Changes for page LWL02 -- LoRaWAN Water Leak Sensor User Manual
Last modified by Mengting Qiu on 2024/05/29 11:20
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... ... @@ -273,69 +273,36 @@ 273 273 274 274 == 4.6 Alarm Base on Timeout == 275 275 276 -((( 277 277 LWL02 can monitor the timeout for a status change, this feature can be used to monitor some event such as open fridge too long etc. 278 -))) 279 279 280 - (((278 + 281 281 User configure this feature by using: 282 -))) 283 283 284 -((( 285 - 286 -))) 287 287 288 -((( 289 289 (% style="color:blue" %)**AT Command**(%%) to configure: 290 -))) 291 291 292 -* ((( 293 -**AT+TTRIG=1,30 ** **~-~->** When status change from close to open, and device keep in open 294 -))) 284 +* **AT+TTRIG=1,30 ** **~-~->** When status change from close to open, and device keep in open 295 295 296 -((( 297 297 status for more than 30 seconds. LWL02 will send an uplink packet, the Alarm bit (the lowest bit of 10^^th^^ byte of payload) on this uplink packet is set to 1. 298 -))) 299 299 300 -* ((( 301 -**AT+TTIG=0,0** **~-~->** Default Value, disable timeout Alarm. 302 -))) 288 +* **AT+TTIG=0,0** **~-~->** Default Value, disable timeout Alarm. 303 303 304 -((( 305 305 (% style="color:blue" %)**Downlink Command**(%%) to configure: 306 -))) 307 307 308 -((( 309 309 **Command: 0xA9 aa bb cc** 310 -))) 311 311 312 -((( 313 313 A9: Command Type Code 314 -))) 315 315 316 -((( 317 317 aa: status to be monitor 318 -))) 319 319 320 -((( 321 321 bb cc: timeout. 322 -))) 323 323 324 -((( 325 - 326 -))) 327 327 328 -((( 329 329 If user send 0xA9 01 00 1E: equal to AT+TTRIG=1,30 330 -))) 331 331 332 -((( 333 333 Or 334 -))) 335 335 336 -((( 337 337 0xA9 00 00 00: Equal to AT+TTRIG=0,0. Disable timeout Alarm. 338 -))) 339 339 340 340 341 341 ... ... @@ -348,6 +348,7 @@ 348 348 |(% style="width:184px" %)Send an uplink message|(% style="width:275px" %)(% style="color:green" %)**GREEN LED**(%%) blinks once 349 349 |(% style="width:184px" %)Got a downlink message|(% style="width:275px" %)(% style="color:blue" %)**BLUE LED**(%%) blinks once 350 350 318 + 351 351 = 5. Battery & How to replace = 352 352 353 353 == 5.1 Battery Type and replace == ... ... @@ -395,20 +395,17 @@ 395 395 396 396 LWL02 supports AT Command set. User can use a USB to TTL adapter to configure LWL02 via use AT command, as below. 397 397 398 -[[image:image -20220608160336-1.png]]366 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]] 399 399 400 -* 401 -** (% style="background-color:yellow" %)USB to TTL <- -> LWL02 368 +USB to TTL <- -> LWL02 402 402 403 -* 404 -** (% style="background-color:yellow" %)RX <- -> TX 370 +RX <- -> TX 405 405 406 -* 407 -** (% style="background-color:yellow" %)TX <- -> RX 372 +TX <- -> RX 408 408 409 -* 410 -** (% style="background-color:yellow" %)GND <- -> GND 374 +GND <- -> GND 411 411 376 + 412 412 In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **115200** to access to access serial console of LWL02. Below is the output for reference: 413 413 414 414 The AT Access password is **123456**.