Version 120.11 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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262 [[image:image-20220522232954-5.png||_mstalt="431847" _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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356 (((
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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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414 (% _mstvisible="1" %)
415 * Temperature:  (0xF5C6-65536)/100=-26.18℃
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417 (% _mstvisible="1" %)
418 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
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420 (% _mstvisible="1" %)
421 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
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423 (% _mstvisible="1" %)
424 * Humidity:    0x025C/10=60.4%
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429 (% _mstvisible="1" %)
430 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
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432 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
433 Bytes for External Sensor:
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435 (% _mstvisible="1" %)
436 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
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439 (% _mstvisible="1" %)
440 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
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442 (% _mstvisible="1" %)
443 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
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445 (% _mstvisible="1" %)
446 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
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449 (% _mstvisible="1" %)
450 * DS18B20 temp=0x0ADD/100=27.81℃
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452 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
453 The last 2 bytes of data are meaningless
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455 (% _mstvisible="1" %)
456 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
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459 (% _mstvisible="1" %)
460 * External temperature= (0xF54F-65536)/100=-27.37℃
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462 (% _mstvisible="1" %)
463 (((
464 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
465 The last 2 bytes of data are meaningless
466 )))
467
468 (% _mstvisible="1" %)
469 (((
470 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
471 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
472 )))
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474
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476 (% _mstvisible="1" %)
477 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
478
479 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
480 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:
481
482 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
483 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
484 (((
485 (% _mstvisible="6" %)
486 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
487 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
488 (((
489 (% _mstvisible="6" %)
490 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
491 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
492 (((
493 (% _mstvisible="6" %)
494 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
495 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
496 (((
497 (% _mstvisible="6" %)
498 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
499 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
500 (((
501 (% _mstvisible="6" %)
502 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
503 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
504 (((
505 (% _mstvisible="6" %)
506 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
507 )))
508 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
509 (((
510 (% _mstvisible="6" %)
511 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
512 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
513 (((
514 (% _mstvisible="6" %)
515 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
516 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
517 (((
518 (% _mstvisible="6" %)
519 (((
520 (% _mstvisible="7" %)
521 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
522 )))
523
524 (% _mstvisible="6" %)
525 (((
526 (% _mstvisible="7" %)
527 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
528 )))
529 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
530 (((
531 (% _mstvisible="6" %)
532 (((
533 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
534 BAT Status &
535 )))
536
537 (% _mstvisible="6" %)
538 (((
539 (% _mstvisible="7" %)
540 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
541 )))
542 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
543 (((
544 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
545 Status & Ext
546 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
547 (((
548 (% _mstvisible="6" %)
549 (((
550 (% _mstvisible="7" %)
551 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
552 )))
553 )))
554
555
556 (% _mstvisible="1" %)
557 * (% _msthash="2539669" _msttexthash="857922" _mstvisible="3" %)**Battery status & **(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**
558
559 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
560 (% _mstvisible="3" %)|=(% _msthash="1230918" _msttexthash="93158" _mstvisible="4" style="width: 65px;" %)Bit(bit)|=(% _msthash="1230919" _msttexthash="57954" _mstvisible="4" style="width: 267px;" %)[15:14]|=(% _msthash="1230920" _msttexthash="48022" _mstvisible="4" style="width: 134px;" %)[11:0]
561 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
562 (((
563 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
564 BAT Status
565
566 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
567 00(b): Ultra Low ( BAT <= 2.50v)
568
569 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
570 01(b): Low  (2.50v <=BAT <= 2.55v)
571
572 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
573 10(b): OK   (2.55v <= BAT <=2.65v)
574
575 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
576 11(b): Good   (BAT >= 2.65v)
577 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
578 (((
579 (% _mstvisible="6" %)
580 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
581
582 (% _mstvisible="6" %)
583
584 )))
585
586
587 (% _mstvisible="1" %)
588 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
589
590 (% _mstvisible="1" %)
591 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
592
593 (% _mstvisible="1" %)
594 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
595 * 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.
596 * 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)
597
598
599
600 (% _mstvisible="1" %)
601 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
602
603 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
604 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:
605
606 (% _mstvisible="1" %)
607 (((
608 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
609 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
610 )))
611
612 (% _mstvisible="1" %)
613 (((
614 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
615 (% _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.
616 )))
617
618 (% _mstvisible="1" %)
619 (((
620 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
621 Add Datacake:
622 )))
623
624 (% _mstvisible="1" %)
625 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
626
627
628 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
629 Select default key as Access Key:
630
631 (% _mstvisible="1" %)
632 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
633
634 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
635 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
636
637 (% _mstvisible="1" %)
638 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
639
640 (% _mstvisible="1" %)
641 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
642
643
644
645 (% _mstvisible="1" %)
646 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
647
648 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
649 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.
650
651
652 (% _mstvisible="1" %)
653 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
654
655 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
656 There are two methods:
657
658 (% _mstvisible="1" %)
659 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
660 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.
661
662
663
664 (% _mstvisible="1" %)
665 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
666
667 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
668 LHT65N uses Unix TimeStamp format based on
669
670 (% _mstvisible="1" %)
671 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
672
673
674 (% _mstvisible="1" %)
675 (((
676 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
677 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
678 )))
679
680 (% _mstvisible="1" %)
681 (((
682 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
683 Below is the converter example
684 )))
685
686 (% _mstvisible="1" %)
687 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
688
689 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
690 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
691
692
693 (% _mstvisible="1" %)
694 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
695
696 (% _mstvisible="1" %)
697 (((
698 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
699 There are two ways to set device’s time:
700 )))
701
702 (% _mstvisible="1" %)
703 (((
704 (% _mstvisible="2" %)
705 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
706 )))
707
708 (% _mstvisible="1" %)
709 (((
710 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
711 User need to set SYNCMOD=1 to enable sync time via MAC command.
712 )))
713
714 (% _mstvisible="1" %)
715 (((
716 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
717 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).
718 )))
719
720 (% _mstvisible="1" %)
721 (((
722 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
723 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.
724 )))
725
726 (% _mstvisible="1" %)
727 (((
728 (% _mstvisible="2" %)
729
730 )))
731
732 (% _mstvisible="1" %)
733 (((
734 (% _mstvisible="2" %)
735 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
736 )))
737
738 (% _mstvisible="1" %)
739 (((
740 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
741 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
742
743 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
744
745 )))
746
747 (% _mstvisible="1" %)
748 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
749
750 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
751 User can poll sensor value based on timestamps from the server. Below is the downlink command.
752
753 (% _mstvisible="1" %)
754 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
755
756 (% _mstvisible="1" %)
757 (((
758 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
759 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.
760 )))
761
762 (% _mstvisible="1" %)
763 (((
764 (% _mstvisible="2" %)
765 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
766 )))
767
768 (% _mstvisible="1" %)
769 (((
770 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
771 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
772 )))
773
774 (% _mstvisible="1" %)
775 (((
776 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
777 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
778 )))
779
780
781 (% _mstvisible="1" %)
782 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
783
784 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
785 The Datalog poll reply uplink will use below payload format.
786
787 (% _mstvisible="1" %)
788 (((
789 (% _mstvisible="2" %)
790 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
791 )))
792
793 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
794 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
795 (((
796 (% _mstvisible="6" %)
797 (((
798 (% _mstvisible="7" %)
799 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
800 )))
801 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
802 (((
803 (% _mstvisible="6" %)
804 (((
805 (% _mstvisible="7" %)
806 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
807 )))
808 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
809 (((
810 (% _mstvisible="6" %)
811 (((
812 (% _mstvisible="7" %)
813 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
814 )))
815 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
816 (((
817 (% _mstvisible="6" %)
818 (((
819 (% _mstvisible="7" %)
820 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
821 )))
822 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
823 (((
824 (% _mstvisible="6" %)
825 (((
826 (% _mstvisible="7" %)
827 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
828 )))
829 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
830 (((
831 (% _mstvisible="6" %)
832 (((
833 (% _mstvisible="7" %)
834 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
835 )))
836 )))
837 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
838 (((
839 (% _mstvisible="6" %)
840 (((
841 (% _mstvisible="7" %)
842 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
843 )))
844 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
845 (((
846 (% _mstvisible="6" %)
847 (((
848 (% _mstvisible="7" %)
849 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
850 )))
851 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
852 (((
853 (% _mstvisible="6" %)
854 (((
855 (% _mstvisible="7" %)
856 (((
857 (% _mstvisible="8" %)
858 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
859 )))
860 )))
861
862 (% _mstvisible="6" %)
863 (((
864 (% _mstvisible="7" %)
865 (((
866 (% _mstvisible="8" %)
867 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
868 )))
869 )))
870 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
871 (((
872 (% _mstvisible="6" %)
873 (((
874 (% _mstvisible="7" %)
875 (((
876 (% _mstvisible="8" %)
877 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
878 )))
879 )))
880
881 (% _mstvisible="6" %)
882 (((
883 (% _mstvisible="7" %)
884 (((
885 (% _mstvisible="8" %)
886 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
887 )))
888 )))
889 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
890 (((
891 (% _mstvisible="6" %)
892 (((
893 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
894 Poll message flag & Ext
895 )))
896 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
897 (((
898 (% _mstvisible="6" %)
899 (((
900 (% _mstvisible="7" %)
901 (((
902 (% _mstvisible="8" %)
903 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
904 )))
905 )))
906
907 (% _mstvisible="6" %)
908 (((
909 (% _mstvisible="7" %)
910 (((
911 (% _mstvisible="8" %)
912
913 )))
914 )))
915 )))
916
917 (% _mstvisible="1" %)
918 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
919
920 (% _mstvisible="1" %)
921 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
922
923 (% _mstvisible="1" %)
924 (((
925 (% _mstvisible="2" %)
926 (((
927 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
928 Poll Message Flag: 1: This message is a poll message reply.
929 )))
930 )))
931
932 (% _mstvisible="1" %)
933 * (% _mstvisible="3" %)
934 (((
935 (% _mstvisible="4" %)
936 (((
937 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
938 Poll Message Flag is set to 1.
939 )))
940 )))
941 * (% _mstvisible="3" %)
942 (((
943 (% _mstvisible="4" %)
944 (((
945 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
946 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
947 )))
948 )))
949
950 (% _mstvisible="1" %)
951 (((
952 (% _mstvisible="2" %)
953 (((
954 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
955
956
957 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
958 For example, in US915 band, the max payload for different DR is:
959 )))
960 )))
961
962 (% _mstvisible="1" %)
963 (((
964 (% _mstvisible="2" %)
965 (((
966 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
967 a) DR0: max is 11 bytes so one entry of data
968 )))
969 )))
970
971 (% _mstvisible="1" %)
972 (((
973 (% _mstvisible="2" %)
974 (((
975 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
976 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
977 )))
978 )))
979
980 (% _mstvisible="1" %)
981 (((
982 (% _mstvisible="2" %)
983 (((
984 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
985 c) DR2: total payload includes 11 entries of data
986 )))
987 )))
988
989 (% _mstvisible="1" %)
990 (((
991 (% _mstvisible="2" %)
992 (((
993 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
994 d) DR3: total payload includes 22 entries of data.
995 )))
996 )))
997
998 (% _mstvisible="1" %)
999 (((
1000 (% _mstvisible="2" %)
1001 (((
1002 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1003 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1004 )))
1005 )))
1006
1007
1008 (% _mstvisible="1" style="text-align: left;" %)
1009 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1010
1011 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1012 If LHT65N has below data inside Flash:
1013
1014 (% _mstvisible="1" %)
1015 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1016
1017 (% _mstvisible="1" %)
1018 (((
1019 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1020 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1021 )))
1022
1023 (% _mstvisible="1" %)
1024 (((
1025 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1026 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1027 )))
1028
1029 (% _mstvisible="1" %)
1030 (((
1031 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1032 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1033 )))
1034
1035 (% _mstvisible="1" %)
1036 (((
1037 (% _mstvisible="2" %)
1038
1039 )))
1040
1041 (% _mstvisible="1" %)
1042 (((
1043 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1044 LHT65N will uplink this payload.
1045 )))
1046
1047 (% _mstvisible="1" %)
1048 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1049
1050 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1051 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1052
1053 Where the first 11 bytes is for the first entry:
1054
1055 7FFF089801464160065F97
1056
1057 Ext sensor data=0x7FFF/100=327.67
1058
1059 Temp=0x0898/100=22.00
1060
1061 Hum=0x0146/10=32.6
1062
1063 poll message flag & Ext=0x41,means reply data,Ext=1
1064
1065 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1066
1067
1068 (% _mstvisible="1" style="text-align: left;" %)
1069 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1070
1071 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1072 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.
1073
1074 (% _mstvisible="1" %)
1075 (((
1076 (% _mstvisible="2" style="text-align: left;" %)
1077 (% _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.
1078 )))
1079
1080 (% _mstvisible="1" style="text-align: left;" %)
1081 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1082
1083 (% _mstvisible="1" class="box infomessage" %)
1084 (((
1085 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1086 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%): Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1087
1088 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1089 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%): The interval between checking the alarm temperature. (In minutes)
1090
1091 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1092 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%): Gets or sets the alarm range of the internal temperature sensor
1093
1094 (% _mstvisible="2" style="text-align: left;" %)
1095 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%): Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1096
1097 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1098 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%): Set the internal temperature sensor alarm range from 45 to 105.
1099 )))
1100
1101
1102
1103 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1104 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1105
1106 (% _mstvisible="1" %)
1107 (((
1108 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1109 The LHT65 has a triple color LED which for easy showing different stage .
1110
1111 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1112 While user press ACT button, the LED will work as per LED status with ACT button.
1113 )))
1114
1115 (% _mstvisible="1" %)
1116 (((
1117 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1118 In a normal working state:
1119 )))
1120
1121 (% _mstvisible="1" %)
1122 * (% _mstvisible="3" %)
1123 (((
1124 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1125 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1126
1127 (% _msthash="197771" _msttexthash="1202526" %)
1128 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1129 )))
1130 * (% _mstvisible="3" %)
1131 (((
1132 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1133 RED LED when external sensor is not connected
1134 )))
1135 * (% _mstvisible="3" %)
1136 (((
1137 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1138 For each success downlink, the PURPLE LED will blink once
1139 )))
1140
1141
1142 (% _mstvisible="1" style="text-align: left;" %)
1143 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1144
1145 (% _mstvisible="1" %)
1146 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1147
1148
1149 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1150 = (% _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(%%) =
1151
1152 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1153 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(%%) E3 Temperature Probe ==
1154
1155 (% _mstvisible="1" %)
1156 [[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"]]
1157
1158
1159 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1160 Temperature sensor with 2 meters cable long
1161
1162 (% _mstvisible="1" %)
1163 * Resolution: 0.0625 °C
1164 * ±0.5°C accuracy from -10°C to +85°C
1165 * ±2°C accuracy from -55°C to +125°C
1166 * Operating Range: -40 ~~ 125 °C
1167 * -55°C to 125°C
1168 * Working voltage 2.35v ~~ 5v
1169
1170
1171
1172 (% _mstvisible="1" style="text-align: left;" %)
1173 = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1174
1175 (% _mstvisible="1" %)
1176 (((
1177 (% _msthash="506246" _msttexthash="2005926" _mstvisible="2" style="text-align: left;" %)
1178 Use can configure LHT65N via AT Command or LoRaWAN Downlink.
1179 )))
1180
1181 (% _mstvisible="1" %)
1182 * (% _mstvisible="3" %)
1183 (((
1184 (% _msthash="903318" _msttexthash="635544" _mstvisible="4" %)
1185 AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
1186 )))
1187 * (% _mstvisible="3" %)
1188 (((
1189 (% _msthash="903319" _msttexthash="2004301" _mstvisible="4" %)
1190 LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
1191 )))
1192
1193 (% _mstvisible="1" %)
1194 (((
1195 (% _mstvisible="2" style="text-align: left;" %)
1196
1197 )))
1198
1199 (% _mstvisible="1" %)
1200 (((
1201 (% _msthash="506248" _msttexthash="2144051" _mstvisible="2" style="text-align: left;" %)
1202 There are two kinds of commands to configure LHT65N, they are:
1203 )))
1204
1205 (% _mstvisible="1" %)
1206 (((
1207 (% _mstvisible="2" style="text-align: left;" %)
1208 (% _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" %).
1209 )))
1210
1211 (% _mstvisible="1" %)
1212 (((
1213 (% _msthash="506250" _msttexthash="774527" _mstvisible="2" style="text-align: left;" %)
1214 These commands are to configure:
1215 )))
1216
1217 (% _mstvisible="1" %)
1218 * (% _mstvisible="3" %)
1219 (((
1220 (% _msthash="903320" _msttexthash="1503580" _mstvisible="4" %)
1221 General system settings like: uplink interval.
1222 )))
1223 * (% _mstvisible="3" %)
1224 (((
1225 (% _msthash="903321" _msttexthash="1244334" _mstvisible="4" %)
1226 LoRaWAN protocol & radio-related commands.
1227 )))
1228
1229 (% _mstvisible="1" %)
1230 (((
1231 (% _msthash="506251" _msttexthash="8343023" _mstvisible="2" style="text-align: left;" %)
1232 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]]
1233 )))
1234
1235 (% _mstvisible="1" %)
1236 (((
1237 (% _mstvisible="2" style="text-align: left;" %)
1238
1239 )))
1240
1241 (% _mstvisible="1" %)
1242 (((
1243 (% _mstvisible="2" style="text-align: left;" %)
1244 (% _mstvisible="3" style="color:#4f81bd" %)* **Commands special design for LHT65N**
1245 )))
1246
1247 (% _mstvisible="1" %)
1248 (((
1249 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1250 These commands are only valid for LHT65N, as below:
1251
1252 (% _msthash="506254" _msttexthash="1501357" _mstvisible="2" style="text-align: left;" %)
1253
1254 )))
1255
1256 (% _mstvisible="1" style="text-align: left;" %)
1257 == (% _msthash="708253" _msttexthash="668772" _mstvisible="3" %)4.1 Set Transmit Interval Time(%%) ==
1258
1259 (% _msthash="315355" _msttexthash="1659268" _mstvisible="1" style="text-align: left;" %)
1260 Feature: Change LoRaWAN End Node Transmit Interval.
1261
1262 (% _mstvisible="1" style="text-align: left;" %)
1263 (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1264
1265 (% _mstvisible="1" %)
1266 [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
1267
1268 (% _mstvisible="1" %)
1269 (((
1270 (% _mstvisible="2" style="text-align: left;" %)
1271
1272
1273 (% _mstvisible="2" style="text-align: left;" %)
1274 (% style="color:#4f81bd" %)**Downlink Command: 0x01**
1275 )))
1276
1277 (% _mstvisible="1" %)
1278 (((
1279 (% _msthash="506256" _msttexthash="1996592" _mstvisible="2" style="text-align: left;" %)
1280 Format: Command Code (0x01) followed by 3 bytes time value.
1281 )))
1282
1283 (% _mstvisible="1" %)
1284 (((
1285 (% _msthash="506257" _msttexthash="12934649" _mstvisible="2" style="text-align: left;" %)
1286 If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1287 )))
1288
1289 (% _mstvisible="1" %)
1290 * (% _mstvisible="3" %)
1291 (((
1292 (% _msthash="903322" _msttexthash="3250546" _mstvisible="4" %)
1293 (% _mstvisible="5" %)**Example 1**(%%): Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1294 )))
1295 * (% _mstvisible="3" %)
1296 (((
1297 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1298 (% _mstvisible="5" %)**Example 2**(%%): Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1299
1300
1301 (% _msthash="903323" _msttexthash="3253315" _mstvisible="4" %)
1302
1303 )))
1304
1305 (% _mstvisible="1" style="text-align: left;" %)
1306 == (% _msthash="614770" _msttexthash="578240" _mstvisible="3" %)4.2 Set External Sensor Mode(%%) ==
1307
1308 (% _msthash="315357" _msttexthash="975117" _mstvisible="1" style="text-align: left;" %)
1309 Feature: Change External Sensor Mode.
1310
1311 (% _mstvisible="1" style="text-align: left;" %)
1312 (% style="color:#4f81bd" %)**AT Command: AT+EXT**
1313
1314 (% _mstvisible="1" %)
1315 [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
1316
1317 (% _mstvisible="1" %)
1318 (((
1319 (% _mstvisible="2" style="text-align: left;" %)
1320
1321
1322 (% _mstvisible="2" style="text-align: left;" %)
1323 (% style="color:#4f81bd" %)**Downlink Command: 0xA2**
1324 )))
1325
1326 (% _mstvisible="1" %)
1327 (((
1328 (% _msthash="506259" _msttexthash="395629" _mstvisible="2" style="text-align: left;" %)
1329 Total bytes: 2 ~~ 5 bytes
1330 )))
1331
1332 (% _mstvisible="1" %)
1333 (((
1334 (% _mstvisible="2" %)
1335 (% _msthash="506260" _msttexthash="104767" _mstvisible="4" %)**Example:**
1336 )))
1337
1338 (% _mstvisible="1" %)
1339 * (% _mstvisible="3" %)
1340 (((
1341 (% _msthash="903324" _msttexthash="934973" _mstvisible="4" %)
1342 0xA201: Set external sensor type to E1
1343 )))
1344 * (% _mstvisible="3" %)
1345 (((
1346 (% _msthash="903325" _msttexthash="354770" _mstvisible="4" %)
1347 0xA209: Same as AT+EXT=9
1348 )))
1349 * (% _mstvisible="3" %)
1350 (((
1351 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1352 0xA20702003c,Same as AT+SETCNT=60
1353
1354
1355 (% _msthash="903326" _msttexthash="639067" _mstvisible="4" %)
1356
1357 )))
1358
1359 (% _mstvisible="1" style="text-align: left;" %)
1360 == (% _msthash="1562483" _msttexthash="1445717" _mstvisible="3" %)4.3 Enable/Disable uplink Temperature probe ID(%%) ==
1361
1362 (% _msthash="315359" _msttexthash="2977572" _mstvisible="1" style="text-align: left;" %)
1363 Feature: If PID is enabled, device will send the temperature probe ID on:
1364
1365 (% _mstvisible="1" %)
1366 * First Packet after OTAA Join
1367 * Every 24 hours since the first packet.
1368
1369 (% _msthash="315360" _msttexthash="658814" _mstvisible="1" style="text-align: left;" %)
1370 PID is default set to disable (0)
1371
1372 (% _mstvisible="1" style="text-align: left;" %)
1373 (% style="color:#4f81bd" %)**AT Command:**
1374
1375 (% _mstvisible="1" %)
1376 [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1377
1378
1379 (% _mstvisible="1" style="text-align: left;" %)
1380 (% style="color:#4f81bd" %)**Downlink Command:**
1381
1382 (% _mstvisible="1" %)
1383 * 0xA800  **~-~->** AT+PID=0
1384 * 0xA801     **~-~->** AT+PID=1
1385
1386
1387
1388 (% _mstvisible="1" style="text-align: left;" %)
1389 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1390
1391 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1392 Feature: Set device password, max 9 digits
1393
1394 (% _mstvisible="1" style="text-align: left;" %)
1395 (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1396
1397 (% _mstvisible="1" %)
1398 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1399
1400 (% _mstvisible="1" %)
1401 (((
1402 (% _mstvisible="2" style="text-align: left;" %)
1403
1404
1405 (% _mstvisible="2" style="text-align: left;" %)
1406 (% style="color:#4f81bd" %)**Downlink Command:**
1407 )))
1408
1409 (% _mstvisible="1" %)
1410 (((
1411 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1412 No downlink command for this feature.
1413
1414 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1415
1416 )))
1417
1418 (% _mstvisible="1" style="text-align: left;" %)
1419 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1420
1421 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1422 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1423
1424 (% _mstvisible="1" style="text-align: left;" %)
1425 (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1426
1427 (% _mstvisible="1" %)
1428 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1429
1430
1431 (% _mstvisible="1" style="text-align: left;" %)
1432 (% style="color:#4f81bd" %)**Downlink Command:**
1433
1434 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1435 No downlink command for this feature.
1436
1437
1438 (% _mstvisible="1" style="text-align: left;" %)
1439 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1440
1441 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1442 Feature: Set device to sleep mode
1443
1444 (% _mstvisible="1" style="text-align: left;" %)
1445 (% style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1446
1447 (% _mstvisible="1" %)
1448 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1449
1450
1451 (% _mstvisible="1" %)
1452 (% style="color:#4f81bd" %)**Downlink Command:**
1453
1454 (% _mstvisible="1" %)
1455 * There is no downlink command to set to Sleep mode.
1456
1457
1458
1459 (% _mstvisible="1" %)
1460 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1461
1462 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1463 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1464
1465 (% _mstvisible="1" %)
1466 (% style="color:#4f81bd" %)**AT Command:**
1467
1468 (% _mstvisible="1" %)
1469 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1470
1471
1472 (% _mstvisible="1" %)
1473 (% style="color:#4f81bd" %)**Downlink Command:**
1474
1475 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1476 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1477
1478
1479 (% _mstvisible="1" %)
1480 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1481
1482 (% _mstvisible="1" %)
1483 (((
1484 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1485 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1486 )))
1487
1488 (% _mstvisible="1" %)
1489 (((
1490 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1491 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.
1492 )))
1493
1494 (% _mstvisible="1" %)
1495 (((
1496 (% _mstvisible="2" %)
1497 (% style="color:#4f81bd" %)**AT Command:**
1498 )))
1499
1500 (% _mstvisible="1" %)
1501 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1502
1503
1504 (% _mstvisible="1" %)
1505 (% style="color:#4f81bd" %)**Downlink Command:**
1506
1507 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1508 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1509
1510 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1511 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1512
1513
1514 (% _mstvisible="1" %)
1515 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1516
1517 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1518 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1519
1520 (% _mstvisible="1" %)
1521 (% style="color:#4f81bd" %)**AT Command:**
1522
1523 (% _mstvisible="1" %)
1524 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1525
1526
1527 (% _mstvisible="1" %)
1528 (% style="color:#4f81bd" %)**Downlink Command:**
1529
1530 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1531 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1532
1533
1534 (% _mstvisible="1" %)
1535 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1536
1537 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1538 Feature: Print the sector data from start page to stop page (max is 416 pages).
1539
1540 (% _mstvisible="1" %)
1541 (% style="color:#4f81bd" %)**AT Command: AT+PDTA**
1542
1543 (% _mstvisible="1" %)
1544 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1545
1546
1547 (% _mstvisible="1" %)
1548 (% style="color:#4f81bd" %)**Downlink Command:**
1549
1550 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1551 No downlink commands for feature
1552
1553
1554 (% _mstvisible="1" %)
1555 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1556
1557 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1558 Feature: Print the last few data entries
1559
1560 (% _mstvisible="1" %)
1561 (% style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1562
1563 (% _mstvisible="1" %)
1564 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1565
1566
1567 (% _mstvisible="1" %)
1568 (% style="color:#4f81bd" %)**Downlink Command:**
1569
1570 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1571 No downlink commands for feature
1572
1573
1574 (% _mstvisible="1" %)
1575 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1576
1577 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1578 Feature: Clear flash storage for data log feature.
1579
1580 (% _mstvisible="1" %)
1581 (% style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1582
1583 (% _mstvisible="1" %)
1584 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1585
1586
1587 (% _mstvisible="1" %)
1588 (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1589
1590 (% _mstvisible="1" %)
1591 * Example: 0xA301 ~/~/Same as AT+CLRDTA
1592
1593
1594
1595 (% _mstvisible="1" %)
1596 == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1597
1598 (% _msthash="315394" _msttexthash="51837149" _mstvisible="1" %)
1599 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.
1600
1601
1602 (% _mstvisible="1" %)
1603 (% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1604
1605 (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1606 The default factory setting is 0
1607
1608 (% _mstvisible="1" border="1" style="background-color:#ffffcc; color:green; width:450px" %)
1609 (% _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**
1610 (% _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
1611
1612 (% _mstvisible="1" %)
1613 (% style="color:#4f81bd" %)**Downlink Command: 0x34**
1614
1615 (% _mstvisible="1" %)
1616 * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1617
1618
1619
1620 (% _mstvisible="1" %)
1621 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1622
1623 (% _mstvisible="1" %)
1624 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1625
1626 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1627 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.
1628
1629 (% _mstvisible="1" %)
1630 (((
1631 (% _mstvisible="2" %)
1632 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1633 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1634 )))
1635
1636 (% _mstvisible="1" %)
1637 (((
1638 (% _mstvisible="2" %)
1639 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1640
1641 )))
1642
1643 (% _mstvisible="1" %)
1644 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1645
1646 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1647 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.
1648
1649 (% _mstvisible="1" %)
1650 [[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"]]
1651
1652 (% _mstvisible="1" %)
1653 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1654
1655 (% _mstvisible="1" %)
1656 (((
1657 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1658 (((
1659 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:
1660 [[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]]
1661 )))
1662
1663 (((
1664
1665 )))
1666
1667 (((
1668 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]]
1669 )))
1670
1671
1672 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1673 = (% _msthash="183170" _msttexthash="163566" _mstvisible="3" %)6. FAQ(%%) =
1674
1675 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1676 == 6.1 How to use AT Command? ==
1677
1678 (((
1679 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.
1680 )))
1681
1682 [[image:image-20220530085651-1.png]]
1683
1684
1685 **Connection:**
1686
1687 ✓** USB to TTL GND <~-~->GND**
1688
1689 **✓ USB to TTL RXD <~-~-> D+**
1690
1691 **✓ USB to TTL TXD <~-~-> A11**
1692
1693 **✓ USB to TTL 3.3V <~-~-> D-**
1694
1695
1696 (((
1697 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.
1698 )))
1699
1700 (((
1701 Input password and ATZ to activate LHT65N,As shown below:
1702 )))
1703
1704 [[image:image-20220530095701-4.png]]
1705
1706
1707 AT Command List is as below:
1708
1709 AT+<CMD>? : Help on <CMD>
1710
1711 AT+<CMD> : Run <CMD>
1712
1713 AT+<CMD>=<value> : Set the value
1714
1715 AT+<CMD>=? : Get the value
1716
1717 AT+DEBUG:Set more info output
1718
1719 ATZ: Trig a reset of the MCU
1720
1721 AT+FDR: Reset Parameters to Factory Default, Keys Reserve
1722
1723 AT+DEUI: Get or Set the Device EUI
1724
1725 AT+DADDR: Get or Set the Device Address
1726
1727 AT+APPKEY: Get or Set the Application Key
1728
1729 AT+NWKSKEY: Get or Set the Network Session Key
1730
1731 AT+APPSKEY: Get or Set the Application Session Key
1732
1733 AT+APPEUI: Get or Set the Application EUI
1734
1735 AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1736
1737 AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1738
1739 AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
1740
1741 AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1742
1743 AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1744
1745 AT+RX2FQ: Get or Set the Rx2 window frequency
1746
1747 AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1748
1749 AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1750
1751 AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1752
1753 AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1754
1755 AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1756
1757 AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1758
1759 AT+NWKID: Get or Set the Network ID
1760
1761 AT+FCU: Get or Set the Frame Counter Uplink
1762
1763 AT+FCD: Get or Set the Frame Counter Downlink
1764
1765 AT+CLASS: Get or Set the Device Class
1766
1767 AT+JOIN: Join network
1768
1769 AT+NJS: Get the join status
1770
1771 AT+SENDB: Send hexadecimal data along with the application port
1772
1773 AT+SEND: Send text data along with the application port
1774
1775 AT+RECVB: Print last received data in binary format (with hexadecimal values)
1776
1777 AT+RECV: Print last received data in raw format
1778
1779 AT+VER: Get current image version and Frequency Band
1780
1781 AT+CFM: Get or Set the confirmation mode (0-1)
1782
1783 AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1784
1785 AT+SNR: Get the SNR of the last received packet
1786
1787 AT+RSSI: Get the RSSI of the last received packet
1788
1789 AT+TDC: Get or set the application data transmission interval in ms
1790
1791 AT+PORT: Get or set the application port
1792
1793 AT+DISAT: Disable AT commands
1794
1795 AT+PWORD: Set password, max 9 digits
1796
1797 AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1798
1799 AT+CHE: Get or Set eight channels mode,Only for US915,AU915,CN470
1800
1801 AT+PDTA: Print the sector data from start page to stop page
1802
1803 AT+PLDTA: Print the last few sets of data
1804
1805 AT+CLRDTA: Clear the storage, record position back to 1st
1806
1807 AT+SLEEP: Set sleep mode
1808
1809 AT+EXT: Get or Set external sensor model
1810
1811 AT+BAT: Get the current battery voltage in mV
1812
1813 AT+CFG: Print all configurations
1814
1815 AT+WMOD: Get or Set Work Mode
1816
1817 AT+ARTEMP: Get or set the internal Temperature sensor alarm range
1818
1819 AT+CITEMP: Get or set the internal Temperature sensor collection interval in min
1820
1821 AT+SETCNT:Set the count at present
1822
1823 AT+RJTDC: Get or set the ReJoin data transmission interval in min
1824
1825 AT+RPL: Get or set response level
1826
1827 AT+TIMESTAMP: Get or Set UNIX timestamp in second
1828
1829 AT+LEAPSEC: Get or Set Leap Second
1830
1831 AT+SYNCMOD: Get or Set time synchronization method
1832
1833 AT+SYNCTDC: Get or set time synchronization interval in day
1834
1835 AT+PID: Get or set the PID
1836
1837
1838 )))
1839
1840 (% _mstvisible="1" %)
1841 = (% _msthash="183170" _msttexthash="163566" _mstvisible="3" %)7. Order Info(%%) =
1842
1843 (% _mstvisible="1" %)
1844 (((
1845 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
1846 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
1847 )))
1848
1849 (% _mstvisible="1" %)
1850 (((
1851 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
1852 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
1853 )))
1854
1855 (% _mstvisible="1" %)
1856 * (% _mstvisible="3" %)
1857 (((
1858 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
1859 (% _mstvisible="6" style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1860 )))
1861 * (% _mstvisible="3" %)
1862 (((
1863 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
1864 (% _mstvisible="6" style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1865 )))
1866 * (% _mstvisible="3" %)
1867 (((
1868 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
1869 (% _mstvisible="6" style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1870 )))
1871 * (% _mstvisible="3" %)
1872 (((
1873 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
1874 (% _mstvisible="6" style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1875 )))
1876 * (% _mstvisible="3" %)
1877 (((
1878 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
1879 (% _mstvisible="6" style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1880 )))
1881 * (% _mstvisible="3" %)
1882 (((
1883 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
1884 (% _mstvisible="6" style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1885 )))
1886 * (% _mstvisible="3" %)
1887 (((
1888 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
1889 (% _mstvisible="6" style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1890 )))
1891 * (% _mstvisible="3" %)
1892 (((
1893 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
1894 (% _mstvisible="6" style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1895 )))
1896
1897 (% _mstvisible="1" %)
1898 (((
1899 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
1900 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1901 )))
1902
1903 (% _mstvisible="1" %)
1904 * (% _mstvisible="3" %)
1905 (((
1906 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
1907 (% _mstvisible="6" style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1908
1909
1910 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
1911
1912 )))
1913
1914 (% _mstvisible="1" %)
1915 = (% _msthash="233363" _msttexthash="211237" _mstvisible="3" %)8. Packing Info(%%) =
1916
1917 (% _mstvisible="1" %)
1918 (((
1919 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
1920
1921
1922 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
1923 (% _mstvisible="3" %)**Package Includes**(%%):
1924 )))
1925
1926 (% _mstvisible="1" %)
1927 * (% _mstvisible="3" %)
1928 (((
1929 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
1930 LHT65N Temperature & Humidity Sensor x 1
1931 )))
1932 * (% _mstvisible="3" %)
1933 (((
1934 (% _msthash="903337" _msttexthash="242567" _mstvisible="4" %)
1935 Program cable x 1
1936 )))
1937 * (% _mstvisible="3" %)
1938 (((
1939 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
1940 Optional external sensor
1941 )))
1942
1943 (% _mstvisible="1" %)
1944 (((
1945 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
1946 (% _mstvisible="3" %)**Dimension and weight**(%%):
1947 )))
1948
1949 (% _mstvisible="1" %)
1950 * (% _mstvisible="3" %)
1951 (((
1952 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
1953 Device Size:  13.5 x 7 x 3 cm
1954 )))
1955 * (% _mstvisible="3" %)
1956 (((
1957 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
1958 Device Weight: 105g
1959 )))
1960 * (% _mstvisible="3" %)
1961 (((
1962 (% _msthash="903341" _msttexthash="562926" _mstvisible="4" %)
1963 Package Size / pcs : 14.5 x 8 x 5 cm
1964 )))
1965 * (% _mstvisible="3" %)
1966 (((
1967 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
1968 Weight / pcs : 170g
1969
1970
1971 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
1972
1973 )))
1974
1975 = 9. Reference =
1976
1977 * [[Datasheet, Photos, Decoder, Firmware>>https://www.dropbox.com/home/Products_Public_Document/LoRaWAN%20End%20Node/LHT65N%20Temperature%20%26%20Humidity%20Sensor]]
1978
1979
1980 = 10. FCC Warning =
1981
1982 (% _mstvisible="1" %)
1983 (((
1984 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
1985 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1986 )))
1987
1988 (% _mstvisible="1" %)
1989 (((
1990 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
1991 (1) This device may not cause harmful interference；
1992 )))
1993
1994 (% _mstvisible="1" %)
1995 (((
1996 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
1997 (2) this device must accept any interference received, including interference that may cause undesired operation.
1998 )))

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