Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 73.1 >
edited by Saxer Lin
on 2023/08/18 09:50
To version < 48.1 >
edited by Saxer Lin
on 2023/06/10 16:32
>
Change comment: Uploaded new attachment "image-20230610163213-1.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -41,6 +41,7 @@
41 41  * Downlink to change configure
42 42  * 8500mAh Battery for long term use
43 43  
44 +
44 44  == 1.3 Specification ==
45 45  
46 46  
... ... @@ -78,6 +78,7 @@
78 78  * Sleep Mode: 5uA @ 3.3v
79 79  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
80 80  
82 +
81 81  == 1.4 Sleep mode and working mode ==
82 82  
83 83  
... ... @@ -105,6 +105,7 @@
105 105  )))
106 106  |(% 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.
107 107  
110 +
108 108  == 1.6 BLE connection ==
109 109  
110 110  
... ... @@ -123,7 +123,7 @@
123 123  == 1.7 Pin Definitions ==
124 124  
125 125  
126 -[[image:image-20230610163213-1.png||height="404" width="699"]]
129 +[[image:image-20230610162852-1.png||height="466" width="802"]]
127 127  
128 128  
129 129  == 1.8 Mechanical ==
... ... @@ -227,33 +227,33 @@
227 227  
228 228  (% style="color:#037691" %)**Frequency Band**:
229 229  
230 -0x01: EU868
233 +*0x01: EU868
231 231  
232 -0x02: US915
235 +*0x02: US915
233 233  
234 -0x03: IN865
237 +*0x03: IN865
235 235  
236 -0x04: AU915
239 +*0x04: AU915
237 237  
238 -0x05: KZ865
241 +*0x05: KZ865
239 239  
240 -0x06: RU864
243 +*0x06: RU864
241 241  
242 -0x07: AS923
245 +*0x07: AS923
243 243  
244 -0x08: AS923-1
247 +*0x08: AS923-1
245 245  
246 -0x09: AS923-2
249 +*0x09: AS923-2
247 247  
248 -0x0a: AS923-3
251 +*0x0a: AS923-3
249 249  
250 -0x0b: CN470
253 +*0x0b: CN470
251 251  
252 -0x0c: EU433
255 +*0x0c: EU433
253 253  
254 -0x0d: KR920
257 +*0x0d: KR920
255 255  
256 -0x0e: MA869
259 +*0x0e: MA869
257 257  
258 258  
259 259  (% style="color:#037691" %)**Sub-Band**:
... ... @@ -329,8 +329,9 @@
329 329  )))|(% style="width:189px" %)(((
330 330  Digital in(PB15) & Digital Interrupt(PA8)
331 331  )))|(% style="width:208px" %)(((
332 -Distance measure by: 1) LIDAR-Lite V3HP
333 -Or 2) Ultrasonic Sensor
335 +Distance measure by:1) LIDAR-Lite V3HP
336 +Or
337 +2) Ultrasonic Sensor
334 334  )))|(% style="width:117px" %)Reserved
335 335  
336 336  [[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"]]
... ... @@ -360,7 +360,8 @@
360 360  ADC(PA4)
361 361  )))|(% style="width:323px" %)(((
362 362  Distance measure by:1)TF-Mini plus LiDAR
363 -Or 2) TF-Luna LiDAR
367 +Or 
368 +2) TF-Luna LiDAR
364 364  )))|(% style="width:188px" %)Distance signal  strength
365 365  
366 366  [[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"]]
... ... @@ -377,7 +377,7 @@
377 377  
378 378  (% style="color:red" %)**Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.**
379 379  
380 -[[image:image-20230610170047-1.png||height="452" width="799"]]
385 +[[image:image-20230513105207-4.png||height="469" width="802"]]
381 381  
382 382  
383 383  ==== 2.3.2.3  MOD~=3 (3 ADC + I2C) ====
... ... @@ -467,6 +467,7 @@
467 467  [[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"]]
468 468  
469 469  
475 +
470 470  ==== 2.3.2.6  MOD~=6 (Counting Mode) ====
471 471  
472 472  
... ... @@ -579,93 +579,6 @@
579 579  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
580 580  
581 581  
582 -==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
583 -
584 -In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
585 -
586 -[[It should be noted when using PWM mode.>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/#H2.3.3.12A0PWMMOD]]
587 -
588 -
589 -===== 2.3.2.10.a  Uplink, PWM input capture =====
590 -
591 -[[image:image-20230817172209-2.png||height="439" width="683"]]
592 -
593 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
594 -|(% 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**
595 -|Value|Bat|(% style="width:191px" %)(((
596 -Temperature(DS18B20)(PC13)
597 -)))|(% style="width:78px" %)(((
598 -ADC(PA4)
599 -)))|(% style="width:135px" %)(((
600 -PWM_Setting
601 -
602 -&Digital Interrupt(PA8)
603 -)))|(% style="width:70px" %)(((
604 -Pulse period
605 -)))|(% style="width:89px" %)(((
606 -Duration of high level
607 -)))
608 -
609 -[[image:image-20230817170702-1.png||height="161" width="1044"]]
610 -
611 -
612 -When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
613 -
614 -Frequency：
615 -
616 -(% class="MsoNormal" %)
617 -(% 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 ,**
618 -
619 -(((
620 -
621 -
622 -(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
623 -)))
624 -
625 -(% class="MsoNormal" %)
626 -(% 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 ,**
627 -
628 -(((
629 -
630 -
631 -(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
632 -)))
633 -
634 -(% class="MsoNormal" %)
635 -Duty cycle:
636 -
637 -Duty cycle= Duration of high level/ Pulse period*100 ~(%).
638 -
639 -
640 -
641 -(((
642 -
643 -)))
644 -
645 -
646 -[[image:image-20230818092200-1.png||height="344" width="627"]]
647 -
648 -
649 -===== 2.3.2.10.b  Downlink, PWM output =====
650 -
651 -[[image:image-20230817173800-3.png||height="412" width="685"]]
652 -
653 -Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
654 -
655 - xx xx xx is the output frequency, the unit is HZ.
656 -
657 - yy is the duty cycle of the output, the unit is %.
658 -
659 - zz zz is the time delay of the output, the unit is ms.
660 -
661 -
662 -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.
663 -
664 -The oscilloscope displays as follows:
665 -
666 -[[image:image-20230817173858-5.png||height="694" width="921"]]
667 -
668 -
669 669  === 2.3.3  ​Decode payload ===
670 670  
671 671  
... ... @@ -729,9 +729,9 @@
729 729  ==== 2.3.3.4  Analogue Digital Converter (ADC) ====
730 730  
731 731  
732 -The measuring range of the ADC is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
651 +The measuring range of the ADC is only about 0V to 1.1V The voltage resolution is about 0.24mv.
733 733  
734 -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.
653 +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.
735 735  
736 736  [[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"]]
737 737  
... ... @@ -739,10 +739,6 @@
739 739  (% 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.**
740 740  
741 741  
742 -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.
743 -
744 -[[image:image-20230811113449-1.png||height="370" width="608"]]
745 -
746 746  ==== 2.3.3.5 Digital Interrupt ====
747 747  
748 748  
... ... @@ -811,7 +811,7 @@
811 811  
812 812  Below is the connection to SHT20/ SHT31. The connection is as below:
813 813  
814 -[[image:image-20230610170152-2.png||height="501" width="846"]]
729 +[[image:image-20230513103633-3.png||height="448" width="716"]]
815 815  
816 816  
817 817  The device will be able to get the I2C sensor data now and upload to IoT Server.
... ... @@ -889,30 +889,9 @@
889 889  [[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"]]
890 890  
891 891  
892 -==== 2.3.3.12  PWM MOD ====
807 +==== 2.3.3.12  Working MOD ====
893 893  
894 894  
895 -* (((
896 -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.
897 -)))
898 -* (((
899 -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:
900 -)))
901 -
902 - [[image:image-20230817183249-3.png||height="320" width="417"]]
903 -
904 -* (((
905 -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.
906 -)))
907 -* (((
908 -Since the device can only detect a pulse period of 50ms when [[AT+PWMSET=0>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/#H3.3.8PWMsetting]] (counting in microseconds), it is necessary to change the value of PWMSET according to the frequency of input capture.
909 -
910 -
911 -)))
912 -
913 -==== 2.3.3.13  Working MOD ====
914 -
915 -
916 916  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
917 917  
918 918  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
... ... @@ -928,8 +928,8 @@
928 928  * 6: MOD7
929 929  * 7: MOD8
930 930  * 8: MOD9
931 -* 9: MOD10
932 932  
826 +
933 933  == 2.4 Payload Decoder file ==
934 934  
935 935  
... ... @@ -959,6 +959,7 @@
959 959  * 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]].
960 960  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
961 961  
856 +
962 962  == 3.2 General Commands ==
963 963  
964 964  
... ... @@ -986,7 +986,7 @@
986 986  (% style="color:blue" %)**AT Command: AT+TDC**
987 987  
988 988  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
989 -|=(% 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**
884 +|=(% style="width: 156px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 137px;background-color:#D9E2F3" %)**Function**|=(% style="background-color:#D9E2F3" %)**Response**
990 990  |(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
991 991  30000
992 992  OK
... ... @@ -1006,6 +1006,7 @@
1006 1006  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
1007 1007  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
1008 1008  
904 +
1009 1009  === 3.3.2 Get Device Status ===
1010 1010  
1011 1011  
... ... @@ -1024,7 +1024,7 @@
1024 1024  (% style="color:blue" %)**AT Command: AT+INTMOD1，AT+INTMOD2，AT+INTMOD3**
1025 1025  
1026 1026  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1027 -|=(% 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**
923 +|=(% style="width: 155px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3" %)**Response**
1028 1028  |(% style="width:154px" %)AT+INTMOD1=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
1029 1029  0
1030 1030  OK
... ... @@ -1054,6 +1054,7 @@
1054 1054  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
1055 1055  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
1056 1056  
953 +
1057 1057  === 3.3.4 Set Power Output Duration ===
1058 1058  
1059 1059  
... ... @@ -1068,7 +1068,7 @@
1068 1068  (% style="color:blue" %)**AT Command: AT+5VT**
1069 1069  
1070 1070  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1071 -|=(% 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**
968 +|=(% style="width: 155px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3" %)**Response**
1072 1072  |(% style="width:154px" %)AT+5VT=?|(% style="width:196px" %)Show 5V open time.|(% style="width:157px" %)(((
1073 1073  500(default)
1074 1074  OK
... ... @@ -1086,6 +1086,7 @@
1086 1086  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
1087 1087  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
1088 1088  
986 +
1089 1089  === 3.3.5 Set Weighing parameters ===
1090 1090  
1091 1091  
... ... @@ -1094,7 +1094,7 @@
1094 1094  (% style="color:blue" %)**AT Command: AT+WEIGRE,AT+WEIGAP**
1095 1095  
1096 1096  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1097 -|=(% 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**
995 +|=(% style="width: 155px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3" %)**Response**
1098 1098  |(% style="width:154px" %)AT+WEIGRE|(% style="width:196px" %)Weight is initialized to 0.|(% style="width:157px" %)OK
1099 1099  |(% style="width:154px" %)AT+WEIGAP=？|(% style="width:196px" %)400.0|(% style="width:157px" %)OK(default)
1100 1100  |(% style="width:154px" %)AT+WEIGAP=400.3|(% style="width:196px" %)Set the factor to 400.3.|(% style="width:157px" %)OK
... ... @@ -1111,6 +1111,7 @@
1111 1111  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1112 1112  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1113 1113  
1012 +
1114 1114  === 3.3.6 Set Digital pulse count value ===
1115 1115  
1116 1116  
... ... @@ -1121,7 +1121,7 @@
1121 1121  (% style="color:blue" %)**AT Command: AT+SETCNT**
1122 1122  
1123 1123  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1124 -|=(% 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**
1023 +|=(% style="width: 155px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3" %)**Response**
1125 1125  |(% style="width:154px" %)AT+SETCNT=1,100|(% style="width:196px" %)Initialize the count value 1 to 100.|(% style="width:157px" %)OK
1126 1126  |(% style="width:154px" %)AT+SETCNT=2,0|(% style="width:196px" %)Initialize the count value 2 to 0.|(% style="width:157px" %)OK
1127 1127  
... ... @@ -1134,6 +1134,7 @@
1134 1134  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1135 1135  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1136 1136  
1036 +
1137 1137  === 3.3.7 Set Workmode ===
1138 1138  
1139 1139  
... ... @@ -1142,7 +1142,7 @@
1142 1142  (% style="color:blue" %)**AT Command: AT+MOD**
1143 1143  
1144 1144  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1145 -|=(% 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**
1045 +|=(% style="width: 155px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3" %)**Response**
1146 1146  |(% style="width:154px" %)AT+MOD=?|(% style="width:196px" %)Get the current working mode.|(% style="width:157px" %)(((
1147 1147  OK
1148 1148  )))
... ... @@ -1159,32 +1159,6 @@
1159 1159  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1160 1160  
1161 1161  
1162 -=== 3.3.8 PWM setting ===
1163 -
1164 -Feature: Set the time acquisition unit for PWM input capture.
1165 -
1166 -(% style="color:blue" %)**AT Command: AT+PWMSET**
1167 -
1168 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1169 -|=(% 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**
1170 -|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1171 -0(default)
1172 -
1173 -OK
1174 -)))
1175 -|(% 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" %)(((
1176 -OK
1177 -
1178 -)))
1179 -|(% 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
1180 -
1181 -(% style="color:blue" %)**Downlink Command: 0x0C**
1182 -
1183 -Format: Command Code (0x0C) followed by 1 bytes.
1184 -
1185 -* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1186 -* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1187 -
1188 1188  = 4. Battery & Power Consumption =
1189 1189  
1190 1190  
... ... @@ -1203,13 +1203,14 @@
1203 1203  * Update with new features.
1204 1204  * Fix bugs.
1205 1205  
1206 -**Firmware and changelog can be downloaded from :** **[[Firmware download link>>https://www.dropbox.com/sh/4rov7bcp6u28exp/AACt-wAySd4si5AXi8DBmvSca?dl=0]]**
1080 +**Firmware and changelog can be downloaded from :** **[[Firmware download link>>url:https://www.dropbox.com/sh/kwqv57tp6pejias/AAAopYMATh1GM6fZ-VRCLrpDa?dl=0]]**
1207 1207  
1208 1208  **Methods to Update Firmware:**
1209 1209  
1210 -* (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/]]**
1211 -* 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]]**.
1084 +* (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/]]
1085 +* 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]]**.
1212 1212  
1087 +
1213 1213  = 6. FAQ =
1214 1214  
1215 1215  == 6.1 Where can i find source code of SN50v3-LB? ==
... ... @@ -1218,22 +1218,7 @@
1218 1218  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1219 1219  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1220 1220  
1221 -== 6.2 How to generate PWM Output in SN50v3-LB? ==
1222 1222  
1223 -
1224 -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]]**.
1225 -
1226 -
1227 -== 6.3 How to put several sensors to a SN50v3-LB? ==
1228 -
1229 -
1230 -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.
1231 -
1232 -[[Reference Supplier>>https://www.yscableglands.com/cable-glands/nylon-cable-glands/cable-gland-rubber-seal.html]].
1233 -
1234 -[[image:image-20230810121434-1.png||height="242" width="656"]]
1235 -
1236 -
1237 1237  = 7. Order Info =
1238 1238  
1239 1239  
... ... @@ -1257,6 +1257,7 @@
1257 1257  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1258 1258  * (% style="color:red" %)**NH**(%%): No Hole
1259 1259  
1120 +
1260 1260  = 8. ​Packing Info =
1261 1261  
1262 1262  
... ... @@ -1271,6 +1271,7 @@
1271 1271  * Package Size / pcs : cm
1272 1272  * Weight / pcs : g
1273 1273  
1135 +
1274 1274  = 9. Support =
1275 1275  
1276 1276  
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