Version 122.1 by Xiaoling on 2022/06/09 18:32
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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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33 (% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %)
34 The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
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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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83 == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
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91 (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
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95 * (% _mstvisible="3" %)
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98 Resolution: 0.01 °C
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100 * (% _mstvisible="3" %)
101 (((
102 (% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
103 Accuracy Tolerance : Typ ±0.3 °C
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105 * (% _mstvisible="3" %)
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107 (% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
108 Long Term Drift: < 0.02 °C/yr
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110 * (% _mstvisible="3" %)
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113 Operating Range: -40 ~~ 85 °C
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122 (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
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126 * (% _mstvisible="3" %)
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128 (% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
129 Resolution: 0.04 %RH
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131 * (% _mstvisible="3" %)
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133 (% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
134 Accuracy Tolerance : Typ ±3 %RH
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136 * (% _mstvisible="3" %)
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139 Long Term Drift: < 0.02 °C/yr
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144 Operating Range: 0 ~~ 96 %RH
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153 (% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
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157 * (% _mstvisible="3" %)
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160 Resolution: 0.0625 °C
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162 * (% _mstvisible="3" %)
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164 (% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
165 ±0.5°C accuracy from -10°C to +85°C
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167 * (% _mstvisible="3" %)
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170 ±2°C accuracy from -55°C to +125°C
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172 * (% _mstvisible="3" %)
173 (((
174 (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
175 Operating Range: -55 °C ~~ 125 °C
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183 = (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
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186 == (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
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191 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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197 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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204 == (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
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207 The LHT65N has two working modes:
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210 * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
211 * **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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216 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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220 [[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
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227 == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
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230 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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233 [[image:image-20220522232442-1.png||_mstalt="427830" _mstvisible="3" height="387" width="648"]]
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236 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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240 === (% _msthash="670592" _msttexthash="634075" _mstvisible="3" %)2.3.1 Step 1: Create Device n TTN(%%) ===
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243 Create a device in TTN V3 with the OTAA keys from LHT65N.
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246 Each LHT65N is shipped with a sticker with its device EUI, APP Key and APP EUI as below:
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249 [[image:image-20220522232812-2.png||_mstalt="428467" _mstvisible="3" height="219" width="279"]]
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252 User can enter these keys in the LoRaWAN Server portal. Below is TTN V3 screenshot:
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255 Add APP EUI in the application.
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258 [[image:image-20220522232916-3.png||_mstalt="430495" _mstvisible="3"]]
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267 Note: LHT65N use same payload as LHT65.
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270 [[image:image-20220522233026-6.png||_mstalt="429403" _mstvisible="3"]]
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274 Input APP EUI,  APP KEY and DEV EUI:
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277 [[image:image-20220522233118-7.png||_mstalt="430430" _mstvisible="3"]]
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282 === (% _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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284 (% _msthash="315248" _msttexthash="14452321" _mstvisible="1" %)
285 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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288 [[image:image-20220522233300-8.png||_mstalt="428389" _mstvisible="3" height="219" width="722"]]
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293 == (% _msthash="320879" _msttexthash="294970" _mstvisible="3" %)2.4 Uplink Payload(%%) ==
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295 (% _msthash="315249" _msttexthash="7722962" _mstvisible="1" %)
296 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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298 (% _msthash="315250" _msttexthash="1322711" _mstvisible="1" %)
299 After each uplink, the (% _mstvisible="3" style="color:blue" %)**BLUE LED**(%%) will blink once.
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301 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:426px" %)
302 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 97px;" %)(% _mstvisible="5" %)
303 (((
304 (% _mstvisible="6" %)
305 (% _msthash="1817478" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
306 )))|=(% _mstvisible="4" style="width: 39px;" %)(% _mstvisible="5" %)
307 (((
308 (% _mstvisible="6" %)
309 (% _msthash="1817479" _msttexthash="4550" _mstvisible="8" %)**2**
310 )))|=(% _mstvisible="4" style="width: 100px;" %)(% _mstvisible="5" %)
311 (((
312 (% _mstvisible="6" %)
313 (% _msthash="1817480" _msttexthash="4550" _mstvisible="8" %)**2**
314 )))|=(% _mstvisible="4" style="width: 77px;" %)(% _mstvisible="5" %)
315 (((
316 (% _mstvisible="6" %)
317 (% _msthash="1817481" _msttexthash="4550" _mstvisible="8" %)**2**
318 )))|=(% _mstvisible="4" style="width: 47px;" %)(% _mstvisible="5" %)
319 (((
320 (% _mstvisible="6" %)
321 (% _msthash="1817482" _msttexthash="4459" _mstvisible="8" %)**1**
322 )))|=(% _mstvisible="4" style="width: 51px;" %)(% _mstvisible="5" %)
323 (((
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325 (% _msthash="1817483" _msttexthash="4732" _mstvisible="8" %)**4**
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327 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:97px" %)(% _mstvisible="5" %)
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330 (% _msthash="1817484" _msttexthash="60203" _mstvisible="8" %)**Value**
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334 [[BAT>>||anchor="H2.4.2BAT-BatteryInfo" _msthash="1817485" _msttexthash="22594" _mstvisible="7"]]
335 )))|(% _mstvisible="4" style="width:100px" %)(% _mstvisible="5" %)
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340 [[Built-In Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224742" _msttexthash="405769" _mstvisible="8"]]
341 )))
342 )))|(% _mstvisible="4" style="width:77px" %)(% _mstvisible="5" %)
343 (((
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347 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2224743" _msttexthash="105872" _mstvisible="8"]]
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351 (((
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353 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224744" _msttexthash="117429" _mstvisible="8"]]
354 )))
355 )))|(% _mstvisible="4" style="width:47px" %)(% _mstvisible="5" %)
356 (((
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358 [[Ext>>||anchor="H2.4.5Ext23" _msthash="1817486" _msttexthash="32331" _mstvisible="7"]] #
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360 (((
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362 [[Ext value>>||anchor="H2.4.6Extvalue" _msthash="1817487" _msttexthash="116545" _mstvisible="7"]]
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366 * The First 6 bytes: has fix meanings for every LHT65N.
367 * The 7th byte (EXT #): defines the external sensor model.
368 * 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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373 === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
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375 (% _msthash="315251" _msttexthash="9786491" _mstvisible="1" %)
376 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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378 (% _msthash="315252" _msttexthash="3928483" _mstvisible="1" %)
379 Below is the position to put the decoder and LHT65N decoder can be download from here:
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382 [[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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385 [[image:image-20220522234118-10.png||_mstalt="451464" _mstvisible="3" height="353" width="729"]]
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389 (% _mstvisible="1" %)
390 === (% _msthash="411411" _msttexthash="383656" _mstvisible="3" %)2.4.2 BAT-Battery Info(%%) ===
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392 (% _msthash="315254" _msttexthash="3122912" _mstvisible="1" %)
393 These two bytes of BAT include the battery state and the actually voltage
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395 (% _mstvisible="1" %)
396 [[image:image-20220523152839-18.png||_mstalt="457613" _mstvisible="3"]]
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399 [[image:image-20220522235639-1.png||_mstalt="431392" _mstvisible="3" height="139" width="727"]]
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401 (% _msthash="315255" _msttexthash="871611" _mstvisible="1" %)
402 Check the battery voltage for LHT65N.
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405 * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
406 * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
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410 (% _mstvisible="1" %)
411 === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
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413 (% _mstvisible="1" %)
414 [[image:image-20220522235639-2.png||_mstalt="431756" _mstvisible="3" height="138" width="722"]]
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417 * Temperature:  0x0ABB/100=27.47℃
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419 (% _mstvisible="1" %)
420 [[image:image-20220522235639-3.png||_mstalt="432120" _mstvisible="3"]]
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423 * Temperature:  (0xF5C6-65536)/100=-26.18℃
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425
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427 (% _mstvisible="1" %)
428 === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
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430 (% _mstvisible="1" %)
431 [[image:image-20220522235639-4.png||_mstalt="432484" _mstvisible="3" height="138" width="722"]]
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434 * Humidity:    0x025C/10=60.4%
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436
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438 (% _mstvisible="1" %)
439 === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
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441 (% _msthash="315256" _msttexthash="552240" _mstvisible="1" %)
442 Bytes for External Sensor:
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444 (% _mstvisible="1" %)
445 [[image:image-20220523152822-17.png||_mstalt="454545" _mstvisible="3"]]
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448 (% _mstvisible="1" %)
449 === (% _msthash="221429" _msttexthash="200655" _mstvisible="3" %)2.4.6 Ext value(%%) ===
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451 (% _mstvisible="1" %)
452 ==== (% _msthash="1005901" _msttexthash="877578" _mstvisible="3" %)2.4.6.1 Ext~=1, E3 Temperature Sensor(%%) ====
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454 (% _mstvisible="1" %)
455 [[image:image-20220522235639-5.png||_mstalt="432848" _mstvisible="3"]]
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459 * DS18B20 temp=0x0ADD/100=27.81℃
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461 (% _msthash="315257" _msttexthash="1038479" _mstvisible="1" %)
462 The last 2 bytes of data are meaningless
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465 [[image:image-20220522235639-6.png||_mstalt="433212" _mstvisible="3"]]
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469 * External temperature= (0xF54F-65536)/100=-27.37℃
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471 (% _mstvisible="1" %)
472 (((
473 (% _msthash="506063" _msttexthash="1038479" _mstvisible="2" %)
474 The last 2 bytes of data are meaningless
475 )))
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477 (% _mstvisible="1" %)
478 (((
479 (% _msthash="506064" _msttexthash="21185632" _mstvisible="2" %)
480 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
481 )))
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483
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485 (% _mstvisible="1" %)
486 ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
487
488 (% _msthash="315258" _msttexthash="41539368" _mstvisible="1" %)
489 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:
490
491 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
492 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 96px;" %)(% _mstvisible="5" %)
493 (((
494 (% _mstvisible="6" %)
495 (% _msthash="1817488" _msttexthash="161122" _mstvisible="8" %)**Size(bytes)**
496 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
497 (((
498 (% _mstvisible="6" %)
499 (% _msthash="1817489" _msttexthash="4550" _mstvisible="8" %)**2**
500 )))|=(% _mstvisible="4" style="width: 99px;" %)(% _mstvisible="5" %)
501 (((
502 (% _mstvisible="6" %)
503 (% _msthash="1817490" _msttexthash="4550" _mstvisible="8" %)**2**
504 )))|=(% _mstvisible="4" style="width: 132px;" %)(% _mstvisible="5" %)
505 (((
506 (% _mstvisible="6" %)
507 (% _msthash="1817491" _msttexthash="4550" _mstvisible="8" %)**2**
508 )))|=(% _mstvisible="4" style="width: 54px;" %)(% _mstvisible="5" %)
509 (((
510 (% _mstvisible="6" %)
511 (% _msthash="1817492" _msttexthash="4459" _mstvisible="8" %)**1**
512 )))|=(% _mstvisible="4" style="width: 64px;" %)(% _mstvisible="5" %)
513 (((
514 (% _mstvisible="6" %)
515 (% _msthash="1817493" _msttexthash="4732" _mstvisible="8" %)**4**
516 )))
517 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:96px" %)(% _mstvisible="5" %)
518 (((
519 (% _mstvisible="6" %)
520 (% _msthash="1817494" _msttexthash="60203" _mstvisible="8" %)**Value**
521 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
522 (((
523 (% _mstvisible="6" %)
524 [[External temperature>>||anchor="H4.2SetExternalSensorMode" _msthash="1817495" _msttexthash="426517" _mstvisible="7"]]
525 )))|(% _mstvisible="4" style="width:99px" %)(% _mstvisible="5" %)
526 (((
527 (% _mstvisible="6" %)
528 (((
529 (% _mstvisible="7" %)
530 [[Built-In>>||anchor="H2.4.3Built-inTemperature" _msthash="2224745" _msttexthash="100464" _mstvisible="8"]]
531 )))
532
533 (% _mstvisible="6" %)
534 (((
535 (% _mstvisible="7" %)
536 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2224746" _msttexthash="184041" _mstvisible="8"]]
537 )))
538 )))|(% _mstvisible="4" style="width:132px" %)(% _mstvisible="5" %)
539 (((
540 (% _mstvisible="6" %)
541 (((
542 (% _msthash="2224747" _msttexthash="136331" _mstvisible="7" %)
543 BAT Status &
544 )))
545
546 (% _mstvisible="6" %)
547 (((
548 (% _mstvisible="7" %)
549 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2224748" _msttexthash="311181" _mstvisible="8"]]
550 )))
551 )))|(% _mstvisible="4" style="width:54px" %)(% _mstvisible="5" %)
552 (((
553 (% _msthash="1817496" _msttexthash="147225" _mstvisible="6" %)
554 Status & Ext
555 )))|(% _mstvisible="4" style="width:64px" %)(% _mstvisible="5" %)
556 (((
557 (% _mstvisible="6" %)
558 (((
559 (% _mstvisible="7" %)
560 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2224749" _msttexthash="227175" _mstvisible="8"]]
561 )))
562 )))
563
564 (% _mstvisible="1" %)
565 * (% _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**
566
567 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:469px" %)
568 (% _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]
569 (% _mstvisible="3" %)|(% _msthash="1230921" _msttexthash="60203" _mstvisible="4" style="width:65px" %)Value|(% _mstvisible="4" style="width:267px" %)(% _mstvisible="5" %)
570 (((
571 (% _msthash="1817497" _msttexthash="128427" _mstvisible="6" %)
572 BAT Status
573
574 (% _msthash="1817498" _msttexthash="472784" _mstvisible="6" %)
575 00(b): Ultra Low ( BAT <= 2.50v)
576
577 (% _msthash="1817499" _msttexthash="483678" _mstvisible="6" %)
578 01(b): Low  (2.50v <=BAT <= 2.55v)
579
580 (% _msthash="1817500" _msttexthash="440791" _mstvisible="6" %)
581 10(b): OK   (2.55v <= BAT <=2.65v)
582
583 (% _msthash="1817501" _msttexthash="334191" _mstvisible="6" %)
584 11(b): Good   (BAT >= 2.65v)
585 )))|(% _mstvisible="4" style="width:134px" %)(% _mstvisible="5" %)
586 (((
587 (% _mstvisible="6" %)
588 [[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="1817502" _msttexthash="311181" _mstvisible="7"]]
589
590 (% _mstvisible="6" %)
591
592 )))
593
594 (% _mstvisible="1" %)
595 * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
596
597 (% _mstvisible="1" %)
598 [[image:image-20220523152434-16.png||_mstalt="453921" _mstvisible="3"]]
599
600 (% _mstvisible="1" %)
601 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
602 * 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.
603 * 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)
604
605
606 (% _mstvisible="1" %)
607 == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
608
609 (% _msthash="315259" _msttexthash="20933341" _mstvisible="1" %)
610 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:
611
612 (% _mstvisible="1" %)
613 (((
614 (% _msthash="506065" _msttexthash="4753983" _mstvisible="2" %)
615 (% _mstvisible="3" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the LoRaWAN network.
616 )))
617
618 (% _mstvisible="1" %)
619 (((
620 (% _msthash="506066" _msttexthash="14696682" _mstvisible="2" %)
621 (% _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.
622 )))
623
624 (% _mstvisible="1" %)
625 (((
626 (% _msthash="506067" _msttexthash="180297" _mstvisible="2" %)
627 Add Datacake:
628 )))
629
630 (% _mstvisible="1" %)
631 [[image:image-20220523000825-7.png||_mstalt="429884" _mstvisible="3" height="262" width="583"]]
632
633
634 (% _msthash="315260" _msttexthash="750178" _mstvisible="1" %)
635 Select default key as Access Key:
636
637 (% _mstvisible="1" %)
638 [[image:image-20220523000825-8.png||_mstalt="430248" _mstvisible="3" height="453" width="406"]]
639
640 (% _msthash="315261" _msttexthash="2134964" _mstvisible="1" %)
641 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/||_mstvisible="2"]]) , add LHT65 device.
642
643 (% _mstvisible="1" %)
644 [[image:image-20220523000825-9.png||_mstalt="430612" _mstvisible="3" height="366" width="392"]]
645
646 (% _mstvisible="1" %)
647 [[image:image-20220523000825-10.png||_mstalt="450619" _mstvisible="3" height="413" width="728"]]
648
649
650
651 (% _mstvisible="1" %)
652 == (% _msthash="350454" _msttexthash="323544" _mstvisible="3" %)2.6 Datalog Feature(%%) ==
653
654 (% _msthash="315262" _msttexthash="32283004" _mstvisible="1" %)
655 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.
656
657
658 (% _mstvisible="1" %)
659 === (% _msthash="886158" _msttexthash="842426" _mstvisible="3" %)2.6.1 Ways to get datalog via LoRaWAN(%%) ===
660
661 (% _msthash="315263" _msttexthash="409604" _mstvisible="1" %)
662 There are two methods:
663
664 (% _mstvisible="1" %)
665 1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
666 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.
667
668
669 (% _mstvisible="1" %)
670 === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
671
672 (% _msthash="315264" _msttexthash="1182285" _mstvisible="1" %)
673 LHT65N uses Unix TimeStamp format based on
674
675 (% _mstvisible="1" %)
676 [[image:image-20220523001219-11.png||_mstalt="450450" _mstvisible="3" height="97" width="627"]]
677
678
679 (% _mstvisible="1" %)
680 (((
681 (% _msthash="506068" _msttexthash="2717234" _mstvisible="2" %)
682 User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/||_mstvisible="3"]] :
683 )))
684
685 (% _mstvisible="1" %)
686 (((
687 (% _msthash="506069" _msttexthash="709813" _mstvisible="2" %)
688 Below is the converter example
689 )))
690
691 (% _mstvisible="1" %)
692 [[image:image-20220523001219-12.png||_mstalt="450827" _mstvisible="3" height="298" width="720"]]
693
694 (% _msthash="315265" _msttexthash="15137317" _mstvisible="1" %)
695 So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
696
697
698 (% _mstvisible="1" %)
699 === (% _msthash="359294" _msttexthash="332748" _mstvisible="3" %)2.6.3 Set Device Time(%%) ===
700
701 (% _mstvisible="1" %)
702 (((
703 (% _msthash="506070" _msttexthash="4521946" _mstvisible="2" %)
704 There are two ways to set device’s time:
705 )))
706
707 (% _mstvisible="1" %)
708 (((
709 (% _mstvisible="2" %)
710 (% _msthash="506071" _msttexthash="1498471" _mstvisible="4" %)**1. Through LoRaWAN MAC Command (Default settings)**
711 )))
712
713 (% _mstvisible="1" %)
714 (((
715 (% _msthash="506072" _msttexthash="2126267" _mstvisible="2" %)
716 User need to set SYNCMOD=1 to enable sync time via MAC command.
717 )))
718
719 (% _mstvisible="1" %)
720 (((
721 (% _msthash="506073" _msttexthash="54430324" _mstvisible="2" %)
722 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).
723 )))
724
725 (% _mstvisible="1" %)
726 (((
727 (% _msthash="506074" _msttexthash="92531127" _mstvisible="2" %)
728 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.
729 )))
730
731 (% _mstvisible="1" %)
732 (((
733 (% _mstvisible="2" %)
734
735 )))
736
737 (% _mstvisible="1" %)
738 (((
739 (% _mstvisible="2" %)
740 (% _msthash="506075" _msttexthash="329719" _mstvisible="4" %)**2. Manually Set Time**
741 )))
742
743 (% _mstvisible="1" %)
744 (((
745 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
746 User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
747
748 (% _msthash="506076" _msttexthash="7889297" _mstvisible="2" %)
749
750 )))
751
752 (% _mstvisible="1" %)
753 === (% _msthash="460759" _msttexthash="430001" _mstvisible="3" %)2.6.4 Poll sensor value(%%) ===
754
755 (% _msthash="315266" _msttexthash="4955821" _mstvisible="1" %)
756 User can poll sensor value based on timestamps from the server. Below is the downlink command.
757
758 (% _mstvisible="1" %)
759 [[image:image-20220523152302-15.png||_mstalt="451581" _mstvisible="3"]]
760
761 (% _mstvisible="1" %)
762 (((
763 (% _msthash="506077" _msttexthash="14670916" _mstvisible="2" %)
764 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.
765 )))
766
767 (% _mstvisible="1" %)
768 (((
769 (% _mstvisible="2" %)
770 For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(% _mstvisible="3" style="display:none" %)
771 )))
772
773 (% _mstvisible="1" %)
774 (((
775 (% _msthash="506078" _msttexthash="6907459" _mstvisible="2" %)
776 Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
777 )))
778
779 (% _mstvisible="1" %)
780 (((
781 (% _msthash="506079" _msttexthash="23531573" _mstvisible="2" %)
782 Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
783 )))
784
785
786 (% _mstvisible="1" %)
787 === (% _msthash="650923" _msttexthash="614185" _mstvisible="3" %)2.6.5 Datalog Uplink payload(%%) ===
788
789 (% _msthash="315267" _msttexthash="2245087" _mstvisible="1" %)
790 The Datalog poll reply uplink will use below payload format.
791
792 (% _mstvisible="1" %)
793 (((
794 (% _mstvisible="2" %)
795 (% _msthash="506080" _msttexthash="451581" _mstvisible="4" %)**Retrieval data payload**
796 )))
797
798 (% _mstvisible="1" border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
799 (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 93px;" %)(% _mstvisible="5" %)
800 (((
801 (% _mstvisible="6" %)
802 (((
803 (% _mstvisible="7" %)
804 (% _msthash="2224750" _msttexthash="161122" _mstvisible="9" %)**Size(bytes)**
805 )))
806 )))|=(% _mstvisible="4" style="width: 71px;" %)(% _mstvisible="5" %)
807 (((
808 (% _mstvisible="6" %)
809 (((
810 (% _mstvisible="7" %)
811 (% _msthash="2224751" _msttexthash="4550" _mstvisible="9" %)**2**
812 )))
813 )))|=(% _mstvisible="4" style="width: 102px;" %)(% _mstvisible="5" %)
814 (((
815 (% _mstvisible="6" %)
816 (((
817 (% _mstvisible="7" %)
818 (% _msthash="2224752" _msttexthash="4550" _mstvisible="9" %)**2**
819 )))
820 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
821 (((
822 (% _mstvisible="6" %)
823 (((
824 (% _mstvisible="7" %)
825 (% _msthash="2224753" _msttexthash="4550" _mstvisible="9" %)**2**
826 )))
827 )))|=(% _mstvisible="4" style="width: 86px;" %)(% _mstvisible="5" %)
828 (((
829 (% _mstvisible="6" %)
830 (((
831 (% _mstvisible="7" %)
832 (% _msthash="2224754" _msttexthash="4459" _mstvisible="9" %)**1**
833 )))
834 )))|=(% _mstvisible="4" style="width: 48px;" %)(% _mstvisible="5" %)
835 (((
836 (% _mstvisible="6" %)
837 (((
838 (% _mstvisible="7" %)
839 (% _msthash="2224755" _msttexthash="4732" _mstvisible="9" %)**4**
840 )))
841 )))
842 (% _mstvisible="3" %)|(% _mstvisible="4" style="width:93px" %)(% _mstvisible="5" %)
843 (((
844 (% _mstvisible="6" %)
845 (((
846 (% _mstvisible="7" %)
847 (% _msthash="2224756" _msttexthash="60203" _mstvisible="9" %)**Value**
848 )))
849 )))|(% _mstvisible="4" style="width:71px" %)(% _mstvisible="5" %)
850 (((
851 (% _mstvisible="6" %)
852 (((
853 (% _mstvisible="7" %)
854 [[External sensor data>>||anchor="H2.4.6Extvalue" _msthash="2224757" _msttexthash="386672" _mstvisible="8"]]
855 )))
856 )))|(% _mstvisible="4" style="width:102px" %)(% _mstvisible="5" %)
857 (((
858 (% _mstvisible="6" %)
859 (((
860 (% _mstvisible="7" %)
861 (((
862 (% _mstvisible="8" %)
863 [[Built In>>||anchor="H2.4.3Built-inTemperature" _msthash="2671864" _msttexthash="91065" _mstvisible="9"]]
864 )))
865 )))
866
867 (% _mstvisible="6" %)
868 (((
869 (% _mstvisible="7" %)
870 (((
871 (% _mstvisible="8" %)
872 [[Temperature>>||anchor="H2.4.3Built-inTemperature" _msthash="2671865" _msttexthash="184041" _mstvisible="9"]]
873 )))
874 )))
875 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
876 (((
877 (% _mstvisible="6" %)
878 (((
879 (% _mstvisible="7" %)
880 (((
881 (% _mstvisible="8" %)
882 [[Built-in>>||anchor="H2.4.4Built-inHumidity" _msthash="2671866" _msttexthash="105872" _mstvisible="9"]]
883 )))
884 )))
885
886 (% _mstvisible="6" %)
887 (((
888 (% _mstvisible="7" %)
889 (((
890 (% _mstvisible="8" %)
891 [[Humidity>>||anchor="H2.4.4Built-inHumidity" _msthash="2671867" _msttexthash="117429" _mstvisible="9"]]
892 )))
893 )))
894 )))|(% _mstvisible="4" style="width:86px" %)(% _mstvisible="5" %)
895 (((
896 (% _mstvisible="6" %)
897 (((
898 (% _msthash="2224758" _msttexthash="390390" _mstvisible="7" %)
899 Poll message flag & Ext
900 )))
901 )))|(% _mstvisible="4" style="width:48px" %)(% _mstvisible="5" %)
902 (((
903 (% _mstvisible="6" %)
904 (((
905 (% _mstvisible="7" %)
906 (((
907 (% _mstvisible="8" %)
908 [[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp" _msthash="2671868" _msttexthash="227175" _mstvisible="9"]]
909 )))
910 )))
911
912 (% _mstvisible="6" %)
913 (((
914 (% _mstvisible="7" %)
915 (((
916 (% _mstvisible="8" %)
917
918 )))
919 )))
920 )))
921
922 (% _mstvisible="1" %)
923 (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
924
925 (% _mstvisible="1" %)
926 [[image:image-20220523152208-14.png||_mstalt="452920" _mstvisible="3"]]
927
928 (% _mstvisible="1" %)
929 (((
930 (% _mstvisible="2" %)
931 (((
932 (% _msthash="736723" _msttexthash="2005003" _mstvisible="3" %)
933 Poll Message Flag: 1: This message is a poll message reply.
934 )))
935 )))
936
937 (% _mstvisible="1" %)
938 * (% _mstvisible="3" %)
939 (((
940 (% _mstvisible="4" %)
941 (((
942 (% _msthash="1197157" _msttexthash="561548" _mstvisible="5" %)
943 Poll Message Flag is set to 1.
944 )))
945 )))
946 * (% _mstvisible="3" %)
947 (((
948 (% _mstvisible="4" %)
949 (((
950 (% _msthash="1197158" _msttexthash="9284964" _mstvisible="5" %)
951 Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
952 )))
953 )))
954
955 (% _mstvisible="1" %)
956 (((
957 (% _mstvisible="2" %)
958 (((
959 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
960
961
962 (% _msthash="736724" _msttexthash="2242344" _mstvisible="3" %)
963 For example, in US915 band, the max payload for different DR is:
964 )))
965 )))
966
967 (% _mstvisible="1" %)
968 (((
969 (% _mstvisible="2" %)
970 (((
971 (% _msthash="736725" _msttexthash="1065532" _mstvisible="3" %)
972 a) DR0: max is 11 bytes so one entry of data
973 )))
974 )))
975
976 (% _mstvisible="1" %)
977 (((
978 (% _mstvisible="2" %)
979 (((
980 (% _msthash="736726" _msttexthash="3265665" _mstvisible="3" %)
981 b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
982 )))
983 )))
984
985 (% _mstvisible="1" %)
986 (((
987 (% _mstvisible="2" %)
988 (((
989 (% _msthash="736727" _msttexthash="1454115" _mstvisible="3" style="text-align: left;" %)
990 c) DR2: total payload includes 11 entries of data
991 )))
992 )))
993
994 (% _mstvisible="1" %)
995 (((
996 (% _mstvisible="2" %)
997 (((
998 (% _msthash="736728" _msttexthash="1483924" _mstvisible="3" style="text-align: left;" %)
999 d) DR3: total payload includes 22 entries of data.
1000 )))
1001 )))
1002
1003 (% _mstvisible="1" %)
1004 (((
1005 (% _mstvisible="2" %)
1006 (((
1007 (% _msthash="736729" _msttexthash="5848349" _mstvisible="3" style="text-align: left;" %)
1008 If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
1009 )))
1010 )))
1011
1012
1013 (% _mstvisible="1" style="text-align: left;" %)
1014 (% _msthash="315269" _msttexthash="104767" _mstvisible="3" %)**Example:**
1015
1016 (% _msthash="315270" _msttexthash="913822" _mstvisible="1" style="text-align: left;" %)
1017 If LHT65N has below data inside Flash:
1018
1019 (% _mstvisible="1" %)
1020 [[image:image-20220523144455-1.png||_mstalt="430040" _mstvisible="3" height="335" width="735"]]
1021
1022 (% _mstvisible="1" %)
1023 (((
1024 (% _msthash="506081" _msttexthash="1663961" _mstvisible="2" style="text-align: left;" %)
1025 If user sends below downlink command: (% _mstvisible="3" style="background-color:yellow" %)3160065F9760066DA705
1026 )))
1027
1028 (% _mstvisible="1" %)
1029 (((
1030 (% _msthash="506082" _msttexthash="1092494" _mstvisible="2" style="text-align: left;" %)
1031 Where : Start time: 60065F97 = time 21/1/19 04:27:03
1032 )))
1033
1034 (% _mstvisible="1" %)
1035 (((
1036 (% _msthash="506083" _msttexthash="737269" _mstvisible="2" style="text-align: left;" %)
1037 Stop time 60066DA7= time 21/1/19 05:27:(% _msthash="903005" _msttexthash="9672" _mstvisible="2" %)03
1038 )))
1039
1040 (% _mstvisible="1" %)
1041 (((
1042 (% _mstvisible="2" %)
1043
1044 )))
1045
1046 (% _mstvisible="1" %)
1047 (((
1048 (% _msthash="506084" _msttexthash="751218" _mstvisible="2" style="text-align: left;" %)
1049 LHT65N will uplink this payload.
1050 )))
1051
1052 (% _mstvisible="1" %)
1053 [[image:image-20220523001219-13.png||_mstalt="451204" _mstvisible="3" height="421" style="text-align:left" width="727"]]
1054
1055 (% _msthash="315271" _msttexthash="12012546" _mstvisible="1" style="text-align: left;" %)
1056 7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
1057
1058 Where the first 11 bytes is for the first entry:
1059
1060 7FFF089801464160065F97
1061
1062 Ext sensor data=0x7FFF/100=327.67
1063
1064 Temp=0x0898/100=22.00
1065
1066 Hum=0x0146/10=32.6
1067
1068 poll message flag & Ext=0x41,means reply data,Ext=1
1069
1070 Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
1071
1072
1073 (% _mstvisible="1" style="text-align: left;" %)
1074 == (% _msthash="244504" _msttexthash="177736" _mstvisible="3" %)2.7 Alarm Mode(%%) ==
1075
1076 (% _msthash="315279" _msttexthash="16493308" _mstvisible="1" style="text-align: left;" %)
1077 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.
1078
1079 (% _mstvisible="1" %)
1080 (((
1081 (% _mstvisible="2" style="text-align: left;" %)
1082 (% _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.
1083 )))
1084
1085 (% _mstvisible="1" style="text-align: left;" %)
1086 (% _msthash="315280" _msttexthash="363480" _mstvisible="3" %)**AT COMMAND FOR ALARM MODE:**
1087
1088 (% _mstvisible="1" class="box infomessage" %)
1089 (((
1090 (% _msthash="506086" _msttexthash="2193529" _mstvisible="2" style="text-align: left;" %)
1091 (% _istranslated="1" _mstmutation="1" _mstvisible="4" %)**AT+WMOD=1**(%%): Enable/disable alarm mode. (0: Disabled, 1: Enabled)
1092
1093 (% _msthash="506087" _msttexthash="3671265" _mstvisible="2" style="text-align: left;" %)
1094 (% _istranslated="1" _mstvisible="4" %)**AT+CITEMP=1**(%%): The interval between checking the alarm temperature. (In minutes)
1095
1096 (% _msthash="506088" _msttexthash="3310437" _mstvisible="2" style="text-align: left;" %)
1097 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP**(%%): Gets or sets the alarm range of the internal temperature sensor
1098
1099 (% _mstvisible="2" style="text-align: left;" %)
1100 (% _istranslated="1" _mstmutation="1" %)**AT+ARTEMP=？ **(%%): Gets the alarm range of the internal temperature sensor(% _mstvisible="3" style="display:none" %)
1101
1102 (% _msthash="506089" _msttexthash="3590067" _mstvisible="2" style="text-align: left;" %)
1103 (% _istranslated="1" _mstvisible="4" %)**AT+ARTEMP=45,105**(%%): Set the internal temperature sensor alarm range from 45 to 105.
1104 )))
1105
1106
1107
1108 (% _msthash="72514" _msttexthash="253149" _mstvisible="1" style="text-align: left;" %)
1109 == (% _istranslated="1" _msthash="168103" _msttexthash="59969" _mstvisible="3" %)2.8 (%%)LED Indicator ==
1110
1111 (% _mstvisible="1" %)
1112 (((
1113 (% _msthash="197769" _msttexthash="2924142" style="text-align: left;" %)
1114 The LHT65 has a triple color LED which for easy showing different stage .
1115
1116 (% _msthash="289211" _msttexthash="3402659" style="text-align: left;" %)
1117 While user press ACT button, the LED will work as per LED status with ACT button.
1118 )))
1119
1120 (% _mstvisible="1" %)
1121 (((
1122 (% _msthash="506092" _msttexthash="521573" _mstvisible="2" style="text-align: left;" %)
1123 In a normal working state:
1124 )))
1125
1126 (% _mstvisible="1" %)
1127 * (% _mstvisible="3" %)
1128 (((
1129 (% _msthash="903005" _msttexthash="1647204" _mstvisible="4" %)
1130 For each uplink, the BLUE LED or RED LED will blink (% _msthash="903005" _msttexthash="46254" _mstvisible="3" %)once(%%).(% style="display:none" %)
1131
1132 (% _msthash="197771" _msttexthash="1202526" %)
1133 (% _msthash="903005" _msttexthash="1647204" _mstvisible="3" %)BLUE LED when external sensor is connected
1134 )))
1135 * (% _mstvisible="3" %)
1136 (((
1137 (% _msthash="903007" _msttexthash="1334749" _mstvisible="4" %)
1138 RED LED when external sensor is not connected
1139 )))
1140 * (% _mstvisible="3" %)
1141 (((
1142 (% _msthash="903008" _msttexthash="1875640" _mstvisible="4" %)
1143 For each success downlink, the PURPLE LED will blink once
1144 )))
1145
1146 (% _mstvisible="1" style="text-align: left;" %)
1147 == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1148
1149 (% _mstvisible="1" %)
1150 [[image:image-20220516231650-1.png||_mstalt="428597" _mstvisible="3" height="436" width="428"]]
1151
1152
1153 (% _msthash="604150" _msttexthash="563212" _mstvisible="1" style="text-align: left;" %)
1154 = (% _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(%%) =
1155
1156 (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1157 == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(%%) E3 Temperature Probe ==
1158
1159 (% _mstvisible="1" %)
1160 [[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"]]
1161
1162
1163 (% _msthash="315354" _msttexthash="1270971" _mstvisible="1" style="text-align: left;" %)
1164 Temperature sensor with 2 meters cable long
1165
1166 (% _mstvisible="1" %)
1167 * Resolution: 0.0625 °C
1168 * ±0.5°C accuracy from -10°C to +85°C
1169 * ±2°C accuracy from -55°C to +125°C
1170 * Operating Range: -40 ~~ 125 °C
1171 * -55°C to 125°C
1172 * Working voltage 2.35v ~~ 5v
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 (% _mstvisible="1" style="text-align: left;" %)
1391 == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1392
1393 (% _msthash="315363" _msttexthash="1170728" _mstvisible="1" style="text-align: left;" %)
1394 Feature: Set device password, max 9 digits
1395
1396 (% _mstvisible="1" style="text-align: left;" %)
1397 (% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1398
1399 (% _mstvisible="1" %)
1400 [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
1401
1402 (% _mstvisible="1" %)
1403 (((
1404 (% _mstvisible="2" style="text-align: left;" %)
1405
1406
1407 (% _mstvisible="2" style="text-align: left;" %)
1408 (% style="color:#4f81bd" %)**Downlink Command:**
1409 )))
1410
1411 (% _mstvisible="1" %)
1412 (((
1413 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1414 No downlink command for this feature.
1415
1416 (% _msthash="506262" _msttexthash="974311" _mstvisible="2" style="text-align: left;" %)
1417
1418 )))
1419
1420 (% _mstvisible="1" style="text-align: left;" %)
1421 == (% _msthash="306956" _msttexthash="281918" _mstvisible="3" %)4.5 Quit AT Command(%%) ==
1422
1423 (% _msthash="315365" _msttexthash="4616456" _mstvisible="1" style="text-align: left;" %)
1424 Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1425
1426 (% _mstvisible="1" style="text-align: left;" %)
1427 (% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1428
1429 (% _mstvisible="1" %)
1430 [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
1431
1432
1433 (% _mstvisible="1" style="text-align: left;" %)
1434 (% style="color:#4f81bd" %)**Downlink Command:**
1435
1436 (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1437 No downlink command for this feature.
1438
1439
1440 (% _mstvisible="1" style="text-align: left;" %)
1441 == (% _msthash="362752" _msttexthash="334919" _mstvisible="3" %)4.6 Set to sleep mode(%%) ==
1442
1443 (% _msthash="315369" _msttexthash="779688" _mstvisible="1" style="text-align: left;" %)
1444 Feature: Set device to sleep mode
1445
1446 (% _mstvisible="1" style="text-align: left;" %)
1447 (% style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1448
1449 (% _mstvisible="1" %)
1450 [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
1451
1452
1453 (% _mstvisible="1" %)
1454 (% style="color:#4f81bd" %)**Downlink Command:**
1455
1456 (% _mstvisible="1" %)
1457 * There is no downlink command to set to Sleep mode.
1458
1459
1460 (% _mstvisible="1" %)
1461 == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1462
1463 (% _msthash="315372" _msttexthash="2565524" _mstvisible="1" %)
1464 Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1465
1466 (% _mstvisible="1" %)
1467 (% style="color:#4f81bd" %)**AT Command:**
1468
1469 (% _mstvisible="1" %)
1470 [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
1471
1472
1473 (% _mstvisible="1" %)
1474 (% style="color:#4f81bd" %)**Downlink Command:**
1475
1476 (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1477 0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
1478
1479
1480 (% _mstvisible="1" %)
1481 == (% _msthash="376779" _msttexthash="348712" _mstvisible="3" %)4.8 Set Time Sync Mode(%%) ==
1482
1483 (% _mstvisible="1" %)
1484 (((
1485 (% _msthash="506263" _msttexthash="11748321" _mstvisible="2" %)
1486 Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
1487 )))
1488
1489 (% _mstvisible="1" %)
1490 (((
1491 (% _msthash="506264" _msttexthash="6530264" _mstvisible="2" %)
1492 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.
1493 )))
1494
1495 (% _mstvisible="1" %)
1496 (((
1497 (% _mstvisible="2" %)
1498 (% style="color:#4f81bd" %)**AT Command:**
1499 )))
1500
1501 (% _mstvisible="1" %)
1502 [[image:image-20220523151336-9.png||_mstalt="431717" _mstvisible="3"]]
1503
1504
1505 (% _mstvisible="1" %)
1506 (% style="color:#4f81bd" %)**Downlink Command:**
1507
1508 (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1509 0x28 01 ~/~/ Same As AT+SYNCMOD=1
1510
1511 (% _msthash="315378" _msttexthash="479076" _mstvisible="1" %)
1512 0x28 00 ~/~/ Same As AT+SYNCMOD=0
1513
1514
1515 (% _mstvisible="1" %)
1516 == (% _msthash="536432" _msttexthash="502528" _mstvisible="3" %)4.9 Set Time Sync Interval(%%) ==
1517
1518 (% _msthash="315379" _msttexthash="3065777" _mstvisible="1" %)
1519 Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1520
1521 (% _mstvisible="1" %)
1522 (% style="color:#4f81bd" %)**AT Command:**
1523
1524 (% _mstvisible="1" %)
1525 [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
1526
1527
1528 (% _mstvisible="1" %)
1529 (% style="color:#4f81bd" %)**Downlink Command:**
1530
1531 (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1532 0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1533
1534
1535 (% _mstvisible="1" %)
1536 == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1537
1538 (% _msthash="315383" _msttexthash="3233334" _mstvisible="1" %)
1539 Feature: Print the sector data from start page to stop page (max is 416 pages).
1540
1541 (% _mstvisible="1" %)
1542 (% style="color:#4f81bd" %)**AT Command: AT+PDTA**
1543
1544 (% _mstvisible="1" %)
1545 [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1546
1547
1548 (% _mstvisible="1" %)
1549 (% style="color:#4f81bd" %)**Downlink Command:**
1550
1551 (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1552 No downlink commands for feature
1553
1554
1555 (% _mstvisible="1" %)
1556 == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1557
1558 (% _msthash="315387" _msttexthash="1101009" _mstvisible="1" %)
1559 Feature: Print the last few data entries
1560
1561 (% _mstvisible="1" %)
1562 (% style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1563
1564 (% _mstvisible="1" %)
1565 [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1566
1567
1568 (% _mstvisible="1" %)
1569 (% style="color:#4f81bd" %)**Downlink Command:**
1570
1571 (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1572 No downlink commands for feature
1573
1574
1575 (% _mstvisible="1" %)
1576 == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1577
1578 (% _msthash="315391" _msttexthash="1609075" _mstvisible="1" %)
1579 Feature: Clear flash storage for data log feature.
1580
1581 (% _mstvisible="1" %)
1582 (% style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1583
1584 (% _mstvisible="1" %)
1585 [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1586
1587
1588 (% _mstvisible="1" %)
1589 (% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1590
1591 (% _mstvisible="1" %)
1592 * Example: 0xA301 ~/~/Same as AT+CLRDTA
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 (% _mstvisible="1" %)
1620 = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1621
1622 (% _mstvisible="1" %)
1623 == (% _msthash="265486" _msttexthash="242073" _mstvisible="3" %)5.1 Battery Type(%%) ==
1624
1625 (% _msthash="315398" _msttexthash="33754799" _mstvisible="1" %)
1626 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.
1627
1628 (% _mstvisible="1" %)
1629 (((
1630 (% _mstvisible="2" %)
1631 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1632 [[image:image-20220515075034-1.png||_mstalt="428961" _mstvisible="4" height="208" width="644"]]
1633 )))
1634
1635 (% _mstvisible="1" %)
1636 (((
1637 (% _mstvisible="2" %)
1638 The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
1639
1640 )))
1641
1642 (% _mstvisible="1" %)
1643 == (% _msthash="353795" _msttexthash="326703" _mstvisible="3" %)5.2 Replace Battery(%%) ==
1644
1645 (% _msthash="315399" _msttexthash="11289278" _mstvisible="1" %)
1646 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.
1647
1648 (% _mstvisible="1" %)
1649 [[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"]]
1650
1651 (% _mstvisible="1" %)
1652 == (% _msthash="494650" _msttexthash="462241" _mstvisible="3" %)5.3 Battery Life Analyze(%%) ==
1653
1654 (% _mstvisible="1" %)
1655 (((
1656 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1657 (((
1658 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:
1659 [[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]]
1660 )))
1661
1662 (((
1663
1664 )))
1665
1666 (((
1667 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]]
1668 )))
1669
1670
1671 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1672 = (% _msthash="183170" _msttexthash="163566" _mstvisible="3" %)6. FAQ(%%) =
1673
1674 (% _msthash="506266" _msttexthash="35479028" _mstvisible="2" %)
1675 == 6.1 How to use AT Command? ==
1676
1677 (((
1678 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.
1679 )))
1680
1681 [[image:image-20220530085651-1.png]]
1682
1683
1684 **Connection:**
1685
1686 ✓** USB to TTL GND <~-~->GND**
1687
1688 **✓ USB to TTL RXD <~-~-> D+**
1689
1690 **✓ USB to TTL TXD <~-~-> A11**
1691
1692 **✓ USB to TTL 3.3V <~-~-> D-**
1693
1694
1695 (((
1696 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.
1697 )))
1698
1699 (((
1700 Input password and ATZ to activate LHT65N,As shown below:
1701 )))
1702
1703 [[image:image-20220530095701-4.png]]
1704
1705
1706 AT Command List is as below:
1707
1708 AT+<CMD>? : Help on <CMD>
1709
1710 AT+<CMD> : Run <CMD>
1711
1712 AT+<CMD>=<value> : Set the value
1713
1714 AT+<CMD>=? : Get the value
1715
1716 AT+DEBUG:Set more info output
1717
1718 ATZ: Trig a reset of the MCU
1719
1720 AT+FDR: Reset Parameters to Factory Default, Keys Reserve
1721
1722 AT+DEUI: Get or Set the Device EUI
1723
1724 AT+DADDR: Get or Set the Device Address
1725
1726 AT+APPKEY: Get or Set the Application Key
1727
1728 AT+NWKSKEY: Get or Set the Network Session Key
1729
1730 AT+APPSKEY: Get or Set the Application Session Key
1731
1732 AT+APPEUI: Get or Set the Application EUI
1733
1734 AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1735
1736 AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1737
1738 AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)
1739
1740 AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1741
1742 AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1743
1744 AT+RX2FQ: Get or Set the Rx2 window frequency
1745
1746 AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1747
1748 AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1749
1750 AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1751
1752 AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1753
1754 AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1755
1756 AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1757
1758 AT+NWKID: Get or Set the Network ID
1759
1760 AT+FCU: Get or Set the Frame Counter Uplink
1761
1762 AT+FCD: Get or Set the Frame Counter Downlink
1763
1764 AT+CLASS: Get or Set the Device Class
1765
1766 AT+JOIN: Join network
1767
1768 AT+NJS: Get the join status
1769
1770 AT+SENDB: Send hexadecimal data along with the application port
1771
1772 AT+SEND: Send text data along with the application port
1773
1774 AT+RECVB: Print last received data in binary format (with hexadecimal values)
1775
1776 AT+RECV: Print last received data in raw format
1777
1778 AT+VER: Get current image version and Frequency Band
1779
1780 AT+CFM: Get or Set the confirmation mode (0-1)
1781
1782 AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1783
1784 AT+SNR: Get the SNR of the last received packet
1785
1786 AT+RSSI: Get the RSSI of the last received packet
1787
1788 AT+TDC: Get or set the application data transmission interval in ms
1789
1790 AT+PORT: Get or set the application port
1791
1792 AT+DISAT: Disable AT commands
1793
1794 AT+PWORD: Set password, max 9 digits
1795
1796 AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1797
1798 AT+CHE: Get or Set eight channels mode,Only for US915,AU915,CN470
1799
1800 AT+PDTA: Print the sector data from start page to stop page
1801
1802 AT+PLDTA: Print the last few sets of data
1803
1804 AT+CLRDTA: Clear the storage, record position back to 1st
1805
1806 AT+SLEEP: Set sleep mode
1807
1808 AT+EXT: Get or Set external sensor model
1809
1810 AT+BAT: Get the current battery voltage in mV
1811
1812 AT+CFG: Print all configurations
1813
1814 AT+WMOD: Get or Set Work Mode
1815
1816 AT+ARTEMP: Get or set the internal Temperature sensor alarm range
1817
1818 AT+CITEMP: Get or set the internal Temperature sensor collection interval in min
1819
1820 AT+SETCNT:Set the count at present
1821
1822 AT+RJTDC: Get or set the ReJoin data transmission interval in min
1823
1824 AT+RPL: Get or set response level
1825
1826 AT+TIMESTAMP: Get or Set UNIX timestamp in second
1827
1828 AT+LEAPSEC: Get or Set Leap Second
1829
1830 AT+SYNCMOD: Get or Set time synchronization method
1831
1832 AT+SYNCTDC: Get or set time synchronization interval in day
1833
1834 AT+PID: Get or set the PID
1835
1836
1837 )))
1838
1839 (% _mstvisible="1" %)
1840 = (% _msthash="183170" _msttexthash="163566" _mstvisible="3" %)7. Order Info(%%) =
1841
1842 (% _mstvisible="1" %)
1843 (((
1844 (% _msthash="506267" _msttexthash="432432" _mstvisible="2" %)
1845 Part Number: (% _mstvisible="4" style="color:#4f81bd" %)** LHT65N-XX-YY**
1846 )))
1847
1848 (% _mstvisible="1" %)
1849 (((
1850 (% _msthash="506268" _msttexthash="686946" _mstvisible="2" %)
1851 (% _mstvisible="4" style="color:#4f81bd" %)**XX **(%%): The default frequency band
1852 )))
1853
1854 (% _mstvisible="1" %)
1855 * (% _mstvisible="3" %)
1856 (((
1857 (% _msthash="903327" _msttexthash="393341" _mstvisible="4" %)
1858 (% _mstvisible="6" style="color:#4f81bd" %)** AS923**(%%): LoRaWAN AS923 band
1859 )))
1860 * (% _mstvisible="3" %)
1861 (((
1862 (% _msthash="903328" _msttexthash="394576" _mstvisible="4" %)
1863 (% _mstvisible="6" style="color:#4f81bd" %)** AU915**(%%): LoRaWAN AU915 band
1864 )))
1865 * (% _mstvisible="3" %)
1866 (((
1867 (% _msthash="903329" _msttexthash="393913" _mstvisible="4" %)
1868 (% _mstvisible="6" style="color:#4f81bd" %)** EU433**(%%): LoRaWAN EU433 band
1869 )))
1870 * (% _mstvisible="3" %)
1871 (((
1872 (% _msthash="903330" _msttexthash="399087" _mstvisible="4" %)
1873 (% _mstvisible="6" style="color:#4f81bd" %)** EU868**(%%): LoRaWAN EU868 band
1874 )))
1875 * (% _mstvisible="3" %)
1876 (((
1877 (% _msthash="903331" _msttexthash="395109" _mstvisible="4" %)
1878 (% _mstvisible="6" style="color:#4f81bd" %)** KR920**(%%): LoRaWAN KR920 band
1879 )))
1880 * (% _mstvisible="3" %)
1881 (((
1882 (% _msthash="903332" _msttexthash="400842" _mstvisible="4" %)
1883 (% _mstvisible="6" style="color:#4f81bd" %)** US915**(%%): LoRaWAN US915 band
1884 )))
1885 * (% _mstvisible="3" %)
1886 (((
1887 (% _msthash="903333" _msttexthash="396487" _mstvisible="4" %)
1888 (% _mstvisible="6" style="color:#4f81bd" %)** IN865**(%%): LoRaWAN IN865 band
1889 )))
1890 * (% _mstvisible="3" %)
1891 (((
1892 (% _msthash="903334" _msttexthash="390923" _mstvisible="4" %)
1893 (% _mstvisible="6" style="color:#4f81bd" %)** CN470**(%%): LoRaWAN CN470 band
1894 )))
1895
1896 (% _mstvisible="1" %)
1897 (((
1898 (% _msthash="506269" _msttexthash="443495" _mstvisible="2" %)
1899 (% _mstvisible="4" style="color:#4f81bd" %)**YY**(%%): Sensor Accessories
1900 )))
1901
1902 (% _mstvisible="1" %)
1903 * (% _mstvisible="3" %)
1904 (((
1905 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
1906 (% _mstvisible="6" style="color:#4f81bd" %)**E3**(%%): External Temperature Probe
1907
1908
1909 (% _msthash="903335" _msttexthash="720135" _mstvisible="4" %)
1910
1911 )))
1912
1913 (% _mstvisible="1" %)
1914 = (% _msthash="233363" _msttexthash="211237" _mstvisible="3" %)8. Packing Info(%%) =
1915
1916 (% _mstvisible="1" %)
1917 (((
1918 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
1919
1920
1921 (% _msthash="506270" _msttexthash="295386" _mstvisible="2" %)
1922 (% _mstvisible="3" %)**Package Includes**(%%):
1923 )))
1924
1925 (% _mstvisible="1" %)
1926 * (% _mstvisible="3" %)
1927 (((
1928 (% _msthash="903336" _msttexthash="1033149" _mstvisible="4" %)
1929 LHT65N Temperature & Humidity Sensor x 1
1930 )))
1931 * (% _mstvisible="3" %)
1932 (((
1933 (% _msthash="903337" _msttexthash="242567" _mstvisible="4" %)
1934 Program cable x 1
1935 )))
1936 * (% _mstvisible="3" %)
1937 (((
1938 (% _msthash="903338" _msttexthash="544167" _mstvisible="4" %)
1939 Optional external sensor
1940 )))
1941
1942 (% _mstvisible="1" %)
1943 (((
1944 (% _msthash="506271" _msttexthash="403858" _mstvisible="2" %)
1945 (% _mstvisible="3" %)**Dimension and weight**(%%):
1946 )))
1947
1948 (% _mstvisible="1" %)
1949 * (% _mstvisible="3" %)
1950 (((
1951 (% _msthash="903339" _msttexthash="391807" _mstvisible="4" %)
1952 Device Size:  13.5 x 7 x 3 cm
1953 )))
1954 * (% _mstvisible="3" %)
1955 (((
1956 (% _msthash="903340" _msttexthash="285298" _mstvisible="4" %)
1957 Device Weight: 105g
1958 )))
1959 * (% _mstvisible="3" %)
1960 (((
1961 (% _msthash="903341" _msttexthash="562926" _mstvisible="4" %)
1962 Package Size / pcs : 14.5 x 8 x 5 cm
1963 )))
1964 * (% _mstvisible="3" %)
1965 (((
1966 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
1967 Weight / pcs : 170g
1968
1969
1970 (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
1971
1972 )))
1973
1974 = 9. Reference =
1975
1976 * [[Datasheet, Photos, Decoder, Firmware>>https://www.dropbox.com/home/Products_Public_Document/LoRaWAN%20End%20Node/LHT65N%20Temperature%20%26%20Humidity%20Sensor]]
1977
1978
1979
1980
1981 = 10. FCC Warning =
1982
1983 (% _mstvisible="1" %)
1984 (((
1985 (% _msthash="506272" _msttexthash="6034353" _mstvisible="2" %)
1986 This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
1987 )))
1988
1989 (% _mstvisible="1" %)
1990 (((
1991 (% _msthash="506273" _msttexthash="44097638" _mstvisible="2" %)
1992 (1) This device may not cause harmful interference；
1993 )))
1994
1995 (% _mstvisible="1" %)
1996 (((
1997 (% _msthash="506274" _msttexthash="7559773" _mstvisible="2" %)
1998 (2) this device must accept any interference received, including interference that may cause undesired operation.
1999 )))

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