Changes for page SN50v3-LB/LS -- LoRaWAN Sensor Node User Manual
Last modified by Bei Jinggeng on 2025/01/10 15:51
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -30,6 +30,7 @@ 30 30 31 31 == 1.2 Features == 32 32 33 + 33 33 * LoRaWAN 1.0.3 Class A 34 34 * Ultra-low power consumption 35 35 * Open-Source hardware/software ... ... @@ -295,7 +295,7 @@ 295 295 In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2. 296 296 297 297 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 298 -|(% style=" width:50px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="width:20px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:100px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:35px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:90px;background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="width:120px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:90px;background-color:#D9E2F3;color:#0070C0" %)**2**299 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:130px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)**2** 299 299 |**Value**|Bat|(% style="width:191px" %)((( 300 300 Temperature(DS18B20)(PC13) 301 301 )))|(% style="width:78px" %)((( ... ... @@ -316,7 +316,7 @@ 316 316 This mode is target to measure the distance. The payload of this mode is totally 11 bytes. The 8^^th^^ and 9^^th^^ bytes is for the distance. 317 317 318 318 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 319 -|(% style=" width:40px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="width:40px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:110px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:40px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:110px;background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="width:140px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:40px;background-color:#D9E2F3;color:#0070C0" %)**2**320 +|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:140px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)**2** 320 320 |**Value**|BAT|(% style="width:196px" %)((( 321 321 Temperature(DS18B20)(PC13) 322 322 )))|(% style="width:87px" %)((( ... ... @@ -330,11 +330,11 @@ 330 330 331 331 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656324539647-568.png?rev=1.1||alt="1656324539647-568.png"]] 332 332 333 -**Connection of LIDAR-Lite V3HP:** 334 +(% style="color:blue" %)**Connection of LIDAR-Lite V3HP:** 334 334 335 335 [[image:image-20230512173758-5.png||height="563" width="712"]] 336 336 337 -**Connection to Ultrasonic Sensor:** 338 +(% style="color:blue" %)**Connection to Ultrasonic Sensor:** 338 338 339 339 Need to remove R1 and R2 resistors to get low power,otherwise there will be 240uA standby current. 340 340 ... ... @@ -342,17 +342,14 @@ 342 342 343 343 For the connection to TF-Mini or TF-Luna , MOD2 payload is as below: 344 344 345 -(% style="width: 1113px" %)346 -|**Size(bytes)**|**2**|(% style="width:1 83px" %)**2**|(% style="width:173px" %)**1**|(% style="width:84px" %)**2**|(% style="width:323px" %)**2**|(% style="width:188px" %)**2**346 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 347 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:120px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**2** 347 347 |**Value**|BAT|(% style="width:183px" %)((( 348 -Temperature(DS18B20) 349 -(PC13) 349 +Temperature(DS18B20)(PC13) 350 350 )))|(% style="width:173px" %)((( 351 -Digital in(PB15) & 352 -Digital Interrupt(PA8) 351 +Digital in(PB15) & Digital Interrupt(PA8) 353 353 )))|(% style="width:84px" %)((( 354 -ADC 355 -(PA4) 353 +ADC(PA4) 356 356 )))|(% style="width:323px" %)((( 357 357 Distance measure by:1)TF-Mini plus LiDAR 358 358 Or ... ... @@ -378,27 +378,22 @@ 378 378 379 379 This mode has total 12 bytes. Include 3 x ADC + 1x I2C 380 380 381 -(% style="width: 1031px" %)382 -|=((( 379 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 380 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)((( 383 383 **Size(bytes)** 384 -)))|=(% style="width: 68px;" %)**2**|=(% style="width:75px;" %)**2**|=**2**|=**1**|=(% style="width:304px;" %)2|=(% style="width: 163px;" %)2|=(% style="width:53px;" %)1382 +)))|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 140px;background-color:#D9E2F3;color:#0070C0" %)2|=(% style="width: 120px;background-color:#D9E2F3;color:#0070C0" %)2|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)1 385 385 |**Value**|(% style="width:68px" %)((( 386 -ADC1 387 -(PA4) 384 +ADC1(PA4) 388 388 )))|(% style="width:75px" %)((( 389 -ADC2 390 -(PA5) 386 +ADC2(PA5) 391 391 )))|((( 392 -ADC3 393 -(PA8) 388 +ADC3(PA8) 394 394 )))|((( 395 395 Digital Interrupt(PB15) 396 396 )))|(% style="width:304px" %)((( 397 -Temperature 398 -(SHT20 or SHT31 or BH1750 Illumination Sensor) 392 +Temperature(SHT20 or SHT31 or BH1750 Illumination Sensor) 399 399 )))|(% style="width:163px" %)((( 400 -Humidity 401 -(SHT20 or SHT31) 394 +Humidity(SHT20 or SHT31) 402 402 )))|(% style="width:53px" %)Bat 403 403 404 404 [[image:image-20230513110214-6.png]] ... ... @@ -409,20 +409,16 @@ 409 409 410 410 This mode has total 11 bytes. As shown below: 411 411 412 -(% style="width: 1017px" %)413 -|**Size(bytes)**|**2**|(% style="width:1 86px" %)**2**|(% style="width:82px" %)**2**|(% style="width:210px" %)**1**|(% style="width:191px" %)**2**|(% style="width:183px" %)**2**405 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 406 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**2** 414 414 |**Value**|BAT|(% style="width:186px" %)((( 415 -Temperature1(DS18B20) 416 -(PC13) 408 +Temperature1(DS18B20)(PC13) 417 417 )))|(% style="width:82px" %)((( 418 -ADC 419 -(PA4) 410 +ADC(PA4) 420 420 )))|(% style="width:210px" %)((( 421 -Digital in(PB15) & 422 -Digital Interrupt(PA8) 412 +Digital in(PB15) & Digital Interrupt(PA8) 423 423 )))|(% style="width:191px" %)Temperature2(DS18B20) 424 -(PB9)|(% style="width:183px" %)Temperature3(DS18B20) 425 -(PB8) 414 +(PB9)|(% style="width:183px" %)Temperature3(DS18B20)(PB8) 426 426 427 427 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656377606181-607.png?rev=1.1||alt="1656377606181-607.png"]] 428 428 ... ... @@ -449,16 +449,15 @@ 449 449 450 450 Check the response of this command and adjust the value to match the real value for thing. 451 451 452 -(% style="width: 767px" %)453 -|=((( 441 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 442 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)((( 454 454 **Size(bytes)** 455 -)))|=**2**|=(% style="width: 1 93px;" %)**2**|=(% style="width:85px;" %)**2**|=(% style="width:186px;" %)**1**|=(% style="width:100px;" %)**4**444 +)))|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 150px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 200px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**4** 456 456 |**Value**|BAT|(% style="width:193px" %)((( 457 457 Temperature(DS18B20) 458 458 (PC13) 459 459 )))|(% style="width:85px" %)((( 460 -ADC 461 -(PA4) 449 +ADC(PA4) 462 462 )))|(% style="width:186px" %)((( 463 463 Digital in(PB15) & 464 464 Digital Interrupt(PA8) ... ... @@ -475,23 +475,18 @@ 475 475 476 476 [[image:image-20230512181814-9.png||height="543" width="697"]] 477 477 478 -**Note:** 466 +(% style="color:red" %)**Note:** LoRaWAN wireless transmission will infect the PIR sensor. Which cause the counting value increase +1 for every uplink. User can change PIR sensor or put sensor away of the SN50_v3 to avoid this happen. 479 479 480 -(% style="width: 961px" %)481 -|=**Size(bytes)**|=**2**|=(% style="width: 2 56px;" %)**2**|=(% style="width:108px;" %)**2**|=(% style="width: 126px;" %)**1**|=(% style="width:145px;" %)**4**468 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 469 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 220px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)**4** 482 482 |**Value**|BAT|(% style="width:256px" %)((( 483 -Temperature(DS18B20) 484 - 485 -(PC13) 471 +Temperature(DS18B20)(PC13) 486 486 )))|(% style="width:108px" %)((( 487 -ADC 488 -(PA4) 473 +ADC(PA4) 489 489 )))|(% style="width:126px" %)((( 490 -Digital in 491 -(PB15) 475 +Digital in(PB15) 492 492 )))|(% style="width:145px" %)((( 493 -Count 494 -(PA8) 477 +Count(PA8) 495 495 ))) 496 496 497 497 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656378441509-171.png?rev=1.1||alt="1656378441509-171.png"]] ... ... @@ -499,16 +499,15 @@ 499 499 500 500 ==== 2.3.2.7 MOD~=7 (Three interrupt contact modes) ==== 501 501 502 -(% style="width: 1108px" %)503 -|=((( 485 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 486 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)((( 504 504 **Size(bytes)** 505 -)))|=**2**|=(% style="width: 188px;" %)**2**|=(% style="width:83px;" %)**2**|=(% style="width:184px;" %)**1**|=(% style="width:186px;" %)**1**|=(% style="width:197px;" %)1|=(% style="width:100px;" %)2488 +)))|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)1|=(% style="width: 40px;background-color:#D9E2F3;color:#0070C0" %)2 506 506 |**Value**|BAT|(% style="width:188px" %)((( 507 507 Temperature(DS18B20) 508 508 (PC13) 509 509 )))|(% style="width:83px" %)((( 510 -ADC 511 -(PA5) 493 +ADC(PA5) 512 512 )))|(% style="width:184px" %)((( 513 513 Digital Interrupt1(PA8) 514 514 )))|(% style="width:186px" %)Digital Interrupt2(PA4)|(% style="width:197px" %)Digital Interrupt3(PB15)|(% style="width:100px" %)Reserved ... ... @@ -517,24 +517,21 @@ 517 517 518 518 ==== 2.3.2.8 MOD~=8 (3ADC+1DS18B20) ==== 519 519 520 -(% style="width: 922px" %)521 -|=((( 502 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 503 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)((( 522 522 **Size(bytes)** 523 -)))|=**2**|=(% style="width: 20 7px;" %)**2**|=(% style="width:94px;" %)**2**|=(% style="width: 198px;" %)**1**|=(% style="width:84px;" %)**2**|=(% style="width:82px;" %)2505 +)))|=(% style="width: 30px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 120px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 120px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)2 524 524 |**Value**|BAT|(% style="width:207px" %)((( 525 525 Temperature(DS18B20) 526 526 (PC13) 527 527 )))|(% style="width:94px" %)((( 528 -ADC1 529 -(PA4) 510 +ADC1(PA4) 530 530 )))|(% style="width:198px" %)((( 531 531 Digital Interrupt(PB15) 532 532 )))|(% style="width:84px" %)((( 533 -ADC2 534 -(PA5) 514 +ADC2(PA5) 535 535 )))|(% style="width:82px" %)((( 536 -ADC3 537 -(PA8) 516 +ADC3(PA8) 538 538 ))) 539 539 540 540 [[image:image-20230513111231-8.png||height="335" width="900"]] ... ... @@ -542,10 +542,10 @@ 542 542 543 543 ==== 2.3.2.9 MOD~=9 (3DS18B20+ two Interrupt count mode) ==== 544 544 545 -(% style="width: 1010px" %)546 -|=((( 524 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 525 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)((( 547 547 **Size(bytes)** 548 -)))|=**2**|=**2**|=**2**|=**1**|=(% style="width: 1 93px;" %)**2**|=(% style="width:78px;" %)4|=(% style="width:78px;" %)4527 +)))|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)4|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)4 549 549 |**Value**|BAT|((( 550 550 Temperature1(DS18B20) 551 551 (PC13) ... ... @@ -559,25 +559,24 @@ 559 559 Temperature3(DS18B20) 560 560 (PB8) 561 561 )))|(% style="width:78px" %)((( 562 -Count1 563 -(PA8) 541 +Count1(PA8) 564 564 )))|(% style="width:78px" %)((( 565 -Count2 566 -(PA4) 543 +Count2(PA4) 567 567 ))) 568 568 569 569 [[image:image-20230513111255-9.png||height="341" width="899"]] 570 570 571 -**The newly added AT command is issued correspondingly:** 548 +(% style="color:blue" %)**The newly added AT command is issued correspondingly:** 572 572 573 -** ~AT+INTMOD1****PA8** pin: Corresponding downlink: **06 00 00 xx**550 +(% style="color:#037691" %)** AT+INTMOD1 PA8**(%%) pin: Corresponding downlink: (% style="color:#037691" %)**06 00 00 xx** 574 574 575 -** ~AT+INTMOD2** **PA4** pin: Corresponding downlink:**06 00 01 xx**552 +(% style="color:#037691" %)** AT+INTMOD2 PA4**(%%) pin: Corresponding downlink: (% style="color:#037691" %)**06 00 01 xx** 576 576 577 -** ~AT+INTMOD3****PB15** pin: Corresponding downlink: ** 06 00 02 xx**554 +(% style="color:#037691" %)** AT+INTMOD3 PB15**(%%) pin: Corresponding downlink: (% style="color:#037691" %)** 06 00 02 xx** 578 578 579 -**AT+SETCNT=aa,bb** 580 580 557 +(% style="color:blue" %)**AT+SETCNT=aa,bb** 558 + 581 581 When AA is 1, set the count of PA8 pin to BB Corresponding downlink:09 01 bb bb bb bb 582 582 583 583 When AA is 2, set the count of PA4 pin to BB Corresponding downlink:09 02 bb bb bb bb ... ... @@ -610,11 +610,11 @@ 610 610 611 611 More DS18B20 can check the [[3 DS18B20 mode>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#2.3.4MOD3D4283xDS18B2029]] 612 612 613 -**Connection:** 591 +(% style="color:blue" %)**Connection:** 614 614 615 615 [[image:image-20230512180718-8.png||height="538" width="647"]] 616 616 617 -**Example**: 595 +(% style="color:blue" %)**Example**: 618 618 619 619 If payload is: 0105H: (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree 620 620 ... ... @@ -652,7 +652,7 @@ 652 652 653 653 Digital Interrupt refers to pin PA8, and there are different trigger methods. When there is a trigger, the SN50v3 will send a packet to the server. 654 654 655 -(% style="color:blue" %)** ~Interrupt connection method:**633 +(% style="color:blue" %)** Interrupt connection method:** 656 656 657 657 [[image:image-20230513105351-5.png||height="147" width="485"]] 658 658 ... ... @@ -664,7 +664,7 @@ 664 664 665 665 When the two pieces are close to each other, the 2 wire output will be short or open (depending on the type), while if the two pieces are away from each other, the 2 wire output will be the opposite status. So we can use SN50_v3 interrupt interface to detect the status for the door or window. 666 666 667 -(% style="color:blue" %)** ~Below is the installation example:**645 +(% style="color:blue" %)** Below is the installation example:** 668 668 669 669 Fix one piece of the magnetic sensor to the door and connect the two pins to SN50_v3 as follows: 670 670 ... ... @@ -689,7 +689,7 @@ 689 689 690 690 The command is: 691 691 692 -(% style="color:blue" %)**AT+INTMOD1=1 670 +(% style="color:blue" %)**AT+INTMOD1=1 ** (%%) ~/~/(more info about INMOD please refer** **[[**AT Command Manual**>>url:http://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/&file=DRAGINO_LSN50_AT_Commands_v1.5.1.pdf]]**. **) 693 693 694 694 Below shows some screen captures in TTN V3: 695 695 ... ... @@ -730,7 +730,7 @@ 730 730 731 731 ==== 2.3.3.7 Distance Reading ==== 732 732 733 -Refer [[Ultrasonic Sensor section>> url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.8UltrasonicSensor]].711 +Refer [[Ultrasonic Sensor section>>||anchor="H2.3.3.8UltrasonicSensor"]]. 734 734 735 735 736 736 ==== 2.3.3.8 Ultrasonic Sensor ==== ... ... @@ -739,13 +739,13 @@ 739 739 740 740 The SN50_v3 detects the pulse width of the sensor and converts it to mm output. The accuracy will be within 1 centimeter. The usable range (the distance between the ultrasonic probe and the measured object) is between 24cm and 600cm. 741 741 742 -The working principle of this sensor is similar to the **HC-SR04** ultrasonic sensor. 720 +The working principle of this sensor is similar to the (% style="color:blue" %)**HC-SR04**(%%) ultrasonic sensor. 743 743 744 744 The picture below shows the connection: 745 745 746 746 [[image:image-20230512173903-6.png||height="596" width="715"]] 747 747 748 -Connect to the SN50_v3 and run **AT+MOD=2** to switch to ultrasonic mode (ULT). 726 +Connect to the SN50_v3 and run (% style="color:blue" %)**AT+MOD=2**(%%) to switch to ultrasonic mode (ULT). 749 749 750 750 The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value. 751 751 ... ... @@ -802,7 +802,6 @@ 802 802 * 8: MOD9 803 803 804 804 805 - 806 806 == 2.4 Payload Decoder file == 807 807 808 808 ... ... @@ -880,7 +880,6 @@ 880 880 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 881 881 882 882 883 - 884 884 === 3.3.2 Get Device Status === 885 885 886 886 Send a LoRaWAN downlink to ask the device to send its status. ... ... @@ -929,7 +929,6 @@ 929 929 * Example 4: Downlink Payload: 06000201 **~-~-->** AT+INTMOD3=1 930 930 931 931 932 - 933 933 === 3.3.4 Set Power Output Duration === 934 934 935 935 Control the output duration 5V . Before each sampling, device will ... ... @@ -962,7 +962,6 @@ 962 962 * Example 2: Downlink Payload: 0701F4 **~-~-->** AT+5VT=500 963 963 964 964 965 - 966 966 === 3.3.5 Set Weighing parameters === 967 967 968 968 Feature: Working mode 5 is effective, weight initialization and weight factor setting of HX711. ... ... @@ -988,7 +988,6 @@ 988 988 * Example 3: Downlink Payload: 08020FA0 **~-~-->** AT+WEIGAP=400.0 989 989 990 990 991 - 992 992 === 3.3.6 Set Digital pulse count value === 993 993 994 994 Feature: Set the pulse count value. ... ... @@ -1012,7 +1012,6 @@ 1012 1012 * Example 2: Downlink Payload: 0902000003E8 **~-~-->** AT+SETCNT=2,1000 1013 1013 1014 1014 1015 - 1016 1016 === 3.3.7 Set Workmode === 1017 1017 1018 1018 Feature: Switch working mode. ... ... @@ -1037,7 +1037,6 @@ 1037 1037 * Example 2: Downlink Payload: 0A04 **~-~-->** AT+MOD=4 1038 1038 1039 1039 1040 - 1041 1041 = 4. Battery & Power Consumption = 1042 1042 1043 1043