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Version 166.11 by Xiaoling on 2022/06/21 10:40
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9 (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
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11 {{toc/}}
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17 = (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1. Introduction(%%) =
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19 (% _mstvisible="1" %)
20 == (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT65N Temperature & Humidity Sensor(%%) ==
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22 (% _mstvisible="1" %)
23 (((
24 (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
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27 (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
28 The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% _mstvisible="4" style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% _mstvisible="4" style="color:#4f81bd" %)**Temperature Sensor**(% _mstvisible="3" %)**.**
29 )))
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32 (((
33 (% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %)
34 The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
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38 (((
39 (% _msthash="506053" _msttexthash="4298047" _mstvisible="2" %)
40 LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
41 )))
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43 (% _mstvisible="1" %)
44 (((
45 (% _msthash="506054" _msttexthash="6016374" _mstvisible="2" %)
46 LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
47 )))
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49 (% _mstvisible="1" %)
50 (((
51 (% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %)
52 LHT65N supports (% _mstvisible="4" style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
53 )))
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55 (% _mstvisible="1" %)
56 (((
57 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
58 *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
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60 (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
61
62 )))
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64 (% _mstvisible="1" %)
65 == (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
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67 (% _mstvisible="1" %)
68 * Wall mountable
69 * LoRaWAN v1.0.3 Class A protocol
70 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
71 * AT Commands to change parameters
72 * Remote configure parameters via LoRaWAN Downlink
73 * Firmware upgradeable via program port
74 * Built-in 2400mAh battery for up to 10 years of use.
75 * Built-in Temperature & Humidity sensor
76 * Optional External Sensors
77 * Tri-color LED to indicate working status
78 * Datalog feature
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80 (% _mstvisible="1" %)
81 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
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84 (((
85 (% _mstvisible="2" %)
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89 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
90 )))
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92 (% _mstvisible="1" %)
93 * (% _mstvisible="3" %)
94 (((
95 (% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
96 Resolution: 0.01 °C
97 )))
98 * (% _mstvisible="3" %)
99 (((
100 (% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
101 Accuracy Tolerance : Typ ±0.3 °C
102 )))
103 * (% _mstvisible="3" %)
104 (((
105 (% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
106 Long Term Drift: < 0.02 °C/yr
107 )))
108 * (% _mstvisible="3" %)
109 (((
110 (% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
111 Operating Range: -40 ~~ 85 °C
112 )))
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114 (% _mstvisible="1" %)
115 (((
116 (% _mstvisible="2" %)
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119 (% _mstvisible="2" %)
120 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
121 )))
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123 (% _mstvisible="1" %)
124 * (% _mstvisible="3" %)
125 (((
126 (% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
127 Resolution: 0.04 %RH
128 )))
129 * (% _mstvisible="3" %)
130 (((
131 (% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
132 Accuracy Tolerance : Typ ±3 %RH
133 )))
134 * (% _mstvisible="3" %)
135 (((
136 (% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
137 Long Term Drift: < 0.02 °C/yr
138 )))
139 * (% _mstvisible="3" %)
140 (((
141 (% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
142 Operating Range: 0 ~~ 96 %RH
143 )))
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145 (% _mstvisible="1" %)
146 (((
147 (% _mstvisible="2" %)
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150 (% _mstvisible="2" %)
151 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
152 )))
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154 (% _mstvisible="1" %)
155 * (% _mstvisible="3" %)
156 (((
157 (% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
158 Resolution: 0.0625 °C
159 )))
160 * (% _mstvisible="3" %)
161 (((
162 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
163 ±0.5°C accuracy from -10°C to +85°C
164 )))
165 * (% _mstvisible="3" %)
166 (((
167 (% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
168 ±2°C accuracy from -55°C to +125°C
169 )))
170 * (% _mstvisible="3" %)
171 (((
172 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
173 Operating Range: -55 °C ~~ 125 °C
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176 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
177
178 )))
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180 (% _mstvisible="1" %)
181 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
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183 (% _mstvisible="1" %)
184 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
185
186 (% _mstvisible="1" %)
187 (((
188 (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
189 LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
190 )))
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192 (% _mstvisible="1" %)
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194 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
195 If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
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197 (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
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199 )))
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201 (% _mstvisible="1" %)
202 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
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204 (% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
205 The LHT65N has two working modes:
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207 (% _mstvisible="1" %)
208 * (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
209 * (% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
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212 (((
213 (% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
214 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
215 )))
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217 (% _mstvisible="1" %)
218 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
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220 (% _mstvisible="1" %)
221 [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
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224 (% _mstvisible="1" %)
225 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
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227 (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
228 This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
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(%%) ===
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371 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
372 When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
373
374 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
375 Below is the position to put the decoder and LHT65N decoder can be download from here:
376
377 (% _mstvisible="1" %)
378 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
379
380 (% _mstvisible="1" %)
381 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
382
383
384
385 (% _mstvisible="1" %)
386 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
387
388 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
389 These two bytes of BAT include the battery state and the actually voltage
390
391 (% _mstvisible="1" %)
392 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
393
394 (% _mstvisible="1" %)
395 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
396
397 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
398 Check the battery voltage for LHT65N.
399
400 (% _mstvisible="1" %)
401 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
402 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
403
404 (% _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 (% _mstvisible="1" %)
429 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
430
431 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
432 Bytes for External Sensor:
433
434 (% _mstvisible="1" %)
435 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
436
437
438 (% _mstvisible="1" %)
439 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
440
441 (% _mstvisible="1" %)
442 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
443
444 (% _mstvisible="1" %)
445 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
446
447
448 (% _mstvisible="1" %)
449 * DS18B20 temp=0x0ADD/100=27.81℃
450
451 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
452 The last 2 bytes of data are meaningless
453
454 (% _mstvisible="1" %)
455 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
456
457
458 (% _mstvisible="1" %)
459 * External temperature= (0xF54F-65536)/100=-27.37℃
460
461 (% _mstvisible="1" %)
462 (((
463 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
464 The last 2 bytes of data are meaningless
465 )))
466
467 (% _mstvisible="1" %)
468 (((
469 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
470 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
471 )))
472
473
474 (% _mstvisible="1" %)
475 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
476
477 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
478 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:
479
480 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
481 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
482 (((
483 (% _mstvisible="6" %)
484 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
485 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
486 (((
487 (% _mstvisible="6" %)
488 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
489 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
490 (((
491 (% _mstvisible="6" %)
492 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
493 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
494 (((
495 (% _mstvisible="6" %)
496 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
497 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
498 (((
499 (% _mstvisible="6" %)
500 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
501 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
502 (((
503 (% _mstvisible="6" %)
504 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
505 )))
506 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
507 (((
508 (% _mstvisible="6" %)
509 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
510 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
511 (((
512 (% _mstvisible="6" %)
513 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
514 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
515 (((
516 (% _mstvisible="6" %)
517 (((
518 (% _mstvisible="7" %)
519 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
520 )))
521
522 (% _mstvisible="6" %)
523 (((
524 (% _mstvisible="7" %)
525 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
526 )))
527 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
528 (((
529 (% _mstvisible="6" %)
530 (((
531 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
532 BAT Status &
533 )))
534
535 (% _mstvisible="6" %)
536 (((
537 (% _mstvisible="7" %)
538 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
539 )))
540 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
541 (((
542 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
543 Status & Ext
544 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
545 (((
546 (% _mstvisible="6" %)
547 (((
548 (% _mstvisible="7" %)
549 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
550 )))
551 )))
552
553 (% _mstvisible="1" %)
554 * (% _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**
555
556 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
557 (% _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]
558 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
559 (((
560 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
561 BAT Status
562
563 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
564 00(b): Ultra Low ( BAT <= 2.50v)
565
566 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
567 01(b): Low  (2.50v <=BAT <= 2.55v)
568
569 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
570 10(b): OK   (2.55v <= BAT <=2.65v)
571
572 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
573 11(b): Good   (BAT >= 2.65v)
574 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
575 (((
576 (% _mstvisible="6" %)
577 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
578
579 (% _mstvisible="6" %)
580
581 )))
582
583 (% _mstvisible="1" %)
584 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
585
586 (% _mstvisible="1" %)
587 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
588
589 (% _mstvisible="1" %)
590 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
591 * 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.
592 * 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)
593
594
595
596
597 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
598
599 In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
600
601 be used to power the external ADC sensor; user can control the power on time for this
602
603 sensor by setting:
604
605 AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
606
607
608
609 (% _mstvisible="1" %)
610 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
611
612 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
613 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:
614
615 (% _mstvisible="1" %)
616 (((
617 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
618 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
619 )))
620
621 (% _mstvisible="1" %)
622 (((
623 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
624 (% _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.
625 )))
626
627 (% _mstvisible="1" %)
628 (((
629 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
630 Add Datacake:
631 )))
632
633 (% _mstvisible="1" %)
634 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
635
636
637 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
638 Select default key as Access Key:
639
640 (% _mstvisible="1" %)
641 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
642
643 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
644 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
645
646 (% _mstvisible="1" %)
647 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
648
649 (% _mstvisible="1" %)
650 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
651
652
653
654 (% _mstvisible="1" %)
655 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
656
657 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
658 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.
659
660
661 (% _mstvisible="1" %)
662 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
663
664 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
665 There are two methods:
666
667 (% _mstvisible="1" %)
668 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
669 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.
670
671
672
673
674 (% _mstvisible="1" %)
675 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
676
677 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
678 LHT65N uses Unix TimeStamp format based on
679
680 (% _mstvisible="1" %)
681 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
682
683
684 (% _mstvisible="1" %)
685 (((
686 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
687 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
688 )))
689
690 (% _mstvisible="1" %)
691 (((
692 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
693 Below is the converter example
694 )))
695
696 (% _mstvisible="1" %)
697 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
698
699 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
700 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
701
702
703 (% _mstvisible="1" %)
704 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
705
706 (% _mstvisible="1" %)
707 (((
708 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
709 There are two ways to set device’s time:
710 )))
711
712 (% _mstvisible="1" %)
713 (((
714 (% _mstvisible="2" %)
715 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
716 )))
717
718 (% _mstvisible="1" %)
719 (((
720 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
721 User need to set SYNCMOD=1 to enable sync time via MAC command.
722 )))
723
724 (% _mstvisible="1" %)
725 (((
726 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
727 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).
728 )))
729
730 (% _mstvisible="1" %)
731 (((
732 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
733 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.
734 )))
735
736 (% _mstvisible="1" %)
737 (((
738 (% _mstvisible="2" %)
739
740 )))
741
742 (% _mstvisible="1" %)
743 (((
744 (% _mstvisible="2" %)
745 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
746 )))
747
748 (% _mstvisible="1" %)
749 (((
750 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
751 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
752
753 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
754
755 )))
756
757 (% _mstvisible="1" %)
758 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
759
760 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
761 User can poll sensor value based on timestamps from the server. Below is the downlink command.
762
763 (% _mstvisible="1" %)
764 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
765
766 (% _mstvisible="1" %)
767 (((
768 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
769 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.
770 )))
771
772 (% _mstvisible="1" %)
773 (((
774 (% _mstvisible="2" %)
775 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
776 )))
777
778 (% _mstvisible="1" %)
779 (((
780 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
781 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
782 )))
783
784 (% _mstvisible="1" %)
785 (((
786 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
787 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
788 )))
789
790
791 (% _mstvisible="1" %)
792 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
793
794 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
795 The Datalog poll reply uplink will use below payload format.
796
797 (% _mstvisible="1" %)
798 (((
799 (% _mstvisible="2" %)
800 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
801 )))
802
803 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
804 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
805 (((
806 (% _mstvisible="6" %)
807 (((
808 (% _mstvisible="7" %)
809 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
810 )))
811 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
812 (((
813 (% _mstvisible="6" %)
814 (((
815 (% _mstvisible="7" %)
816 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
817 )))
818 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
819 (((
820 (% _mstvisible="6" %)
821 (((
822 (% _mstvisible="7" %)
823 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
824 )))
825 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
826 (((
827 (% _mstvisible="6" %)
828 (((
829 (% _mstvisible="7" %)
830 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
831 )))
832 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
833 (((
834 (% _mstvisible="6" %)
835 (((
836 (% _mstvisible="7" %)
837 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
838 )))
839 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
840 (((
841 (% _mstvisible="6" %)
842 (((
843 (% _mstvisible="7" %)
844 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
845 )))
846 )))
847 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
848 (((
849 (% _mstvisible="6" %)
850 (((
851 (% _mstvisible="7" %)
852 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
853 )))
854 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
855 (((
856 (% _mstvisible="6" %)
857 (((
858 (% _mstvisible="7" %)
859 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
860 )))
861 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
862 (((
863 (% _mstvisible="6" %)
864 (((
865 (% _mstvisible="7" %)
866 (((
867 (% _mstvisible="8" %)
868 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
869 )))
870 )))
871
872 (% _mstvisible="6" %)
873 (((
874 (% _mstvisible="7" %)
875 (((
876 (% _mstvisible="8" %)
877 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
878 )))
879 )))
880 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
881 (((
882 (% _mstvisible="6" %)
883 (((
884 (% _mstvisible="7" %)
885 (((
886 (% _mstvisible="8" %)
887 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
888 )))
889 )))
890
891 (% _mstvisible="6" %)
892 (((
893 (% _mstvisible="7" %)
894 (((
895 (% _mstvisible="8" %)
896 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
897 )))
898 )))
899 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
900 (((
901 (% _mstvisible="6" %)
902 (((
903 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
904 Poll message flag & Ext
905 )))
906 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
907 (((
908 (% _mstvisible="6" %)
909 (((
910 (% _mstvisible="7" %)
911 (((
912 (% _mstvisible="8" %)
913 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
914 )))
915 )))
916
917 (% _mstvisible="6" %)
918 (((
919 (% _mstvisible="7" %)
920 (((
921 (% _mstvisible="8" %)
922
923 )))
924 )))
925 )))
926
927 (% _mstvisible="1" %)
928 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
929
930 (% _mstvisible="1" %)
931 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
932
933 (% _mstvisible="1" %)
934 (((
935 (% _mstvisible="2" %)
936 (((
937 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
938 Poll Message Flag: 1: This message is a poll message reply.
939 )))
940 )))
941
942 (% _mstvisible="1" %)
943 * (% _mstvisible="3" %)
944 (((
945 (% _mstvisible="4" %)
946 (((
947 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
948 Poll Message Flag is set to 1.
949 )))
950 )))
951 * (% _mstvisible="3" %)
952 (((
953 (% _mstvisible="4" %)
954 (((
955 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
956 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
957 )))
958 )))
959
960 (% _mstvisible="1" %)
961 (((
962 (% _mstvisible="2" %)
963 (((
964 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
965
966
967 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
968 For example, in US915 band, the max payload for different DR is:
969 )))
970 )))
971
972 (% _mstvisible="1" %)
973 (((
974 (% _mstvisible="2" %)
975 (((
976 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
977 a) DR0: max is 11 bytes so one entry of data
978 )))
979 )))
980
981 (% _mstvisible="1" %)
982 (((
983 (% _mstvisible="2" %)
984 (((
985 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
986 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
987 )))
988 )))
989
990 (% _mstvisible="1" %)
991 (((
992 (% _mstvisible="2" %)
993 (((
994 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
995 c) DR2: total payload includes 11 entries of data
996 )))
997 )))
998
999 (% _mstvisible="1" %)
1000 (((
1001 (% _mstvisible="2" %)
1002 (((
1003 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1004 d) DR3: total payload includes 22 entries of data.
1005 )))
1006 )))
1007
1008 (% _mstvisible="1" %)
1009 (((
1010 (% _mstvisible="2" %)
1011 (((
1012 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1013 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1014 )))
1015 )))
1016
1017
1018 (% _mstvisible="1" style="text-align: left;" %)
1019 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1020
1021 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1022 If LHT65N has below data inside Flash:
1023
1024 (% _mstvisible="1" %)
1025 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1026
1027 (% _mstvisible="1" %)
1028 (((
1029 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1030 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1031 )))
1032
1033 (% _mstvisible="1" %)
1034 (((
1035 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1036 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1037 )))
1038
1039 (% _mstvisible="1" %)
1040 (((
1041 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1042 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1043 )))
1044
1045 (% _mstvisible="1" %)
1046 (((
1047 (% _mstvisible="2" %)
1048
1049 )))
1050
1051 (% _mstvisible="1" %)
1052 (((
1053 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1054 LHT65N will uplink this payload.
1055 )))
1056
1057 (% _mstvisible="1" %)
1058 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1059
1060 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1061 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1062
1063 (% _msthash="315237" _msttexthash="1385839" %)
1064 Where the first 11 bytes is for the first entry:
1065
1066 (% _msthash="315238" _msttexthash="274846" %)
1067 7FFF089801464160065F97
1068
1069 (% _msthash="315239" _msttexthash="617435" %)
1070 Ext sensor data=0x7FFF/100=327.67
1071
1072 (% _msthash="315240" _msttexthash="270543" %)
1073 Temp=0x0898/100=22.00
1074
1075 (% _msthash="315241" _msttexthash="211783" %)
1076 Hum=0x0146/10=32.6
1077
1078 (% _msthash="315242" _msttexthash="1569776" %)
1079 poll message flag & Ext=0x41,means reply data,Ext=1
1080
1081 (% _msthash="315243" _msttexthash="1120509" %)
1082 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1083
1084
1085 (% _mstvisible="1" style="text-align: left;" %)
1086 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1087
1088 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1089 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.
1090
1091 (% _mstvisible="1" %)
1092 (((
1093 (% _mstvisible="2" style="text-align: left;" %)
1094 (% _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.
1095 )))
1096
1097 (% _mstvisible="1" style="text-align: left;" %)
1098 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1099
1100 (% _mstvisible="1" class="box infomessage" %)
1101 (((
1102 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1103 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1104
1105 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1106 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1107
1108 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1109 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1110
1111 (% _mstvisible="2" style="text-align: left;" %)
1112 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1113
1114 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1115 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1116 )))
1117
1118
1119
1120 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1121 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1122
1123 (% _mstvisible="1" %)
1124 (((
1125 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1126 The LHT65 has a triple color LED which for easy showing different stage .
1127
1128 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1129 While user press ACT button, the LED will work as per LED status with ACT button.
1130 )))
1131
1132 (% _mstvisible="1" %)
1133 (((
1134 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1135 In a normal working state:
1136 )))
1137
1138 (% _mstvisible="1" %)
1139 * (% _mstvisible="3" %)
1140 (((
1141 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1142 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1143
1144 (% _msthash="197771" _msttexthash="1202526" %)
1145 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1146 )))
1147 * (% _mstvisible="3" %)
1148 (((
1149 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1150 RED LED when external sensor is not connected
1151 )))
1152 * (% _mstvisible="3" %)
1153 (((
1154 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1155 For each success downlink, the PURPLE LED will blink once
1156
1157
1158
1159 )))
1160
1161 (% _mstvisible="1" style="text-align: left;" %)
1162 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1163
1164 (% _mstvisible="1" %)
1165 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1166
1167
1168 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1169 = (% _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(%%) =
1170
1171 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1172 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1173
1174 [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1175
1176 1m long breakout cable for LHT65N
1177
1178 [[image:image-20220619092421-3.png||height="371" width="529"]]
1179
1180
1181
1182 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1183 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1184
1185 (% _mstvisible="1" %)
1186 [[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"]]
1187
1188
1189 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1190 Temperature sensor with 2 meters cable long
1191
1192 (% _mstvisible="1" %)
1193 * Resolution: 0.0625 °C
1194 * ±0.5°C accuracy from -10°C to +85°C
1195 * ±2°C accuracy from -55°C to +125°C
1196 * Operating Range: -40 ~~ 125 °C
1197 * -55°C to 125°C
1198 * Working voltage 2.35v ~~ 5v
1199
1200
1201
1202
1203 (% _mstvisible="1" style="text-align: left;" %)
1204 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1205
1206 (% _mstvisible="1" %)
1207 (((
1208 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1209 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1210 )))
1211
1212 (% _mstvisible="1" %)
1213 * (% _mstvisible="3" %)
1214 (((
1215 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1216 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1217 )))
1218 * (% _mstvisible="3" %)
1219 (((
1220 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1221 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1222 )))
1223
1224 (% _mstvisible="1" %)
1225 (((
1226 (% _mstvisible="2" style="text-align: left;" %)
1227
1228 )))
1229
1230 (% _mstvisible="1" %)
1231 (((
1232 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1233 There are two kinds of commands to configure LHT65N, they are:
1234 )))
1235
1236 (% _mstvisible="1" %)
1237 (((
1238 (% _mstvisible="2" style="text-align: left;" %)
1239 (% _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" %).
1240 )))
1241
1242 (% _mstvisible="1" %)
1243 (((
1244 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1245 These commands are to configure:
1246 )))
1247
1248 (% _mstvisible="1" %)
1249 * (% _mstvisible="3" %)
1250 (((
1251 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1252 General system settings like: uplink interval.
1253 )))
1254 * (% _mstvisible="3" %)
1255 (((
1256 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1257 LoRaWAN protocol & radio-related commands.
1258 )))
1259
1260 (% _mstvisible="1" %)
1261 (((
1262 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1263 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]]
1264 )))
1265
1266 (% _mstvisible="1" %)
1267 (((
1268 (% _mstvisible="2" style="text-align: left;" %)
1269
1270 )))
1271
1272 (% _mstvisible="1" %)
1273 (((
1274 (% _mstvisible="2" style="text-align: left;" %)
1275 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1276 )))
1277
1278 (% _mstvisible="1" %)
1279 (((
1280 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1281 These commands are only valid for LHT65N, as below:
1282
1283
1284 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1285
1286 )))
1287
1288 (% _mstvisible="1" style="text-align: left;" %)
1289 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1290
1291 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1292 Feature: Change LoRaWAN End Node Transmit Interval.
1293
1294 (% _mstvisible="1" style="text-align: left;" %)
1295 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1296
1297 (% _mstvisible="1" %)
1298 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1299
1300 (% _mstvisible="1" %)
1301 (((
1302 (% _mstvisible="2" style="text-align: left;" %)
1303
1304
1305 (% _mstvisible="2" style="text-align: left;" %)
1306 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1307 )))
1308
1309 (% _mstvisible="1" %)
1310 (((
1311 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1312 Format: Command Code (0x01) followed by 3 bytes time value.
1313 )))
1314
1315 (% _mstvisible="1" %)
1316 (((
1317 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1318 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1319 )))
1320
1321 (% _mstvisible="1" %)
1322 * (% _mstvisible="3" %)
1323 (((
1324 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1325 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1326 )))
1327 * (% _mstvisible="3" %)
1328 (((
1329 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1330 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1331
1332
1333 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1334
1335 )))
1336
1337 (% _mstvisible="1" style="text-align: left;" %)
1338 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1339
1340 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1341 Feature: Change External Sensor Mode.
1342
1343 (% _mstvisible="1" style="text-align: left;" %)
1344 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1345
1346 (% _mstvisible="1" %)
1347 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1348
1349 (% _mstvisible="1" %)
1350 (((
1351 (% _mstvisible="2" style="text-align: left;" %)
1352
1353
1354 (% _mstvisible="2" style="text-align: left;" %)
1355 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1356 )))
1357
1358 (% _mstvisible="1" %)
1359 (((
1360 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1361 Total bytes: 2 ~~ 5 bytes
1362 )))
1363
1364 (% _mstvisible="1" %)
1365 (((
1366 (% _mstvisible="2" %)
1367 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1368 )))
1369
1370 (% _mstvisible="1" %)
1371 * (% _mstvisible="3" %)
1372 (((
1373 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1374 0xA201: Set external sensor type to E1
1375 )))
1376 * (% _mstvisible="3" %)
1377 (((
1378 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1379 0xA209: Same as AT+EXT=9
1380 )))
1381 * (% _mstvisible="3" %)
1382 (((
1383 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1384 0xA20702003c,Same as AT+SETCNT=60
1385
1386
1387 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1388
1389 )))
1390
1391 (% _mstvisible="1" style="text-align: left;" %)
1392 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1393
1394 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1395 Feature: If PID is enabled, device will send the temperature probe ID on:
1396
1397 (% _mstvisible="1" %)
1398 * First Packet after OTAA Join
1399 * Every 24 hours since the first packet.
1400
1401 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1402 PID is default set to disable (0)
1403
1404 (% _mstvisible="1" style="text-align: left;" %)
1405 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1406
1407 (% _mstvisible="1" %)
1408 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1409
1410
1411 (% _mstvisible="1" style="text-align: left;" %)
1412 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1413
1414 (% _mstvisible="1" %)
1415 * 0xA800  **~-~->** AT+PID=0
1416 * 0xA801     **~-~->** AT+PID=1
1417
1418
1419
1420
1421 (% _mstvisible="1" style="text-align: left;" %)
1422 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1423
1424 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1425 Feature: Set device password, max 9 digits
1426
1427 (% _mstvisible="1" style="text-align: left;" %)
1428 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1429
1430 (% _mstvisible="1" %)
1431 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1432
1433 (% _mstvisible="1" %)
1434 (((
1435 (% _mstvisible="2" style="text-align: left;" %)
1436
1437
1438 (% _mstvisible="2" style="text-align: left;" %)
1439 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1440 )))
1441
1442 (% _mstvisible="1" %)
1443 (((
1444 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1445 No downlink command for this feature.
1446
1447 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1448
1449 )))
1450
1451 (% _mstvisible="1" style="text-align: left;" %)
1452 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1453
1454 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1455 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1456
1457 (% _mstvisible="1" style="text-align: left;" %)
1458 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1459
1460 (% _mstvisible="1" %)
1461 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1462
1463
1464 (% _mstvisible="1" style="text-align: left;" %)
1465 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1466
1467 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1468 No downlink command for this feature.
1469
1470
1471 (% _mstvisible="1" style="text-align: left;" %)
1472 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1473
1474 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1475 Feature: Set device to sleep mode
1476
1477 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1478 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1479
1480 (% _mstvisible="1" style="text-align: left;" %)
1481 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1482
1483 (% _mstvisible="1" %)
1484 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1485
1486
1487 (% _mstvisible="1" %)
1488 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1489
1490 (% _mstvisible="1" %)
1491 * There is no downlink command to set to Sleep mode.
1492
1493
1494
1495
1496 (% _mstvisible="1" %)
1497 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1498
1499 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1500 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1501
1502 (% _mstvisible="1" %)
1503 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1504
1505 (% _mstvisible="1" %)
1506 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1507
1508
1509 (% _mstvisible="1" %)
1510 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1511
1512 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1513 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1514
1515
1516 (% _mstvisible="1" %)
1517 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1518
1519 (% _mstvisible="1" %)
1520 (((
1521 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1522 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1523 )))
1524
1525 (% _mstvisible="1" %)
1526 (((
1527 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1528 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.
1529 )))
1530
1531 (% _mstvisible="1" %)
1532 (((
1533 (% _mstvisible="2" %)
1534 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1535 )))
1536
1537 (% _mstvisible="1" %)
1538 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1539
1540
1541 (% _mstvisible="1" %)
1542 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1543
1544 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1545 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1546
1547 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1548 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1549
1550
1551 (% _mstvisible="1" %)
1552 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1553
1554 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1555 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1556
1557 (% _mstvisible="1" %)
1558 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1559
1560 (% _mstvisible="1" %)
1561 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1562
1563
1564 (% _mstvisible="1" %)
1565 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1566
1567 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1568 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1569
1570
1571 (% _mstvisible="1" %)
1572 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1573
1574 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1575 Feature: Print the sector data from start page to stop page (max is 416 pages).
1576
1577 (% _mstvisible="1" %)
1578 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1579
1580 (% _mstvisible="1" %)
1581 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1582
1583
1584 (% _mstvisible="1" %)
1585 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1586
1587 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1588 No downlink commands for feature
1589
1590
1591 (% _mstvisible="1" %)
1592 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1593
1594 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1595 Feature: Print the last few data entries
1596
1597 (% _mstvisible="1" %)
1598 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1599
1600 (% _mstvisible="1" %)
1601 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1602
1603
1604 (% _mstvisible="1" %)
1605 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1606
1607 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1608 No downlink commands for feature
1609
1610
1611 (% _mstvisible="1" %)
1612 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1613
1614 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1615 Feature: Clear flash storage for data log feature.
1616
1617 (% _mstvisible="1" %)
1618 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1619
1620 (% _mstvisible="1" %)
1621 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1622
1623
1624 (% _mstvisible="1" %)
1625 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1626
1627 (% _mstvisible="1" %)
1628 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1629
1630
1631
1632
1633 (% _mstvisible="1" %)
1634 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1635
1636 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1637 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.
1638
1639
1640 (% _mstvisible="1" %)
1641 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1642
1643 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1644 The default factory setting is 0
1645
1646 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1647 (% _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**
1648 (% _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
1649
1650 (% _mstvisible="1" %)
1651 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1652
1653 (% _mstvisible="1" %)
1654 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1655
1656
1657
1658
1659 (% _mstvisible="1" %)
1660 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1661
1662 (% _mstvisible="1" %)
1663 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1664
1665 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1666 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.
1667
1668 (% _mstvisible="1" %)
1669 (((
1670 (% _mstvisible="2" %)
1671 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1672 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1673 )))
1674
1675 (% _mstvisible="1" %)
1676 (((
1677 (% _mstvisible="2" %)
1678 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1679
1680 )))
1681
1682 (% _mstvisible="1" %)
1683 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1684
1685 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1686 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.
1687
1688 (% _mstvisible="1" %)
1689 [[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"]]
1690
1691
1692 (% _mstvisible="1" %)
1693 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1694
1695 (% _mstvisible="1" %)
1696 (((
1697 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1698 (((
1699 (% _msthash="736723" _msttexthash="35479028" %)
1700 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:
1701 [[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]]
1702 )))
1703
1704 (((
1705
1706 )))
1707
1708 (((
1709 (% _msthash="736724" _msttexthash="12045098" %)
1710 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]]
1711 )))
1712
1713
1714 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1715 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1716
1717 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1718 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1719
1720 (((
1721 (% _msthash="736725" _msttexthash="9345674" %)
1722 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.
1723 )))
1724
1725 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1726
1727
1728 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1729
1730 (% _msthash="506062" _msttexthash="1187732" %)
1731 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1732
1733 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1734
1735 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1736
1737 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1738
1739
1740 (((
1741 (% _msthash="736726" _msttexthash="67213055" %)
1742 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.
1743 )))
1744
1745 (((
1746 (% _msthash="736727" _msttexthash="1907009" %)
1747 Input password and ATZ to activate LHT65N,As shown below:
1748 )))
1749
1750 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1751
1752
1753 (% _msthash="506066" _msttexthash="544869" %)
1754 AT Command List is as below:
1755
1756 (% _msthash="506067" _msttexthash="361920" %)
1757 AT+<CMD>? :  Help on <CMD>
1758
1759 (% _msthash="506068" _msttexthash="243061" %)
1760 AT+<CMD> :  Run <CMD>
1761
1762 (% _msthash="506069" _msttexthash="704197" %)
1763 AT+<CMD>=<value> :  Set the value
1764
1765 (% _msthash="506070" _msttexthash="455676" %)
1766 AT+<CMD>=? :  Get the value
1767
1768 (% _msthash="506071" _msttexthash="670553" %)
1769 AT+DEBUG:  Set more info output
1770
1771 (% _msthash="506072" _msttexthash="485888" %)
1772 ATZ:  Trig a reset of the MCU
1773
1774 (% _msthash="506073" _msttexthash="2068872" %)
1775 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1776
1777 (% _msthash="506074" _msttexthash="689169" %)
1778 AT+DEUI:  Get or Set the Device EUI
1779
1780 (% _msthash="506075" _msttexthash="960414" %)
1781 AT+DADDR:  Get or Set the Device Address
1782
1783 (% _msthash="506076" _msttexthash="1079897" %)
1784 AT+APPKEY:  Get or Set the Application Key
1785
1786 (% _msthash="506077" _msttexthash="1326143" %)
1787 AT+NWKSKEY:  Get or Set the Network Session Key
1788
1789 (% _msthash="506078" _msttexthash="1573000" %)
1790 AT+APPSKEY:  Get or Set the Application Session Key
1791
1792 (% _msthash="506079" _msttexthash="1041729" %)
1793 AT+APPEUI:  Get or Set the Application EUI
1794
1795 (% _msthash="506080" _msttexthash="2104206" %)
1796 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1797
1798 (% _msthash="506081" _msttexthash="3369288" %)
1799 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1800
1801 (% _msthash="506082" _msttexthash="1894529" %)
1802 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1803
1804 (% _msthash="506083" _msttexthash="3864172" %)
1805 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1806
1807 (% _msthash="506084" _msttexthash="1712204" %)
1808 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1809
1810 (% _msthash="506085" _msttexthash="1281202" %)
1811 AT+RX2FQ:  Get or Set the Rx2 window frequency
1812
1813 (% _msthash="506086" _msttexthash="2796781" %)
1814 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1815
1816 (% _msthash="506087" _msttexthash="3285165" %)
1817 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1818
1819 (% _msthash="506088" _msttexthash="3286179" %)
1820 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1821
1822 (% _msthash="506089" _msttexthash="4703803" %)
1823 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1824
1825 (% _msthash="506090" _msttexthash="4704999" %)
1826 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1827
1828 (% _msthash="506091" _msttexthash="1528683" %)
1829 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1830
1831 (% _msthash="506092" _msttexthash="757185" %)
1832 AT+NWKID:  Get or Set the Network ID
1833
1834 (% _msthash="506093" _msttexthash="1156597" %)
1835 AT+FCU:  Get or Set the Frame Counter Uplink
1836
1837 (% _msthash="506094" _msttexthash="1273987" %)
1838 AT+FCD:  Get or Set the Frame Counter Downlink
1839
1840 (% _msthash="506095" _msttexthash="859222" %)
1841 AT+CLASS:  Get or Set the Device Class
1842
1843 (% _msthash="506096" _msttexthash="384852" %)
1844 AT+JOIN:  Join network
1845
1846 (% _msthash="506097" _msttexthash="548626" %)
1847 AT+NJS:  Get the join status
1848
1849 (% _msthash="506098" _msttexthash="2546206" %)
1850 AT+SENDB:  Send hexadecimal data along with the application port
1851
1852 (% _msthash="506099" _msttexthash="1932307" %)
1853 AT+SEND:  Send text data along with the application port
1854
1855 (% _msthash="506100" _msttexthash="3560557" %)
1856 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1857
1858 (% _msthash="506101" _msttexthash="1429701" %)
1859 AT+RECV:  Print last received data in raw format
1860
1861 (% _msthash="506102" _msttexthash="1735981" %)
1862 AT+VER:  Get current image version and Frequency Band
1863
1864 (% _msthash="506103" _msttexthash="1189474" %)
1865 AT+CFM:  Get or Set the confirmation mode (0-1)
1866
1867 (% _msthash="506104" _msttexthash="1718210" %)
1868 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1869
1870 (% _msthash="506105" _msttexthash="1339403" %)
1871 AT+SNR:  Get the SNR of the last received packet
1872
1873 (% _msthash="506106" _msttexthash="1452009" %)
1874 AT+RSSI:  Get the RSSI of the last received packet
1875
1876 (% _msthash="506107" _msttexthash="2768142" %)
1877 AT+TDC:  Get or set the application data transmission interval in ms
1878
1879 (% _msthash="506108" _msttexthash="1083914" %)
1880 AT+PORT:  Get or set the application port
1881
1882 (% _msthash="506109" _msttexthash="622440" %)
1883 AT+DISAT:  Disable AT commands
1884
1885 (% _msthash="506110" _msttexthash="868361" %)
1886 AT+PWORD: Set password, max 9 digits
1887
1888 (% _msthash="506111" _msttexthash="2210299" %)
1889 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1890
1891 (% _msthash="506112" _msttexthash="2113462" %)
1892 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1893
1894 (% _msthash="506113" _msttexthash="2087423" %)
1895 AT+PDTA:  Print the sector data from start page to stop page
1896
1897 (% _msthash="506114" _msttexthash="1063127" %)
1898 AT+PLDTA:  Print the last few sets of data
1899
1900 (% _msthash="506115" _msttexthash="1999426" %)
1901 AT+CLRDTA:  Clear the storage, record position back to 1st
1902
1903 (% _msthash="506116" _msttexthash="442130" %)
1904 AT+SLEEP:  Set sleep mode
1905
1906 (% _msthash="506117" _msttexthash="1080222" %)
1907 AT+EXT:  Get or Set external sensor model
1908
1909 (% _msthash="506118" _msttexthash="1309490" %)
1910 AT+BAT:  Get the current battery voltage in mV
1911
1912 (% _msthash="506119" _msttexthash="813891" %)
1913 AT+CFG:  Print all configurations
1914
1915 (% _msthash="506120" _msttexthash="551707" %)
1916 AT+WMOD:  Get or Set Work Mode
1917
1918 (% _msthash="506121" _msttexthash="2631499" %)
1919 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1920
1921 (% _msthash="506122" _msttexthash="3907150" %)
1922 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1923
1924 (% _msthash="506123" _msttexthash="854620" %)
1925 AT+SETCNT:  Set the count at present
1926
1927 (% _msthash="506124" _msttexthash="2554877" %)
1928 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1929
1930 (% _msthash="506125" _msttexthash="771849" %)
1931 AT+RPL:  Get or set response level
1932
1933 (% _msthash="506126" _msttexthash="1484314" %)
1934 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1935
1936 (% _msthash="506127" _msttexthash="741728" %)
1937 AT+LEAPSEC:  Get or Set Leap Second
1938
1939 (% _msthash="506128" _msttexthash="1694017" %)
1940 AT+SYNCMOD:  Get or Set time synchronization method
1941
1942 (% _msthash="506129" _msttexthash="2235948" %)
1943 AT+SYNCTDC:  Get or set time synchronization interval in day
1944
1945 (% _msthash="506130" _msttexthash="425542" %)
1946 AT+PID:  Get or set the PID
1947
1948
1949 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1950
1951 (% _msthash="506131" _msttexthash="14585714" %)
1952 AT commands：
1953
1954 [[image:image-20220620153708-1.png||height="603" width="723"]]
1955
1956 (% _msthash="506132" _msttexthash="337922" %)
1957 Downlink commands:
1958
1959
1960 (% _msthash="506133" _msttexthash="33046" %)
1961 **TTN:**
1962
1963 [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1964
1965
1966 (% _msthash="506134" _msttexthash="11113791" %)
1967 **Helium：**
1968
1969 [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1970
1971
1972 (% _msthash="506135" _msttexthash="4159844" %)
1973 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1974
1975 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1976
1977 [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1978
1979
1980 (% _msthash="506136" _msttexthash="39286" %)
1981 **Aws:**
1982
1983 [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1984
1985
1986 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1987
1988 [[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"]]
1989
1990
1991 (% _msthash="536757" _msttexthash="1874951" %)
1992 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
1993
1994 [[image:image-20220615153355-1.png]]
1995
1996 [[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1997
1998 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1999
2000 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2001
2002 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2003
2004
2005 To switch from download mode to command mode, press reset key
2006
2007
2008 (((
2009 (% _msthash="736728" _msttexthash="67213055" %)
2010 (((
2011 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.
2012 )))
2013 )))
2014
2015 (((
2016 (% _msthash="736729" _msttexthash="1907009" %)
2017 Input password and ATZ to activate LHT65N,As shown below:
2018
2019 [[image:image-20220615154519-3.png||height="672" width="807"]]
2020
2021
2022 )))
2023
2024 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
2025
2026
2027 [[image:image-20220615153355-1.png]]
2028
2029 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2030
2031 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2032
2033 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2034
2035 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2036
2037 [[image:image-20220620160241-6.jpeg||height="428" width="571"]]
2038
2039 Press reset after connecting the 4boot cable to enter the download mode.
2040
2041 [[image:image-20220620160516-7.png||height="435" width="435"]]
2042
2043
2044 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2045
2046 [[image:image-20220615170542-5.png]]
2047
2048
2049 (% _msthash="506146" _msttexthash="52173160" %)
2050 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2051
2052
2053 (% _msthash="506147" _msttexthash="188083584" %)
2054 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2055
2056 [[image:image-20220615171334-6.png]]
2057
2058
2059 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2060
2061 [[image:image-20220620160723-8.png]]
2062
2063
2064 )))
2065
2066 (% _mstvisible="1" %)
2067 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2068
2069 (% _mstvisible="1" %)
2070 (((
2071 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2072 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2073 )))
2074
2075 (% _mstvisible="1" %)
2076 (((
2077 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2078 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2079 )))
2080
2081 (% _mstvisible="1" %)
2082 * (% _mstvisible="3" %)
2083 (((
2084 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2085 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2086 )))
2087 * (% _mstvisible="3" %)
2088 (((
2089 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2090 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2091 )))
2092 * (% _mstvisible="3" %)
2093 (((
2094 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2095 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2096 )))
2097 * (% _mstvisible="3" %)
2098 (((
2099 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2100 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2101 )))
2102 * (% _mstvisible="3" %)
2103 (((
2104 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2105 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2106 )))
2107 * (% _mstvisible="3" %)
2108 (((
2109 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2110 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2111 )))
2112 * (% _mstvisible="3" %)
2113 (((
2114 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2115 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2116 )))
2117 * (% _mstvisible="3" %)
2118 (((
2119 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2120 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2121 )))
2122
2123 (% _mstvisible="1" %)
2124 (((
2125 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2126 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2127 )))
2128
2129 (% _mstvisible="1" %)
2130 * (% _mstvisible="3" %)
2131 (((
2132 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2133 (% style="color:red" %)**E3**(%%): External Temperature Probe
2134
2135
2136 )))
2137
2138 (% _mstvisible="1" %)
2139 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2140
2141 (% _mstvisible="1" %)
2142 (((
2143 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2144
2145
2146 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2147 (% _mstvisible="3" %)**Package Includes**(%%):
2148 )))
2149
2150 (% _mstvisible="1" %)
2151 * (% _mstvisible="3" %)
2152 (((
2153 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2154 LHT65N Temperature & Humidity Sensor x 1
2155 )))
2156 * (% _mstvisible="3" %)
2157 (((
2158 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2159 Optional external sensor
2160 )))
2161
2162 (% _mstvisible="1" %)
2163 (((
2164 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2165 (% _mstvisible="3" %)**Dimension and weight**(%%):
2166 )))
2167
2168 (% _mstvisible="1" %)
2169 * (% _mstvisible="3" %)
2170 (((
2171 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2172 Device Size:  10 x 10 x 3.5 cm
2173 )))
2174 * (% _mstvisible="3" %)
2175 (((
2176 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2177 Device Weight: 120.5g
2178 )))
2179
2180 (% _mstvisible="3" %)
2181 (((
2182
2183 )))
2184
2185 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2186
2187 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2188
2189
2190
2191
2192 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2193
2194 (% _mstvisible="1" %)
2195 (((
2196 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2197 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2198 )))
2199
2200 (% _mstvisible="1" %)
2201 (((
2202 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2203 (1) This device may not cause harmful interference；
2204 )))
2205
2206 (% _mstvisible="1" %)
2207 (((
2208 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2209 (2) this device must accept any interference received, including interference that may cause undesired operation.
2210 )))