Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 43.36 >
edited by Xiaoling
on 2023/05/16 14:49
To version < 43.50 >
edited by Xiaoling
on 2023/05/16 15:50
>
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Summary

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: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:** 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.
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
... ... @@ -496,12 +496,14 @@
496 496  
497 497  [[image:image-20230513111203-7.png||height="324" width="975"]]
498 498  
514 +
499 499  ==== 2.3.2.8  MOD~=8 （3ADC+1DS18B20） ====
500 500  
501 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px %)
517 +
518 +(% 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" %)2
521 +)))|=(% 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)
... ... @@ -520,10 +520,11 @@
520 520  
521 521  ==== 2.3.2.9  MOD~=9 (3DS18B20+ two Interrupt count mode) ====
522 522  
523 -(% style="width:1010px" %)
524 -|=(((
540 +
541 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
542 +|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
525 525  **Size(bytes)**
526 -)))|=**2**|=**2**|=**2**|=**1**|=(% style="width: 193px;" %)**2**|=(% style="width: 78px;" %)4|=(% style="width: 78px;" %)4
544 +)))|=(% 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
527 527  |**Value**|BAT|(((
528 528  Temperature1(DS18B20)
529 529  (PC13)
... ... @@ -537,33 +537,32 @@
537 537  Temperature3(DS18B20)
538 538  (PB8)
539 539  )))|(% style="width:78px" %)(((
540 -Count1
541 -(PA8)
558 +Count1(PA8)
542 542  )))|(% style="width:78px" %)(((
543 -Count2
544 -(PA4)
560 +Count2(PA4)
545 545  )))
546 546  
547 547  [[image:image-20230513111255-9.png||height="341" width="899"]]
548 548  
549 -**The newly added AT command is issued correspondingly:**
565 +(% style="color:blue" %)**The newly added AT command is issued correspondingly:**
550 550  
551 -**~ 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**
552 552  
553 -**~ 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**
554 554  
555 -**~ 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**
556 556  
557 -**AT+SETCNT=aa,bb** 
558 558  
574 +(% style="color:blue" %)**AT+SETCNT=aa,bb** 
575 +
559 559  When AA is 1, set the count of PA8 pin to BB Corresponding downlink：09 01 bb bb bb bb
560 560  
561 561  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
562 562  
563 563  
564 -
565 565  === 2.3.3  ​Decode payload ===
566 566  
583 +
567 567  While using TTN V3 network, you can add the payload format to decode the payload.
568 568  
569 569  [[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"]]
... ... @@ -575,6 +575,7 @@
575 575  
576 576  ==== 2.3.3.1 Battery Info ====
577 577  
595 +
578 578  Check the battery voltage for SN50v3.
579 579  
580 580  Ex1: 0x0B45 = 2885mV
... ... @@ -584,16 +584,18 @@
584 584  
585 585  ==== 2.3.3.2  Temperature (DS18B20) ====
586 586  
605 +
587 587  If there is a DS18B20 connected to PC13 pin. The temperature will be uploaded in the payload.
588 588  
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]]
608 +More DS18B20 can check the [[3 DS18B20 mode>>||anchor="H2.3.2.4MOD3D4283xDS18B2029"]]
590 590  
591 -**Connection:**
610 +(% style="color:blue" %)**Connection:**
592 592  
593 593  [[image:image-20230512180718-8.png||height="538" width="647"]]
594 594  
595 -**Example**:
596 596  
615 +(% style="color:blue" %)**Example**:
616 +
597 597  If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
598 598  
599 599  If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
... ... @@ -603,6 +603,7 @@
603 603  
604 604  ==== 2.3.3.3 Digital Input ====
605 605  
626 +
606 606  The digital input for pin PB15,
607 607  
608 608  * When PB15 is high, the bit 1 of payload byte 6 is 1.
... ... @@ -612,11 +612,14 @@
612 612  (((
613 613  When the digital interrupt pin is set to AT+INTMODx=0, this pin is used as a digital input pin.
614 614  
615 -(% 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 +
616 616  )))
617 617  
618 618  ==== 2.3.3.4  Analogue Digital Converter (ADC) ====
619 619  
643 +
620 620  The measuring range of the ADC is only about 0V to 1.1V The voltage resolution is about 0.24mv.
621 621  
622 622  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.
... ... @@ -623,17 +623,19 @@
623 623  
624 624  [[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"]]
625 625  
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.
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.**
627 627  
628 628  
629 629  ==== 2.3.3.5 Digital Interrupt ====
630 630  
655 +
631 631  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.
632 632  
633 -(% style="color:blue" %)**~ Interrupt connection method:**
658 +(% style="color:blue" %)** Interrupt connection method:**
634 634  
635 635  [[image:image-20230513105351-5.png||height="147" width="485"]]
636 636  
662 +
637 637  (% style="color:blue" %)**Example to use with door sensor :**
638 638  
639 639  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.
... ... @@ -642,8 +642,9 @@
642 642  
643 643  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.
644 644  
645 -(% style="color:blue" %)**~ Below is the installation example:**
646 646  
672 +(% style="color:blue" %)**Below is the installation example:**
673 +
647 647  Fix one piece of the magnetic sensor to the door and connect the two pins to SN50_v3 as follows:
648 648  
649 649  * (((
... ... @@ -655,7 +655,7 @@
655 655  
656 656  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.
657 657  
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.
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.
659 659  
660 660  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.
661 661  
... ... @@ -667,12 +667,13 @@
667 667  
668 668  The command is:
669 669  
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]]**. **)
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]]**. **)
671 671  
672 672  Below shows some screen captures in TTN V3:
673 673  
674 674  [[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"]]
675 675  
703 +
676 676  In MOD=1, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below:
677 677  
678 678  door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
... ... @@ -680,6 +680,7 @@
680 680  
681 681  ==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ====
682 682  
711 +
683 683  The SDA and SCK are I2C interface lines. You can use these to connect to an I2C device and get the sensor data.
684 684  
685 685  We have made an example to show how to use the I2C interface to connect to the SHT20/ SHT31 Temperature and Humidity Sensor.
... ... @@ -708,23 +708,26 @@
708 708  
709 709  ==== 2.3.3.7  ​Distance Reading ====
710 710  
711 -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]].
712 712  
741 +Refer [[Ultrasonic Sensor section>>||anchor="H2.3.3.8UltrasonicSensor"]].
713 713  
743 +
714 714  ==== 2.3.3.8 Ultrasonic Sensor ====
715 715  
746 +
716 716  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]]
717 717  
718 718  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.
719 719  
720 -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.
721 721  
722 722  The picture below shows the connection:
723 723  
724 724  [[image:image-20230512173903-6.png||height="596" width="715"]]
725 725  
726 -Connect to the SN50_v3 and run **AT+MOD=2** to switch to ultrasonic mode (ULT).
727 727  
758 +Connect to the SN50_v3 and run (% style="color:blue" %)**AT+MOD=2**(%%) to switch to ultrasonic mode (ULT).
759 +
728 728  The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value.
729 729  
730 730  **Example:**
... ... @@ -735,11 +735,13 @@
735 735  
736 736  ==== 2.3.3.9  Battery Output - BAT pin ====
737 737  
770 +
738 738  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.
739 739  
740 740  
741 741  ==== 2.3.3.10  +5V Output ====
742 742  
776 +
743 743  SN50v3 will enable +5V output before all sampling and disable the +5v after all sampling. 
744 744  
745 745  The 5V output time can be controlled by AT Command.
... ... @@ -754,6 +754,7 @@
754 754  
755 755  ==== 2.3.3.11  BH1750 Illumination Sensor ====
756 756  
791 +
757 757  MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes.
758 758  
759 759  [[image:image-20230512172447-4.png||height="416" width="712"]]
... ... @@ -779,8 +779,6 @@
779 779  * 7: MOD8
780 780  * 8: MOD9
781 781  
782 -
783 -
784 784  == 2.4 Payload Decoder file ==
785 785  
786 786  
... ... @@ -857,8 +857,6 @@
857 857  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
858 858  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
859 859  
860 -
861 -
862 862  === 3.3.2 Get Device Status ===
863 863  
864 864  Send a LoRaWAN downlink to ask the device to send its status.
... ... @@ -906,8 +906,6 @@
906 906  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
907 907  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
908 908  
909 -
910 -
911 911  === 3.3.4 Set Power Output Duration ===
912 912  
913 913  Control the output duration 5V . Before each sampling, device will
... ... @@ -939,8 +939,6 @@
939 939  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
940 940  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
941 941  
942 -
943 -
944 944  === 3.3.5 Set Weighing parameters ===
945 945  
946 946  Feature: Working mode 5 is effective, weight initialization and weight factor setting of HX711.
... ... @@ -965,8 +965,6 @@
965 965  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
966 966  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
967 967  
968 -
969 -
970 970  === 3.3.6 Set Digital pulse count value ===
971 971  
972 972  Feature: Set the pulse count value.
... ... @@ -989,8 +989,6 @@
989 989  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
990 990  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
991 991  
992 -
993 -
994 994  === 3.3.7 Set Workmode ===
995 995  
996 996  Feature: Switch working mode.
... ... @@ -1014,8 +1014,6 @@
1014 1014  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1015 1015  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1016 1016  
1017 -
1018 -
1019 1019  = 4. Battery & Power Consumption =
1020 1020  
1021 1021  

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