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Version 166.16 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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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?(%%) ==
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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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208 * (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
209 * (% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
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212 (((
213 (% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
214 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
215 )))
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217 (% _mstvisible="1" %)
218 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
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220 (% _mstvisible="1" %)
221 [[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
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224 (% _mstvisible="1" %)
225 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
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227 (% _msthash="315240" _msttexthash="9205482" _mstvisible="1" class="wikigeneratedid" %)
228 This section shows an example of how to join the TTN V3 LoRaWAN IoT server. Use with other LoRaWAN IoT servers is of a similar procedure.
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230 (% _mstvisible="1" class="wikigeneratedid" %)
231 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
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233 (% _msthash="315241" _msttexthash="10802155" _mstvisible="1" %)
234 Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network||_mstvisible="2"]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
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237 (% _mstvisible="1" %)
238 === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
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240 (% _msthash="315242" _msttexthash="1601782" _mstvisible="1" %)
241 Create a device in TTN V3 with the OTAA keys from LHT65N.
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243 (% _msthash="315243" _msttexthash="3694444" _mstvisible="1" %)
244 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
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246 (% _mstvisible="1" %)
247 [[image:image-20220617150003-1.jpeg]]
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249 (% _msthash="315244" _msttexthash="3659149" _mstvisible="1" %)
250 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
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252 (% _msthash="315245" _msttexthash="642889" _mstvisible="1" %)
253 Add APP EUI in the application.
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255 (% _mstvisible="1" %)
256 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
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258 (% _mstvisible="1" %)
259 [[image:image-20220522232932-4.png||_mstalt="430157" _mstvisible="3"]]
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261 (% _mstvisible="1" %)
262 [[image:image-20220522232954-5.png||_mstalt="431847" _mstvisible="3"]]
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264 (% _msthash="315246" _msttexthash="878800" _mstvisible="1" %)
265 Note: LHT65N use same payload as LHT65.
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267 (% _mstvisible="1" %)
268 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
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271 (% _msthash="315247" _msttexthash="595543" _mstvisible="1" %)
272 Input APP EUI,  APP KEY and DEV EUI:
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274 (% _mstvisible="1" %)
275 [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
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279 (% _mstvisible="1" %)
280 === (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
281
282 (% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
283 Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
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285 (% _mstvisible="1" %)
286 [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
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290 (% _mstvisible="1" %)
291 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
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293 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
294 The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% _mstvisible="3" style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
295
296 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
297 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
298
299 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
300 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
301 (((
302 (% _mstvisible="6" %)
303 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
304 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
305 (((
306 (% _mstvisible="6" %)
307 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
308 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
309 (((
310 (% _mstvisible="6" %)
311 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
312 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
313 (((
314 (% _mstvisible="6" %)
315 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
316 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
317 (((
318 (% _mstvisible="6" %)
319 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
320 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
321 (((
322 (% _mstvisible="6" %)
323 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
324 )))
325 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
326 (((
327 (% _mstvisible="6" %)
328 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
329 )))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
330 (((
331 (% _mstvisible="6" %)
332 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
333 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
334 (((
335 (% _mstvisible="6" %)
336 (((
337 (% _mstvisible="7" %)
338 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
339 )))
340 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
341 (((
342 (% _mstvisible="6" %)
343 (((
344 (% _mstvisible="7" %)
345 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
346 )))
347
348 (% _mstvisible="6" %)
349 (((
350 (% _mstvisible="7" %)
351 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
352 )))
353 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
354 (((
355 (% _mstvisible="6" %)
356 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
357 )))|(% _mstvisible="4" style="width:51px" %)(% _mstvisible="5" %)
358 (((
359 (% _mstvisible="6" %)
360 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
361 )))
362
363 (% _mstvisible="1" %)
364 * The First 6 bytes: has fix meanings for every LHT65N.
365 * The 7th byte (EXT #): defines the external sensor model.
366 * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
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371 (% _mstvisible="1" %)
372 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
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374 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
375 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.
376
377 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
378 Below is the position to put the decoder and LHT65N decoder can be download from here:
379
380 (% _mstvisible="1" %)
381 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
382
383 (% _mstvisible="1" %)
384 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
385
386
387
388 (% _mstvisible="1" %)
389 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
390
391 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
392 These two bytes of BAT include the battery state and the actually voltage
393
394 (% _mstvisible="1" %)
395 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
396
397 (% _mstvisible="1" %)
398 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
399
400 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
401 Check the battery voltage for LHT65N.
402
403 (% _mstvisible="1" %)
404 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
405 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
406
407
408
409
410 (% _mstvisible="1" %)
411 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
412
413 (% _mstvisible="1" %)
414 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
415
416 (% _mstvisible="1" %)
417 * Temperature:  0x0ABB/100=27.47℃
418
419 (% _mstvisible="1" %)
420 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
421
422 (% _mstvisible="1" %)
423 * Temperature:  (0xF5C6-65536)/100=-26.18℃
424
425
426
427
428 (% _mstvisible="1" %)
429 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
430
431 (% _mstvisible="1" %)
432 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
433
434 (% _mstvisible="1" %)
435 * Humidity:    0x025C/10=60.4%
436
437
438
439
440 (% _mstvisible="1" %)
441 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
442
443 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
444 Bytes for External Sensor:
445
446 (% _mstvisible="1" %)
447 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
448
449
450 (% _mstvisible="1" %)
451 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
452
453 (% _mstvisible="1" %)
454 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
455
456 (% _mstvisible="1" %)
457 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
458
459
460 (% _mstvisible="1" %)
461 * DS18B20 temp=0x0ADD/100=27.81℃
462
463 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
464 The last 2 bytes of data are meaningless
465
466 (% _mstvisible="1" %)
467 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
468
469
470 (% _mstvisible="1" %)
471 * External temperature= (0xF54F-65536)/100=-27.37℃
472
473 (% _mstvisible="1" %)
474 (((
475 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
476 The last 2 bytes of data are meaningless
477 )))
478
479 (% _mstvisible="1" %)
480 (((
481 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
482 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
483 )))
484
485
486 (% _mstvisible="1" %)
487 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
488
489 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
490 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:
491
492 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
493 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
494 (((
495 (% _mstvisible="6" %)
496 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
497 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
498 (((
499 (% _mstvisible="6" %)
500 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
501 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
502 (((
503 (% _mstvisible="6" %)
504 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
505 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
506 (((
507 (% _mstvisible="6" %)
508 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
509 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
510 (((
511 (% _mstvisible="6" %)
512 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
513 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
514 (((
515 (% _mstvisible="6" %)
516 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
517 )))
518 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
519 (((
520 (% _mstvisible="6" %)
521 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
522 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
523 (((
524 (% _mstvisible="6" %)
525 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
526 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
527 (((
528 (% _mstvisible="6" %)
529 (((
530 (% _mstvisible="7" %)
531 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
532 )))
533
534 (% _mstvisible="6" %)
535 (((
536 (% _mstvisible="7" %)
537 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
538 )))
539 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
540 (((
541 (% _mstvisible="6" %)
542 (((
543 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
544 BAT Status &
545 )))
546
547 (% _mstvisible="6" %)
548 (((
549 (% _mstvisible="7" %)
550 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
551 )))
552 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
553 (((
554 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
555 Status & Ext
556 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
557 (((
558 (% _mstvisible="6" %)
559 (((
560 (% _mstvisible="7" %)
561 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
562 )))
563 )))
564
565 (% _mstvisible="1" %)
566 * (% _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**
567
568 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
569 (% _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]
570 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
571 (((
572 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
573 BAT Status
574
575 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
576 00(b): Ultra Low ( BAT <= 2.50v)
577
578 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
579 01(b): Low  (2.50v <=BAT <= 2.55v)
580
581 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
582 10(b): OK   (2.55v <= BAT <=2.65v)
583
584 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
585 11(b): Good   (BAT >= 2.65v)
586 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
587 (((
588 (% _mstvisible="6" %)
589 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
590
591 (% _mstvisible="6" %)
592
593 )))
594
595 (% _mstvisible="1" %)
596 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
597
598 (% _mstvisible="1" %)
599 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
600
601 (% _mstvisible="1" %)
602 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
603 * 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.
604 * 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)
605
606
607
608
609 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
610
611 In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
612
613 be used to power the external ADC sensor; user can control the power on time for this
614
615 sensor by setting:
616
617 AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
618
619
620
621 (% _mstvisible="1" %)
622 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
623
624 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
625 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:
626
627 (% _mstvisible="1" %)
628 (((
629 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
630 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
631 )))
632
633 (% _mstvisible="1" %)
634 (((
635 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
636 (% _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.
637 )))
638
639 (% _mstvisible="1" %)
640 (((
641 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
642 Add Datacake:
643 )))
644
645 (% _mstvisible="1" %)
646 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
647
648
649 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
650 Select default key as Access Key:
651
652 (% _mstvisible="1" %)
653 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
654
655 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
656 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
657
658 (% _mstvisible="1" %)
659 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
660
661 (% _mstvisible="1" %)
662 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
663
664
665
666 (% _mstvisible="1" %)
667 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
668
669 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
670 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.
671
672
673 (% _mstvisible="1" %)
674 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
675
676 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
677 There are two methods:
678
679 (% _mstvisible="1" %)
680 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
681 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.
682
683
684
685
686 (% _mstvisible="1" %)
687 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
688
689 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
690 LHT65N uses Unix TimeStamp format based on
691
692 (% _mstvisible="1" %)
693 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
694
695
696 (% _mstvisible="1" %)
697 (((
698 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
699 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
700 )))
701
702 (% _mstvisible="1" %)
703 (((
704 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
705 Below is the converter example
706 )))
707
708 (% _mstvisible="1" %)
709 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
710
711 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
712 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
713
714
715 (% _mstvisible="1" %)
716 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
717
718 (% _mstvisible="1" %)
719 (((
720 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
721 There are two ways to set device’s time:
722 )))
723
724 (% _mstvisible="1" %)
725 (((
726 (% _mstvisible="2" %)
727 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
728 )))
729
730 (% _mstvisible="1" %)
731 (((
732 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
733 User need to set SYNCMOD=1 to enable sync time via MAC command.
734 )))
735
736 (% _mstvisible="1" %)
737 (((
738 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
739 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).
740 )))
741
742 (% _mstvisible="1" %)
743 (((
744 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
745 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.
746 )))
747
748 (% _mstvisible="1" %)
749 (((
750 (% _mstvisible="2" %)
751
752 )))
753
754 (% _mstvisible="1" %)
755 (((
756 (% _mstvisible="2" %)
757 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
758 )))
759
760 (% _mstvisible="1" %)
761 (((
762 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
763 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
764
765 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
766
767 )))
768
769 (% _mstvisible="1" %)
770 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
771
772 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
773 User can poll sensor value based on timestamps from the server. Below is the downlink command.
774
775 (% _mstvisible="1" %)
776 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
777
778 (% _mstvisible="1" %)
779 (((
780 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
781 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.
782 )))
783
784 (% _mstvisible="1" %)
785 (((
786 (% _mstvisible="2" %)
787 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
788 )))
789
790 (% _mstvisible="1" %)
791 (((
792 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
793 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
794 )))
795
796 (% _mstvisible="1" %)
797 (((
798 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
799 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
800 )))
801
802
803 (% _mstvisible="1" %)
804 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
805
806 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
807 The Datalog poll reply uplink will use below payload format.
808
809 (% _mstvisible="1" %)
810 (((
811 (% _mstvisible="2" %)
812 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
813 )))
814
815 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
816 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
817 (((
818 (% _mstvisible="6" %)
819 (((
820 (% _mstvisible="7" %)
821 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
822 )))
823 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
824 (((
825 (% _mstvisible="6" %)
826 (((
827 (% _mstvisible="7" %)
828 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
829 )))
830 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
831 (((
832 (% _mstvisible="6" %)
833 (((
834 (% _mstvisible="7" %)
835 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
836 )))
837 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
838 (((
839 (% _mstvisible="6" %)
840 (((
841 (% _mstvisible="7" %)
842 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
843 )))
844 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
845 (((
846 (% _mstvisible="6" %)
847 (((
848 (% _mstvisible="7" %)
849 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
850 )))
851 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
852 (((
853 (% _mstvisible="6" %)
854 (((
855 (% _mstvisible="7" %)
856 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
857 )))
858 )))
859 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
860 (((
861 (% _mstvisible="6" %)
862 (((
863 (% _mstvisible="7" %)
864 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
865 )))
866 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
867 (((
868 (% _mstvisible="6" %)
869 (((
870 (% _mstvisible="7" %)
871 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
872 )))
873 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
874 (((
875 (% _mstvisible="6" %)
876 (((
877 (% _mstvisible="7" %)
878 (((
879 (% _mstvisible="8" %)
880 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
881 )))
882 )))
883
884 (% _mstvisible="6" %)
885 (((
886 (% _mstvisible="7" %)
887 (((
888 (% _mstvisible="8" %)
889 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
890 )))
891 )))
892 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
893 (((
894 (% _mstvisible="6" %)
895 (((
896 (% _mstvisible="7" %)
897 (((
898 (% _mstvisible="8" %)
899 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
900 )))
901 )))
902
903 (% _mstvisible="6" %)
904 (((
905 (% _mstvisible="7" %)
906 (((
907 (% _mstvisible="8" %)
908 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
909 )))
910 )))
911 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
912 (((
913 (% _mstvisible="6" %)
914 (((
915 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
916 Poll message flag & Ext
917 )))
918 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
919 (((
920 (% _mstvisible="6" %)
921 (((
922 (% _mstvisible="7" %)
923 (((
924 (% _mstvisible="8" %)
925 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
926 )))
927 )))
928
929 (% _mstvisible="6" %)
930 (((
931 (% _mstvisible="7" %)
932 (((
933 (% _mstvisible="8" %)
934
935 )))
936 )))
937 )))
938
939 (% _mstvisible="1" %)
940 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
941
942 (% _mstvisible="1" %)
943 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
944
945 (% _mstvisible="1" %)
946 (((
947 (% _mstvisible="2" %)
948 (((
949 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
950 Poll Message Flag: 1: This message is a poll message reply.
951 )))
952 )))
953
954 (% _mstvisible="1" %)
955 * (% _mstvisible="3" %)
956 (((
957 (% _mstvisible="4" %)
958 (((
959 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
960 Poll Message Flag is set to 1.
961 )))
962 )))
963 * (% _mstvisible="3" %)
964 (((
965 (% _mstvisible="4" %)
966 (((
967 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
968 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
969 )))
970 )))
971
972 (% _mstvisible="1" %)
973 (((
974 (% _mstvisible="2" %)
975 (((
976 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
977
978
979 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
980 For example, in US915 band, the max payload for different DR is:
981 )))
982 )))
983
984 (% _mstvisible="1" %)
985 (((
986 (% _mstvisible="2" %)
987 (((
988 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
989 a) DR0: max is 11 bytes so one entry of data
990 )))
991 )))
992
993 (% _mstvisible="1" %)
994 (((
995 (% _mstvisible="2" %)
996 (((
997 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
998 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
999 )))
1000 )))
1001
1002 (% _mstvisible="1" %)
1003 (((
1004 (% _mstvisible="2" %)
1005 (((
1006 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
1007 c) DR2: total payload includes 11 entries of data
1008 )))
1009 )))
1010
1011 (% _mstvisible="1" %)
1012 (((
1013 (% _mstvisible="2" %)
1014 (((
1015 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
1016 d) DR3: total payload includes 22 entries of data.
1017 )))
1018 )))
1019
1020 (% _mstvisible="1" %)
1021 (((
1022 (% _mstvisible="2" %)
1023 (((
1024 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1025 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1026 )))
1027 )))
1028
1029
1030 (% _mstvisible="1" style="text-align: left;" %)
1031 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1032
1033 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1034 If LHT65N has below data inside Flash:
1035
1036 (% _mstvisible="1" %)
1037 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1038
1039 (% _mstvisible="1" %)
1040 (((
1041 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1042 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1043 )))
1044
1045 (% _mstvisible="1" %)
1046 (((
1047 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1048 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1049 )))
1050
1051 (% _mstvisible="1" %)
1052 (((
1053 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1054 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1055 )))
1056
1057 (% _mstvisible="1" %)
1058 (((
1059 (% _mstvisible="2" %)
1060
1061 )))
1062
1063 (% _mstvisible="1" %)
1064 (((
1065 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1066 LHT65N will uplink this payload.
1067 )))
1068
1069 (% _mstvisible="1" %)
1070 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1071
1072 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1073 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1074
1075 (% _msthash="315237" _msttexthash="1385839" %)
1076 Where the first 11 bytes is for the first entry:
1077
1078 (% _msthash="315238" _msttexthash="274846" %)
1079 7FFF089801464160065F97
1080
1081 (% _msthash="315239" _msttexthash="617435" %)
1082 Ext sensor data=0x7FFF/100=327.67
1083
1084 (% _msthash="315240" _msttexthash="270543" %)
1085 Temp=0x0898/100=22.00
1086
1087 (% _msthash="315241" _msttexthash="211783" %)
1088 Hum=0x0146/10=32.6
1089
1090 (% _msthash="315242" _msttexthash="1569776" %)
1091 poll message flag & Ext=0x41,means reply data,Ext=1
1092
1093 (% _msthash="315243" _msttexthash="1120509" %)
1094 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1095
1096
1097 (% _mstvisible="1" style="text-align: left;" %)
1098 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1099
1100 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1101 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.
1102
1103 (% _mstvisible="1" %)
1104 (((
1105 (% _mstvisible="2" style="text-align: left;" %)
1106 (% _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.
1107 )))
1108
1109 (% _mstvisible="1" style="text-align: left;" %)
1110 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1111
1112 (% _mstvisible="1" class="box infomessage" %)
1113 (((
1114 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1115 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%):  Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1116
1117 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1118 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%):  The interval between checking the alarm temperature. (In minutes)
1119
1120 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1121 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%):  Gets or sets the alarm range of the internal temperature sensor
1122
1123 (% _mstvisible="2" style="text-align: left;" %)
1124 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%):  Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1125
1126 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1127 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%):  Set the internal temperature sensor alarm range from 45 to 105.
1128 )))
1129
1130
1131
1132 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1133 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1134
1135 (% _mstvisible="1" %)
1136 (((
1137 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1138 The LHT65 has a triple color LED which for easy showing different stage .
1139
1140 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1141 While user press ACT button, the LED will work as per LED status with ACT button.
1142 )))
1143
1144 (% _mstvisible="1" %)
1145 (((
1146 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1147 In a normal working state:
1148 )))
1149
1150 (% _mstvisible="1" %)
1151 * (% _mstvisible="3" %)
1152 (((
1153 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1154 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1155
1156 (% _msthash="197771" _msttexthash="1202526" %)
1157 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1158 )))
1159 * (% _mstvisible="3" %)
1160 (((
1161 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1162 RED LED when external sensor is not connected
1163 )))
1164 * (% _mstvisible="3" %)
1165 (((
1166 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1167 For each success downlink, the PURPLE LED will blink once
1168
1169
1170
1171 )))
1172
1173 (% _mstvisible="1" style="text-align: left;" %)
1174 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1175
1176 (% _mstvisible="1" %)
1177 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1178
1179
1180 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1181 = (% _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(%%) =
1182
1183 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1184 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1185
1186 [[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1187
1188 1m long breakout cable for LHT65N
1189
1190 [[image:image-20220619092421-3.png||height="371" width="529"]]
1191
1192
1193
1194 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1195 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1196
1197 (% _mstvisible="1" %)
1198 [[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"]]
1199
1200
1201 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1202 Temperature sensor with 2 meters cable long
1203
1204 (% _mstvisible="1" %)
1205 * Resolution: 0.0625 °C
1206 * ±0.5°C accuracy from -10°C to +85°C
1207 * ±2°C accuracy from -55°C to +125°C
1208 * Operating Range: -40 ~~ 125 °C
1209 * -55°C to 125°C
1210 * Working voltage 2.35v ~~ 5v
1211
1212
1213
1214
1215 (% _mstvisible="1" style="text-align: left;" %)
1216 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1217
1218 (% _mstvisible="1" %)
1219 (((
1220 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1221 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1222 )))
1223
1224 (% _mstvisible="1" %)
1225 * (% _mstvisible="3" %)
1226 (((
1227 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1228 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1229 )))
1230 * (% _mstvisible="3" %)
1231 (((
1232 (% _msthash="903319" _msttexthash="3225859" _mstvisible="4" %)
1233 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1234 )))
1235
1236 (% _mstvisible="1" %)
1237 (((
1238 (% _mstvisible="2" style="text-align: left;" %)
1239
1240 )))
1241
1242 (% _mstvisible="1" %)
1243 (((
1244 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1245 There are two kinds of commands to configure LHT65N, they are:
1246 )))
1247
1248 (% _mstvisible="1" %)
1249 (((
1250 (% _mstvisible="2" style="text-align: left;" %)
1251 (% _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" %).
1252 )))
1253
1254 (% _mstvisible="1" %)
1255 (((
1256 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1257 These commands are to configure:
1258 )))
1259
1260 (% _mstvisible="1" %)
1261 * (% _mstvisible="3" %)
1262 (((
1263 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1264 General system settings like: uplink interval.
1265 )))
1266 * (% _mstvisible="3" %)
1267 (((
1268 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1269 LoRaWAN protocol & radio-related commands.
1270 )))
1271
1272 (% _mstvisible="1" %)
1273 (((
1274 (% _msthash="506251" _msttexthash="12349142" _mstvisible="2" style="text-align: left;" %)
1275 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]]
1276 )))
1277
1278 (% _mstvisible="1" %)
1279 (((
1280 (% _mstvisible="2" style="text-align: left;" %)
1281
1282 )))
1283
1284 (% _mstvisible="1" %)
1285 (((
1286 (% _mstvisible="2" style="text-align: left;" %)
1287 (% _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _mstmutation="1" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**Commands special design for LHT65N**
1288 )))
1289
1290 (% _mstvisible="1" %)
1291 (((
1292 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1293 These commands are only valid for LHT65N, as below:
1294
1295
1296 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1297
1298 )))
1299
1300 (% _mstvisible="1" style="text-align: left;" %)
1301 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1302
1303 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1304 Feature: Change LoRaWAN End Node Transmit Interval.
1305
1306 (% _mstvisible="1" style="text-align: left;" %)
1307 (% _msthash="315244" _msttexthash="241696" style="color:#4f81bd" %)**AT Command: AT+TDC**
1308
1309 (% _mstvisible="1" %)
1310 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1311
1312 (% _mstvisible="1" %)
1313 (((
1314 (% _mstvisible="2" style="text-align: left;" %)
1315
1316
1317 (% _mstvisible="2" style="text-align: left;" %)
1318 (% _msthash="506055" _msttexthash="381992" style="color:#4f81bd" %)**Downlink Command: 0x01**
1319 )))
1320
1321 (% _mstvisible="1" %)
1322 (((
1323 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1324 Format: Command Code (0x01) followed by 3 bytes time value.
1325 )))
1326
1327 (% _mstvisible="1" %)
1328 (((
1329 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1330 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1331 )))
1332
1333 (% _mstvisible="1" %)
1334 * (% _mstvisible="3" %)
1335 (((
1336 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1337 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1338 )))
1339 * (% _mstvisible="3" %)
1340 (((
1341 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1342 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1343
1344
1345 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1346
1347 )))
1348
1349 (% _mstvisible="1" style="text-align: left;" %)
1350 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1351
1352 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1353 Feature: Change External Sensor Mode.
1354
1355 (% _mstvisible="1" style="text-align: left;" %)
1356 (% _msthash="315245" _msttexthash="248118" style="color:#4f81bd" %)**AT Command: AT+EXT**
1357
1358 (% _mstvisible="1" %)
1359 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1360
1361 (% _mstvisible="1" %)
1362 (((
1363 (% _mstvisible="2" style="text-align: left;" %)
1364
1365
1366 (% _mstvisible="2" style="text-align: left;" %)
1367 (% _msthash="506056" _msttexthash="387855" style="color:#4f81bd" %)**Downlink Command: 0xA2**
1368 )))
1369
1370 (% _mstvisible="1" %)
1371 (((
1372 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1373 Total bytes: 2 ~~ 5 bytes
1374 )))
1375
1376 (% _mstvisible="1" %)
1377 (((
1378 (% _mstvisible="2" %)
1379 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1380 )))
1381
1382 (% _mstvisible="1" %)
1383 * (% _mstvisible="3" %)
1384 (((
1385 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1386 0xA201: Set external sensor type to E1
1387 )))
1388 * (% _mstvisible="3" %)
1389 (((
1390 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1391 0xA209: Same as AT+EXT=9
1392 )))
1393 * (% _mstvisible="3" %)
1394 (((
1395 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1396 0xA20702003c,Same as AT+SETCNT=60
1397
1398
1399 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1400
1401 )))
1402
1403 (% _mstvisible="1" style="text-align: left;" %)
1404 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1405
1406 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1407 Feature: If PID is enabled, device will send the temperature probe ID on:
1408
1409 (% _mstvisible="1" %)
1410 * First Packet after OTAA Join
1411 * Every 24 hours since the first packet.
1412
1413 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1414 PID is default set to disable (0)
1415
1416 (% _mstvisible="1" style="text-align: left;" %)
1417 (% _msthash="315246" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1418
1419 (% _mstvisible="1" %)
1420 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1421
1422
1423 (% _mstvisible="1" style="text-align: left;" %)
1424 (% _msthash="315247" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1425
1426 (% _mstvisible="1" %)
1427 * 0xA800  **~-~->** AT+PID=0
1428 * 0xA801     **~-~->** AT+PID=1
1429
1430
1431
1432
1433 (% _mstvisible="1" style="text-align: left;" %)
1434 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1435
1436 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1437 Feature: Set device password, max 9 digits
1438
1439 (% _mstvisible="1" style="text-align: left;" %)
1440 (% _msthash="315248" _msttexthash="295009" style="color:#4f81bd" %)**AT Command: AT+PWORD**
1441
1442 (% _mstvisible="1" %)
1443 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1444
1445 (% _mstvisible="1" %)
1446 (((
1447 (% _mstvisible="2" style="text-align: left;" %)
1448
1449
1450 (% _mstvisible="2" style="text-align: left;" %)
1451 (% _msthash="506057" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1452 )))
1453
1454 (% _mstvisible="1" %)
1455 (((
1456 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1457 No downlink command for this feature.
1458
1459 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1460
1461 )))
1462
1463 (% _mstvisible="1" style="text-align: left;" %)
1464 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1465
1466 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1467 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1468
1469 (% _mstvisible="1" style="text-align: left;" %)
1470 (% _msthash="315249" _msttexthash="289120" style="color:#4f81bd" %)**AT Command: AT+DISAT**
1471
1472 (% _mstvisible="1" %)
1473 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1474
1475
1476 (% _mstvisible="1" style="text-align: left;" %)
1477 (% _msthash="315250" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1478
1479 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1480 No downlink command for this feature.
1481
1482
1483 (% _mstvisible="1" style="text-align: left;" %)
1484 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1485
1486 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1487 Feature: Set device to sleep mode
1488
1489 * AT+Sleep=0  : Normal working mode, device will sleep and use lower power when there is no LoRa message
1490 * AT+Sleep=1 : Device is in deep sleep mode, no LoRa activation happen, used for storage or shipping.
1491
1492 (% _mstvisible="1" style="text-align: left;" %)
1493 (% _msthash="315251" _msttexthash="289783" style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1494
1495 (% _mstvisible="1" %)
1496 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1497
1498
1499 (% _mstvisible="1" %)
1500 (% _msthash="315252" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1501
1502 (% _mstvisible="1" %)
1503 * There is no downlink command to set to Sleep mode.
1504
1505
1506
1507
1508 (% _mstvisible="1" %)
1509 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1510
1511 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1512 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1513
1514 (% _mstvisible="1" %)
1515 (% _msthash="315253" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1516
1517 (% _mstvisible="1" %)
1518 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1519
1520
1521 (% _mstvisible="1" %)
1522 (% _msthash="315254" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1523
1524 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1525 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1526
1527
1528 (% _mstvisible="1" %)
1529 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1530
1531 (% _mstvisible="1" %)
1532 (((
1533 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1534 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1535 )))
1536
1537 (% _mstvisible="1" %)
1538 (((
1539 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1540 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.
1541 )))
1542
1543 (% _mstvisible="1" %)
1544 (((
1545 (% _mstvisible="2" %)
1546 (% _msthash="506058" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1547 )))
1548
1549 (% _mstvisible="1" %)
1550 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1551
1552
1553 (% _mstvisible="1" %)
1554 (% _msthash="315255" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1555
1556 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1557 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1558
1559 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1560 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1561
1562
1563 (% _mstvisible="1" %)
1564 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1565
1566 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1567 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1568
1569 (% _mstvisible="1" %)
1570 (% _msthash="315256" _msttexthash="137488" style="color:#4f81bd" %)**AT Command:**
1571
1572 (% _mstvisible="1" %)
1573 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1574
1575
1576 (% _mstvisible="1" %)
1577 (% _msthash="315257" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1578
1579 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1580 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1581
1582
1583 (% _mstvisible="1" %)
1584 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1585
1586 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1587 Feature: Print the sector data from start page to stop page (max is 416 pages).
1588
1589 (% _mstvisible="1" %)
1590 (% _msthash="315258" _msttexthash="264953" style="color:#4f81bd" %)**AT Command: AT+PDTA**
1591
1592 (% _mstvisible="1" %)
1593 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1594
1595
1596 (% _mstvisible="1" %)
1597 (% _msthash="315259" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1598
1599 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1600 No downlink commands for feature
1601
1602
1603 (% _mstvisible="1" %)
1604 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1605
1606 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1607 Feature: Print the last few data entries
1608
1609 (% _mstvisible="1" %)
1610 (% _msthash="315260" _msttexthash="288522" style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1611
1612 (% _mstvisible="1" %)
1613 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1614
1615
1616 (% _mstvisible="1" %)
1617 (% _msthash="315261" _msttexthash="298038" style="color:#4f81bd" %)**Downlink Command:**
1618
1619 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1620 No downlink commands for feature
1621
1622
1623 (% _mstvisible="1" %)
1624 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1625
1626 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1627 Feature: Clear flash storage for data log feature.
1628
1629 (% _mstvisible="1" %)
1630 (% _msthash="315262" _msttexthash="311415" style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1631
1632 (% _mstvisible="1" %)
1633 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1634
1635
1636 (% _mstvisible="1" %)
1637 (% _msthash="315263" _msttexthash="388193" style="color:#4f81bd" %)**Downlink Command: 0xA3**
1638
1639 (% _mstvisible="1" %)
1640 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1641
1642
1643
1644
1645 (% _mstvisible="1" %)
1646 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1647
1648 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1649 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.
1650
1651
1652 (% _mstvisible="1" %)
1653 (% _msthash="315264" _msttexthash="334256" style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1654
1655 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1656 The default factory setting is 0
1657
1658 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1659 (% _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**
1660 (% _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
1661
1662 (% _mstvisible="1" %)
1663 (% _msthash="315265" _msttexthash="383981" style="color:#4f81bd" %)**Downlink Command: 0x34**
1664
1665 (% _mstvisible="1" %)
1666 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1667
1668
1669
1670
1671 (% _mstvisible="1" %)
1672 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1673
1674 (% _mstvisible="1" %)
1675 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1676
1677 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1678 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.
1679
1680 (% _mstvisible="1" %)
1681 (((
1682 (% _mstvisible="2" %)
1683 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1684 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1685 )))
1686
1687 (% _mstvisible="1" %)
1688 (((
1689 (% _mstvisible="2" %)
1690 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1691
1692 )))
1693
1694 (% _mstvisible="1" %)
1695 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1696
1697 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1698 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.
1699
1700 (% _mstvisible="1" %)
1701 [[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"]]
1702
1703
1704 (% _mstvisible="1" %)
1705 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1706
1707 (% _mstvisible="1" %)
1708 (((
1709 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1710 (((
1711 (% _msthash="736723" _msttexthash="35479028" %)
1712 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:
1713 [[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]]
1714 )))
1715
1716 (((
1717
1718 )))
1719
1720 (((
1721 (% _msthash="736724" _msttexthash="12045098" %)
1722 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]]
1723 )))
1724
1725
1726 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1727 = (% _msthash="183170" _msttexthash="37921" _mstvisible="3" %)6. FAQ(%%) =
1728
1729 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1730 == (% _msthash="491075" _msttexthash="437463" %)6.1 How to use AT Command?(%%) ==
1731
1732 (((
1733 (% _msthash="736725" _msttexthash="9345674" %)
1734 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.
1735 )))
1736
1737 [[image:image-20220530085651-1.png||_mstalt="429949"]]
1738
1739
1740 (% _msthash="506061" _msttexthash="170755" %)**Connection:**
1741
1742 (% _msthash="506062" _msttexthash="1187732" %)
1743 **✓ (% style="background-color:yellow" %)USB to TTL GND <~-~->GND(%%)**
1744
1745 (% _msthash="506063" _msttexthash="1158313" %)**✓  **(% style="background-color:yellow" %)**USB to TTL RXD <~-~-> D+**
1746
1747 (% _msthash="506064" _msttexthash="1175629" %)**✓  **(% style="background-color:yellow" %)**USB to TTL TXD <~-~-> A11**
1748
1749 (% _msthash="506065" _msttexthash="1164696" %)**✓  **(% style="background-color:yellow" %)**USB to TTL 3.3V <~-~-> D-**
1750
1751
1752 (((
1753 (% _msthash="736726" _msttexthash="67213055" %)
1754 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.
1755 )))
1756
1757 (((
1758 (% _msthash="736727" _msttexthash="1907009" %)
1759 Input password and ATZ to activate LHT65N,As shown below:
1760 )))
1761
1762 [[image:image-20220530095701-4.png||_mstalt="430014"]]
1763
1764
1765 (% _msthash="506066" _msttexthash="544869" %)
1766 AT Command List is as below:
1767
1768 (% _msthash="506067" _msttexthash="361920" %)
1769 AT+<CMD>? :  Help on <CMD>
1770
1771 (% _msthash="506068" _msttexthash="243061" %)
1772 AT+<CMD> :  Run <CMD>
1773
1774 (% _msthash="506069" _msttexthash="704197" %)
1775 AT+<CMD>=<value> :  Set the value
1776
1777 (% _msthash="506070" _msttexthash="455676" %)
1778 AT+<CMD>=? :  Get the value
1779
1780 (% _msthash="506071" _msttexthash="670553" %)
1781 AT+DEBUG:  Set more info output
1782
1783 (% _msthash="506072" _msttexthash="485888" %)
1784 ATZ:  Trig a reset of the MCU
1785
1786 (% _msthash="506073" _msttexthash="2068872" %)
1787 AT+FDR:  Reset Parameters to Factory Default, Keys Reserve
1788
1789 (% _msthash="506074" _msttexthash="689169" %)
1790 AT+DEUI:  Get or Set the Device EUI
1791
1792 (% _msthash="506075" _msttexthash="960414" %)
1793 AT+DADDR:  Get or Set the Device Address
1794
1795 (% _msthash="506076" _msttexthash="1079897" %)
1796 AT+APPKEY:  Get or Set the Application Key
1797
1798 (% _msthash="506077" _msttexthash="1326143" %)
1799 AT+NWKSKEY:  Get or Set the Network Session Key
1800
1801 (% _msthash="506078" _msttexthash="1573000" %)
1802 AT+APPSKEY:  Get or Set the Application Session Key
1803
1804 (% _msthash="506079" _msttexthash="1041729" %)
1805 AT+APPEUI:  Get or Set the Application EUI
1806
1807 (% _msthash="506080" _msttexthash="2104206" %)
1808 AT+ADR:  Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1809
1810 (% _msthash="506081" _msttexthash="3369288" %)
1811 AT+TXP:  Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1812
1813 (% _msthash="506082" _msttexthash="1894529" %)
1814 AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)
1815
1816 (% _msthash="506083" _msttexthash="3864172" %)
1817 AT+DCS:  Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1818
1819 (% _msthash="506084" _msttexthash="1712204" %)
1820 AT+PNM:  Get or Set the public network mode. (0: off, 1: on)
1821
1822 (% _msthash="506085" _msttexthash="1281202" %)
1823 AT+RX2FQ:  Get or Set the Rx2 window frequency
1824
1825 (% _msthash="506086" _msttexthash="2796781" %)
1826 AT+RX2DR:  Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1827
1828 (% _msthash="506087" _msttexthash="3285165" %)
1829 AT+RX1DL:  Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1830
1831 (% _msthash="506088" _msttexthash="3286179" %)
1832 AT+RX2DL:  Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1833
1834 (% _msthash="506089" _msttexthash="4703803" %)
1835 AT+JN1DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1836
1837 (% _msthash="506090" _msttexthash="4704999" %)
1838 AT+JN2DL:  Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1839
1840 (% _msthash="506091" _msttexthash="1528683" %)
1841 AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1842
1843 (% _msthash="506092" _msttexthash="757185" %)
1844 AT+NWKID:  Get or Set the Network ID
1845
1846 (% _msthash="506093" _msttexthash="1156597" %)
1847 AT+FCU:  Get or Set the Frame Counter Uplink
1848
1849 (% _msthash="506094" _msttexthash="1273987" %)
1850 AT+FCD:  Get or Set the Frame Counter Downlink
1851
1852 (% _msthash="506095" _msttexthash="859222" %)
1853 AT+CLASS:  Get or Set the Device Class
1854
1855 (% _msthash="506096" _msttexthash="384852" %)
1856 AT+JOIN:  Join network
1857
1858 (% _msthash="506097" _msttexthash="548626" %)
1859 AT+NJS:  Get the join status
1860
1861 (% _msthash="506098" _msttexthash="2546206" %)
1862 AT+SENDB:  Send hexadecimal data along with the application port
1863
1864 (% _msthash="506099" _msttexthash="1932307" %)
1865 AT+SEND:  Send text data along with the application port
1866
1867 (% _msthash="506100" _msttexthash="3560557" %)
1868 AT+RECVB:  Print last received data in binary format (with hexadecimal values)
1869
1870 (% _msthash="506101" _msttexthash="1429701" %)
1871 AT+RECV:  Print last received data in raw format
1872
1873 (% _msthash="506102" _msttexthash="1735981" %)
1874 AT+VER:  Get current image version and Frequency Band
1875
1876 (% _msthash="506103" _msttexthash="1189474" %)
1877 AT+CFM:  Get or Set the confirmation mode (0-1)
1878
1879 (% _msthash="506104" _msttexthash="1718210" %)
1880 AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1881
1882 (% _msthash="506105" _msttexthash="1339403" %)
1883 AT+SNR:  Get the SNR of the last received packet
1884
1885 (% _msthash="506106" _msttexthash="1452009" %)
1886 AT+RSSI:  Get the RSSI of the last received packet
1887
1888 (% _msthash="506107" _msttexthash="2768142" %)
1889 AT+TDC:  Get or set the application data transmission interval in ms
1890
1891 (% _msthash="506108" _msttexthash="1083914" %)
1892 AT+PORT:  Get or set the application port
1893
1894 (% _msthash="506109" _msttexthash="622440" %)
1895 AT+DISAT:  Disable AT commands
1896
1897 (% _msthash="506110" _msttexthash="868361" %)
1898 AT+PWORD: Set password, max 9 digits
1899
1900 (% _msthash="506111" _msttexthash="2210299" %)
1901 AT+CHS:  Get or Set Frequency (Unit: Hz) for Single Channel Mode
1902
1903 (% _msthash="506112" _msttexthash="2113462" %)
1904 AT+CHE:  Get or Set eight channels mode,Only for US915,AU915,CN470
1905
1906 (% _msthash="506113" _msttexthash="2087423" %)
1907 AT+PDTA:  Print the sector data from start page to stop page
1908
1909 (% _msthash="506114" _msttexthash="1063127" %)
1910 AT+PLDTA:  Print the last few sets of data
1911
1912 (% _msthash="506115" _msttexthash="1999426" %)
1913 AT+CLRDTA:  Clear the storage, record position back to 1st
1914
1915 (% _msthash="506116" _msttexthash="442130" %)
1916 AT+SLEEP:  Set sleep mode
1917
1918 (% _msthash="506117" _msttexthash="1080222" %)
1919 AT+EXT:  Get or Set external sensor model
1920
1921 (% _msthash="506118" _msttexthash="1309490" %)
1922 AT+BAT:  Get the current battery voltage in mV
1923
1924 (% _msthash="506119" _msttexthash="813891" %)
1925 AT+CFG:  Print all configurations
1926
1927 (% _msthash="506120" _msttexthash="551707" %)
1928 AT+WMOD:  Get or Set Work Mode
1929
1930 (% _msthash="506121" _msttexthash="2631499" %)
1931 AT+ARTEMP:  Get or set the internal Temperature sensor alarm range
1932
1933 (% _msthash="506122" _msttexthash="3907150" %)
1934 AT+CITEMP:  Get or set the internal Temperature sensor collection interval in min
1935
1936 (% _msthash="506123" _msttexthash="854620" %)
1937 AT+SETCNT:  Set the count at present
1938
1939 (% _msthash="506124" _msttexthash="2554877" %)
1940 AT+RJTDC:  Get or set the ReJoin data transmission interval in min
1941
1942 (% _msthash="506125" _msttexthash="771849" %)
1943 AT+RPL:  Get or set response level
1944
1945 (% _msthash="506126" _msttexthash="1484314" %)
1946 AT+TIMESTAMP:  Get or Set UNIX timestamp in second
1947
1948 (% _msthash="506127" _msttexthash="741728" %)
1949 AT+LEAPSEC:  Get or Set Leap Second
1950
1951 (% _msthash="506128" _msttexthash="1694017" %)
1952 AT+SYNCMOD:  Get or Set time synchronization method
1953
1954 (% _msthash="506129" _msttexthash="2235948" %)
1955 AT+SYNCTDC:  Get or set time synchronization interval in day
1956
1957 (% _msthash="506130" _msttexthash="425542" %)
1958 AT+PID:  Get or set the PID
1959
1960
1961 == (% _msthash="1616654" _msttexthash="1555359" %)6.2 Where to use AT commands and Downlink commands(%%) ==
1962
1963 (% _msthash="506131" _msttexthash="14585714" %)
1964 AT commands：
1965
1966 [[image:image-20220620153708-1.png||height="603" width="723"]]
1967
1968 (% _msthash="506132" _msttexthash="337922" %)
1969 Downlink commands:
1970
1971
1972 (% _msthash="506133" _msttexthash="33046" %)
1973 **TTN:**
1974
1975 [[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1976
1977
1978 (% _msthash="506134" _msttexthash="11113791" %)
1979 **Helium：**
1980
1981 [[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1982
1983
1984 (% _msthash="506135" _msttexthash="4159844" %)
1985 **Chirpstack:The downlink window will not be displayed until the network is accessed**
1986
1987 [[image:image-20220615094850-6.png||_mstalt="433082"]]
1988
1989 [[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1990
1991
1992 (% _msthash="506136" _msttexthash="39286" %)
1993 **Aws:**
1994
1995 [[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1996
1997
1998 == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
1999
2000 [[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"]]
2001
2002
2003 (% _msthash="536757" _msttexthash="1874951" %)
2004 == 6.4 How to use TTL-USB to connect a PC to input AT commands? ==
2005
2006 [[image:image-20220615153355-1.png]]
2007
2008 [[image:image-20220620154900-5.jpeg||height="427" width="570"]]
2009
2010 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2011
2012 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2013
2014 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2015
2016
2017 To switch from download mode to command mode, press reset key
2018
2019
2020 (((
2021 (% _msthash="736728" _msttexthash="67213055" %)
2022 (((
2023 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.
2024 )))
2025 )))
2026
2027 (((
2028 (% _msthash="736729" _msttexthash="1907009" %)
2029 Input password and ATZ to activate LHT65N,As shown below:
2030
2031 [[image:image-20220615154519-3.png||height="672" width="807"]]
2032
2033
2034 )))
2035
2036 == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
2037
2038
2039 [[image:image-20220615153355-1.png]]
2040
2041 (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
2042
2043 (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
2044
2045 (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
2046
2047 (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
2048
2049 [[image:image-20220620160241-6.jpeg||height="428" width="571"]]
2050
2051 Press reset after connecting the 4boot cable to enter the download mode.
2052
2053 [[image:image-20220620160516-7.png||height="435" width="435"]]
2054
2055
2056 (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
2057
2058 [[image:image-20220615170542-5.png]]
2059
2060
2061 (% _msthash="506146" _msttexthash="52173160" %)
2062 (% _istranslated="1" %)**Step2**(%%)：Download the LHT65N image files.
2063
2064
2065 (% _msthash="506147" _msttexthash="188083584" %)
2066 (% _istranslated="1" %)**Step3：**(%%)Select the serial port and baud rate of the device and the firmware to be upgraded.
2067
2068 [[image:image-20220615171334-6.png]]
2069
2070
2071 (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
2072
2073 [[image:image-20220620160723-8.png]]
2074
2075
2076 )))
2077
2078 (% _mstvisible="1" %)
2079 = (% _msthash="183170" _msttexthash="13740740" _mstvisible="3" %)7. (%%)Order Info =
2080
2081 (% _mstvisible="1" %)
2082 (((
2083 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
2084 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
2085 )))
2086
2087 (% _mstvisible="1" %)
2088 (((
2089 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
2090 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
2091 )))
2092
2093 (% _mstvisible="1" %)
2094 * (% _mstvisible="3" %)
2095 (((
2096 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
2097 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
2098 )))
2099 * (% _mstvisible="3" %)
2100 (((
2101 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
2102 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
2103 )))
2104 * (% _mstvisible="3" %)
2105 (((
2106 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
2107 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
2108 )))
2109 * (% _mstvisible="3" %)
2110 (((
2111 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
2112 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
2113 )))
2114 * (% _mstvisible="3" %)
2115 (((
2116 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
2117 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
2118 )))
2119 * (% _mstvisible="3" %)
2120 (((
2121 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
2122 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
2123 )))
2124 * (% _mstvisible="3" %)
2125 (((
2126 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
2127 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
2128 )))
2129 * (% _mstvisible="3" %)
2130 (((
2131 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
2132 (% _mstvisible="6" style="color:#4f81bd" %)** **(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
2133 )))
2134
2135 (% _mstvisible="1" %)
2136 (((
2137 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
2138 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
2139 )))
2140
2141 (% _mstvisible="1" %)
2142 * (% _mstvisible="3" %)
2143 (((
2144 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
2145 (% style="color:red" %)**E3**(%%): External Temperature Probe
2146
2147
2148 )))
2149
2150 (% _mstvisible="1" %)
2151 = (% _msthash="233363" _msttexthash="13823550" _mstvisible="3" %)8. (%%)Packing Info =
2152
2153 (% _mstvisible="1" %)
2154 (((
2155 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2156
2157
2158 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
2159 (% _mstvisible="3" %)**Package Includes**(%%):
2160 )))
2161
2162 (% _mstvisible="1" %)
2163 * (% _mstvisible="3" %)
2164 (((
2165 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
2166 LHT65N Temperature & Humidity Sensor x 1
2167 )))
2168 * (% _mstvisible="3" %)
2169 (((
2170 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
2171 Optional external sensor
2172 )))
2173
2174 (% _mstvisible="1" %)
2175 (((
2176 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
2177 (% _mstvisible="3" %)**Dimension and weight**(%%):
2178 )))
2179
2180 (% _mstvisible="1" %)
2181 * (% _mstvisible="3" %)
2182 (((
2183 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
2184 Device Size:  10 x 10 x 3.5 cm
2185 )))
2186 * (% _mstvisible="3" %)
2187 (((
2188 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
2189 Device Weight: 120.5g
2190 )))
2191
2192 (% _mstvisible="3" %)
2193 (((
2194
2195 )))
2196
2197 = (% _msthash="184782" _msttexthash="16007771" %)9. Reference material(%%) =
2198
2199 * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/sh/una19zsni308dme/AACOKp6J2RF5TMlKWT5zU3RTa?dl=0||_msthash="504975" _msttexthash="51420512"]]
2200
2201
2202
2203
2204 = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2205
2206 (% _mstvisible="1" %)
2207 (((
2208 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
2209 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
2210 )))
2211
2212 (% _mstvisible="1" %)
2213 (((
2214 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
2215 (1) This device may not cause harmful interference；
2216 )))
2217
2218 (% _mstvisible="1" %)
2219 (((
2220 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2221 (2) this device must accept any interference received, including interference that may cause undesired operation.
2222 )))