Version 120.12 by Xiaoling on 2022/06/09 18:30
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6 (% _msthash="315237" _msttexthash="1697033" _mstvisible="3" %)**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
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12 (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
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14 {{toc/}}
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20 = (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1. Introduction(%%) =
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23 == (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT65N Temperature & Humidity Sensor(%%) ==
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26 (((
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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" %)**.**
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32 (((
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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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40 LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
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46 LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
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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.
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58 *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
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64 (% _mstvisible="1" %)
65 == (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
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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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81 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
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89 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
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93 * (% _mstvisible="3" %)
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96 Resolution: 0.01 °C
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98 * (% _mstvisible="3" %)
99 (((
100 (% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
101 Accuracy Tolerance : Typ ±0.3 °C
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103 * (% _mstvisible="3" %)
104 (((
105 (% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
106 Long Term Drift: < 0.02 °C/yr
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108 * (% _mstvisible="3" %)
109 (((
110 (% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
111 Operating Range: -40 ~~ 85 °C
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120 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
121 )))
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124 * (% _mstvisible="3" %)
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126 (% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
127 Resolution: 0.04 %RH
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129 * (% _mstvisible="3" %)
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131 (% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
132 Accuracy Tolerance : Typ ±3 %RH
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134 * (% _mstvisible="3" %)
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137 Long Term Drift: < 0.02 °C/yr
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139 * (% _mstvisible="3" %)
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142 Operating Range: 0 ~~ 96 %RH
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151 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
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155 * (% _mstvisible="3" %)
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158 Resolution: 0.0625 °C
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160 * (% _mstvisible="3" %)
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162 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
163 ±0.5°C accuracy from -10°C to +85°C
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165 * (% _mstvisible="3" %)
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168 ±2°C accuracy from -55°C to +125°C
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170 * (% _mstvisible="3" %)
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173 Operating Range: -55 °C ~~ 125 °C
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181 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
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184 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
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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.
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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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202 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
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205 The LHT65N has two working modes:
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208 * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
209 * **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, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
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214 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
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218 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
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225 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
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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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231 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
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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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238 === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
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241 Create a device in TTN V3 with the OTAA keys from LHT65N.
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244 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
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247 [[image:image-20220522232812-2.png||_mstalt="428467" _mstvisible="3" height="219" width="279"]]
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250 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
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253 Add APP EUI in the application.
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256 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
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265 Note: LHT65N use same payload as LHT65.
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268 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
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272 Input APP EUI,  APP KEY and DEV EUI:
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275 [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
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279 === (% _msthash="3537456" _msttexthash="3448549" _mstvisible="3" %)2.3.2 Step 2: Activate LHT65N by pressing the ACT button for more than 5 seconds.(%%) ===
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281 (% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
282 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 [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
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289 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
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291 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
292 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.
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294 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
295 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
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297 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
298 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
299 (((
300 (% _mstvisible="6" %)
301 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
302 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
303 (((
304 (% _mstvisible="6" %)
305 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
306 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
307 (((
308 (% _mstvisible="6" %)
309 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
310 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
311 (((
312 (% _mstvisible="6" %)
313 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
314 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
315 (((
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317 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
318 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
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321 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
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323 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
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326 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
327 )))|(% _mstvisible="4" style="width:39px" %)(% _mstvisible="5" %)
328 (((
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330 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
331 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
332 (((
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336 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
337 )))
338 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
339 (((
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343 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
344 )))
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347 (((
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349 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
350 )))
351 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
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354 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
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358 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
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362 * The First 6 bytes: has fix meanings for every LHT65N.
363 * The 7th byte (EXT #): defines the external sensor model.
364 * 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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366 (% _mstvisible="1" %)
367 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
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369 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
370 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.
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372 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
373 Below is the position to put the decoder and LHT65N decoder can be download from here:
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376 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0||_msthash="315253" _msttexthash="3509064" _mstvisible="2"]]
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379 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
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383 (% _mstvisible="1" %)
384 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
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386 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
387 These two bytes of BAT include the battery state and the actually voltage
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389 (% _mstvisible="1" %)
390 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
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393 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
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395 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
396 Check the battery voltage for LHT65N.
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399 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
400 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
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402 (% _mstvisible="1" %)
403 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
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405 (% _mstvisible="1" %)
406 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
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408 (% _mstvisible="1" %)
409 * Temperature:  0x0ABB/100=27.47℃
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411 (% _mstvisible="1" %)
412 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
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415 * Temperature:  (0xF5C6-65536)/100=-26.18℃
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420 (% _mstvisible="1" %)
421 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
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423 (% _mstvisible="1" %)
424 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
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426 (% _mstvisible="1" %)
427 * Humidity:    0x025C/10=60.4%
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432 (% _mstvisible="1" %)
433 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
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435 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
436 Bytes for External Sensor:
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438 (% _mstvisible="1" %)
439 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
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442 (% _mstvisible="1" %)
443 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
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445 (% _mstvisible="1" %)
446 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
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448 (% _mstvisible="1" %)
449 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
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453 * DS18B20 temp=0x0ADD/100=27.81℃
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455 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
456 The last 2 bytes of data are meaningless
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459 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
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462 (% _mstvisible="1" %)
463 * External temperature= (0xF54F-65536)/100=-27.37℃
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465 (% _mstvisible="1" %)
466 (((
467 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
468 The last 2 bytes of data are meaningless
469 )))
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471 (% _mstvisible="1" %)
472 (((
473 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
474 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
475 )))
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477
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479 (% _mstvisible="1" %)
480 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
481
482 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
483 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:
484
485 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
486 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
487 (((
488 (% _mstvisible="6" %)
489 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
490 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
491 (((
492 (% _mstvisible="6" %)
493 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
494 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
495 (((
496 (% _mstvisible="6" %)
497 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
498 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
499 (((
500 (% _mstvisible="6" %)
501 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
502 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
503 (((
504 (% _mstvisible="6" %)
505 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
506 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
507 (((
508 (% _mstvisible="6" %)
509 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
510 )))
511 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
512 (((
513 (% _mstvisible="6" %)
514 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
515 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
516 (((
517 (% _mstvisible="6" %)
518 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
519 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
520 (((
521 (% _mstvisible="6" %)
522 (((
523 (% _mstvisible="7" %)
524 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
525 )))
526
527 (% _mstvisible="6" %)
528 (((
529 (% _mstvisible="7" %)
530 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
531 )))
532 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
533 (((
534 (% _mstvisible="6" %)
535 (((
536 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
537 BAT Status &
538 )))
539
540 (% _mstvisible="6" %)
541 (((
542 (% _mstvisible="7" %)
543 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
544 )))
545 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
546 (((
547 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
548 Status & Ext
549 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
550 (((
551 (% _mstvisible="6" %)
552 (((
553 (% _mstvisible="7" %)
554 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
555 )))
556 )))
557
558
559 (% _mstvisible="1" %)
560 * (% _msthash="2539669" _msttexthash="857922" _mstvisible="3" %)**Battery status & **(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**
561
562 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
563 (% _mstvisible="3" %)|=(% _msthash="1230918" _msttexthash="93158" _mstvisible="4" style="width: 65px;" %)Bit(bit)|=(% _msthash="1230919" _msttexthash="57954" _mstvisible="4" style="width: 267px;" %)[15:14]|=(% _msthash="1230920" _msttexthash="48022" _mstvisible="4" style="width: 134px;" %)[11:0]
564 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
565 (((
566 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
567 BAT Status
568
569 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
570 00(b): Ultra Low ( BAT <= 2.50v)
571
572 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
573 01(b): Low  (2.50v <=BAT <= 2.55v)
574
575 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
576 10(b): OK   (2.55v <= BAT <=2.65v)
577
578 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
579 11(b): Good   (BAT >= 2.65v)
580 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
581 (((
582 (% _mstvisible="6" %)
583 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
584
585 (% _mstvisible="6" %)
586
587 )))
588
589
590 (% _mstvisible="1" %)
591 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
592
593 (% _mstvisible="1" %)
594 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
595
596 (% _mstvisible="1" %)
597 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
598 * 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.
599 * 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)
600
601
602
603 (% _mstvisible="1" %)
604 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
605
606 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
607 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:
608
609 (% _mstvisible="1" %)
610 (((
611 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
612 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
613 )))
614
615 (% _mstvisible="1" %)
616 (((
617 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
618 (% _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.
619 )))
620
621 (% _mstvisible="1" %)
622 (((
623 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
624 Add Datacake:
625 )))
626
627 (% _mstvisible="1" %)
628 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
629
630
631 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
632 Select default key as Access Key:
633
634 (% _mstvisible="1" %)
635 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
636
637 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
638 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
639
640 (% _mstvisible="1" %)
641 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
642
643 (% _mstvisible="1" %)
644 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
645
646
647
648 (% _mstvisible="1" %)
649 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
650
651 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
652 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.
653
654
655 (% _mstvisible="1" %)
656 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
657
658 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
659 There are two methods:
660
661 (% _mstvisible="1" %)
662 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
663 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.
664
665
666
667 (% _mstvisible="1" %)
668 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
669
670 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
671 LHT65N uses Unix TimeStamp format based on
672
673 (% _mstvisible="1" %)
674 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
675
676
677 (% _mstvisible="1" %)
678 (((
679 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
680 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
681 )))
682
683 (% _mstvisible="1" %)
684 (((
685 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
686 Below is the converter example
687 )))
688
689 (% _mstvisible="1" %)
690 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
691
692 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
693 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
694
695
696 (% _mstvisible="1" %)
697 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
698
699 (% _mstvisible="1" %)
700 (((
701 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
702 There are two ways to set device’s time:
703 )))
704
705 (% _mstvisible="1" %)
706 (((
707 (% _mstvisible="2" %)
708 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
709 )))
710
711 (% _mstvisible="1" %)
712 (((
713 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
714 User need to set SYNCMOD=1 to enable sync time via MAC command.
715 )))
716
717 (% _mstvisible="1" %)
718 (((
719 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
720 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).
721 )))
722
723 (% _mstvisible="1" %)
724 (((
725 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
726 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.
727 )))
728
729 (% _mstvisible="1" %)
730 (((
731 (% _mstvisible="2" %)
732
733 )))
734
735 (% _mstvisible="1" %)
736 (((
737 (% _mstvisible="2" %)
738 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
739 )))
740
741 (% _mstvisible="1" %)
742 (((
743 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
744 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
745
746 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
747
748 )))
749
750 (% _mstvisible="1" %)
751 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
752
753 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
754 User can poll sensor value based on timestamps from the server. Below is the downlink command.
755
756 (% _mstvisible="1" %)
757 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
758
759 (% _mstvisible="1" %)
760 (((
761 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
762 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.
763 )))
764
765 (% _mstvisible="1" %)
766 (((
767 (% _mstvisible="2" %)
768 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
769 )))
770
771 (% _mstvisible="1" %)
772 (((
773 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
774 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
775 )))
776
777 (% _mstvisible="1" %)
778 (((
779 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
780 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
781 )))
782
783
784 (% _mstvisible="1" %)
785 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
786
787 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
788 The Datalog poll reply uplink will use below payload format.
789
790 (% _mstvisible="1" %)
791 (((
792 (% _mstvisible="2" %)
793 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
794 )))
795
796 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
797 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
798 (((
799 (% _mstvisible="6" %)
800 (((
801 (% _mstvisible="7" %)
802 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
803 )))
804 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
805 (((
806 (% _mstvisible="6" %)
807 (((
808 (% _mstvisible="7" %)
809 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
810 )))
811 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
812 (((
813 (% _mstvisible="6" %)
814 (((
815 (% _mstvisible="7" %)
816 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
817 )))
818 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
819 (((
820 (% _mstvisible="6" %)
821 (((
822 (% _mstvisible="7" %)
823 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
824 )))
825 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
826 (((
827 (% _mstvisible="6" %)
828 (((
829 (% _mstvisible="7" %)
830 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
831 )))
832 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
833 (((
834 (% _mstvisible="6" %)
835 (((
836 (% _mstvisible="7" %)
837 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
838 )))
839 )))
840 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
841 (((
842 (% _mstvisible="6" %)
843 (((
844 (% _mstvisible="7" %)
845 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
846 )))
847 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
848 (((
849 (% _mstvisible="6" %)
850 (((
851 (% _mstvisible="7" %)
852 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
853 )))
854 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
855 (((
856 (% _mstvisible="6" %)
857 (((
858 (% _mstvisible="7" %)
859 (((
860 (% _mstvisible="8" %)
861 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
862 )))
863 )))
864
865 (% _mstvisible="6" %)
866 (((
867 (% _mstvisible="7" %)
868 (((
869 (% _mstvisible="8" %)
870 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
871 )))
872 )))
873 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
874 (((
875 (% _mstvisible="6" %)
876 (((
877 (% _mstvisible="7" %)
878 (((
879 (% _mstvisible="8" %)
880 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
881 )))
882 )))
883
884 (% _mstvisible="6" %)
885 (((
886 (% _mstvisible="7" %)
887 (((
888 (% _mstvisible="8" %)
889 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
890 )))
891 )))
892 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
893 (((
894 (% _mstvisible="6" %)
895 (((
896 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
897 Poll message flag & Ext
898 )))
899 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
900 (((
901 (% _mstvisible="6" %)
902 (((
903 (% _mstvisible="7" %)
904 (((
905 (% _mstvisible="8" %)
906 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
907 )))
908 )))
909
910 (% _mstvisible="6" %)
911 (((
912 (% _mstvisible="7" %)
913 (((
914 (% _mstvisible="8" %)
915
916 )))
917 )))
918 )))
919
920 (% _mstvisible="1" %)
921 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
922
923 (% _mstvisible="1" %)
924 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
925
926 (% _mstvisible="1" %)
927 (((
928 (% _mstvisible="2" %)
929 (((
930 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
931 Poll Message Flag: 1: This message is a poll message reply.
932 )))
933 )))
934
935 (% _mstvisible="1" %)
936 * (% _mstvisible="3" %)
937 (((
938 (% _mstvisible="4" %)
939 (((
940 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
941 Poll Message Flag is set to 1.
942 )))
943 )))
944 * (% _mstvisible="3" %)
945 (((
946 (% _mstvisible="4" %)
947 (((
948 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
949 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
950 )))
951 )))
952
953 (% _mstvisible="1" %)
954 (((
955 (% _mstvisible="2" %)
956 (((
957 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
958
959
960 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
961 For example, in US915 band, the max payload for different DR is:
962 )))
963 )))
964
965 (% _mstvisible="1" %)
966 (((
967 (% _mstvisible="2" %)
968 (((
969 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
970 a) DR0: max is 11 bytes so one entry of data
971 )))
972 )))
973
974 (% _mstvisible="1" %)
975 (((
976 (% _mstvisible="2" %)
977 (((
978 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
979 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
980 )))
981 )))
982
983 (% _mstvisible="1" %)
984 (((
985 (% _mstvisible="2" %)
986 (((
987 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
988 c) DR2: total payload includes 11 entries of data
989 )))
990 )))
991
992 (% _mstvisible="1" %)
993 (((
994 (% _mstvisible="2" %)
995 (((
996 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
997 d) DR3: total payload includes 22 entries of data.
998 )))
999 )))
1000
1001 (% _mstvisible="1" %)
1002 (((
1003 (% _mstvisible="2" %)
1004 (((
1005 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1006 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1007 )))
1008 )))
1009
1010
1011 (% _mstvisible="1" style="text-align: left;" %)
1012 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1013
1014 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1015 If LHT65N has below data inside Flash:
1016
1017 (% _mstvisible="1" %)
1018 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1019
1020 (% _mstvisible="1" %)
1021 (((
1022 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1023 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1024 )))
1025
1026 (% _mstvisible="1" %)
1027 (((
1028 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1029 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1030 )))
1031
1032 (% _mstvisible="1" %)
1033 (((
1034 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1035 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1036 )))
1037
1038 (% _mstvisible="1" %)
1039 (((
1040 (% _mstvisible="2" %)
1041
1042 )))
1043
1044 (% _mstvisible="1" %)
1045 (((
1046 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1047 LHT65N will uplink this payload.
1048 )))
1049
1050 (% _mstvisible="1" %)
1051 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1052
1053 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1054 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1055
1056 Where the first 11 bytes is for the first entry:
1057
1058 7FFF089801464160065F97
1059
1060 Ext sensor data=0x7FFF/100=327.67
1061
1062 Temp=0x0898/100=22.00
1063
1064 Hum=0x0146/10=32.6
1065
1066 poll message flag & Ext=0x41,means reply data,Ext=1
1067
1068 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1069
1070
1071 (% _mstvisible="1" style="text-align: left;" %)
1072 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1073
1074 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1075 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.
1076
1077 (% _mstvisible="1" %)
1078 (((
1079 (% _mstvisible="2" style="text-align: left;" %)
1080 (% _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.
1081 )))
1082
1083 (% _mstvisible="1" style="text-align: left;" %)
1084 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1085
1086 (% _mstvisible="1" class="box infomessage" %)
1087 (((
1088 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1089 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%): Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1090
1091 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1092 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%): The interval between checking the alarm temperature. (In minutes)
1093
1094 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1095 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%): Gets or sets the alarm range of the internal temperature sensor
1096
1097 (% _mstvisible="2" style="text-align: left;" %)
1098 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%): Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1099
1100 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1101 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%): Set the internal temperature sensor alarm range from 45 to 105.
1102 )))
1103
1104
1105
1106 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1107 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1108
1109 (% _mstvisible="1" %)
1110 (((
1111 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1112 The LHT65 has a triple color LED which for easy showing different stage .
1113
1114 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1115 While user press ACT button, the LED will work as per LED status with ACT button.
1116 )))
1117
1118 (% _mstvisible="1" %)
1119 (((
1120 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1121 In a normal working state:
1122 )))
1123
1124 (% _mstvisible="1" %)
1125 * (% _mstvisible="3" %)
1126 (((
1127 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1128 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1129
1130 (% _msthash="197771" _msttexthash="1202526" %)
1131 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1132 )))
1133 * (% _mstvisible="3" %)
1134 (((
1135 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1136 RED LED when external sensor is not connected
1137 )))
1138 * (% _mstvisible="3" %)
1139 (((
1140 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1141 For each success downlink, the PURPLE LED will blink once
1142 )))
1143
1144
1145 (% _mstvisible="1" style="text-align: left;" %)
1146 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1147
1148 (% _mstvisible="1" %)
1149 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1150
1151
1152 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1153 = (% _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(%%) =
1154
1155 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1156 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(%%) E3 Temperature Probe ==
1157
1158 (% _mstvisible="1" %)
1159 [[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"]]
1160
1161
1162 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1163 Temperature sensor with 2 meters cable long
1164
1165 (% _mstvisible="1" %)
1166 * Resolution: 0.0625 °C
1167 * ±0.5°C accuracy from -10°C to +85°C
1168 * ±2°C accuracy from -55°C to +125°C
1169 * Operating Range: -40 ~~ 125 °C
1170 * -55°C to 125°C
1171 * Working voltage 2.35v ~~ 5v
1172
1173
1174
1175 (% _mstvisible="1" style="text-align: left;" %)
1176 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1177
1178 (% _mstvisible="1" %)
1179 (((
1180 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1181 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1182 )))
1183
1184 (% _mstvisible="1" %)
1185 * (% _mstvisible="3" %)
1186 (((
1187 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1188 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1189 )))
1190 * (% _mstvisible="3" %)
1191 (((
1192 (% _msthash="903319" _msttexthash="2004301" _mstvisible="4" %)
1193 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1194 )))
1195
1196 (% _mstvisible="1" %)
1197 (((
1198 (% _mstvisible="2" style="text-align: left;" %)
1199
1200 )))
1201
1202 (% _mstvisible="1" %)
1203 (((
1204 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1205 There are two kinds of commands to configure LHT65N, they are:
1206 )))
1207
1208 (% _mstvisible="1" %)
1209 (((
1210 (% _mstvisible="2" style="text-align: left;" %)
1211 (% _msthash="506249" _msttexthash="317850" _mstvisible="3" style="color:#4f81bd" %)* (% _msthash="506249" _msttexthash="317850" _mstvisible="4" style="color:#4f81bd" %)**General Commands**(% _msthash="506249" _msttexthash="317850" _mstvisible="3" style="color:#4f81bd" %).
1212 )))
1213
1214 (% _mstvisible="1" %)
1215 (((
1216 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1217 These commands are to configure:
1218 )))
1219
1220 (% _mstvisible="1" %)
1221 * (% _mstvisible="3" %)
1222 (((
1223 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1224 General system settings like: uplink interval.
1225 )))
1226 * (% _mstvisible="3" %)
1227 (((
1228 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1229 LoRaWAN protocol & radio-related commands.
1230 )))
1231
1232 (% _mstvisible="1" %)
1233 (((
1234 (% _msthash="506251" _msttexthash="8343023" _mstvisible="2" style="text-align: left;" %)
1235 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]]
1236 )))
1237
1238 (% _mstvisible="1" %)
1239 (((
1240 (% _mstvisible="2" style="text-align: left;" %)
1241
1242 )))
1243
1244 (% _mstvisible="1" %)
1245 (((
1246 (% _mstvisible="2" style="text-align: left;" %)
1247 (% _mstvisible="3" style="color:#4f81bd" %)* **Commands special design for LHT65N**
1248 )))
1249
1250 (% _mstvisible="1" %)
1251 (((
1252 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1253 These commands are only valid for LHT65N, as below:
1254
1255 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1256
1257 )))
1258
1259 (% _mstvisible="1" style="text-align: left;" %)
1260 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1261
1262 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1263 Feature: Change LoRaWAN End Node Transmit Interval.
1264
1265 (% _mstvisible="1" style="text-align: left;" %)
1266 (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1267
1268 (% _mstvisible="1" %)
1269 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1270
1271 (% _mstvisible="1" %)
1272 (((
1273 (% _mstvisible="2" style="text-align: left;" %)
1274
1275
1276 (% _mstvisible="2" style="text-align: left;" %)
1277 (% style="color:#4f81bd" %)**Downlink Command: 0x01**
1278 )))
1279
1280 (% _mstvisible="1" %)
1281 (((
1282 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1283 Format: Command Code (0x01) followed by 3 bytes time value.
1284 )))
1285
1286 (% _mstvisible="1" %)
1287 (((
1288 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1289 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1290 )))
1291
1292 (% _mstvisible="1" %)
1293 * (% _mstvisible="3" %)
1294 (((
1295 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1296 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1297 )))
1298 * (% _mstvisible="3" %)
1299 (((
1300 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1301 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1302
1303
1304 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1305
1306 )))
1307
1308 (% _mstvisible="1" style="text-align: left;" %)
1309 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1310
1311 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1312 Feature: Change External Sensor Mode.
1313
1314 (% _mstvisible="1" style="text-align: left;" %)
1315 (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1316
1317 (% _mstvisible="1" %)
1318 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1319
1320 (% _mstvisible="1" %)
1321 (((
1322 (% _mstvisible="2" style="text-align: left;" %)
1323
1324
1325 (% _mstvisible="2" style="text-align: left;" %)
1326 (% style="color:#4f81bd" %)**Downlink Command: 0xA2**
1327 )))
1328
1329 (% _mstvisible="1" %)
1330 (((
1331 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1332 Total bytes: 2 ~~ 5 bytes
1333 )))
1334
1335 (% _mstvisible="1" %)
1336 (((
1337 (% _mstvisible="2" %)
1338 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1339 )))
1340
1341 (% _mstvisible="1" %)
1342 * (% _mstvisible="3" %)
1343 (((
1344 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1345 0xA201: Set external sensor type to E1
1346 )))
1347 * (% _mstvisible="3" %)
1348 (((
1349 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1350 0xA209: Same as AT+EXT=9
1351 )))
1352 * (% _mstvisible="3" %)
1353 (((
1354 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1355 0xA20702003c,Same as AT+SETCNT=60
1356
1357
1358 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1359
1360 )))
1361
1362 (% _mstvisible="1" style="text-align: left;" %)
1363 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1364
1365 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1366 Feature: If PID is enabled, device will send the temperature probe ID on:
1367
1368 (% _mstvisible="1" %)
1369 * First Packet after OTAA Join
1370 * Every 24 hours since the first packet.
1371
1372 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1373 PID is default set to disable (0)
1374
1375 (% _mstvisible="1" style="text-align: left;" %)
1376 (% style="color:#4f81bd" %)**AT Command:**
1377
1378 (% _mstvisible="1" %)
1379 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1380
1381
1382 (% _mstvisible="1" style="text-align: left;" %)
1383 (% style="color:#4f81bd" %)**Downlink Command:**
1384
1385 (% _mstvisible="1" %)
1386 * 0xA800  **~-~->** AT+PID=0
1387 * 0xA801     **~-~->** AT+PID=1
1388
1389
1390
1391 (% _mstvisible="1" style="text-align: left;" %)
1392 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1393
1394 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1395 Feature: Set device password, max 9 digits
1396
1397 (% _mstvisible="1" style="text-align: left;" %)
1398 (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1399
1400 (% _mstvisible="1" %)
1401 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1402
1403 (% _mstvisible="1" %)
1404 (((
1405 (% _mstvisible="2" style="text-align: left;" %)
1406
1407
1408 (% _mstvisible="2" style="text-align: left;" %)
1409 (% style="color:#4f81bd" %)**Downlink Command:**
1410 )))
1411
1412 (% _mstvisible="1" %)
1413 (((
1414 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1415 No downlink command for this feature.
1416
1417 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1418
1419 )))
1420
1421 (% _mstvisible="1" style="text-align: left;" %)
1422 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1423
1424 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1425 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1426
1427 (% _mstvisible="1" style="text-align: left;" %)
1428 (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1429
1430 (% _mstvisible="1" %)
1431 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1432
1433
1434 (% _mstvisible="1" style="text-align: left;" %)
1435 (% style="color:#4f81bd" %)**Downlink Command:**
1436
1437 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1438 No downlink command for this feature.
1439
1440
1441 (% _mstvisible="1" style="text-align: left;" %)
1442 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1443
1444 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1445 Feature: Set device to sleep mode
1446
1447 (% _mstvisible="1" style="text-align: left;" %)
1448 (% style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1449
1450 (% _mstvisible="1" %)
1451 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1452
1453
1454 (% _mstvisible="1" %)
1455 (% style="color:#4f81bd" %)**Downlink Command:**
1456
1457 (% _mstvisible="1" %)
1458 * There is no downlink command to set to Sleep mode.
1459
1460
1461
1462 (% _mstvisible="1" %)
1463 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1464
1465 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1466 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1467
1468 (% _mstvisible="1" %)
1469 (% style="color:#4f81bd" %)**AT Command:**
1470
1471 (% _mstvisible="1" %)
1472 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1473
1474
1475 (% _mstvisible="1" %)
1476 (% style="color:#4f81bd" %)**Downlink Command:**
1477
1478 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1479 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1480
1481
1482 (% _mstvisible="1" %)
1483 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1484
1485 (% _mstvisible="1" %)
1486 (((
1487 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1488 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1489 )))
1490
1491 (% _mstvisible="1" %)
1492 (((
1493 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1494 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.
1495 )))
1496
1497 (% _mstvisible="1" %)
1498 (((
1499 (% _mstvisible="2" %)
1500 (% style="color:#4f81bd" %)**AT Command:**
1501 )))
1502
1503 (% _mstvisible="1" %)
1504 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1505
1506
1507 (% _mstvisible="1" %)
1508 (% style="color:#4f81bd" %)**Downlink Command:**
1509
1510 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1511 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1512
1513 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1514 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1515
1516
1517 (% _mstvisible="1" %)
1518 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1519
1520 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1521 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1522
1523 (% _mstvisible="1" %)
1524 (% style="color:#4f81bd" %)**AT Command:**
1525
1526 (% _mstvisible="1" %)
1527 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1528
1529
1530 (% _mstvisible="1" %)
1531 (% style="color:#4f81bd" %)**Downlink Command:**
1532
1533 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1534 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1535
1536
1537 (% _mstvisible="1" %)
1538 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1539
1540 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1541 Feature: Print the sector data from start page to stop page (max is 416 pages).
1542
1543 (% _mstvisible="1" %)
1544 (% style="color:#4f81bd" %)**AT Command: AT+PDTA**
1545
1546 (% _mstvisible="1" %)
1547 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1548
1549
1550 (% _mstvisible="1" %)
1551 (% style="color:#4f81bd" %)**Downlink Command:**
1552
1553 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1554 No downlink commands for feature
1555
1556
1557 (% _mstvisible="1" %)
1558 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1559
1560 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1561 Feature: Print the last few data entries
1562
1563 (% _mstvisible="1" %)
1564 (% style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1565
1566 (% _mstvisible="1" %)
1567 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1568
1569
1570 (% _mstvisible="1" %)
1571 (% style="color:#4f81bd" %)**Downlink Command:**
1572
1573 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1574 No downlink commands for feature
1575
1576
1577 (% _mstvisible="1" %)
1578 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1579
1580 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1581 Feature: Clear flash storage for data log feature.
1582
1583 (% _mstvisible="1" %)
1584 (% style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1585
1586 (% _mstvisible="1" %)
1587 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1588
1589
1590 (% _mstvisible="1" %)
1591 (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1592
1593 (% _mstvisible="1" %)
1594 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1595
1596
1597
1598 (% _mstvisible="1" %)
1599 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1600
1601 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1602 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.
1603
1604
1605 (% _mstvisible="1" %)
1606 (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1607
1608 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1609 The default factory setting is 0
1610
1611 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1612 (% _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**
1613 (% _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
1614
1615 (% _mstvisible="1" %)
1616 (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1617
1618 (% _mstvisible="1" %)
1619 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1620
1621
1622
1623 (% _mstvisible="1" %)
1624 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1625
1626 (% _mstvisible="1" %)
1627 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1628
1629 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1630 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.
1631
1632 (% _mstvisible="1" %)
1633 (((
1634 (% _mstvisible="2" %)
1635 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1636 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1637 )))
1638
1639 (% _mstvisible="1" %)
1640 (((
1641 (% _mstvisible="2" %)
1642 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1643
1644 )))
1645
1646 (% _mstvisible="1" %)
1647 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1648
1649 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1650 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.
1651
1652 (% _mstvisible="1" %)
1653 [[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"]]
1654
1655 (% _mstvisible="1" %)
1656 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1657
1658 (% _mstvisible="1" %)
1659 (((
1660 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1661 (((
1662 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:
1663 [[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]]
1664 )))
1665
1666 (((
1667
1668 )))
1669
1670 (((
1671 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]]
1672 )))
1673
1674
1675 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1676 = (% _msthash="183170" _msttexthash="163566" _mstvisible="3" %)6. FAQ(%%) =
1677
1678 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1679 == 6.1 How to use AT Command? ==
1680
1681 (((
1682 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.
1683 )))
1684
1685 [[image:image-20220530085651-1.png]]
1686
1687
1688 **Connection:**
1689
1690 ✓** USB to TTL GND <~-~->GND**
1691
1692 **✓ USB to TTL RXD <~-~-> D+**
1693
1694 **✓ USB to TTL TXD <~-~-> A11**
1695
1696 **✓ USB to TTL 3.3V <~-~-> D-**
1697
1698
1699 (((
1700 In PC, User needs to set serial tool(such as **putty**, SecureCRT) baud rate to **9600** to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:**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.
1701 )))
1702
1703 (((
1704 Input password and ATZ to activate LHT65N,As shown below:
1705 )))
1706
1707 [[image:image-20220530095701-4.png]]
1708
1709
1710 AT Command List is as below:
1711
1712 AT+<CMD>? : Help on <CMD>
1713
1714 AT+<CMD> : Run <CMD>
1715
1716 AT+<CMD>=<value> : Set the value
1717
1718 AT+<CMD>=? : Get the value
1719
1720 AT+DEBUG:Set more info output
1721
1722 ATZ: Trig a reset of the MCU
1723
1724 AT+FDR: Reset Parameters to Factory Default, Keys Reserve
1725
1726 AT+DEUI: Get or Set the Device EUI
1727
1728 AT+DADDR: Get or Set the Device Address
1729
1730 AT+APPKEY: Get or Set the Application Key
1731
1732 AT+NWKSKEY: Get or Set the Network Session Key
1733
1734 AT+APPSKEY: Get or Set the Application Session Key
1735
1736 AT+APPEUI: Get or Set the Application EUI
1737
1738 AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1739
1740 AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1741
1742 AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
1743
1744 AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1745
1746 AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1747
1748 AT+RX2FQ: Get or Set the Rx2 window frequency
1749
1750 AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1751
1752 AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1753
1754 AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1755
1756 AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1757
1758 AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1759
1760 AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1761
1762 AT+NWKID: Get or Set the Network ID
1763
1764 AT+FCU: Get or Set the Frame Counter Uplink
1765
1766 AT+FCD: Get or Set the Frame Counter Downlink
1767
1768 AT+CLASS: Get or Set the Device Class
1769
1770 AT+JOIN: Join network
1771
1772 AT+NJS: Get the join status
1773
1774 AT+SENDB: Send hexadecimal data along with the application port
1775
1776 AT+SEND: Send text data along with the application port
1777
1778 AT+RECVB: Print last received data in binary format (with hexadecimal values)
1779
1780 AT+RECV: Print last received data in raw format
1781
1782 AT+VER: Get current image version and Frequency Band
1783
1784 AT+CFM: Get or Set the confirmation mode (0-1)
1785
1786 AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1787
1788 AT+SNR: Get the SNR of the last received packet
1789
1790 AT+RSSI: Get the RSSI of the last received packet
1791
1792 AT+TDC: Get or set the application data transmission interval in ms
1793
1794 AT+PORT: Get or set the application port
1795
1796 AT+DISAT: Disable AT commands
1797
1798 AT+PWORD: Set password, max 9 digits
1799
1800 AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1801
1802 AT+CHE: Get or Set eight channels mode,Only for US915,AU915,CN470
1803
1804 AT+PDTA: Print the sector data from start page to stop page
1805
1806 AT+PLDTA: Print the last few sets of data
1807
1808 AT+CLRDTA: Clear the storage, record position back to 1st
1809
1810 AT+SLEEP: Set sleep mode
1811
1812 AT+EXT: Get or Set external sensor model
1813
1814 AT+BAT: Get the current battery voltage in mV
1815
1816 AT+CFG: Print all configurations
1817
1818 AT+WMOD: Get or Set Work Mode
1819
1820 AT+ARTEMP: Get or set the internal Temperature sensor alarm range
1821
1822 AT+CITEMP: Get or set the internal Temperature sensor collection interval in min
1823
1824 AT+SETCNT:Set the count at present
1825
1826 AT+RJTDC: Get or set the ReJoin data transmission interval in min
1827
1828 AT+RPL: Get or set response level
1829
1830 AT+TIMESTAMP: Get or Set UNIX timestamp in second
1831
1832 AT+LEAPSEC: Get or Set Leap Second
1833
1834 AT+SYNCMOD: Get or Set time synchronization method
1835
1836 AT+SYNCTDC: Get or set time synchronization interval in day
1837
1838 AT+PID: Get or set the PID
1839
1840
1841 )))
1842
1843 (% _mstvisible="1" %)
1844 = (% _msthash="183170" _msttexthash="163566" _mstvisible="3" %)7. Order Info(%%) =
1845
1846 (% _mstvisible="1" %)
1847 (((
1848 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
1849 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
1850 )))
1851
1852 (% _mstvisible="1" %)
1853 (((
1854 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
1855 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
1856 )))
1857
1858 (% _mstvisible="1" %)
1859 * (% _mstvisible="3" %)
1860 (((
1861 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
1862 (% _mstvisible="6" style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1863 )))
1864 * (% _mstvisible="3" %)
1865 (((
1866 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
1867 (% _mstvisible="6" style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1868 )))
1869 * (% _mstvisible="3" %)
1870 (((
1871 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
1872 (% _mstvisible="6" style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1873 )))
1874 * (% _mstvisible="3" %)
1875 (((
1876 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
1877 (% _mstvisible="6" style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1878 )))
1879 * (% _mstvisible="3" %)
1880 (((
1881 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
1882 (% _mstvisible="6" style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1883 )))
1884 * (% _mstvisible="3" %)
1885 (((
1886 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
1887 (% _mstvisible="6" style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1888 )))
1889 * (% _mstvisible="3" %)
1890 (((
1891 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
1892 (% _mstvisible="6" style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1893 )))
1894 * (% _mstvisible="3" %)
1895 (((
1896 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
1897 (% _mstvisible="6" style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1898 )))
1899
1900 (% _mstvisible="1" %)
1901 (((
1902 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
1903 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1904 )))
1905
1906 (% _mstvisible="1" %)
1907 * (% _mstvisible="3" %)
1908 (((
1909 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
1910 (% _mstvisible="6" style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1911
1912
1913 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
1914
1915 )))
1916
1917 (% _mstvisible="1" %)
1918 = (% _msthash="233363" _msttexthash="211237" _mstvisible="3" %)8. Packing Info(%%) =
1919
1920 (% _mstvisible="1" %)
1921 (((
1922 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
1923
1924
1925 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
1926 (% _mstvisible="3" %)**Package Includes**(%%):
1927 )))
1928
1929 (% _mstvisible="1" %)
1930 * (% _mstvisible="3" %)
1931 (((
1932 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
1933 LHT65N Temperature & Humidity Sensor x 1
1934 )))
1935 * (% _mstvisible="3" %)
1936 (((
1937 (% _msthash="903337" _msttexthash="242567" _mstvisible="4" %)
1938 Program cable x 1
1939 )))
1940 * (% _mstvisible="3" %)
1941 (((
1942 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
1943 Optional external sensor
1944 )))
1945
1946 (% _mstvisible="1" %)
1947 (((
1948 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
1949 (% _mstvisible="3" %)**Dimension and weight**(%%):
1950 )))
1951
1952 (% _mstvisible="1" %)
1953 * (% _mstvisible="3" %)
1954 (((
1955 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
1956 Device Size:  13.5 x 7 x 3 cm
1957 )))
1958 * (% _mstvisible="3" %)
1959 (((
1960 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
1961 Device Weight: 105g
1962 )))
1963 * (% _mstvisible="3" %)
1964 (((
1965 (% _msthash="903341" _msttexthash="562926" _mstvisible="4" %)
1966 Package Size / pcs : 14.5 x 8 x 5 cm
1967 )))
1968 * (% _mstvisible="3" %)
1969 (((
1970 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
1971 Weight / pcs : 170g
1972
1973
1974 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
1975
1976 )))
1977
1978 = 9. Reference =
1979
1980 * [[Datasheet, Photos, Decoder, Firmware>>https://www.dropbox.com/home/Products_Public_Document/LoRaWAN%20End%20Node/LHT65N%20Temperature%20%26%20Humidity%20Sensor]]
1981
1982
1983 = 10. FCC Warning =
1984
1985 (% _mstvisible="1" %)
1986 (((
1987 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
1988 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1989 )))
1990
1991 (% _mstvisible="1" %)
1992 (((
1993 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
1994 (1) This device may not cause harmful interference；
1995 )))
1996
1997 (% _mstvisible="1" %)
1998 (((
1999 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
2000 (2) this device must accept any interference received, including interference that may cause undesired operation.
2001 )))

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