Changes for page LLMS01-LoRaWAN Leaf Moisture Sensor User Manual
Last modified by Bei Jinggeng on 2024/03/30 17:55
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -338,6 +338,8 @@ 338 338 339 339 340 340 341 + 342 + 341 341 == 2.6 Installation and Maintain == 342 342 343 343 === 2.6.1 Before measurement === ... ... @@ -391,10 +391,9 @@ 391 391 ))) 392 392 1. ((( 393 393 The probe is IP68 can be put in water. 396 +))) 394 394 395 395 396 - 397 -))) 398 398 399 399 == 2.7 Calibration == 400 400 ... ... @@ -401,15 +401,41 @@ 401 401 User can do calibration for the probe. It is limited to use below pH buffer solution to calibrate: 4.00, 6.86, 9.18. When calibration, user need to clean the electrode and put the probe in the pH buffer solution to wait the value stable ( a new clean electrode might need max 24 hours to be stable). 402 402 403 403 404 - (% style="color:#037691" %)**After stable, user can use below command to calibrate.**405 +**After stable, user can use below command to calibrate.** 405 405 406 -[[image:image-20220607144936-3.png]] 407 407 408 +|**pH buffer solution**|**AT Command to calibrate**|**Downlink Command**|**Read Cal Value** 409 +|**4.00**|**AT+PHCAL=4**|((( 410 +**0x13 04** 408 408 412 +**Reply with Calibrate payload** 413 +)))|((( 414 +**AT+PHCAL=?** 409 409 410 -(% style="color:#037691" %)**Calibration Payload** 416 +**Example 41,61,91** 417 +))) 418 +|**6.86**|**AT+PHCAL=6**|((( 419 +**0x13 06** 411 411 412 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %) 421 +**Reply with Calibrate payload** 422 +)))|**AT+PHCAL=?** 423 +|**9.18**|**AT+PHCAL=9**|((( 424 +**0x13 09** 425 + 426 +**Reply with Calibrate payload** 427 +)))|**AT+PHCAL=?** 428 +|**Factory Default**|**AT+PHCAL=15**|((( 429 +**0x13 15** 430 + 431 +**Reply with Calibrate payload** 432 +)))|((( 433 +**AT+PHCAL=?** 434 + 435 +**Example 151** 436 +))) 437 + 438 +Calibration Payload 439 + 413 413 |((( 414 414 **Size** 415 415 ... ... @@ -424,7 +424,11 @@ 424 424 425 425 Calibrate value 426 426 )))|Reserve|((( 427 -[[Message Type Always 0x03>>||anchor="H2.3.6MessageType"]] 454 +[[Message>>path:#Message_Type]] 455 + 456 +[[Type>>path:#Message_Type]] 457 + 458 +Always 0x03 428 428 ))) 429 429 430 430 User can also send 0x14 downlink command to poll the current calibration payload.