Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 43.57 >
edited by Xiaoling
on 2023/05/16 16:38
To version < 43.44 >
edited by Xiaoling
on 2023/05/16 15:31
>
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Summary

Details

Page properties
Content
... ... @@ -41,8 +41,6 @@
41 41  * Downlink to change configure
42 42  * 8500mAh Battery for long term use
43 43  
44 -
45 -
46 46  == 1.3 Specification ==
47 47  
48 48  
... ... @@ -80,8 +80,6 @@
80 80  * Sleep Mode: 5uA @ 3.3v
81 81  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
82 82  
83 -
84 -
85 85  == 1.4 Sleep mode and working mode ==
86 86  
87 87  
... ... @@ -109,8 +109,6 @@
109 109  )))
110 110  |(% 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.
111 111  
112 -
113 -
114 114  == 1.6 BLE connection ==
115 115  
116 116  
... ... @@ -296,8 +296,6 @@
296 296  1. All modes share the same Payload Explanation from HERE.
297 297  1. By default, the device will send an uplink message every 20 minutes.
298 298  
299 -
300 -
301 301  ==== 2.3.2.1  MOD~=1 (Default Mode) ====
302 302  
303 303  
... ... @@ -304,7 +304,7 @@
304 304  In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2.
305 305  
306 306  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
307 -|(% 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:90px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:130px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**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**
308 308  |**Value**|Bat|(% style="width:191px" %)(((
309 309  Temperature(DS18B20)(PC13)
310 310  )))|(% style="width:78px" %)(((
... ... @@ -320,14 +320,12 @@
320 320  [[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"]]
321 321  
322 322  
323 -
324 324  ==== 2.3.2.2  MOD~=2 (Distance Mode) ====
325 325  
326 -
327 327  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.
328 328  
329 329  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
330 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:30px" %)**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 +|(% 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**
331 331  |**Value**|BAT|(% style="width:196px" %)(((
332 332  Temperature(DS18B20)(PC13)
333 333  )))|(% style="width:87px" %)(((
... ... @@ -336,18 +336,15 @@
336 336  Digital in(PB15) & Digital Interrupt(PA8)
337 337  )))|(% style="width:208px" %)(((
338 338  Distance measure by:1) LIDAR-Lite V3HP
339 -Or
340 -2) Ultrasonic Sensor
329 +Or 2) Ultrasonic Sensor
341 341  )))|(% style="width:117px" %)Reserved
342 342  
343 343  [[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"]]
344 344  
345 -
346 346  (% style="color:blue" %)**Connection of LIDAR-Lite V3HP:**
347 347  
348 348  [[image:image-20230512173758-5.png||height="563" width="712"]]
349 349  
350 -
351 351  (% style="color:blue" %)**Connection to Ultrasonic Sensor:**
352 352  
353 353  Need to remove R1 and R2 resistors to get low power,otherwise there will be 240uA standby current.
... ... @@ -354,7 +354,6 @@
354 354  
355 355  [[image:image-20230512173903-6.png||height="596" width="715"]]
356 356  
357 -
358 358  For the connection to TF-Mini or TF-Luna , MOD2 payload is as below:
359 359  
360 360  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
... ... @@ -373,7 +373,6 @@
373 373  
374 374  [[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"]]
375 375  
376 -
377 377  **Connection to [[TF-Mini plus>>url:http://en.benewake.com/product/detail/5c345cd0e5b3a844c472329b.html]] LiDAR(UART version):**
378 378  
379 379  Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.
... ... @@ -380,7 +380,6 @@
380 380  
381 381  [[image:image-20230512180609-7.png||height="555" width="802"]]
382 382  
383 -
384 384  **Connection to [[TF-Luna>>url:http://en.benewake.com/product/detail/5e1c1fd04d839408076b6255.html]] LiDAR (UART version):**
385 385  
386 386  Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.
... ... @@ -390,13 +390,12 @@
390 390  
391 391  ==== 2.3.2.3  MOD~=3 (3 ADC + I2C) ====
392 392  
393 -
394 394  This mode has total 12 bytes. Include 3 x ADC + 1x I2C
395 395  
396 396  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
397 397  |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
398 398  **Size(bytes)**
399 -)))|=(% 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: 110px;background-color:#D9E2F3;color:#0070C0" %)2|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)2|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)1
382 +)))|=(% 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
400 400  |**Value**|(% style="width:68px" %)(((
401 401  ADC1(PA4)
402 402  )))|(% style="width:75px" %)(((
... ... @@ -435,10 +435,8 @@
435 435  [[image:image-20230513134006-1.png||height="559" width="736"]]
436 436  
437 437  
438 -
439 439  ==== 2.3.2.5  MOD~=5(Weight Measurement by HX711) ====
440 440  
441 -
442 442  [[image:image-20230512164658-2.png||height="532" width="729"]]
443 443  
444 444  Each HX711 need to be calibrated before used. User need to do below two steps:
... ... @@ -447,9 +447,6 @@
447 447  1. Adjust calibration factor (default value 400): Put a known weight thing on load cell and run **AT+WEIGAP** to adjust the Calibration Factor.
448 448  1. (((
449 449  Weight has 4 bytes, the unit is g.
450 -
451 -
452 -
453 453  )))
454 454  
455 455  For example:
... ... @@ -465,20 +465,20 @@
465 465  **Size(bytes)**
466 466  )))|=(% 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**
467 467  |**Value**|BAT|(% style="width:193px" %)(((
468 -Temperature(DS18B20)(PC13)
446 +Temperature(DS18B20)
447 +(PC13)
469 469  )))|(% style="width:85px" %)(((
470 470  ADC(PA4)
471 471  )))|(% style="width:186px" %)(((
472 -Digital in(PB15) & Digital Interrupt(PA8)
451 +Digital in(PB15) &
452 +Digital Interrupt(PA8)
473 473  )))|(% style="width:100px" %)Weight
474 474  
475 475  [[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"]]
476 476  
477 477  
478 -
479 479  ==== 2.3.2.6  MOD~=6 (Counting Mode) ====
480 480  
481 -
482 482  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.
483 483  
484 484  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.
... ... @@ -485,11 +485,10 @@
485 485  
486 486  [[image:image-20230512181814-9.png||height="543" width="697"]]
487 487  
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.
488 488  
489 -(% 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.**
490 -
491 491  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
492 -|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|=(% style="width: 40px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 180px;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: 80px;background-color:#D9E2F3;color:#0070C0" %)**4**
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**
493 493  |**Value**|BAT|(% style="width:256px" %)(((
494 494  Temperature(DS18B20)(PC13)
495 495  )))|(% style="width:108px" %)(((
... ... @@ -503,10 +503,8 @@
503 503  [[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"]]
504 504  
505 505  
506 -
507 507  ==== 2.3.2.7  MOD~=7 (Three interrupt contact modes) ====
508 508  
509 -
510 510  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
511 511  |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
512 512  **Size(bytes)**
... ... @@ -522,14 +522,12 @@
522 522  
523 523  [[image:image-20230513111203-7.png||height="324" width="975"]]
524 524  
525 -
526 526  ==== 2.3.2.8  MOD~=8 （3ADC+1DS18B20） ====
527 527  
528 -
529 529  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
530 530  |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
531 531  **Size(bytes)**
532 -)))|=(% style="width: 30px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 110px;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 +)))|=(% 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
533 533  |**Value**|BAT|(% style="width:207px" %)(((
534 534  Temperature(DS18B20)
535 535  (PC13)
... ... @@ -548,11 +548,10 @@
548 548  
549 549  ==== 2.3.2.9  MOD~=9 (3DS18B20+ two Interrupt count mode) ====
550 550  
551 -
552 552  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
553 553  |=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
554 554  **Size(bytes)**
555 -)))|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)4|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)4
527 +)))|=(% 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
556 556  |**Value**|BAT|(((
557 557  Temperature1(DS18B20)
558 558  (PC13)
... ... @@ -589,9 +589,9 @@
589 589  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
590 590  
591 591  
564 +
592 592  === 2.3.3  ​Decode payload ===
593 593  
594 -
595 595  While using TTN V3 network, you can add the payload format to decode the payload.
596 596  
597 597  [[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"]]
... ... @@ -603,7 +603,6 @@
603 603  
604 604  ==== 2.3.3.1 Battery Info ====
605 605  
606 -
607 607  Check the battery voltage for SN50v3.
608 608  
609 609  Ex1: 0x0B45 = 2885mV
... ... @@ -613,16 +613,14 @@
613 613  
614 614  ==== 2.3.3.2  Temperature (DS18B20) ====
615 615  
616 -
617 617  If there is a DS18B20 connected to PC13 pin. The temperature will be uploaded in the payload.
618 618  
619 -More DS18B20 can check the [[3 DS18B20 mode>>||anchor="H2.3.2.4MOD3D4283xDS18B2029"]]
589 +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]]
620 620  
621 621  (% style="color:blue" %)**Connection:**
622 622  
623 623  [[image:image-20230512180718-8.png||height="538" width="647"]]
624 624  
625 -
626 626  (% style="color:blue" %)**Example**:
627 627  
628 628  If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
... ... @@ -634,7 +634,6 @@
634 634  
635 635  ==== 2.3.3.3 Digital Input ====
636 636  
637 -
638 638  The digital input for pin PB15,
639 639  
640 640  * When PB15 is high, the bit 1 of payload byte 6 is 1.
... ... @@ -644,14 +644,11 @@
644 644  (((
645 645  When the digital interrupt pin is set to AT+INTMODx=0, this pin is used as a digital input pin.
646 646  
647 -(% style="color:red" %)**Note: The maximum voltage input supports 3.6V.**
648 -
649 -
615 +(% style="color:red" %)**Note:**The maximum voltage input supports 3.6V.
650 650  )))
651 651  
652 652  ==== 2.3.3.4  Analogue Digital Converter (ADC) ====
653 653  
654 -
655 655  The measuring range of the ADC is only about 0V to 1.1V The voltage resolution is about 0.24mv.
656 656  
657 657  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.
... ... @@ -658,12 +658,11 @@
658 658  
659 659  [[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"]]
660 660  
661 -(% 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.**
626 +(% 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.
662 662  
663 663  
664 664  ==== 2.3.3.5 Digital Interrupt ====
665 665  
666 -
667 667  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.
668 668  
669 669  (% style="color:blue" %)** Interrupt connection method:**
... ... @@ -670,7 +670,6 @@
670 670  
671 671  [[image:image-20230513105351-5.png||height="147" width="485"]]
672 672  
673 -
674 674  (% style="color:blue" %)**Example to use with door sensor :**
675 675  
676 676  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.
... ... @@ -679,9 +679,8 @@
679 679  
680 680  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.
681 681  
645 +(% style="color:blue" %)** Below is the installation example:**
682 682  
683 -(% style="color:blue" %)**Below is the installation example:**
684 -
685 685  Fix one piece of the magnetic sensor to the door and connect the two pins to SN50_v3 as follows:
686 686  
687 687  * (((
... ... @@ -693,7 +693,7 @@
693 693  
694 694  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.
695 695  
696 -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.
658 +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.
697 697  
698 698  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.
699 699  
... ... @@ -711,7 +711,6 @@
711 711  
712 712  [[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"]]
713 713  
714 -
715 715  In MOD=1, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below:
716 716  
717 717  door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
... ... @@ -719,7 +719,6 @@
719 719  
720 720  ==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ====
721 721  
722 -
723 723  The SDA and SCK are I2C interface lines. You can use these to connect to an I2C device and get the sensor data.
724 724  
725 725  We have made an example to show how to use the I2C interface to connect to the SHT20/ SHT31 Temperature and Humidity Sensor.
... ... @@ -748,13 +748,11 @@
748 748  
749 749  ==== 2.3.3.7  ​Distance Reading ====
750 750  
751 -
752 752  Refer [[Ultrasonic Sensor section>>||anchor="H2.3.3.8UltrasonicSensor"]].
753 753  
754 754  
755 755  ==== 2.3.3.8 Ultrasonic Sensor ====
756 756  
757 -
758 758  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]]
759 759  
760 760  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.
... ... @@ -765,7 +765,6 @@
765 765  
766 766  [[image:image-20230512173903-6.png||height="596" width="715"]]
767 767  
768 -
769 769  Connect to the SN50_v3 and run (% style="color:blue" %)**AT+MOD=2**(%%) to switch to ultrasonic mode (ULT).
770 770  
771 771  The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value.
... ... @@ -775,15 +775,14 @@
775 775  Distance:  Read: 0C2D(Hex) = 3117(D)  Value:  3117 mm=311.7 cm
776 776  
777 777  
735 +
778 778  ==== 2.3.3.9  Battery Output - BAT pin ====
779 779  
780 -
781 781  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.
782 782  
783 783  
784 784  ==== 2.3.3.10  +5V Output ====
785 785  
786 -
787 787  SN50v3 will enable +5V output before all sampling and disable the +5v after all sampling. 
788 788  
789 789  The 5V output time can be controlled by AT Command.
... ... @@ -795,20 +795,18 @@
795 795  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.
796 796  
797 797  
754 +
798 798  ==== 2.3.3.11  BH1750 Illumination Sensor ====
799 799  
800 -
801 801  MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes.
802 802  
803 803  [[image:image-20230512172447-4.png||height="416" width="712"]]
804 804  
805 -
806 806  [[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"]]
807 807  
808 808  
809 809  ==== 2.3.3.12  Working MOD ====
810 810  
811 -
812 812  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
813 813  
814 814  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
... ... @@ -826,7 +826,6 @@
826 826  * 8: MOD9
827 827  
828 828  
829 -
830 830  == 2.4 Payload Decoder file ==
831 831  
832 832  
... ... @@ -837,6 +837,7 @@
837 837  [[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]]
838 838  
839 839  
793 +
840 840  == 2.5 Frequency Plans ==
841 841  
842 842  
... ... @@ -856,8 +856,6 @@
856 856  * 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]].
857 857  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
858 858  
859 -
860 -
861 861  == 3.2 General Commands ==
862 862  
863 863  
... ... @@ -879,7 +879,6 @@
879 879  
880 880  === 3.3.1 Set Transmit Interval Time ===
881 881  
882 -
883 883  Feature: Change LoRaWAN End Node Transmit Interval.
884 884  
885 885  (% style="color:blue" %)**AT Command: AT+TDC**
... ... @@ -906,10 +906,8 @@
906 906  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
907 907  
908 908  
909 -
910 910  === 3.3.2 Get Device Status ===
911 911  
912 -
913 913  Send a LoRaWAN downlink to ask the device to send its status.
914 914  
915 915  (% style="color:blue" %)**Downlink Payload:  **(%%)0x26 01
... ... @@ -919,7 +919,6 @@
919 919  
920 920  === 3.3.3 Set Interrupt Mode ===
921 921  
922 -
923 923  Feature, Set Interrupt mode for GPIO_EXIT.
924 924  
925 925  (% style="color:blue" %)**AT Command: AT+INTMOD1，AT+INTMOD2，AT+INTMOD3**
... ... @@ -957,10 +957,8 @@
957 957  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
958 958  
959 959  
960 -
961 961  === 3.3.4 Set Power Output Duration ===
962 962  
963 -
964 964  Control the output duration 5V . Before each sampling, device will
965 965  
966 966  ~1. first enable the power output to external sensor,
... ... @@ -991,10 +991,8 @@
991 991  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
992 992  
993 993  
994 -
995 995  === 3.3.5 Set Weighing parameters ===
996 996  
997 -
998 998  Feature: Working mode 5 is effective, weight initialization and weight factor setting of HX711.
999 999  
1000 1000  (% style="color:blue" %)**AT Command: AT+WEIGRE,AT+WEIGAP**
... ... @@ -1018,10 +1018,8 @@
1018 1018  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1019 1019  
1020 1020  
1021 -
1022 1022  === 3.3.6 Set Digital pulse count value ===
1023 1023  
1024 -
1025 1025  Feature: Set the pulse count value.
1026 1026  
1027 1027  Count 1 is PA8 pin of mode 6 and mode 9. Count 2 is PA4 pin of mode 9.
... ... @@ -1043,10 +1043,8 @@
1043 1043  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1044 1044  
1045 1045  
1046 -
1047 1047  === 3.3.7 Set Workmode ===
1048 1048  
1049 -
1050 1050  Feature: Switch working mode.
1051 1051  
1052 1052  (% style="color:blue" %)**AT Command: AT+MOD**
... ... @@ -1069,7 +1069,6 @@
1069 1069  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1070 1070  
1071 1071  
1072 -
1073 1073  = 4. Battery & Power Consumption =
1074 1074  
1075 1075  
... ... @@ -1096,18 +1096,13 @@
1096 1096  * (Recommanded way) OTA firmware update via wireless:   [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]
1097 1097  * Update through UART TTL interface.**[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
1098 1098  
1099 -
1100 -
1101 1101  = 6. FAQ =
1102 1102  
1103 1103  == 6.1 Where can i find source code of SN50v3-LB? ==
1104 1104  
1105 -
1106 1106  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1107 1107  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1108 1108  
1109 -
1110 -
1111 1111  = 7. Order Info =
1112 1112  
1113 1113  
... ... @@ -1131,11 +1131,8 @@
1131 1131  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1132 1132  * (% style="color:red" %)**NH**(%%): No Hole
1133 1133  
1134 -
1135 -
1136 1136  = 8. ​Packing Info =
1137 1137  
1138 -
1139 1139  (% style="color:#037691" %)**Package Includes**:
1140 1140  
1141 1141  * SN50v3-LB LoRaWAN Generic Node
... ... @@ -1147,8 +1147,6 @@
1147 1147  * Package Size / pcs : cm
1148 1148  * Weight / pcs : g
1149 1149  
1150 -
1151 -
1152 1152  = 9. Support =
1153 1153  
1154 1154  

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