Changes for page LHT65N -- Manual do sensor de temperatura e umidade LoRaWAN
Last modified by Xiaoling on 2023/07/18 10:12
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -309,30 +309,28 @@ 309 309 [[image:image-20220522235639-5.png||_mstalt="432848"]] 310 310 311 311 312 -* DS18B20 temp=0x0ADD/100=27 .81℃312 +* DS18B20 temp=0x0ADD/100=27,81ÿ 313 313 314 - Thelast 2 bytesofdataaremeaningless314 +Os últimos 2 bytes de dados não têm sentido. 315 315 316 316 317 317 318 318 [[image:image-20220522235639-6.png||_mstalt="433212"]] 319 319 320 +* Temperatura externa= (0xF54F-65536)/100=-27.37℃ 320 320 321 - *Externaltemperature= (0xF54F-65536)/100=-27.37℃322 +F54F: (F54F & 8000 == 1) , temp = (F54F - 65536)/100 = 27,37℃ 322 322 323 - F54F :(F54F& 8000==1),temp=(F54F-65536)/100=27.37℃324 +(0105 & 8000: Julgue se o bit mais alto é 1, quando o bit mais alto é 1, é negativo) 324 324 325 - (0105 & 8000:Judge whether the highestbit1,whenthehighestbit is1,itisnegative)326 +Os últimos 2 bytes de dados não têm sentido 326 326 327 - Thelast2bytesofdataare meaningless328 +Se o sensor externo for 0x01 e não houver temperatura externa conectada. A temperatura será ajustada para 7FFF que é 327.67℃ 328 328 329 -If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃ 330 330 331 +==== 2.4.6.2 Ext~=9, sensor E3 com Unix Timestamp ==== 331 331 332 332 333 -==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ==== 334 - 335 - 336 336 ((( 337 337 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: 338 338 )))