash="2546206" %)
1856 AT+SENDB:  Send hexadecimal data along with the application port
1857
1858 (% _msthash="506099" _msttexthash="1932307" %)
1859 AT+SEND:  Send text data along with the application port
1860
1861 (% _msthash="506100" _msttexthash="3560557" %)
1862 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1863
1864 (% _msthash="506101" _msttexthash="1429701" %)
1865 AT+RECV:  Print last received data in raw format
1866
1867 (% _msthash="506102" _msttexthash="1735981" %)
1868 AT+VER:  Get current image version and Frequency Band
1869
1870 (% _msthash="506103" _msttexthash="1189474" %)
1871 AT+CFM:  Get or Set the confirmation mode (0-1)
1872
1873 (% _msthash="506104" _msttexthash="1718210" %)
1874 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1875
1876 (% _msthash="506105" _msttexthash="1339403" %)
1877 AT+SNR:  Get the SNR of the last received packet
1878
1879 (% _msthash="506106" _msttexthash="1452009" %)
1880 AT+RSSI:  Get the RSSI of the last received packet
1881
1882 (% _msthash="506107" _msttexthash="2768142" %)
1883 AT+TDC:  Get or set the application data transmission interval in ms
1884
1885 (% _msthash="506108" _msttexthash="1083914" %)
1886 AT+PORT:  Get or set the application port
1887
1888 (% _msthash="506109" _msttexthash="622440" %)
1889 AT+DISAT:  Disable AT commands
1890
1891 (% _msthash="506110" _msttexthash="868361" %)
1892 AT+PWORD: Set password, max 9 digits
1893
1894 (% _msthash="506111" _msttexthash="2210299" %)
1895 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1896
1897 (% _msthash="506112" _msttexthash="2113462" %)
1898 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1899
1900 (% _msthash="506113" _msttexthash="2087423" %)
1901 AT+PDTA:  Print the sector data from start page to stop page
1902
1903 (% _msthash="506114" _msttexthash="1063127" %)
1904 AT+PLDTA:  Print the last few sets of data
1905
1906 (% _msthash="506115" _msttexthash="1999426" %)
1907 AT+CLRDTA:  Clear the storage, record position back to 1st
1908
1909 (% _msthash="506116" _msttexthash="442130" %)
1910 AT+SLEEP:  Set sleep mode
1911
1912 (% _msthash="506117" _msttexthash="1080222" %)
1913 AT+EXT:  Get or Set external sensor model
1914
1915 (% _msthash="506118" _msttexthash="1309490" %)
1916 AT+BAT:  Get the current battery voltage in mV
1917
1918 (% _msthash="506119" _msttexthash="813891" %)
1919 AT+CFG:  Print all configurations
1920
1921 (% _msthash="506120" _msttexthash="551707" %)
1922 AT+WMOD:  Get or Set Work Mode
1923
1924 (% _msthash="506121" _msttexthash="2631499" %)
1925 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1926
1927 (% _msthash="506122" _msttexthash="3907150" %)
1928 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1929
1930 (% _msthash="506123" _msttexthash="854620" %)
1931 AT+SETCNT:  Set the count at present
1932
1933 (% _msthash="506124" _msttexthash="2554877" %)
1934 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1935
1936 (% _msthash="506125" _msttexthash="771849" %)
1937 AT+RPL:  Get or set response level
1938
1939 (% _msthash="506126" _msttexthash="1484314" %)
1940 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1941
1942 (% _msthash="506127" _msttexthash="741728" %)
1943 AT+LEAPSEC:  Get or Set Leap Second
1944
1945 (% _msthash="506128" _msttexthash="1694017" %)
1946 AT+SYNCMOD:  Get or Set time synchronization method
1947
1948 (% _msthash="506129" _msttexthash="2235948" %)
1949 AT+SYNCTDC:  Get or set time synchronization interval in day
1950
1951 (% _msthash="506130" _msttexthash="425542" %)
1952 AT+PID:  Get or set the PID
1953
1954
1955 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1956
1957 (% _msthash="506131" _msttexthash="14585714" %)
1958 AT commands：
1959
1960 [[image:image-20220620153708-1.png||height="603" width="723"]]
1961
1962 (% _msthash="506132" _msttexthash="337922" %)
1963 Downlink commands:
1964
1965
1966 (% _msthash="506133" _msttexthash="33046" %)
1967 **TTN:**
1968
1969 [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1970
1971
1972 (% _msthash="506134" _msttexthash="11113791" %)
1973 **Helium：**
1974
1975 [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1976
1977
1978 (% _msthash="506135" _msttexthash="4159844" %)
1979 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1980
1981 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1982
1983 [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1984
1985
1986 (% _msthash="506136" _msttexthash="39286" %)
1987 **Aws:**
1988
1989 [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1990
1991
1992 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1993
1994 [[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"]]
1995
1996
1997 (% _msthash="536757" _msttexthash="1874951" %)
1998 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1999
2000 [[image:image-20220615153355-1.png]]
2001
2002 [[image:image-20220620154900-5.jpeg||height="427" width="570"]]
2003
2004 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2005
2006 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2007
2008 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2009
2010
2011 To switch from download mode to command mode, press reset key
2012
2013
2014 (((
2015 (% _msthash="736728" _msttexthash="67213055" %)
2016 (((
2017 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.
2018 )))
2019 )))
2020
2021 (((
2022 (% _msthash="736729" _msttexthash="1907009" %)
2023 Input password and ATZ to activate LHT65N,As shown below:
2024
2025 [[image:image-20220615154519-3.png||height="672" width="807"]]
2026
2027
2028 )))
2029
2030 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
2031
2032
2033 [[image:image-20220615153355-1.png]]
2034
2035 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2036
2037 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2038
2039 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2040
2041 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2042
2043 [[image:image-20220620160241-6.jpeg||height="428" width="571"]]
2044
2045 Press reset after connecting the 4boot cable to enter the download mode.
2046
2047 [[image:image-20220620160516-7.png||height="435" width="435"]]
2048
2049
2050 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2051
2052 [[image:image-20220615170542-5.png]]
2053
2054
2055 (% _msthash="506146" _msttexthash="52173160" %)
2056 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2057
2058
2059 (% _msthash="506147" _msttexthash="188083584" %)
2060 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2061
2062 [[image:image-20220615171334-6.png]]
2063
2064
2065 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2066
2067 [[image:image-20220620160723-8.png]]
2068
2069
2070 )))
2071
2072 (% _mstvisible="1" %)
2073 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2074
2075 (% _mstvisible="1" %)
2076 (((
2077 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2078 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2079 )))
2080
2081 (% _mstvisible="1" %)
2082 (((
2083 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2084 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2085 )))
2086
2087 (% _mstvisible="1" %)
2088 * (% _mstvisible="3" %)
2089 (((
2090 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2091 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2092 )))
2093 * (% _mstvisible="3" %)
2094 (((
2095 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2096 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2097 )))
2098 * (% _mstvisible="3" %)
2099 (((
2100 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2101 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2102 )))
2103 * (% _mstvisible="3" %)
2104 (((
2105 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2106 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2107 )))
2108 * (% _mstvisible="3" %)
2109 (((
2110 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2111 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2112 )))
2113 * (% _mstvisible="3" %)
2114 (((
2115 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2116 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2117 )))
2118 * (% _mstvisible="3" %)
2119 (((
2120 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2121 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2122 )))
2123 * (% _mstvisible="3" %)
2124 (((
2125 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2126 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2127 )))
2128
2129 (% _mstvisible="1" %)
2130 (((
2131 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2132 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2133 )))
2134
2135 (% _mstvisible="1" %)
2136 * (% _mstvisible="3" %)
2137 (((
2138 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2139 (% style="color:red" %)**E3**(%%): External Temperature Probe
2140
2141
2142 )))
2143
2144 (% _mstvisible="1" %)
2145 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2146
2147 (% _mstvisible="1" %)
2148 (((
2149 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2150
2151
2152 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2153 (% _mstvisible="3" %)**Package Includes**(%%):
2154 )))
2155
2156 (% _mstvisible="1" %)
2157 * (% _mstvisible="3" %)
2158 (((
2159 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2160 LHT65N Temperature & Humidity Sensor x 1
2161 )))
2162 * (% _mstvisible="3" %)
2163 (((
2164 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2165 Optional external sensor
2166 )))
2167
2168 (% _mstvisible="1" %)
2169 (((
2170 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2171 (% _mstvisible="3" %)**Dimension and weight**(%%):
2172 )))
2173
2174 (% _mstvisible="1" %)
2175 * (% _mstvisible="3" %)
2176 (((
2177 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2178 Device Size:  10 x 10 x 3.5 cm
2179 )))
2180 * (% _mstvisible="3" %)
2181 (((
2182 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2183 Device Weight: 120.5g
2184 )))
2185
2186 (% _mstvisible="3" %)
2187 (((
2188
2189 )))
2190
2191 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2192
2193 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2194
2195
2196
2197
2198 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2199
2200 (% _mstvisible="1" %)
2201 (((
2202 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2203 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2204 )))
2205
2206 (% _mstvisible="1" %)
2207 (((
2208 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2209 (1) This device may not cause harmful interference；
2210 )))
2211
2212 (% _mstvisible="1" %)
2213 (((
2214 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2215 (2) this device must accept any interference received, including interference that may cause undesired operation.
2216 )))