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 ... ... @@ -40,6 +40,7 @@ 40 40 * Downlink to change configure 41 41 * 8500mAh Battery for long term use 42 42 44 + 43 43 == 1.3 Specification == 44 44 45 45 ... ... @@ -77,6 +77,7 @@ 77 77 * Sleep Mode: 5uA @ 3.3v 78 78 * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm 79 79 82 + 80 80 == 1.4 Sleep mode and working mode == 81 81 82 82 ... ... @@ -104,6 +104,7 @@ 104 104 ))) 105 105 |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode. 106 106 110 + 107 107 == 1.6 BLE connection == 108 108 109 109 ... ... @@ -289,6 +289,7 @@ 289 289 1. All modes share the same Payload Explanation from HERE. 290 290 1. By default, the device will send an uplink message every 20 minutes. 291 291 296 + 292 292 ==== 2.3.2.1 MOD~=1 (Default Mode) ==== 293 293 294 294 ... ... @@ -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**303 +|(% 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"]] 312 312 313 313 319 + 314 314 ==== 2.3.2.2 MOD~=2 (Distance Mode) ==== 315 315 322 + 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**326 +|(% 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"]] 332 332 340 + 333 333 (% style="color:blue" %)**Connection of LIDAR-Lite V3HP:** 334 334 335 335 [[image:image-20230512173758-5.png||height="563" width="712"]] 336 336 345 + 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"]] 342 342 352 + 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**356 +|(% 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"]] 360 360 371 + 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"]] 366 366 378 + 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) ==== 375 375 388 + 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**418 +|(% 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"]] 418 418 419 419 433 + 420 420 ==== 2.3.2.5 MOD~=5(Weight Measurement by HX711) ==== 421 421 436 + 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"]] 455 455 456 456 472 + 457 457 ==== 2.3.2.6 MOD~=6 (Counting Mode) ==== 458 458 475 + 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:** 482 +(% 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 %) 484 +(% 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"]] 480 480 481 481 499 + 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 %) 502 + 503 +(% 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 ... ... @@ -496,26 +496,25 @@ 496 496 497 497 [[image:image-20230513111203-7.png||height="324" width="975"]] 498 498 518 + 499 499 ==== 2.3.2.8 MOD~=8 (3ADC+1DS18B20) ==== 500 500 501 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px %) 521 + 522 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 502 502 |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)((( 503 503 **Size(bytes)** 504 -)))|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width:60px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width:60px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width:60px;background-color:#D9E2F3;color:#0070C0" %)2525 +)))|=(% 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" %)2 505 505 |**Value**|BAT|(% style="width:207px" %)((( 506 506 Temperature(DS18B20) 507 507 (PC13) 508 508 )))|(% style="width:94px" %)((( 509 -ADC1 510 -(PA4) 530 +ADC1(PA4) 511 511 )))|(% style="width:198px" %)((( 512 512 Digital Interrupt(PB15) 513 513 )))|(% style="width:84px" %)((( 514 -ADC2 515 -(PA5) 534 +ADC2(PA5) 516 516 )))|(% style="width:82px" %)((( 517 -ADC3 518 -(PA8) 536 +ADC3(PA8) 519 519 ))) 520 520 521 521 [[image:image-20230513111231-8.png||height="335" width="900"]] ... ... @@ -523,10 +523,11 @@ 523 523 524 524 ==== 2.3.2.9 MOD~=9 (3DS18B20+ two Interrupt count mode) ==== 525 525 526 -(% style="width:1010px" %) 527 -|=((( 544 + 545 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %) 546 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)((( 528 528 **Size(bytes)** 529 -)))|=**2**|=**2**|=**2**|=**1**|=(% style="width: 1 93px;" %)**2**|=(% style="width:78px;" %)4|=(% style="width:78px;" %)4548 +)))|=(% 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" %)4 530 530 |**Value**|BAT|((( 531 531 Temperature1(DS18B20) 532 532 (PC13) ... ... @@ -540,33 +540,32 @@ 540 540 Temperature3(DS18B20) 541 541 (PB8) 542 542 )))|(% style="width:78px" %)((( 543 -Count1 544 -(PA8) 562 +Count1(PA8) 545 545 )))|(% style="width:78px" %)((( 546 -Count2 547 -(PA4) 564 +Count2(PA4) 548 548 ))) 549 549 550 550 [[image:image-20230513111255-9.png||height="341" width="899"]] 551 551 552 -**The newly added AT command is issued correspondingly:** 569 +(% style="color:blue" %)**The newly added AT command is issued correspondingly:** 553 553 554 -** ~AT+INTMOD1****PA8** pin: Corresponding downlink: **06 00 00 xx**571 +(% style="color:#037691" %)** AT+INTMOD1 PA8**(%%) pin: Corresponding downlink: (% style="color:#037691" %)**06 00 00 xx** 555 555 556 -** ~AT+INTMOD2** **PA4** pin: Corresponding downlink:**06 00 01 xx**573 +(% style="color:#037691" %)** AT+INTMOD2 PA4**(%%) pin: Corresponding downlink: (% style="color:#037691" %)**06 00 01 xx** 557 557 558 -** ~AT+INTMOD3****PB15** pin: Corresponding downlink: ** 06 00 02 xx**575 +(% style="color:#037691" %)** AT+INTMOD3 PB15**(%%) pin: Corresponding downlink: (% style="color:#037691" %)** 06 00 02 xx** 559 559 560 -**AT+SETCNT=aa,bb** 561 561 578 +(% style="color:blue" %)**AT+SETCNT=aa,bb** 579 + 562 562 When AA is 1, set the count of PA8 pin to BB Corresponding downlink:09 01 bb bb bb bb 563 563 564 564 When AA is 2, set the count of PA4 pin to BB Corresponding downlink:09 02 bb bb bb bb 565 565 566 566 567 - 568 568 === 2.3.3 Decode payload === 569 569 587 + 570 570 While using TTN V3 network, you can add the payload format to decode the payload. 571 571 572 572 [[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"]] ... ... @@ -578,6 +578,7 @@ 578 578 579 579 ==== 2.3.3.1 Battery Info ==== 580 580 599 + 581 581 Check the battery voltage for SN50v3. 582 582 583 583 Ex1: 0x0B45 = 2885mV ... ... @@ -587,16 +587,18 @@ 587 587 588 588 ==== 2.3.3.2 Temperature (DS18B20) ==== 589 589 609 + 590 590 If there is a DS18B20 connected to PC13 pin. The temperature will be uploaded in the payload. 591 591 592 -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 +More DS18B20 can check the [[3 DS18B20 mode>>||anchor="H2.3.2.4MOD3D4283xDS18B2029"]] 593 593 594 -**Connection:** 614 +(% style="color:blue" %)**Connection:** 595 595 596 596 [[image:image-20230512180718-8.png||height="538" width="647"]] 597 597 598 -**Example**: 599 599 619 +(% style="color:blue" %)**Example**: 620 + 600 600 If payload is: 0105H: (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree 601 601 602 602 If payload is: FF3FH : (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees. ... ... @@ -606,6 +606,7 @@ 606 606 607 607 ==== 2.3.3.3 Digital Input ==== 608 608 630 + 609 609 The digital input for pin PB15, 610 610 611 611 * When PB15 is high, the bit 1 of payload byte 6 is 1. ... ... @@ -615,11 +615,14 @@ 615 615 ((( 616 616 When the digital interrupt pin is set to AT+INTMODx=0, this pin is used as a digital input pin. 617 617 618 -(% style="color:red" %)**Note:**The maximum voltage input supports 3.6V. 640 +(% style="color:red" %)**Note: The maximum voltage input supports 3.6V.** 641 + 642 + 619 619 ))) 620 620 621 621 ==== 2.3.3.4 Analogue Digital Converter (ADC) ==== 622 622 647 + 623 623 The measuring range of the ADC is only about 0V to 1.1V The voltage resolution is about 0.24mv. 624 624 625 625 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. ... ... @@ -626,17 +626,19 @@ 626 626 627 627 [[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"]] 628 628 629 -(% 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.654 +(% 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.** 630 630 631 631 632 632 ==== 2.3.3.5 Digital Interrupt ==== 633 633 659 + 634 634 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. 635 635 636 -(% style="color:blue" %)** ~Interrupt connection method:**662 +(% style="color:blue" %)** Interrupt connection method:** 637 637 638 638 [[image:image-20230513105351-5.png||height="147" width="485"]] 639 639 666 + 640 640 (% style="color:blue" %)**Example to use with door sensor :** 641 641 642 642 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. ... ... @@ -645,8 +645,9 @@ 645 645 646 646 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. 647 647 648 -(% style="color:blue" %)**~ Below is the installation example:** 649 649 676 +(% style="color:blue" %)**Below is the installation example:** 677 + 650 650 Fix one piece of the magnetic sensor to the door and connect the two pins to SN50_v3 as follows: 651 651 652 652 * ((( ... ... @@ -658,7 +658,7 @@ 658 658 659 659 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. 660 660 661 -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. 689 +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. 662 662 663 663 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. 664 664 ... ... @@ -670,7 +670,7 @@ 670 670 671 671 The command is: 672 672 673 -(% style="color:blue" %)**AT+INTMOD1=1 701 +(% 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]]**. **) 674 674 675 675 Below shows some screen captures in TTN V3: 676 676 ... ... @@ -711,7 +711,7 @@ 711 711 712 712 ==== 2.3.3.7 Distance Reading ==== 713 713 714 -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]].742 +Refer [[Ultrasonic Sensor section>>||anchor="H2.3.3.8UltrasonicSensor"]]. 715 715 716 716 717 717 ==== 2.3.3.8 Ultrasonic Sensor ==== ... ... @@ -720,13 +720,13 @@ 720 720 721 721 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. 722 722 723 -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. 724 724 725 725 The picture below shows the connection: 726 726 727 727 [[image:image-20230512173903-6.png||height="596" width="715"]] 728 728 729 -Connect to the SN50_v3 and run **AT+MOD=2** to switch to ultrasonic mode (ULT). 757 +Connect to the SN50_v3 and run (% style="color:blue" %)**AT+MOD=2**(%%) to switch to ultrasonic mode (ULT). 730 730 731 731 The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value. 732 732 ... ... @@ -782,8 +782,6 @@ 782 782 * 7: MOD8 783 783 * 8: MOD9 784 784 785 - 786 - 787 787 == 2.4 Payload Decoder file == 788 788 789 789 ... ... @@ -860,8 +860,6 @@ 860 860 * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds 861 861 * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds 862 862 863 - 864 - 865 865 === 3.3.2 Get Device Status === 866 866 867 867 Send a LoRaWAN downlink to ask the device to send its status. ... ... @@ -909,8 +909,6 @@ 909 909 * Example 3: Downlink Payload: 06000102 **~-~-->** AT+INTMOD2=2 910 910 * Example 4: Downlink Payload: 06000201 **~-~-->** AT+INTMOD3=1 911 911 912 - 913 - 914 914 === 3.3.4 Set Power Output Duration === 915 915 916 916 Control the output duration 5V . Before each sampling, device will ... ... @@ -942,8 +942,6 @@ 942 942 * Example 1: Downlink Payload: 070000 **~-~-->** AT+5VT=0 943 943 * Example 2: Downlink Payload: 0701F4 **~-~-->** AT+5VT=500 944 944 945 - 946 - 947 947 === 3.3.5 Set Weighing parameters === 948 948 949 949 Feature: Working mode 5 is effective, weight initialization and weight factor setting of HX711. ... ... @@ -968,8 +968,6 @@ 968 968 * Example 2: Downlink Payload: 08020FA3 **~-~-->** AT+WEIGAP=400.3 969 969 * Example 3: Downlink Payload: 08020FA0 **~-~-->** AT+WEIGAP=400.0 970 970 971 - 972 - 973 973 === 3.3.6 Set Digital pulse count value === 974 974 975 975 Feature: Set the pulse count value. ... ... @@ -992,8 +992,6 @@ 992 992 * Example 1: Downlink Payload: 090100000000 **~-~-->** AT+SETCNT=1,0 993 993 * Example 2: Downlink Payload: 0902000003E8 **~-~-->** AT+SETCNT=2,1000 994 994 995 - 996 - 997 997 === 3.3.7 Set Workmode === 998 998 999 999 Feature: Switch working mode. ... ... @@ -1017,8 +1017,6 @@ 1017 1017 * Example 1: Downlink Payload: 0A01 **~-~-->** AT+MOD=1 1018 1018 * Example 2: Downlink Payload: 0A04 **~-~-->** AT+MOD=4 1019 1019 1020 - 1021 - 1022 1022 = 4. Battery & Power Consumption = 1023 1023 1024 1024