Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 12.1 >
edited by Edwin Chen
on 2023/05/11 23:06
To version < 26.1 >
edited by Saxer Lin
on 2023/05/12 18:18
>
Change comment: Uploaded new attachment "image-20230512181814-9.png", version {1}

Summary

Details

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Author
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1 -XWiki.Edwin
1 +XWiki.Saxer
Content
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282 282   **AT+MOD=2  ** ~/~/ will set the SN50v3 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
283 283  
284 284  
285 -(% style="color:red" %) **Important Notice:** (%%)
285 +(% style="color:red" %) **Important Notice:**
286 286  
287 287  1. Some working modes has payload more than 12 bytes, The US915/AU915/AS923 frequency bands' definition has maximum 11 bytes in **DR0**. Server sides will see NULL payload while SN50v3 transmit in DR0 with 12 bytes payload.
288 +1. All modes share the same Payload Explanation from HERE.
289 +1. By default, the device will send an uplink message every 20 minutes.
288 288  
289 -2. All modes share the same Payload Explanation from HERE.
291 +==== 2.3.2.1  MOD~=1 (Default Mode) ====
290 290  
291 -3. By default, the device will send an uplink message every 20 minutes.
292 -
293 -
294 -=== 2.3.1  MOD~=1 (Default Mode) ===
295 -
296 296  In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2.
297 297  
298 298  |**Size(bytes)**|**2**|**2**|**2**|**1**|**2**|**2**
... ... @@ -300,8 +300,9 @@
300 300  
301 301  [[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"]]
302 302  
303 -=== 2.3.2 MOD~=2 (Distance Mode) ===
304 304  
301 +==== 2.3.2.2  MOD~=2 (Distance Mode) ====
302 +
305 305  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.
306 306  
307 307  |**Size(bytes)**|**2**|**2**|**2**|**1**|**2**|**2**
... ... @@ -351,8 +351,9 @@
351 351  
352 352  Please use firmware version > 1.6.5 when use MOD=2, in this firmware version, user can use LSn50 v1 to power the ultrasonic sensor directly and with low power consumption.
353 353  
354 -=== 2.3.3 MOD~=3 (3 ADC + I2C) ===
355 355  
353 +==== 2.3.2.3  MOD~=3 (3 ADC + I2C) ====
354 +
356 356  This mode has total 12 bytes. Include 3 x ADC + 1x I2C
357 357  
358 358  |=(((
... ... @@ -364,8 +364,9 @@
364 364  
365 365  [[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/1656377431497-975.png?rev=1.1||alt="1656377431497-975.png"]]
366 366  
367 -=== 2.3.4 MOD~=4 (3 x DS18B20) ===
368 368  
367 +==== 2.3.2.4 MOD~=4 (3 x DS18B20) ====
368 +
369 369  This mode is supported in firmware version since v1.6.1. Software set to AT+MOD=4
370 370  
371 371  Hardware connection is as below,
... ... @@ -394,8 +394,9 @@
394 394  
395 395  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656377606181-607.png?rev=1.1||alt="1656377606181-607.png"]]
396 396  
397 -=== 2.3.5 MOD~=5(Weight Measurement by HX711) ===
398 398  
398 +==== 2.3.2.5  MOD~=5(Weight Measurement by HX711) ====
399 +
399 399  This mode is supported in firmware version since v1.6.2. Please use v1.6.5 firmware version so user no need to use extra LDO for connection.
400 400  
401 401  
... ... @@ -424,8 +424,9 @@
424 424  
425 425  [[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"]]
426 426  
427 -=== 2.3.6 MOD~=6 (Counting Mode, Since firmware v1.6.5) ===
428 428  
429 +==== 2.3.2.6  MOD~=6 (Counting Mode) ====
430 +
429 429  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.
430 430  
431 431  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.
... ... @@ -441,8 +441,9 @@
441 441  
442 442  [[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"]]
443 443  
444 -=== 2.3.7  MOD~=7 Three interrupt contact modes (the hardware version needs to support three interrupt versions, Since firmware v1.8.0) ===
445 445  
447 +==== 2.3.2.7  MOD~=7 (Three interrupt contact modes) ====
448 +
446 446  [[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-20220820140109-3.png?rev=1.1||alt="image-20220820140109-3.png"]]
447 447  
448 448  |=(((
... ... @@ -452,7 +452,7 @@
452 452  Digital in(PA12)&Digital Interrupt1(PB14)
453 453  )))|Digital Interrupt2(PB15)|Digital Interrupt3(PA4)|Reserved
454 454  
455 -=== 2.3.8  MOD~=8 （3ADC+1DS18B20, Since firmware v1.8.0） ===
458 +==== 2.3.2.8  MOD~=8 （3ADC+1DS18B20） ====
456 456  
457 457  |=(((
458 458  **Size(bytes)**
... ... @@ -470,8 +470,9 @@
470 470  
471 471  [[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-20220823164903-2.png?rev=1.1||alt="image-20220823164903-2.png"]]
472 472  
473 -=== 2.3.9  MOD~=9 3DS18B20+ two Interrupt count mode (the hardware version needs to support 3 interrupt versions, Since firmware v1.8.0) ===
474 474  
477 +==== 2.3.2.9  MOD~=9 (3DS18B20+ two Interrupt count mode) ====
478 +
475 475  |=(((
476 476  **Size(bytes)**
477 477  )))|=**2**|=**2**|=**2**|=**1**|=**2**|=4|=4
... ... @@ -498,7 +498,7 @@
498 498  
499 499  **~ AT+INTMOD2**  **PB15** pin：  Corresponding downlink:**  06 00 01 xx**
500 500  
501 -**~ AT+INTMOD3**  **PA4**  pin：  Corresponding downlink:  ** 06 00 02 xx**
505 +**~ AT+INTMOD3**  **PA4**  pin：  Corresponding downlink:  ** 06 00 02 xx**
502 502  
503 503  **AT+SETCNT=aa,bb** 
504 504  
... ... @@ -506,8 +506,10 @@
506 506  
507 507  When AA is 2, set the count of PB15 pin to BB Corresponding downlink：09 02 bb bb bb bb
508 508  
509 -=== 2.3.10  ​Decode payload in The Things Network ===
510 510  
514 +
515 +=== 2.3.3  ​Decode payload ===
516 +
511 511  While using TTN V3 network, you can add the payload format to decode the payload.
512 512  
513 513  [[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"]]
... ... @@ -514,39 +514,28 @@
514 514  
515 515  The payload decoder function for TTN V3 are here:
516 516  
517 -LSN50 TTN V3 Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
523 +SN50v3 TTN V3 Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
518 518  
519 519  
520 -Sensor Data is uplink via FPORT=2
526 +==== 2.3.3.1 Battery Info ====
521 521  
522 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
523 -|=(% style="width: 90px;background-color:#D9E2F3" %)(((
524 -**Size(bytes)**
525 -)))|=(% style="width: 80px;background-color:#D9E2F3" %)2|=(% style="width: 90px;background-color:#D9E2F3" %)4|=(% style="width:80px;background-color:#D9E2F3" %)1|=(% style="width: 80px;background-color:#D9E2F3" %)**2**|=(% style="width: 80px;background-color:#D9E2F3" %)2
526 -|(% style="width:99px" %)**Value**|(% style="width:69px" %)(((
527 -[[Battery>>||anchor="HBattery:"]]
528 -)))|(% style="width:130px" %)(((
529 -[[Unix TimeStamp>>||anchor="H2.5.2UnixTimeStamp"]]
530 -)))|(% style="width:91px" %)(((
531 -[[Alarm Flag>>||anchor="HAlarmFlag26MOD:"]]
532 -)))|(% style="width:103px" %)(((
533 -[[Temperature>>||anchor="HTemperature:"]]
534 -)))|(% style="width:80px" %)(((
535 -[[Humidity>>||anchor="HHumidity:"]]
536 -)))
528 +Check the battery voltage for SN50v3.
537 537  
538 -==== (% style="color:#4472c4" %)**Battery**(%%) ====
539 -
540 -Sensor Battery Level.
541 -
542 542  Ex1: 0x0B45 = 2885mV
543 543  
544 544  Ex2: 0x0B49 = 2889mV
545 545  
546 546  
535 +==== 2.3.3.2  Temperature (DS18B20) ====
547 547  
548 -==== (% style="color:#4472c4" %)**Temperature**(%%) ====
537 +If there is a DS18B20 connected to PB3 pin. The temperature will be uploaded in the payload.
549 549  
539 +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]]
540 +
541 +**Connection:**
542 +
543 +[[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/1656378573379-646.png?rev=1.1||alt="1656378573379-646.png"]]
544 +
550 550  **Example**:
551 551  
552 552  If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
... ... @@ -556,195 +556,247 @@
556 556  （FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
557 557  
558 558  
559 -==== (% style="color:#4472c4" %)**Humidity**(%%) ====
554 +==== 2.3.3.3 Digital Input ====
560 560  
556 +The digital input for pin PA12,
561 561  
562 -Read:0x(0197)=412    Value:  412 / 10=41.2, So 41.2%
558 +* When PA12 is high, the bit 1 of payload byte 6 is 1.
559 +* When PA12 is low, the bit 1 of payload byte 6 is 0.
563 563  
561 +==== 2.3.3.4  Analogue Digital Converter (ADC) ====
564 564  
565 -==== (% style="color:#4472c4" %)**Alarm Flag& MOD**(%%) ====
563 +The ADC pins in LSN50 can measure range from 0~~Vbat, it use reference voltage from . If user need to measure a voltage > VBat, please use resistors to divide this voltage to lower than VBat, otherwise, it may destroy the ADC pin.
566 566  
565 +Note: minimum VBat is 2.5v, when batrrey lower than this value. Device won't be able to send LoRa Uplink.
567 567  
568 -**Example:**
567 +The ADC monitors the voltage on the PA0 line, in mV.
569 569  
570 -If payload & 0x01 = 0x01  **~-~->** This is an Alarm Message
569 +Ex: 0x021F = 543mv,
571 571  
572 -If payload & 0x01 = 0x00  **~-~->** This is a normal uplink message, no alarm
571 +**~ Example1:**  Reading an Oil Sensor (Read a resistance value):
573 573  
574 -If payload >> 2 = 0x00  **~-~->**  means MOD=1, This is a sampling uplink message
575 575  
576 -If payload >> 2 = 0x31  **~-~->**  means MOD=31, this message is a reply message for polling, this message contains the alarm settings. see [[this link>>path:#HPolltheAlarmsettings:]] for detail. 
574 +[[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-20220627172409-28.png?rev=1.1||alt="image-20220627172409-28.png"]]
577 577  
576 +In the LSN50, we can use PB4 and PA0 pin to calculate the resistance for the oil sensor.
577 +
578 578  
579 -== 2.4 Payload Decoder file ==
579 +**Steps:**
580 580  
581 +1. Solder a 10K resistor between PA0 and VCC.
582 +1. Screw oil sensor's two pins to PA0 and PB4.
581 581  
582 -In TTN, use can add a custom payload so it shows friendly reading
584 +The equipment circuit is as below:
583 583  
584 -In the page (% style="color:#037691" %)**Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder**(%%) to add the decoder from:
586 +[[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-20220627172500-29.png?rev=1.1||alt="image-20220627172500-29.png"]]
585 585  
586 -[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B >>https://github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B]]
588 +According to above diagram:
587 587  
590 +[[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-20220628091043-4.png?rev=1.1||alt="image-20220628091043-4.png"]]
588 588  
589 -== 2.5 Datalog Feature ==
592 +So
590 590  
594 +[[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-20220628091344-6.png?rev=1.1||alt="image-20220628091344-6.png"]]
591 591  
592 -Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, S31x-LB will store the reading for future retrieving purposes.
596 +[[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-20220628091621-8.png?rev=1.1||alt="image-20220628091621-8.png"]] is the reading of ADC. So if ADC=0x05DC=0.9 v and VCC (BAT) is 2.9v
593 593  
598 +The [[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-20220628091702-9.png?rev=1.1||alt="image-20220628091702-9.png"]] 4.5K ohm
594 594  
595 -=== 2.5.1 Ways to get datalog via LoRaWAN ===
600 +Since the Bouy is linear resistance from 10 ~~ 70cm.
596 596  
602 +The position of Bouy is [[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-20220628091824-10.png?rev=1.1||alt="image-20220628091824-10.png"]] , from the bottom of Bouy.
597 597  
598 -Set [[PNACKMD=1>>||anchor="H2.5.4DatalogUplinkpayloadA028FPORT3D329"]], S31x-LB will wait for ACK for every uplink, when there is no LoRaWAN network,S31x-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
599 599  
600 -* a) S31x-LB will do an ACK check for data records sending to make sure every data arrive server.
601 -* b) S31x-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but S31x-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if S31x-LB gets a ACK, S31x-LB will consider there is a network connection and resend all NONE-ACK messages.
605 +==== 2.3.3.5 Digital Interrupt ====
602 602  
603 -Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
607 +Digital Interrupt refers to pin PB14, and there are different trigger methods. When there is a trigger, the SN50v3 will send a packet to the server.
604 604  
605 -[[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-20220703111700-2.png?width=1119&height=381&rev=1.1||alt="图片-20220703111700-2.png" height="381" width="1119"]]
609 +**~ Interrupt connection method:**
606 606  
607 -=== 2.5.2 Unix TimeStamp ===
611 +[[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/1656379178634-321.png?rev=1.1||alt="1656379178634-321.png"]]
608 608  
613 +**Example to use with door sensor :**
609 609  
610 -S31x-LB uses Unix TimeStamp format based on
615 +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.
611 611  
612 -[[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-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]]
617 +[[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/1656379210849-860.png?rev=1.1||alt="1656379210849-860.png"]]
613 613  
614 -User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
619 +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 LSN50 interrupt interface to detect the status for the door or window.
615 615  
616 -Below is the converter example
621 +**~ Below is the installation example:**
617 617  
618 -[[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-20220523001219-12.png?width=720&height=298&rev=1.1||alt="图片-20220523001219-12.png" height="298" width="720"]]
623 +Fix one piece of the magnetic sensor to the door and connect the two pins to LSN50 as follows:
619 619  
620 -So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
625 +* (((
626 +One pin to LSN50's PB14 pin
627 +)))
628 +* (((
629 +The other pin to LSN50's VCC pin
630 +)))
621 621  
632 +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 PB14 will be at the VCC voltage.
622 622  
623 -=== 2.5.3 Set Device Time ===
634 +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.
624 624  
636 +When door sensor is shorted, there will extra power consumption in the circuit, the extra current is 3v3/R14 = 3v2/1Mohm = 0.3uA which can be ignored.
625 625  
626 -User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
638 +[[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/1656379283019-229.png?rev=1.1||alt="1656379283019-229.png"]]
627 627  
628 -Once S31x-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to S31x-LB. If S31x-LB fails to get the time from the server, S31x-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
640 +The above photos shows the two parts of the magnetic switch fitted to a door.
629 629  
630 -(% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
642 +The software by default uses the falling edge on the signal line as an interrupt. We need to modify it to accept both the rising edge (0v ~-~-> VCC , door close) and the falling edge (VCC ~-~-> 0v , door open) as the interrupt.
631 631  
644 +The command is:
632 632  
633 -=== 2.5.4 Datalog Uplink payload (FPORT~=3) ===
646 +**AT+INTMOD=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]]**. **)
634 634  
648 +Below shows some screen captures in TTN V3:
635 635  
636 -The Datalog uplinks will use below payload format.
650 +[[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"]]
637 637  
638 -**Retrieval data payload:**
652 +In MOD=1, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below:
639 639  
640 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
641 -|=(% style="width: 80px;background-color:#D9E2F3" %)(((
642 -**Size(bytes)**
643 -)))|=(% style="width: 60px; background-color: rgb(217, 226, 243);" %)**2**|=(% style="width: 60px; background-color: rgb(217, 226, 243);" %)**2**|=(% style="width: 120px; background-color: rgb(217, 226, 243);" %)**2**|=(% style="width: 103px; background-color: rgb(217, 226, 243);" %)**1**|=(% style="width: 85px; background-color: rgb(217, 226, 243);" %)**4**
644 -|(% style="width:103px" %)**Value**|(% style="width:54px" %)(((
645 -[[Temp_Black>>||anchor="HTemperatureBlack:"]]
646 -)))|(% style="width:51px" %)[[Temp_White>>||anchor="HTemperatureWhite:"]]|(% style="width:89px" %)[[Temp_ Red or Temp _White>>||anchor="HTemperatureREDorTemperatureWhite:"]]|(% style="width:103px" %)Poll message flag & Ext|(% style="width:54px" %)[[Unix Time Stamp>>||anchor="H2.5.2UnixTimeStamp"]]
654 +door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
647 647  
648 -**Poll message flag & Ext:**
656 +**Notice for hardware version LSN50 v1 < v1.3** (produced before 2018-Nov).
649 649  
650 -[[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-20221006192726-1.png?width=754&height=112&rev=1.1||alt="图片-20221006192726-1.png" height="112" width="754"]]
658 +In this hardware version, there is no R14 resistance solder. When use the latest firmware, it should set AT+INTMOD=0 to close the interrupt. If user need to use Interrupt in this hardware version, user need to solder R14 with 10M resistor and C1 (0.1uF) on board.
651 651  
652 -**No ACK Message**:  1: This message means this payload is fromn Uplink Message which doesn't get ACK from the server before ( for **PNACKMD=1** feature)
660 +[[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/1656379563303-771.png?rev=1.1||alt="1656379563303-771.png"]]
653 653  
654 -**Poll Message Flag**: 1: This message is a poll message reply.
655 655  
656 -* Poll Message Flag is set to 1.
663 +==== 2.3.3.6 I2C Interface (SHT20) ====
657 657  
658 -* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
665 +The PB6(SDA) and PB7(SCK) are I2C interface lines. You can use these to connect to an I2C device and get the sensor data.
659 659  
660 -For example, in US915 band, the max payload for different DR is:
667 +We have made an example to show how to use the I2C interface to connect to the SHT20 Temperature and Humidity Sensor. This is supported in the stock firmware since v1.5 with **AT+MOD=1 (default value).**
661 661  
662 -**a) DR0:** max is 11 bytes so one entry of data
669 +Notice: Different I2C sensors have different I2C commands set and initiate process, if user want to use other I2C sensors, User need to re-write the source code to support those sensors. SHT20 code in LSN50 will be a good reference.
663 663  
664 -**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
671 +Below is the connection to SHT20/ SHT31. The connection is as below:
665 665  
666 -**c) DR2:** total payload includes 11 entries of data
673 +[[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-20220902163605-2.png?rev=1.1||alt="image-20220902163605-2.png"]]
667 667  
668 -**d) DR3: **total payload includes 22 entries of data.
675 +The device will be able to get the I2C sensor data now and upload to IoT Server.
669 669  
670 -If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0   
677 +[[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/1656379664142-345.png?rev=1.1||alt="1656379664142-345.png"]]
671 671  
679 +Convert the read byte to decimal and divide it by ten.
672 672  
673 673  **Example:**
674 674  
675 -If S31x-LB has below data inside Flash:
683 +Temperature:  Read:0116(H) = 278(D)  Value:  278 /10=27.8℃;
676 676  
677 -[[image:1682646494051-944.png]]
685 +Humidity:    Read:0248(H)=584(D)  Value:  584 / 10=58.4, So 58.4%
678 678  
679 -If user sends below downlink command: 3160065F9760066DA705
687 +If you want to use other I2C device, please refer the SHT20 part source code as reference.
680 680  
681 -Where : Start time: 60065F97 = time 21/1/19 04:27:03
682 682  
683 - Stop time: 60066DA7= time 21/1/19 05:27:03
690 +==== 2.3.3.7  ​Distance Reading ====
684 684  
692 +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]].
685 685  
686 -**S31x-LB will uplink this payload.**
687 687  
688 -[[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-20220523001219-13.png?width=727&height=421&rev=1.1||alt="图片-20220523001219-13.png" height="421" width="727"]]
695 +==== 2.3.3.8 Ultrasonic Sensor ====
689 689  
690 -(((
691 -__**7FFF089801464160065F97**__ **__7FFF__ __088E__ __014B__ __41__ __60066009__** 7FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
692 -)))
697 +The LSN50 v1.5 firmware supports ultrasonic sensor (with AT+MOD=2) such as SEN0208 from DF-Robot. 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]]
693 693  
694 -(((
695 -Where the first 11 bytes is for the first entry:
696 -)))
699 +The LSN50 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.
697 697  
698 -(((
699 -7FFF089801464160065F97
700 -)))
701 +The picture below shows the connection:
701 701  
702 -(((
703 -**Ext sensor data**=0x7FFF/100=327.67
704 -)))
703 +[[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/1656380061365-178.png?rev=1.1||alt="1656380061365-178.png"]]
705 705  
706 -(((
707 -**Temp**=0x088E/100=22.00
708 -)))
705 +Connect to the LSN50 and run **AT+MOD=2** to switch to ultrasonic mode (ULT).
709 709  
710 -(((
711 -**Hum**=0x014B/10=32.6
712 -)))
707 +The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value.
713 713  
714 -(((
715 -**poll message flag & Ext**=0x41,means reply data,Ext=1
716 -)))
709 +**Example:**
717 717  
718 -(((
719 -**Unix time** is 0x60066009=1611030423s=21/1/19 04:27:03
720 -)))
711 +Distance:  Read: 0C2D(Hex) = 3117(D)  Value:  3117 mm=311.7 cm
721 721  
713 +[[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/1656384895430-327.png?rev=1.1||alt="1656384895430-327.png"]]
722 722  
723 -(% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||alt="数据 URI 图片" data-widget="image" draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||alt="数据 URI 图片" draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="单击并拖动以调整大小" %)的(% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||alt="数据 URI 图片" data-widget="image" draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||alt="数据 URI 图片" draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="单击并拖动以调整大小" %)的
715 +[[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/1656384913616-455.png?rev=1.1||alt="1656384913616-455.png"]]
724 724  
725 -== 2.6 Temperature Alarm Feature ==
717 +You can see the serial output in ULT mode as below:
726 726  
719 +[[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/1656384939855-223.png?rev=1.1||alt="1656384939855-223.png"]]
727 727  
728 -S31x-LB work flow with Alarm feature.
721 +**In TTN V3 server:**
729 729  
723 +[[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/1656384961830-307.png?rev=1.1||alt="1656384961830-307.png"]]
730 730  
731 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-D20-D22-D23%20LoRaWAN%20Temperature%20Sensor%20User%20Manual/WebHome/image-20220623090437-1.png?rev=1.1||alt="图片-20220623090437-1.png"]]
725 +[[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/1656384973646-598.png?rev=1.1||alt="1656384973646-598.png"]]
732 732  
727 +==== 2.3.3.9  Battery Output - BAT pin ====
733 733  
734 -== 2.7 Frequency Plans ==
729 +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.
735 735  
736 736  
737 -The S31x-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
732 +==== 2.3.3.10  +5V Output ====
738 738  
734 +SN50v3 will enable +5V output before all sampling and disable the +5v after all sampling. 
735 +
736 +The 5V output time can be controlled by AT Command.
737 +
738 +**AT+5VT=1000**
739 +
740 +Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.
741 +
742 +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.
743 +
744 +
745 +
746 +==== 2.3.3.11  BH1750 Illumination Sensor ====
747 +
748 +MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes.
749 +
750 +[[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-20220628110012-11.jpeg?rev=1.1||alt="image-20220628110012-11.jpeg"]]
751 +
752 +[[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"]]
753 +
754 +
755 +==== 2.3.3.12  Working MOD ====
756 +
757 +The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
758 +
759 +User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
760 +
761 +Case 7^^th^^ Byte >> 2 & 0x1f:
762 +
763 +* 0: MOD1
764 +* 1: MOD2
765 +* 2: MOD3
766 +* 3: MOD4
767 +* 4: MOD5
768 +* 5: MOD6
769 +
770 +== 2.4 Payload Decoder file ==
771 +
772 +
773 +In TTN, use can add a custom payload so it shows friendly reading
774 +
775 +In the page (% style="color:#037691" %)**Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder**(%%) to add the decoder from:
776 +
777 +[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B >>https://github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B]]
778 +
779 +
780 +
781 +== 2.5 Frequency Plans ==
782 +
783 +
784 +The SN50v3-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
785 +
739 739  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
740 740  
741 741  
742 -= 3. Configure S31x-LB =
789 += 3. Configure SN50v3-LB =
743 743  
744 744  == 3.1 Configure Methods ==
745 745  
746 746  
747 -S31x-LB supports below configure method:
794 +SN50v3-LB supports below configure method:
748 748  
749 749  * AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
750 750  * 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]].
... ... @@ -763,7 +763,7 @@
763 763  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
764 764  
765 765  
766 -== 3.3 Commands special design for S31x-LB ==
813 +== 3.3 Commands special design for SN50v3-LB ==
767 767  
768 768  
769 769  These commands only valid for S31x-LB, as below:
... ... @@ -799,7 +799,6 @@
799 799  
800 800  === 3.3.2 Get Device Status ===
801 801  
802 -
803 803  Send a LoRaWAN downlink to ask device send Alarm settings.
804 804  
805 805  (% style="color:blue" %)**Downlink Payload:  **(%%)0x26 01
... ... @@ -807,77 +807,6 @@
807 807  Sensor will upload Device Status via FPORT=5. See payload section for detail.
808 808  
809 809  
810 -=== 3.3.3 Set Temperature Alarm Threshold ===
811 -
812 -* (% style="color:blue" %)**AT Command:**
813 -
814 -(% style="color:#037691" %)**AT+SHTEMP=min,max**
815 -
816 -* When min=0, and max≠0, Alarm higher than max
817 -* When min≠0, and max=0, Alarm lower than min
818 -* When min≠0 and max≠0, Alarm higher than max or lower than min
819 -
820 -Example:
821 -
822 - AT+SHTEMP=0,30   ~/~/ Alarm when temperature higher than 30.
823 -
824 -* (% style="color:blue" %)**Downlink Payload:**
825 -
826 -(% style="color:#037691" %)**0x(0C 01 00 1E)**  (%%) ~/~/ Set AT+SHTEMP=0,30
827 -
828 -(% style="color:red" %)**(note: 3^^rd^^ byte= 0x00 for low limit(not set), 4^^th^^ byte = 0x1E for high limit: 30)**
829 -
830 -
831 -=== 3.3.4 Set Humidity Alarm Threshold ===
832 -
833 -* (% style="color:blue" %)**AT Command:**
834 -
835 -(% style="color:#037691" %)**AT+SHHUM=min,max**
836 -
837 -* When min=0, and max≠0, Alarm higher than max
838 -* When min≠0, and max=0, Alarm lower than min
839 -* When min≠0 and max≠0, Alarm higher than max or lower than min
840 -
841 -Example:
842 -
843 - AT+SHHUM=70,0  ~/~/ Alarm when humidity lower than 70%.
844 -
845 -* (% style="color:blue" %)**Downlink Payload:**
846 -
847 -(% style="color:#037691" %)**0x(0C 02 46 00)**(%%)  ~/~/ Set AT+SHTHUM=70,0
848 -
849 -(% style="color:red" %)**(note: 3^^rd^^ byte= 0x46 for low limit (70%), 4^^th^^ byte = 0x00 for high limit (not set))**
850 -
851 -
852 -=== 3.3.5 Set Alarm Interval ===
853 -
854 -The shortest time of two Alarm packet. (unit: min)
855 -
856 -* (% style="color:blue" %)**AT Command:**
857 -
858 -(% style="color:#037691" %)**AT+ATDC=30** (%%) ~/~/ The shortest interval of two Alarm packets is 30 minutes, Means is there is an alarm packet uplink, there won't be another one in the next 30 minutes.
859 -
860 -* (% style="color:blue" %)**Downlink Payload:**
861 -
862 -(% style="color:#037691" %)**0x(0D 00 1E)**(%%)     **~-~--> ** Set AT+ATDC=0x 00 1E = 30 minutes
863 -
864 -
865 -=== 3.3.6 Get Alarm settings ===
866 -
867 -
868 -Send a LoRaWAN downlink to ask device send Alarm settings.
869 -
870 -* (% style="color:#037691" %)**Downlink Payload:  **(%%)0x0E 01
871 -
872 -**Example:**
873 -
874 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-D20-D22-D23%20LoRaWAN%20Temperature%20Sensor%20User%20Manual/WebHome/1655948182791-225.png?rev=1.1||alt="1655948182791-225.png"]]
875 -
876 -
877 -**Explain:**
878 -
879 -* Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message.
880 -
881 881  === 3.3.7 Set Interrupt Mode ===
882 882  
883 883  
... ... @@ -937,8 +937,13 @@
937 937  
938 938  = 6. FAQ =
939 939  
915 +== 6.1 Where can i find source code of SN50v3-LB? ==
940 940  
917 +* **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
918 +* **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
941 941  
920 +
921 +
942 942  = 7. Order Info =
943 943  
944 944  
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