Changes for page SN50v3-LB/LS -- LoRaWAN Sensor Node User Manual
Last modified by Bei Jinggeng on 2025/01/10 15:51
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... ... @@ -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:40px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:90px;background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="width:130px;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" %)((( ... ... @@ -311,12 +311,14 @@ 311 311 [[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/image-20220627150949-6.png?rev=1.1||alt="image-20220627150949-6.png"]] 312 312 313 313 315 + 314 314 ==== 2.3.2.2 MOD~=2 (Distance Mode) ==== 315 315 318 + 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**322 +|(% 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" %)((( ... ... @@ -330,10 +330,12 @@ 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"]] 332 332 336 + 333 333 (% style="color:blue" %)**Connection of LIDAR-Lite V3HP:** 334 334 335 335 [[image:image-20230512173758-5.png||height="563" width="712"]] 336 336 341 + 337 337 (% 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. ... ... @@ -340,10 +340,11 @@ 340 340 341 341 [[image:image-20230512173903-6.png||height="596" width="715"]] 342 342 348 + 343 343 For the connection to TF-Mini or TF-Luna , MOD2 payload is as below: 344 344 345 345 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 346 -|(% 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:100px;background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="width:50px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:120px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width:80px;background-color:#D9E2F3;color:#0070C0" %)**2**352 +|(% 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" %)((( 348 348 Temperature(DS18B20)(PC13) 349 349 )))|(% style="width:173px" %)((( ... ... @@ -358,6 +358,7 @@ 358 358 359 359 [[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/1656376779088-686.png?rev=1.1||alt="1656376779088-686.png"]] 360 360 367 + 361 361 **Connection to [[TF-Mini plus>>url:http://en.benewake.com/product/detail/5c345cd0e5b3a844c472329b.html]] LiDAR(UART version):** 362 362 363 363 Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current. ... ... @@ -364,6 +364,7 @@ 364 364 365 365 [[image:image-20230512180609-7.png||height="555" width="802"]] 366 366 374 + 367 367 **Connection to [[TF-Luna>>url:http://en.benewake.com/product/detail/5e1c1fd04d839408076b6255.html]] LiDAR (UART version):** 368 368 369 369 Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current. ... ... @@ -373,6 +373,7 @@ 373 373 374 374 ==== 2.3.2.3 MOD~=3 (3 ADC + I2C) ==== 375 375 384 + 376 376 This mode has total 12 bytes. Include 3 x ADC + 1x I2C 377 377 378 378 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) ... ... @@ -402,7 +402,7 @@ 402 402 This mode has total 11 bytes. As shown below: 403 403 404 404 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 405 -|(% 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: 50px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**2**414 +|(% 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** 406 406 |**Value**|BAT|(% style="width:186px" %)((( 407 407 Temperature1(DS18B20)(PC13) 408 408 )))|(% style="width:82px" %)((( ... ... @@ -417,8 +417,10 @@ 417 417 [[image:image-20230513134006-1.png||height="559" width="736"]] 418 418 419 419 429 + 420 420 ==== 2.3.2.5 MOD~=5(Weight Measurement by HX711) ==== 421 421 432 + 422 422 [[image:image-20230512164658-2.png||height="532" width="729"]] 423 423 424 424 Each HX711 need to be calibrated before used. User need to do below two steps: ... ... @@ -454,8 +454,10 @@ 454 454 [[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/image-20220820120036-2.png?width=1003&height=469&rev=1.1||alt="image-20220820120036-2.png" height="469" width="1003"]] 455 455 456 456 468 + 457 457 ==== 2.3.2.6 MOD~=6 (Counting Mode) ==== 458 458 471 + 459 459 In this mode, the device will work in counting mode. It counts the interrupt on the interrupt pins and sends the count on TDC time. 460 460 461 461 Connection is as below. The PIR sensor is a count sensor, it will generate interrupt when people come close or go away. User can replace the PIR sensor with other counting sensors. ... ... @@ -462,9 +462,9 @@ 462 462 463 463 [[image:image-20230512181814-9.png||height="543" width="697"]] 464 464 465 -(% style="color:red" %)**Note:** 478 +(% 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.** 466 466 467 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px %) 480 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 468 468 |=(% 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** 469 469 |**Value**|BAT|(% style="width:256px" %)((( 470 470 Temperature(DS18B20)(PC13) ... ... @@ -479,9 +479,11 @@ 479 479 [[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"]] 480 480 481 481 495 + 482 482 ==== 2.3.2.7 MOD~=7 (Three interrupt contact modes) ==== 483 483 484 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px %) 498 + 499 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 485 485 |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)((( 486 486 **Size(bytes)** 487 487 )))|=(% 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 ... ... @@ -489,8 +489,7 @@ 489 489 Temperature(DS18B20) 490 490 (PC13) 491 491 )))|(% style="width:83px" %)((( 492 -ADC 493 -(PA5) 507 +ADC(PA5) 494 494 )))|(% style="width:184px" %)((( 495 495 Digital Interrupt1(PA8) 496 496 )))|(% style="width:186px" %)Digital Interrupt2(PA4)|(% style="width:197px" %)Digital Interrupt3(PB15)|(% style="width:100px" %)Reserved ... ... @@ -497,26 +497,25 @@ 497 497 498 498 [[image:image-20230513111203-7.png||height="324" width="975"]] 499 499 514 + 500 500 ==== 2.3.2.8 MOD~=8 (3ADC+1DS18B20) ==== 501 501 502 -(% style="width:922px" %) 503 -|=((( 517 + 518 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 519 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)((( 504 504 **Size(bytes)** 505 -)))|=**2**|=(% style="width: 20 7px;" %)**2**|=(% style="width:94px;" %)**2**|=(% style="width: 198px;" %)**1**|=(% style="width:84px;" %)**2**|=(% style="width:82px;" %)2521 +)))|=(% 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" %)2 506 506 |**Value**|BAT|(% style="width:207px" %)((( 507 507 Temperature(DS18B20) 508 508 (PC13) 509 509 )))|(% style="width:94px" %)((( 510 -ADC1 511 -(PA4) 526 +ADC1(PA4) 512 512 )))|(% style="width:198px" %)((( 513 513 Digital Interrupt(PB15) 514 514 )))|(% style="width:84px" %)((( 515 -ADC2 516 -(PA5) 530 +ADC2(PA5) 517 517 )))|(% style="width:82px" %)((( 518 -ADC3 519 -(PA8) 532 +ADC3(PA8) 520 520 ))) 521 521 522 522 [[image:image-20230513111231-8.png||height="335" width="900"]] ... ... @@ -524,10 +524,11 @@ 524 524 525 525 ==== 2.3.2.9 MOD~=9 (3DS18B20+ two Interrupt count mode) ==== 526 526 527 -(% style="width:1010px" %) 528 -|=((( 540 + 541 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 542 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)((( 529 529 **Size(bytes)** 530 -)))|=**2**|=**2**|=**2**|=**1**|=(% style="width: 1 93px;" %)**2**|=(% style="width:78px;" %)4|=(% style="width:78px;" %)4544 +)))|=(% 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" %)4 531 531 |**Value**|BAT|((( 532 532 Temperature1(DS18B20) 533 533 (PC13) ... ... @@ -541,33 +541,32 @@ 541 541 Temperature3(DS18B20) 542 542 (PB8) 543 543 )))|(% style="width:78px" %)((( 544 -Count1 545 -(PA8) 558 +Count1(PA8) 546 546 )))|(% style="width:78px" %)((( 547 -Count2 548 -(PA4) 560 +Count2(PA4) 549 549 ))) 550 550 551 551 [[image:image-20230513111255-9.png||height="341" width="899"]] 552 552 553 -**The newly added AT command is issued correspondingly:** 565 +(% style="color:blue" %)**The newly added AT command is issued correspondingly:** 554 554 555 -** ~AT+INTMOD1****PA8** pin: Corresponding downlink: **06 00 00 xx**567 +(% style="color:#037691" %)** AT+INTMOD1 PA8**(%%) pin: Corresponding downlink: (% style="color:#037691" %)**06 00 00 xx** 556 556 557 -** ~AT+INTMOD2** **PA4** pin: Corresponding downlink:**06 00 01 xx**569 +(% style="color:#037691" %)** AT+INTMOD2 PA4**(%%) pin: Corresponding downlink: (% style="color:#037691" %)**06 00 01 xx** 558 558 559 -** ~AT+INTMOD3****PB15** pin: Corresponding downlink: ** 06 00 02 xx**571 +(% style="color:#037691" %)** AT+INTMOD3 PB15**(%%) pin: Corresponding downlink: (% style="color:#037691" %)** 06 00 02 xx** 560 560 561 -**AT+SETCNT=aa,bb** 562 562 574 +(% style="color:blue" %)**AT+SETCNT=aa,bb** 575 + 563 563 When AA is 1, set the count of PA8 pin to BB Corresponding downlink:09 01 bb bb bb bb 564 564 565 565 When AA is 2, set the count of PA4 pin to BB Corresponding downlink:09 02 bb bb bb bb 566 566 567 567 568 - 569 569 === 2.3.3 Decode payload === 570 570 583 + 571 571 While using TTN V3 network, you can add the payload format to decode the payload. 572 572 573 573 [[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/1656378466788-734.png?rev=1.1||alt="1656378466788-734.png"]] ... ... @@ -579,6 +579,7 @@ 579 579 580 580 ==== 2.3.3.1 Battery Info ==== 581 581 595 + 582 582 Check the battery voltage for SN50v3. 583 583 584 584 Ex1: 0x0B45 = 2885mV ... ... @@ -588,16 +588,18 @@ 588 588 589 589 ==== 2.3.3.2 Temperature (DS18B20) ==== 590 590 605 + 591 591 If there is a DS18B20 connected to PC13 pin. The temperature will be uploaded in the payload. 592 592 593 -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]]608 +More DS18B20 can check the [[3 DS18B20 mode>>||anchor="H2.3.2.4MOD3D4283xDS18B2029"]] 594 594 595 -**Connection:** 610 +(% style="color:blue" %)**Connection:** 596 596 597 597 [[image:image-20230512180718-8.png||height="538" width="647"]] 598 598 599 -**Example**: 600 600 615 +(% style="color:blue" %)**Example**: 616 + 601 601 If payload is: 0105H: (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree 602 602 603 603 If payload is: FF3FH : (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. ... ... @@ -607,6 +607,7 @@ 607 607 608 608 ==== 2.3.3.3 Digital Input ==== 609 609 626 + 610 610 The digital input for pin PB15, 611 611 612 612 * When PB15 is high, the bit 1 of payload byte 6 is 1. ... ... @@ -616,11 +616,14 @@ 616 616 ((( 617 617 When the digital interrupt pin is set to AT+INTMODx=0, this pin is used as a digital input pin. 618 618 619 -(% style="color:red" %)**Note:**The maximum voltage input supports 3.6V. 636 +(% style="color:red" %)**Note: The maximum voltage input supports 3.6V.** 637 + 638 + 620 620 ))) 621 621 622 622 ==== 2.3.3.4 Analogue Digital Converter (ADC) ==== 623 623 643 + 624 624 The measuring range of the ADC is only about 0V to 1.1V The voltage resolution is about 0.24mv. 625 625 626 626 When the measured output voltage of the sensor is not within the range of 0V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series. ... ... @@ -627,17 +627,19 @@ 627 627 628 628 [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220628150112-1.png?width=285&height=241&rev=1.1||alt="image-20220628150112-1.png" height="241" width="285"]] 629 629 630 -(% style="color:red" %)**Note: **If the ADC type sensor needs to be powered by SN50_v3, it is recommended to use +5V to control its switch.Only sensors with low power consumption can be powered with VDD.650 +(% style="color:red" %)**Note: If the ADC type sensor needs to be powered by SN50_v3, it is recommended to use +5V to control its switch.Only sensors with low power consumption can be powered with VDD.** 631 631 632 632 633 633 ==== 2.3.3.5 Digital Interrupt ==== 634 634 655 + 635 635 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. 636 636 637 -(% style="color:blue" %)** ~Interrupt connection method:**658 +(% style="color:blue" %)** Interrupt connection method:** 638 638 639 639 [[image:image-20230513105351-5.png||height="147" width="485"]] 640 640 662 + 641 641 (% style="color:blue" %)**Example to use with door sensor :** 642 642 643 643 The door sensor is shown at right. It is a two wire magnetic contact switch used for detecting the open/close status of doors or windows. ... ... @@ -646,8 +646,9 @@ 646 646 647 647 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. 648 648 649 -(% style="color:blue" %)**~ Below is the installation example:** 650 650 672 +(% style="color:blue" %)**Below is the installation example:** 673 + 651 651 Fix one piece of the magnetic sensor to the door and connect the two pins to SN50_v3 as follows: 652 652 653 653 * ((( ... ... @@ -659,7 +659,7 @@ 659 659 660 660 Install the other piece to the door. Find a place where the two pieces will be close to each other when the door is closed. For this particular magnetic sensor, when the door is closed, the output will be short, and PA8 will be at the VCC voltage. 661 661 662 -Door sensors have two types: ** NC (Normal close)** and **NO (normal open)**. The connection for both type sensors are the same. But the decoding for payload are reverse, user need to modify this in the IoT Server decoder. 685 +Door sensors have two types: (% style="color:blue" %)** NC (Normal close)**(%%) and (% style="color:blue" %)**NO (normal open)**(%%). The connection for both type sensors are the same. But the decoding for payload are reverse, user need to modify this in the IoT Server decoder. 663 663 664 664 When door sensor is shorted, there will extra power consumption in the circuit, the extra current is 3v3/R14 = 3v3/1Mohm = 3uA which can be ignored. 665 665 ... ... @@ -671,12 +671,13 @@ 671 671 672 672 The command is: 673 673 674 -(% style="color:blue" %)**AT+INTMOD1=1 697 +(% 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]]**. **) 675 675 676 676 Below shows some screen captures in TTN V3: 677 677 678 678 [[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/1656379339508-835.png?rev=1.1||alt="1656379339508-835.png"]] 679 679 703 + 680 680 In MOD=1, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below: 681 681 682 682 door= (bytes[6] & 0x80)? "CLOSE":"OPEN"; ... ... @@ -684,6 +684,7 @@ 684 684 685 685 ==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ==== 686 686 711 + 687 687 The SDA and SCK are I2C interface lines. You can use these to connect to an I2C device and get the sensor data. 688 688 689 689 We have made an example to show how to use the I2C interface to connect to the SHT20/ SHT31 Temperature and Humidity Sensor. ... ... @@ -712,23 +712,26 @@ 712 712 713 713 ==== 2.3.3.7 Distance Reading ==== 714 714 715 -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]]. 716 716 741 +Refer [[Ultrasonic Sensor section>>||anchor="H2.3.3.8UltrasonicSensor"]]. 717 717 743 + 718 718 ==== 2.3.3.8 Ultrasonic Sensor ==== 719 719 746 + 720 720 This Fundamental Principles of this sensor can be found at this link: [[https:~~/~~/wiki.dfrobot.com/Weather_-_proof_Ultrasonic_Sensor_with_Separate_Probe_SKU~~_~~__SEN0208>>url:https://wiki.dfrobot.com/Weather_-_proof_Ultrasonic_Sensor_with_Separate_Probe_SKU___SEN0208]] 721 721 722 722 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. 723 723 724 -The working principle of this sensor is similar to the **HC-SR04** ultrasonic sensor. 751 +The working principle of this sensor is similar to the (% style="color:blue" %)**HC-SR04**(%%) ultrasonic sensor. 725 725 726 726 The picture below shows the connection: 727 727 728 728 [[image:image-20230512173903-6.png||height="596" width="715"]] 729 729 730 -Connect to the SN50_v3 and run **AT+MOD=2** to switch to ultrasonic mode (ULT). 731 731 758 +Connect to the SN50_v3 and run (% style="color:blue" %)**AT+MOD=2**(%%) to switch to ultrasonic mode (ULT). 759 + 732 732 The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value. 733 733 734 734 **Example:** ... ... @@ -736,14 +736,15 @@ 736 736 Distance: Read: 0C2D(Hex) = 3117(D) Value: 3117 mm=311.7 cm 737 737 738 738 739 - 740 740 ==== 2.3.3.9 Battery Output - BAT pin ==== 741 741 769 + 742 742 The BAT pin of SN50v3 is connected to the Battery directly. If users want to use BAT pin to power an external sensor. User need to make sure the external sensor is of low power consumption. Because the BAT pin is always open. If the external sensor is of high power consumption. the battery of SN50v3-LB will run out very soon. 743 743 744 744 745 745 ==== 2.3.3.10 +5V Output ==== 746 746 775 + 747 747 SN50v3 will enable +5V output before all sampling and disable the +5v after all sampling. 748 748 749 749 The 5V output time can be controlled by AT Command. ... ... @@ -755,18 +755,20 @@ 755 755 By default the AT+5VT=500. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor. 756 756 757 757 758 - 759 759 ==== 2.3.3.11 BH1750 Illumination Sensor ==== 760 760 789 + 761 761 MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes. 762 762 763 763 [[image:image-20230512172447-4.png||height="416" width="712"]] 764 764 794 + 765 765 [[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/image-20220628110012-12.png?rev=1.1||alt="image-20220628110012-12.png" height="361" width="953"]] 766 766 767 767 768 768 ==== 2.3.3.12 Working MOD ==== 769 769 800 + 770 770 The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte). 771 771 772 772 User can use the 3^^rd^^ ~~ 7^^th^^ bit of this byte to see the working mod: ... ... @@ -795,7 +795,6 @@ 795 795 [[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/SN50_v3-LB>>https://github.com/dragino/dragino-end-node-decoder/tree/main/SN50_v3-LB]] 796 796 797 797 798 - 799 799 == 2.5 Frequency Plans == 800 800 801 801 ... ... @@ -815,6 +815,8 @@ 815 815 * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]]. 816 816 * LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section. 817 817 848 + 849 + 818 818 == 3.2 General Commands == 819 819 820 820 ... ... @@ -836,6 +836,7 @@ 836 836 837 837 === 3.3.1 Set Transmit Interval Time === 838 838 871 + 839 839 Feature: Change LoRaWAN End Node Transmit Interval. 840 840 841 841 (% style="color:blue" %)**AT Command: AT+TDC** ... ... @@ -861,8 +861,6 @@ 861 861 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 862 862 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 863 863 864 - 865 - 866 866 === 3.3.2 Get Device Status === 867 867 868 868 Send a LoRaWAN downlink to ask the device to send its status. ... ... @@ -910,8 +910,6 @@ 910 910 * Example 3: Downlink Payload: 06000102 **~-~-->** AT+INTMOD2=2 911 911 * Example 4: Downlink Payload: 06000201 **~-~-->** AT+INTMOD3=1 912 912 913 - 914 - 915 915 === 3.3.4 Set Power Output Duration === 916 916 917 917 Control the output duration 5V . Before each sampling, device will ... ... @@ -943,8 +943,6 @@ 943 943 * Example 1: Downlink Payload: 070000 **~-~-->** AT+5VT=0 944 944 * Example 2: Downlink Payload: 0701F4 **~-~-->** AT+5VT=500 945 945 946 - 947 - 948 948 === 3.3.5 Set Weighing parameters === 949 949 950 950 Feature: Working mode 5 is effective, weight initialization and weight factor setting of HX711. ... ... @@ -969,8 +969,6 @@ 969 969 * Example 2: Downlink Payload: 08020FA3 **~-~-->** AT+WEIGAP=400.3 970 970 * Example 3: Downlink Payload: 08020FA0 **~-~-->** AT+WEIGAP=400.0 971 971 972 - 973 - 974 974 === 3.3.6 Set Digital pulse count value === 975 975 976 976 Feature: Set the pulse count value. ... ... @@ -993,8 +993,6 @@ 993 993 * Example 1: Downlink Payload: 090100000000 **~-~-->** AT+SETCNT=1,0 994 994 * Example 2: Downlink Payload: 0902000003E8 **~-~-->** AT+SETCNT=2,1000 995 995 996 - 997 - 998 998 === 3.3.7 Set Workmode === 999 999 1000 1000 Feature: Switch working mode. ... ... @@ -1018,8 +1018,6 @@ 1018 1018 * Example 1: Downlink Payload: 0A01 **~-~-->** AT+MOD=1 1019 1019 * Example 2: Downlink Payload: 0A04 **~-~-->** AT+MOD=4 1020 1020 1021 - 1022 - 1023 1023 = 4. Battery & Power Consumption = 1024 1024 1025 1025