Changes for page LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
Last modified by Mengting Qiu on 2024/04/30 14:27
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... ... @@ -1,13 +1,10 @@ 1 1 (% style="text-align:center" %) 2 -[[image:image-2022052311 5324-1.jpeg||height="500" width="500"]]2 +[[image:image-20220523111447-1.jpeg||height="448" width="448"]] 3 3 4 +{{box cssClass="floatinginfobox" title="**Contents**"}} 5 +{{toc/}} 6 +{{/box}} 4 4 5 -**LHT65N LoRaWAN Temperature & Humidity Sensor Manual** 6 - 7 - 8 - 9 -**Table of Contents:** 10 - 11 11 {{toc/}} 12 12 13 13 ... ... @@ -16,29 +16,18 @@ 16 16 17 17 == 1.1 What is LHT65N Temperature & Humidity Sensor == 18 18 19 -((( 20 -The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor**(%%)**.** 21 -))) 22 22 23 -((( 17 +The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a(% class="mark" %) **built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% class="mark" %)**Temperature Sensor**(%%)**.** 18 + 24 24 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. 25 -))) 26 26 27 -((( 28 28 LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*. 29 -))) 30 30 31 -((( 32 32 LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway. 33 -))) 34 34 35 -((( 36 -LHT65N supports (% 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. 37 -))) 25 +LHT65N supports (% class="mark" %)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. 38 38 39 -((( 40 40 *The actual battery life depends on how often to send data, please see the battery analyzer chapter. 41 -))) 42 42 43 43 == 1.2 Features == 44 44 ... ... @@ -56,69 +56,36 @@ 56 56 57 57 == 1.3 Specification == 58 58 59 -((( 60 60 **Built-in Temperature Sensor:** 61 -))) 62 62 63 -* ((( 64 -Resolution: 0.01 °C 65 -))) 66 -* ((( 67 -Accuracy Tolerance : Typ ±0.3 °C 68 -))) 69 -* ((( 70 -Long Term Drift: < 0.02 °C/yr 71 -))) 72 -* ((( 73 -Operating Range: -40 ~~ 85 °C 74 -))) 47 +* Resolution: 0.01 °C 48 +* Accuracy Tolerance : Typ ±0.3 °C 49 +* Long Term Drift: < 0.02 °C/yr 50 +* Operating Range: -40 ~~ 85 °C 75 75 76 -((( 77 77 **Built-in Humidity Sensor:** 78 -))) 79 79 80 -* ((( 81 -Resolution: 0.04 %RH 82 -))) 83 -* ((( 84 -Accuracy Tolerance : Typ ±3 %RH 85 -))) 86 -* ((( 87 -Long Term Drift: < 0.02 °C/yr 88 -))) 89 -* ((( 90 -Operating Range: 0 ~~ 96 %RH 91 -))) 54 +* Resolution: 0.04 %RH 55 +* Accuracy Tolerance : Typ ±3 %RH 56 +* Long Term Drift: < 0.02 °C/yr 57 +* Operating Range: 0 ~~ 96 %RH 92 92 93 -((( 94 94 **External Temperature Sensor:** 95 -))) 96 96 97 -* ((( 98 -Resolution: 0.0625 °C 99 -))) 100 -* ((( 101 -±0.5°C accuracy from -10°C to +85°C 102 -))) 103 -* ((( 104 -±2°C accuracy from -55°C to +125°C 105 -))) 106 -* ((( 107 -Operating Range: -55 °C ~~ 125 °C 108 -))) 61 +* Resolution: 0.0625 °C 62 +* ±0.5°C accuracy from -10°C to +85°C 63 +* ±2°C accuracy from -55°C to +125°C 64 +* Operating Range: -55 °C ~~ 125 °C 109 109 110 110 = 2. Connect LHT65N to IoT Server = 111 111 112 112 == 2.1 How does LHT65N work? == 113 113 114 -((( 115 115 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. 116 -))) 117 117 118 -((( 119 119 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. 120 -))) 121 121 74 + 122 122 == 2.2 How to Activate LHT65N? == 123 123 124 124 The LHT65N has two working modes: ... ... @@ -126,17 +126,15 @@ 126 126 * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life. 127 127 * **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. 128 128 129 -((( 130 130 The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes: 131 -))) 132 132 133 133 [[image:image-20220515123819-1.png||height="379" width="317"]] 134 134 135 -(% border="1" style="background-color:#ffffcc; color:green; width:739px"%)136 -|**Behavior on ACT**|**Function**| (% style="width:424px" %)**Action**137 -|**Pressing ACT between 1s < time < 3s**|Test uplink status| (% style="width:424px" %)If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.138 -|**Pressing ACT for more than 3s**|Active Device| (% style="width:424px" %)green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.139 -|**Fast press ACT 5 times**|Deactivate Device| (% style="width:424px" %)red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.86 +(% border="1" %) 87 +|**Behavior on ACT**|**Function**|**Action** 88 +|**Pressing ACT between 1s < time < 3s**|Test uplink status|If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once. 89 +|**Pressing ACT for more than 3s**|Active Device|green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network. 90 +|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode. 140 140 141 141 == 2.3 Example to join LoRaWAN network == 142 142 ... ... @@ -163,8 +163,10 @@ 163 163 164 164 [[image:image-20220522232916-3.png]] 165 165 117 + 166 166 [[image:image-20220522232932-4.png]] 167 167 120 + 168 168 [[image:image-20220522232954-5.png]] 169 169 170 170 Note: LHT65N use same payload as LHT65. ... ... @@ -181,27 +181,27 @@ 181 181 182 182 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. 183 183 184 -[[image:image-20220522233300-8.png ||height="219" width="722"]]137 +[[image:image-20220522233300-8.png]] 185 185 186 186 187 187 == 2.4 Uplink Payload == 188 188 189 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and style="color:#4f81bd" %)**every 20 minutes**(%%)142 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default. 190 190 191 -After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.144 +After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once. 192 192 193 193 194 -(% border="1" style=" background-color:#ffffcc; color:green;width:428px" %)195 -|(% style="width:106px" %)**Size(bytes)**|(% style="width: 46px" %)**2**|(% style="width:104px" %)**2**|(% style="width:80px" %)**2**|(% style="width:51px" %)**1**|(% style="width:35px" %)**4**196 -|(% style="width:106px" %)**Value**|(% style="width: 46px" %)[[BAT>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.2BAT-BatteryInfo]]|(% style="width:104px" %)(((197 -[[Built-In>> http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]147 +(% border="1" style="width:572px" %) 148 +|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4** 149 +|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)((( 150 +[[Built-In>>path:#SHT20_Temperature]] 198 198 199 -[[Temperature>> http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]200 -)))|(% style="width: 80px" %)(((201 -[[Built-in>>path: http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]152 +[[Temperature>>path:#SHT20_Temperature]] 153 +)))|(% style="width:103px" %)((( 154 +[[Built-in>>path:#SHT20_Humidity]] 202 202 203 -[[Humidity>>path: http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]204 -)))|(% style="width: 51px" %)[[Ext>>path:#Extension_Sensor]]35px" %)[[Ext value>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]156 +[[Humidity>>path:#SHT20_Humidity]] 157 +)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]] 205 205 206 206 * The First 6 bytes: has fix meanings for every LHT65N. 207 207 * The 7th byte (EXT #): defines the external sensor model. ... ... @@ -215,47 +215,28 @@ 215 215 216 216 [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]] 217 217 218 -[[image:image-20220522234118-10.png ||height="353" width="729"]]171 +[[image:image-20220522234118-10.png]] 219 219 173 + 220 220 === 2.4.2 BAT-Battery Info === 221 221 222 222 These two bytes of BAT include the battery state and the actually voltage 223 223 224 -(% border="1" style="background-color:#ffffcc; color:green; width:502px" %) 225 -|(% style="width:75px" %)((( 226 -Bit(bit) 227 -)))|(% style="width:259px" %)((( 228 -[15:14] 229 -)))|(% style="width:164px" %)((( 230 -[13:0] 231 -))) 232 -|(% style="width:75px" %)((( 233 -Value 234 -)))|(% style="width:259px" %)((( 235 -((( 178 +(% style="width:646px" %) 179 +|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0] 180 +|Value|(% style="width:272px" %)((( 236 236 BAT Status 237 -))) 238 238 239 -((( 240 240 00(b): Ultra Low ( BAT <= 2.50v) 241 -))) 242 242 243 -((( 244 244 01(b): Low (2.50v <=BAT <= 2.55v) 245 -))) 246 246 247 -((( 248 248 10(b): OK (2.55v <= BAT <=2.65v) 249 -))) 250 250 251 -((( 252 252 11(b): Good (BAT >= 2.65v) 253 -))) 254 -)))|(% style="width:164px" %)((( 255 -Actually BAT voltage 256 -))) 190 +)))|(% style="width:214px" %)Actually BAT voltage 257 257 258 -[[image:image-20220522235639-1.png ||height="139" width="727"]]192 +[[image:image-20220522235639-1.png]] 259 259 260 260 Check the battery voltage for LHT65N. 261 261 ... ... @@ -264,7 +264,7 @@ 264 264 265 265 === 2.4.3 Built-in Temperature === 266 266 267 -[[image:image-20220522235639-2.png ||height="138" width="722"]]201 +[[image:image-20220522235639-2.png]] 268 268 269 269 * Temperature: 0x0ABB/100=27.47℃ 270 270 ... ... @@ -274,7 +274,7 @@ 274 274 275 275 === 2.4.4 Built-in Humidity === 276 276 277 -[[image:image-20220522235639-4.png ||height="138" width="722"]]211 +[[image:image-20220522235639-4.png]] 278 278 279 279 * Humidity: 0x025C/10=60.4% 280 280 ... ... @@ -282,10 +282,10 @@ 282 282 283 283 Bytes for External Sensor: 284 284 285 -(% border="1"style="background-color:#ffffcc; color:green;width:473px" %)286 -|(% style="width:139px" %)**EXT # Value**|(% style="width: 331px" %)**External Sensor Type**287 -|(% style="width:139px" %)0x01|(% style="width: 331px" %)Sensor E3, Temperature Sensor288 -|(% style="width:139px" %)0x09|(% style="width: 331px" %)Sensor E3, Temperature Sensor, Datalog Mod219 +(% style="width:624px" %) 220 +|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type** 221 +|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor 222 +|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod 289 289 290 290 === 2.4.6 Ext value === 291 291 ... ... @@ -301,13 +301,9 @@ 301 301 302 302 * External temperature= (0xF54F-65536)/100=-27.37℃ 303 303 304 -((( 305 305 The last 2 bytes of data are meaningless 306 -))) 307 307 308 -((( 309 309 If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃ 310 -))) 311 311 312 312 313 313 ==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ==== ... ... @@ -314,27 +314,28 @@ 314 314 315 315 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: 316 316 317 -(% border="1" style="background-color:#ffffcc; color:green; width:533px" %) 318 -|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:69px" %)**2**|(% style="width:88px" %)**2**|(% style="width:69px" %)**1**|(% style="width:75px" %)**4** 319 -|(% style="width:96px" %)**Value**|(% style="width:71px" %)[[External temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.2SetExternalSensorMode]]|(% style="width:69px" %)((( 320 -[[Built-In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]] 321 321 322 -[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]] 323 -)))|(% style="width:88px" %)((( 324 -BAT Status & 248 +(% border="1" style="width:697px" %) 249 +|(% style="width:96px" %)**Size(bytes)**|(% style="width:164px" %)**2**|(% style="width:104px" %)**2**|(% style="width:106px" %)**2**|(% style="width:108px" %)**1**|(% style="width:116px" %)**4** 250 +|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)((( 251 +[[Built-In>>path:#SHT20_Temperature]] 325 325 326 -[[Built-in>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]] 253 +[[Temperature>>path:#SHT20_Temperature]] 254 +)))|(% style="width:106px" %)((( 255 +[[BAT Status &>>path:#BAT_Humidity]] 327 327 328 -[[Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]] 329 -)))|(% style="width:69px" %)Status & Ext|(% style="width:75px" %)((( 330 -[[Unix>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]] 257 +[[Built-in>>path:#BAT_Humidity]] 331 331 332 -[[Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]] 259 +[[Humidity>>path:#BAT_Humidity]] 260 +)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)((( 261 +[[Unix>>path:#Unix_Time_Stamp]] 262 + 263 +[[Time Stamp>>path:#Unix_Time_Stamp]] 333 333 ))) 334 334 335 -* **Battery status & wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**266 +* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]] 336 336 337 -(% border="1" style=" background-color:#ffffcc; color:green;width:587px" %)268 +(% border="1" style="width:587px" %) 338 338 |Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0] 339 339 |Value|(% style="width:280px" %)((( 340 340 BAT Status ... ... @@ -347,7 +347,7 @@ 347 347 348 348 11(b): Good (BAT >= 2.65v) 349 349 )))|(% style="width:136px" %)((( 350 -[[Built-in Humidity>>path: http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]281 +[[Built-in Humidity>>path:#SHT20_Humidity]] 351 351 352 352 353 353 ))) ... ... @@ -354,10 +354,12 @@ 354 354 355 355 * **Status & Ext Byte** 356 356 357 -(% border="1" style=" background-color:#ffffcc; color:green;width:732px" %)288 +(% border="1" style="width:732px" %) 358 358 |(% style="width:128px" %)**Bits**|(% style="width:102px" %)**7**|(% style="width:145px" %)**6**|(% style="width:117px" %)**5**|(% style="width:147px" %)**4**|(% style="width:90px" %)**[3:0]** 359 359 |(% style="width:128px" %)**Status & Ext**|(% style="width:102px" %)Not Defined|(% style="width:145px" %)Poll Message Flag|(% style="width:117px" %)Sync time OK|(% style="width:147px" %)Unix Time Request|(% style="width:90px" %)((( 360 -Ext:0b(1001) 291 +Ext: 292 + 293 +0b(1001) 361 361 ))) 362 362 363 363 * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink. ... ... @@ -368,17 +368,12 @@ 368 368 369 369 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: 370 370 371 -((( 372 372 **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network. 373 -))) 374 374 375 -((( 376 376 **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. 377 -))) 378 378 379 - (((308 + 380 380 Add Datacake: 381 -))) 382 382 383 383 [[image:image-20220523000825-7.png||height="262" width="583"]] 384 384 ... ... @@ -387,12 +387,16 @@ 387 387 388 388 [[image:image-20220523000825-8.png||height="453" width="406"]] 389 389 318 + 390 390 In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device. 391 391 392 392 [[image:image-20220523000825-9.png||height="366" width="392"]] 393 393 323 + 324 + 394 394 [[image:image-20220523000825-10.png||height="432" width="762"]] 395 395 327 + 396 396 == 2.6 Datalog Feature == 397 397 398 398 This feature is always enabled. When user wants to retrieve the sensor value, he can send a poll command from the IoT platform to ask LHT65N to send the value in the required time slot. ... ... @@ -404,13 +404,9 @@ 404 404 [[image:image-20220523001219-11.png||height="97" width="627"]] 405 405 406 406 407 -((( 408 408 User can get this time from link: [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] : 409 -))) 410 410 411 -((( 412 412 Below is the converter example 413 -))) 414 414 415 415 [[image:image-20220523001219-12.png||height="302" width="730"]] 416 416
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