Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 74.6 >
edited by Xiaoling
on 2023/09/26 08:50
To version < 50.1 >
edited by Saxer Lin
on 2023/06/10 17:00
>
Change comment: Uploaded new attachment "image-20230610170047-1.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Saxer
Content
... ... @@ -19,7 +19,7 @@
19 19  
20 20  (% style="color:blue" %)**SN50V3-LB **(%%)LoRaWAN Sensor Node is a Long Range LoRa Sensor Node. It is designed for outdoor use and powered by (% style="color:blue" %)** 8500mA Li/SOCl2 battery**(%%) for long term use.SN50V3-LB is designed to facilitate developers to quickly deploy industrial level LoRa and IoT solutions. It help users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to program, create and connect your things everywhere.
21 21  
22 -(% style="color:blue" %)**SN50V3-LB wireless part**(%%) is based on SX1262 allows the user to send data and reach extremely long ranges at low data-rates.It provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, and so on.
22 +(% style="color:blue" %)**SN50V3-LB wireless part**(%%) is based on SX1262 allows the user to send data and reach extremely long ranges at low data-rates.It provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
23 23  
24 24  (% style="color:blue" %)**SN50V3-LB **(%%)has a powerful 48Mhz ARM microcontroller with 256KB flash and 64KB RAM. It has multiplex I/O pins to connect to different sensors.
25 25  
... ... @@ -27,6 +27,7 @@
27 27  
28 28  SN50V3-LB is the 3^^rd^^ generation of LSN50 series generic sensor node from Dragino. It is an (% style="color:blue" %)**open source project**(%%) and has a mature LoRaWAN stack and application software. User can use the pre-load software for their IoT projects or easily customize the software for different requirements.
29 29  
30 +
30 30  == 1.2 ​Features ==
31 31  
32 32  
... ... @@ -40,7 +40,6 @@
40 40  * Downlink to change configure
41 41  * 8500mAh Battery for long term use
42 42  
43 -
44 44  == 1.3 Specification ==
45 45  
46 46  
... ... @@ -78,7 +78,6 @@
78 78  * Sleep Mode: 5uA @ 3.3v
79 79  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
80 80  
81 -
82 82  == 1.4 Sleep mode and working mode ==
83 83  
84 84  
... ... @@ -106,7 +106,6 @@
106 106  )))
107 107  |(% 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.
108 108  
109 -
110 110  == 1.6 BLE connection ==
111 111  
112 112  
... ... @@ -229,33 +229,33 @@
229 229  
230 230  (% style="color:#037691" %)**Frequency Band**:
231 231  
232 -0x01: EU868
230 +*0x01: EU868
233 233  
234 -0x02: US915
232 +*0x02: US915
235 235  
236 -0x03: IN865
234 +*0x03: IN865
237 237  
238 -0x04: AU915
236 +*0x04: AU915
239 239  
240 -0x05: KZ865
238 +*0x05: KZ865
241 241  
242 -0x06: RU864
240 +*0x06: RU864
243 243  
244 -0x07: AS923
242 +*0x07: AS923
245 245  
246 -0x08: AS923-1
244 +*0x08: AS923-1
247 247  
248 -0x09: AS923-2
246 +*0x09: AS923-2
249 249  
250 -0x0a: AS923-3
248 +*0x0a: AS923-3
251 251  
252 -0x0b: CN470
250 +*0x0b: CN470
253 253  
254 -0x0c: EU433
252 +*0x0c: EU433
255 255  
256 -0x0d: KR920
254 +*0x0d: KR920
257 257  
258 -0x0e: MA869
256 +*0x0e: MA869
259 259  
260 260  
261 261  (% style="color:#037691" %)**Sub-Band**:
... ... @@ -331,8 +331,9 @@
331 331  )))|(% style="width:189px" %)(((
332 332  Digital in(PB15) & Digital Interrupt(PA8)
333 333  )))|(% style="width:208px" %)(((
334 -Distance measure by: 1) LIDAR-Lite V3HP
335 -Or 2) Ultrasonic Sensor
332 +Distance measure by:1) LIDAR-Lite V3HP
333 +Or
334 +2) Ultrasonic Sensor
336 336  )))|(% style="width:117px" %)Reserved
337 337  
338 338  [[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"]]
... ... @@ -362,7 +362,8 @@
362 362  ADC(PA4)
363 363  )))|(% style="width:323px" %)(((
364 364  Distance measure by:1)TF-Mini plus LiDAR
365 -Or 2) TF-Luna LiDAR
364 +Or 
365 +2) TF-Luna LiDAR
366 366  )))|(% style="width:188px" %)Distance signal  strength
367 367  
368 368  [[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"]]
... ... @@ -379,7 +379,7 @@
379 379  
380 380  (% style="color:red" %)**Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.**
381 381  
382 -[[image:image-20230610170047-1.png||height="452" width="799"]]
382 +[[image:image-20230513105207-4.png||height="469" width="802"]]
383 383  
384 384  
385 385  ==== 2.3.2.3  MOD~=3 (3 ADC + I2C) ====
... ... @@ -469,6 +469,7 @@
469 469  [[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"]]
470 470  
471 471  
472 +
472 472  ==== 2.3.2.6  MOD~=6 (Counting Mode) ====
473 473  
474 474  
... ... @@ -581,78 +581,6 @@
581 581  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
582 582  
583 583  
584 -==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
585 -
586 -
587 -In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
588 -
589 -[[It should be noted when using PWM mode.>>||anchor="H2.3.3.12A0PWMMOD"]]
590 -
591 -
592 -===== 2.3.2.10.a  Uplink, PWM input capture =====
593 -
594 -
595 -[[image:image-20230817172209-2.png||height="439" width="683"]]
596 -
597 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
598 -|(% 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:135px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:89px" %)**2**
599 -|Value|Bat|(% style="width:191px" %)(((
600 -Temperature(DS18B20)(PC13)
601 -)))|(% style="width:78px" %)(((
602 -ADC(PA4)
603 -)))|(% style="width:135px" %)(((
604 -PWM_Setting
605 -
606 -&Digital Interrupt(PA8)
607 -)))|(% style="width:70px" %)(((
608 -Pulse period
609 -)))|(% style="width:89px" %)(((
610 -Duration of high level
611 -)))
612 -
613 -[[image:image-20230817170702-1.png||height="161" width="1044"]]
614 -
615 -
616 -When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
617 -
618 -**Frequency：**
619 -
620 -(% class="MsoNormal" %)
621 -(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=0, **(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
622 -
623 -(% class="MsoNormal" %)
624 -(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=1, **(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
625 -
626 -
627 -(% class="MsoNormal" %)
628 -**Duty cycle:**
629 -
630 -Duty cycle= Duration of high level/ Pulse period*100 ~(%).
631 -
632 -[[image:image-20230818092200-1.png||height="344" width="627"]]
633 -
634 -
635 -===== 2.3.2.10.b  Downlink, PWM output =====
636 -
637 -
638 -[[image:image-20230817173800-3.png||height="412" width="685"]]
639 -
640 -Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
641 -
642 - xx xx xx is the output frequency, the unit is HZ.
643 -
644 - yy is the duty cycle of the output, the unit is %.
645 -
646 - zz zz is the time delay of the output, the unit is ms.
647 -
648 -
649 -For example, send a downlink command: 0B 00 61 A8 32 13 88, the frequency is 25KHZ, the duty cycle is 50, and the output time is 5 seconds.
650 -
651 -The oscilloscope displays as follows:
652 -
653 -[[image:image-20230817173858-5.png||height="694" width="921"]]
654 -
655 -
656 656  === 2.3.3  ​Decode payload ===
657 657  
658 658  
... ... @@ -716,9 +716,9 @@
716 716  ==== 2.3.3.4  Analogue Digital Converter (ADC) ====
717 717  
718 718  
719 -The measuring range of the ADC is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
648 +The measuring range of the ADC is only about 0V to 1.1V The voltage resolution is about 0.24mv.
720 720  
721 -When the measured output voltage of the sensor is not within the range of 0.1V 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.
650 +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.
722 722  
723 723  [[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"]]
724 724  
... ... @@ -726,10 +726,6 @@
726 726  (% 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.**
727 727  
728 728  
729 -The position of PA5 on the hardware after **LSN50 v3.3** is changed to the position shown in the figure below, and the collected voltage becomes one-sixth of the original.
730 -
731 -[[image:image-20230811113449-1.png||height="370" width="608"]]
732 -
733 733  ==== 2.3.3.5 Digital Interrupt ====
734 734  
735 735  
... ... @@ -798,7 +798,7 @@
798 798  
799 799  Below is the connection to SHT20/ SHT31. The connection is as below:
800 800  
801 -[[image:image-20230610170152-2.png||height="501" width="846"]]
726 +[[image:image-20230513103633-3.png||height="448" width="716"]]
802 802  
803 803  
804 804  The device will be able to get the I2C sensor data now and upload to IoT Server.
... ... @@ -876,31 +876,9 @@
876 876  [[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"]]
877 877  
878 878  
879 -==== 2.3.3.12  PWM MOD ====
804 +==== 2.3.3.12  Working MOD ====
880 880  
881 881  
882 -* (((
883 -The maximum voltage that the SDA pin of SN50v3 can withstand is 3.6V, and it cannot exceed this voltage value, otherwise the chip may be burned.
884 -)))
885 -* (((
886 -If the PWM pin connected to the SDA pin cannot maintain a high level when it is not working, you need to remove the resistor R2 or replace it with a resistor with a larger resistance, otherwise a sleep current of about 360uA will be generated. The position of the resistor is shown in the figure below:
887 -)))
888 -
889 - [[image:image-20230817183249-3.png||height="320" width="417"]]
890 -
891 -* (((
892 -The signal captured by the input should preferably be processed by hardware filtering and then connected in. The software processing method is to capture four values, discard the first captured value, and then take the middle value of the second, third, and fourth captured values.
893 -)))
894 -* (((
895 -Since the device can only detect a pulse period of 50ms when [[AT+PWMSET=0>>||anchor="H3.3.8PWMsetting"]] (counting in microseconds), it is necessary to change the value of PWMSET according to the frequency of input capture.
896 -
897 -
898 -
899 -)))
900 -
901 -==== 2.3.3.13  Working MOD ====
902 -
903 -
904 904  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
905 905  
906 906  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
... ... @@ -916,9 +916,7 @@
916 916  * 6: MOD7
917 917  * 7: MOD8
918 918  * 8: MOD9
919 -* 9: MOD10
920 920  
921 -
922 922  == 2.4 Payload Decoder file ==
923 923  
924 924  
... ... @@ -948,7 +948,6 @@
948 948  * 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]].
949 949  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
950 950  
951 -
952 952  == 3.2 General Commands ==
953 953  
954 954  
... ... @@ -976,7 +976,7 @@
976 976  (% style="color:blue" %)**AT Command: AT+TDC**
977 977  
978 978  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
979 -|=(% style="width: 156px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 137px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Response**
879 +|=(% style="width: 156px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 137px;background-color:#D9E2F3" %)**Function**|=(% style="background-color:#D9E2F3" %)**Response**
980 980  |(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
981 981  30000
982 982  OK
... ... @@ -996,7 +996,6 @@
996 996  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
997 997  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
998 998  
999 -
1000 1000  === 3.3.2 Get Device Status ===
1001 1001  
1002 1002  
... ... @@ -1015,7 +1015,7 @@
1015 1015  (% style="color:blue" %)**AT Command: AT+INTMOD1，AT+INTMOD2，AT+INTMOD3**
1016 1016  
1017 1017  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1018 -|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
917 +|=(% style="width: 155px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3" %)**Response**
1019 1019  |(% style="width:154px" %)AT+INTMOD1=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
1020 1020  0
1021 1021  OK
... ... @@ -1045,7 +1045,6 @@
1045 1045  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
1046 1046  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
1047 1047  
1048 -
1049 1049  === 3.3.4 Set Power Output Duration ===
1050 1050  
1051 1051  
... ... @@ -1060,7 +1060,7 @@
1060 1060  (% style="color:blue" %)**AT Command: AT+5VT**
1061 1061  
1062 1062  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1063 -|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
961 +|=(% style="width: 155px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3" %)**Response**
1064 1064  |(% style="width:154px" %)AT+5VT=?|(% style="width:196px" %)Show 5V open time.|(% style="width:157px" %)(((
1065 1065  500(default)
1066 1066  OK
... ... @@ -1078,7 +1078,6 @@
1078 1078  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
1079 1079  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
1080 1080  
1081 -
1082 1082  === 3.3.5 Set Weighing parameters ===
1083 1083  
1084 1084  
... ... @@ -1087,7 +1087,7 @@
1087 1087  (% style="color:blue" %)**AT Command: AT+WEIGRE,AT+WEIGAP**
1088 1088  
1089 1089  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1090 -|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
987 +|=(% style="width: 155px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3" %)**Response**
1091 1091  |(% style="width:154px" %)AT+WEIGRE|(% style="width:196px" %)Weight is initialized to 0.|(% style="width:157px" %)OK
1092 1092  |(% style="width:154px" %)AT+WEIGAP=？|(% style="width:196px" %)400.0|(% style="width:157px" %)OK(default)
1093 1093  |(% style="width:154px" %)AT+WEIGAP=400.3|(% style="width:196px" %)Set the factor to 400.3.|(% style="width:157px" %)OK
... ... @@ -1104,7 +1104,6 @@
1104 1104  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1105 1105  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1106 1106  
1107 -
1108 1108  === 3.3.6 Set Digital pulse count value ===
1109 1109  
1110 1110  
... ... @@ -1115,7 +1115,7 @@
1115 1115  (% style="color:blue" %)**AT Command: AT+SETCNT**
1116 1116  
1117 1117  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1118 -|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1014 +|=(% style="width: 155px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3" %)**Response**
1119 1119  |(% style="width:154px" %)AT+SETCNT=1,100|(% style="width:196px" %)Initialize the count value 1 to 100.|(% style="width:157px" %)OK
1120 1120  |(% style="width:154px" %)AT+SETCNT=2,0|(% style="width:196px" %)Initialize the count value 2 to 0.|(% style="width:157px" %)OK
1121 1121  
... ... @@ -1128,7 +1128,6 @@
1128 1128  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1129 1129  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1130 1130  
1131 -
1132 1132  === 3.3.7 Set Workmode ===
1133 1133  
1134 1134  
... ... @@ -1137,7 +1137,7 @@
1137 1137  (% style="color:blue" %)**AT Command: AT+MOD**
1138 1138  
1139 1139  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1140 -|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1035 +|=(% style="width: 155px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3" %)**Response**
1141 1141  |(% style="width:154px" %)AT+MOD=?|(% style="width:196px" %)Get the current working mode.|(% style="width:157px" %)(((
1142 1142  OK
1143 1143  )))
... ... @@ -1153,35 +1153,6 @@
1153 1153  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1154 1154  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1155 1155  
1156 -
1157 -=== 3.3.8 PWM setting ===
1158 -
1159 -
1160 -Feature: Set the time acquisition unit for PWM input capture.
1161 -
1162 -(% style="color:blue" %)**AT Command: AT+PWMSET**
1163 -
1164 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1165 -|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1166 -|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1167 -0(default)
1168 -
1169 -OK
1170 -)))
1171 -|(% style="width:154px" %)AT+PWMSET=0|(% style="width:196px" %)The unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ.   |(% style="width:157px" %)(((
1172 -OK
1173 -
1174 -)))
1175 -|(% style="width:154px" %)AT+PWMSET=1|(% style="width:196px" %)The unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ. |(% style="width:157px" %)OK
1176 -
1177 -(% style="color:blue" %)**Downlink Command: 0x0C**
1178 -
1179 -Format: Command Code (0x0C) followed by 1 bytes.
1180 -
1181 -* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1182 -* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1183 -
1184 -
1185 1185  = 4. Battery & Power Consumption =
1186 1186  
1187 1187  
... ... @@ -1200,14 +1200,13 @@
1200 1200  * Update with new features.
1201 1201  * Fix bugs.
1202 1202  
1203 -**Firmware and changelog can be downloaded from :** **[[Firmware download link>>https://www.dropbox.com/sh/4rov7bcp6u28exp/AACt-wAySd4si5AXi8DBmvSca?dl=0]]**
1069 +**Firmware and changelog can be downloaded from :** **[[Firmware download link>>url:https://www.dropbox.com/sh/kwqv57tp6pejias/AAAopYMATh1GM6fZ-VRCLrpDa?dl=0]]**
1204 1204  
1205 1205  **Methods to Update Firmware:**
1206 1206  
1207 -* (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/]]**
1208 -* 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]]**.
1073 +* (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/]]
1074 +* 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]]**.
1209 1209  
1210 -
1211 1211  = 6. FAQ =
1212 1212  
1213 1213  == 6.1 Where can i find source code of SN50v3-LB? ==
... ... @@ -1216,23 +1216,6 @@
1216 1216  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1217 1217  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1218 1218  
1219 -
1220 -== 6.2 How to generate PWM Output in SN50v3-LB? ==
1221 -
1222 -
1223 -See this document: **[[Generate PWM Output on SN50v3>>https://www.dropbox.com/scl/fi/r3trcet2knujg40w0mgyn/Generate-PWM-Output-on-SN50v3.pdf?rlkey=rxsgmrhhrv62iiiwjq9sv10bn&dl=0]]**.
1224 -
1225 -
1226 -== 6.3 How to put several sensors to a SN50v3-LB? ==
1227 -
1228 -
1229 -When we want to put several sensors to A SN50v3-LB, the waterproof at the grand connector will become an issue. User can try to exchange the grand connector to below type.
1230 -
1231 -[[Reference Supplier>>https://www.yscableglands.com/cable-glands/nylon-cable-glands/cable-gland-rubber-seal.html]].
1232 -
1233 -[[image:image-20230810121434-1.png||height="242" width="656"]]
1234 -
1235 -
1236 1236  = 7. Order Info =
1237 1237  
1238 1238  
... ... @@ -1256,7 +1256,6 @@
1256 1256  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1257 1257  * (% style="color:red" %)**NH**(%%): No Hole
1258 1258  
1259 -
1260 1260  = 8. ​Packing Info =
1261 1261  
1262 1262  
... ... @@ -1271,7 +1271,6 @@
1271 1271  * Package Size / pcs : cm
1272 1272  * Weight / pcs : g
1273 1273  
1274 -
1275 1275  = 9. Support =
1276 1276  
1277 1277  
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