Changes for page How to connect 3rd party sensor to Dragino Wireless End Node

Last modified by Xiaoling on 2024/09/24 15:37

From 4.1 to 3.1 From 6.1 to 5.2

From version 5.2

edited by Xiaoling
on 2024/09/23 17:27

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To version 4.1

edited by Karry Zhuang
on 2024/09/20 18:06

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@@ -1,1 +1,1 @@
--XWiki.Xiaoling
++XWiki.karry

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@@ -1,16 +1,13 @@
--**Table of Contents:**
++
--{{toc/}}
++== 1.RS485-LB connects to third-party sensors ==
--= 1. RS485-LB connects to third-party sensors =
++== How to connect RS485-LB node to UART distance sensor? ==
--== 1.1 How to connect RS485-LB node to UART distance sensor? ==
--
--
  Take the A16-15 as an example, but the same setup can support different distance sensors, compare specifications see this [[link>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS04-LB_LoRaWAN_4-Channels_Distance_Detection_Sensor_User_Manual/#H1.4ProbeOptions]] to DDS04-LB.
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/WebHome/image-20240703151202-1.png?rev=1.1||alt="image-20240703151202-1.png"]]
@@ -34,20 +34,20 @@
  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/WebHome/image-20240703161941-4.png?width=1357&height=619&rev=1.1||alt="image-20240703161941-4.png" height="619" width="1357"]]
++== 2.SN50v3-LB connects to third-party sensors ==
--= 2. SN50v3-LB connects to third-party sensors =
++
--== 2.1 Working Modes & Sensor Data. Uplink via FPORT~=2 ==
++=== 2.3.2 Working Modes & Sensor Data. Uplink via FPORT~=2 ===
--
  SN50v3-LB/LS has different working mode for the connections of different type of sensors. This section describes these modes. Use can use the AT Command (% style="color:blue" %)**AT+MOD**(%%) to set SN50v3-LB/LS to different working modes.
  For example:
--(% style="color:blue" %)**AT+MOD=2  ** (%%)  ~/~/ will set the SN50v3 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
++ (% style="color:blue" %)**AT+MOD=2  ** (%%)  ~/~/ will set the SN50v3 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
--(% style="color:red" %)**Important Notice:**
++(% style="color:red" %) **Important Notice:**
  ~1. Some working modes has payload more than 12 bytes, The US915/AU915/AS923 frequency bands' definition has maximum 11 bytes in (% style="color:blue" %)**DR0**(%%). Server sides will see NULL payload while SN50v3-LB/LS transmit in DR0 with 12 bytes payload.
@@ -55,10 +55,8 @@
 . By default, the device will send an uplink message every 20 minutes.
++==== 2.3.2.1  MOD~=1 (Default Mode) ====
--=== 2.1.1 MOD~=1 (Default Mode) ===
--
--
  In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2.
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
@@ -77,10 +77,8 @@
  [[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"]]
++==== 2.3.2.2  MOD~=2 (Distance Mode) ====
--=== 2.1.2 MOD~=2 (Distance Mode) ===
--
--
  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.
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
@@ -100,13 +100,13 @@
  (% style="color:blue" %)**Connection of LIDAR-Lite V3HP:**
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230512173758-5.png?width=712&height=563&rev=1.1||alt="image-20230512173758-5.png"]]
++[[image:image-20230512173758-5.png||height="563" width="712"]]
  (% style="color:blue" %)**Connection to Ultrasonic Sensor:**
  (% style="color:red" %)**Need to remove R1 and R2 resistors to get low power,otherwise there will be 240uA standby current.**
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230512173903-6.png?width=715&height=596&rev=1.1||alt="image-20230512173903-6.png"]]
++[[image:image-20230512173903-6.png||height="596" width="715"]]
  For the connection to TF-Mini or TF-Luna , MOD2 payload is as below:
@@ -127,18 +127,19 @@
  **Connection to [[TF-Mini plus>>url:http://en.benewake.com/product/detail/5c345cd0e5b3a844c472329b.html]] LiDAR(UART version):**
--(% style="color:red" %)**Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current**[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230512180609-7.png?width=802&height=555&rev=1.1||alt="image-20230512180609-7.png"]]
++(% style="color:red" %)**Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.**(%%)
++(% style="color:red" %)[[image:image-20230512180609-7.png||height="555" width="802"]]
  **Connection to [[TF-Luna>>url:http://en.benewake.com/product/detail/5e1c1fd04d839408076b6255.html]] LiDAR (UART version):**
--(% style="color:red" %)**Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current**
++(% style="color:red" %)**Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.**(%%)
++(% style="color:red" %)[[image:image-20230610170047-1.png||height="452" width="799"]]
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230610170047-1.png?width=799&height=452&rev=1.1||alt="image-20230610170047-1.png"]]
++==== 2.3.2.3  MOD~=3 (3 ADC + I2C) ====
++==== 2.3.2.3  MOD~=3 (3 ADC + I2C) ====
--=== 2.1.3 MOD~=3 (3 ADC + I2C) ===
--
  This mode has total 12 bytes. Include 3 x ADC + 1x I2C
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
@@ -158,11 +158,10 @@
  )))|(% style="width:163px" %)(((
  Humidity(SHT20 or SHT31)
  )))|(% style="width:53px" %)Bat
++[[image:image-20230513110214-6.png]]
++==== 2.3.2.4  MOD~=4 (3 x DS18B20) ====
--=== 2.1.4 MOD~=4 (3 x DS18B20) ===
--
--
  This mode has total 11 bytes. As shown below:
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
@@ -178,14 +178,12 @@
  [[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"]]
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230513134006-1.png?width=736&height=559&rev=1.1||alt="image-20230513134006-1.png"]]
++[[image:image-20230513134006-1.png||height="559" width="736"]]
++==== 2.3.2.5  MOD~=5(Weight Measurement by HX711) ====
--=== 2.1.5 MOD~=5 (Weight Measurement by HX711) ===
++[[image:image-20230512164658-2.png||height="532" width="729"]]
--
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230512164658-2.png?width=729&height=532&rev=1.1||alt="image-20230512164658-2.png"]]
--
  Each HX711 need to be calibrated before used. User need to do below two steps:
 . Zero calibration. Don't put anything on load cell and run (% style="color:blue" %)**AT+WEIGRE**(%%) to calibrate to Zero gram.
@@ -193,6 +193,7 @@
 . (((
  Weight has 4 bytes, the unit is g.
++
  )))
@@ -218,15 +218,13 @@
  [[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"]]
++==== 2.3.2.6  MOD~=6 (Counting Mode) ====
--=== 2.1.6 MOD~=6 (Counting Mode) ===
--
--
  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.
  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.
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230512181814-9.png?width=697&height=543&rev=1.1||alt="image-20230512181814-9.png"]]
++[[image:image-20230512181814-9.png||height="543" width="697"]]
  (% 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.**
@@ -244,10 +244,8 @@
  [[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"]]
++==== 2.3.2.7  MOD~=7 (Three interrupt contact modes) ====
--=== 2.1.7 MOD~=7 (Three interrupt contact modes) ===
--
--
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
  |=(% style="width: 50px;background-color:#4F81BD;color:white" %)(((
  **Size(bytes)**
@@ -261,12 +261,10 @@
  Digital Interrupt1(PA8)
  )))|(% style="width:186px" %)Digital Interrupt2(PA4)|(% style="width:197px" %)Digital Interrupt3(PB15)|(% style="width:100px" %)Reserved
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230513111203-7.png?width=975&height=324&rev=1.1||alt="image-20230513111203-7.png"]]
++[[image:image-20230513111203-7.png||height="324" width="975"]]
++==== 2.3.2.8  MOD~=8 （3ADC+1DS18B20） ====
--=== 2.1.8 MOD~=8 (3ADC+1DS18B20) ===
--
--
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
  |=(% style="width: 50px;background-color:#4F81BD;color:white" %)(((
  **Size(bytes)**
@@ -284,12 +284,10 @@
  ADC3(PA8)
  )))
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230513111231-8.png?width=900&height=335&rev=1.1||alt="image-20230513111231-8.png"]]
++[[image:image-20230513111231-8.png||height="335" width="900"]]
++==== 2.3.2.9  MOD~=9 (3DS18B20+ two Interrupt count mode) ====
--=== 2.1.9 MOD~=9 (3DS18B20+ two Interrupt count mode) ===
--
--
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
  |=(% style="width: 50px;background-color:#4F81BD;color:white" %)(((
  **Size(bytes)**
@@ -312,7 +312,7 @@
  Count2(PA4)
  )))
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230513111255-9.png?width=899&height=341&rev=1.1||alt="image-20230513111255-9.png"]]
++[[image:image-20230513111255-9.png||height="341" width="899"]]
  (% style="color:blue" %)**The newly added AT command is issued correspondingly:**
@@ -330,9 +330,8 @@
  When AA is 2, set the count of PA4 pin to BB    Corresponding downlink：09 02 bb bb bb bb
--=== 2.1.10 MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ===
++==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
--
  (% style="color:red" %)**Note: Firmware not release, contact Dragino for testing.**
  In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
@@ -340,11 +340,10 @@
  [[It should be noted when using PWM mode.>>||anchor="H2.3.3.12A0PWMMOD"]]
--==== 2.1.10.1  Uplink, PWM input capture ====
++===== 2.3.2.10.a  Uplink, PWM input capture =====
++[[image:image-20230817172209-2.png||height="439" width="683"]]
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230817172209-2.png?width=683&height=439&rev=1.1||alt="image-20230817172209-2.png"]]
--
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
  |(% style="background-color:#4f81bd; color:white; width:50px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:20px" %)**2**|(% style="background-color:#4f81bd; color:white; width:100px" %)**2**|(% style="background-color:#4f81bd; color:white; width:50px" %)**2**|(% style="background-color:#4f81bd; color:white; width:135px" %)**1**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:90px" %)**2**
  |Value|Bat|(% style="width:191px" %)(((
@@ -360,7 +360,7 @@
  Duration of high level
  )))
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230817170702-1.png?width=1044&height=161&rev=1.1||alt="image-20230817170702-1.png"]]
++[[image:image-20230817170702-1.png||height="161" width="1044"]]
  When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
@@ -378,13 +378,12 @@
  Duty cycle= Duration of high level/ Pulse period*100 ~(%).
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230818092200-1.png?width=627&height=344&rev=1.1||alt="image-20230818092200-1.png"]]
++[[image:image-20230818092200-1.png||height="344" width="627"]]
++===== 2.3.2.10.b  Uplink, PWM output =====
--==== 2.1.10.2 Uplink, PWM output ====
++[[image:image-20230817172209-2.png||height="439" width="683"]]
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230817172209-2.png?width=683&height=439&rev=1.1||alt="image-20230817172209-2.png"]]
--
  (% 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+PWMOUT=a,b,c**
  a is the time delay of the output, the unit is ms.
@@ -406,12 +406,12 @@
  The oscilloscope displays as follows:
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230817172209-2.png?width=683&height=439&rev=1.1||alt="image-20230817172209-2.png"]]
++[[image:image-20231213102404-1.jpeg||height="688" width="821"]]
--===== 2.1.10.3 Downlink, PWM output =====
++===== 2.3.2.10.c  Downlink, PWM output =====
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230817173800-3.png?width=685&height=412&rev=1.1||alt="image-20230817173800-3.png"]]
++[[image:image-20230817173800-3.png||height="412" width="685"]]
  Downlink:   (% style="color:#037691" %)**0B xx xx xx yy zz zz**
@@ -426,12 +426,10 @@
  The oscilloscope displays as follows:
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230817173858-5.png?width=843&height=634&rev=1.1||alt="image-20230817173858-5.png"]]
++[[image:image-20230817173858-5.png||height="634" width="843"]]
++==== 2.3.2.11  MOD~=11 (TEMP117) ====
--==== 2.1.11 MOD~=11 (TEMP117) ====
--
--
  In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2.
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
@@ -452,16 +452,14 @@
  (0x0000)
  )))
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20240717113113-1.png?width=793&height=352&rev=1.1||alt="image-20240717113113-1.png"]]
++[[image:image-20240717113113-1.png||height="352" width="793"]]
  Connection:
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20240717141528-2.jpeg?width=654&height=430&rev=1.1||alt="image-20240717141528-2.jpeg"]]
++[[image:image-20240717141528-2.jpeg||height="430" width="654"]]
++==== 2.3.2.12  MOD~=12 (Count+SHT31) ====
--==== 2.1.12 MOD~=12 (Count+SHT31) ====
--
--
  This mode has total 11 bytes. As shown below:
  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
@@ -476,16 +476,14 @@
  Count(PA8)
  )))
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20240717150948-5.png?width=979&height=389&rev=1.1||alt="image-20240717150948-5.png"]]
++[[image:image-20240717150948-5.png||height="389" width="979"]]
  Wiring example:
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20240717152224-6.jpeg?width=680&height=359&rev=1.1||alt="image-20240717152224-6.jpeg"]]
++[[image:image-20240717152224-6.jpeg||height="359" width="680"]]
++=== 2.3.3  Decode payload ===
--== 2.2 Decode payload ==
--
--
  While using TTN V3 network, you can add the payload format to decode the payload.
  [[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"]]
@@ -497,9 +497,8 @@
  SN50v3-LB/LS TTN V3 Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
--=== 2.2.1 Battery Info ===
++==== 2.3.3.1  Battery Info ====
--
  Check the battery voltage for SN50v3-LB/LS.
  Ex1: 0x0B45 = 2885mV
@@ -507,7 +507,7 @@
  Ex2: 0x0B49 = 2889mV
--=== 2.2.2 Temperature (DS18B20) ===
++==== 2.3.3.2  Temperature (DS18B20) ====
  If there is a DS18B20 connected to PC13 pin. The temperature will be uploaded in the payload.
@@ -516,7 +516,7 @@
  (% style="color:blue" %)**Connection:**
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230512180718-8.png?width=647&height=538&rev=1.1||alt="image-20230512180718-8.png"]]
++[[image:image-20230512180718-8.png||height="538" width="647"]]
  (% style="color:blue" %)**Example**:
@@ -524,10 +524,10 @@
  If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
--(FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
++（FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
--=== 2.2.3 Digital Input ===
++==== 2.3.3.3  Digital Input ====
  The digital input for pin PB15,
@@ -544,7 +544,7 @@
  )))
--==== 2.2.4 Analogue Digital Converter (ADC) ====
++==== 2.3.3.4  Analogue Digital Converter (ADC) ====
  The measuring range of the ADC is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
@@ -558,17 +558,16 @@
  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.
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230811113449-1.png?width=608&height=370&rev=1.1||alt="image-20230811113449-1.png"]]
++[[image:image-20230811113449-1.png||height="370" width="608"]]
--=== 2.2.5  Digital Interrupt ===
++==== 2.3.3.5  Digital Interrupt ====
--
  Digital Interrupt refers to pin PA8, and there are different trigger methods. When there is a trigger, the SN50v3-LB/LS will send a packet to the server.
  (% style="color:blue" %)** Interrupt connection method:**
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230513105351-5.png?width=485&height=147&rev=1.1||alt="image-20230513105351-5.png"]]
++[[image:image-20230513105351-5.png||height="147" width="485"]]
  (% style="color:blue" %)**Example to use with door sensor :**
@@ -615,7 +615,7 @@
  door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
--=== 2.2.6  I2C Interface (SHT20 & SHT31) ===
++==== 2.3.3.6  I2C Interface (SHT20 & SHT31) ====
  The SDA and SCK are I2C interface lines. You can use these to connect to an I2C device and get the sensor data.
@@ -627,7 +627,7 @@
  Below is the connection to SHT20/ SHT31. The connection is as below:
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230610170152-2.png?width=846&height=501&rev=1.1||alt="image-20230610170152-2.png"]]
++[[image:image-20230610170152-2.png||height="501" width="846"]]
  The device will be able to get the I2C sensor data now and upload to IoT Server.
@@ -644,13 +644,13 @@
  If you want to use other I2C device, please refer the SHT20 part source code as reference.
--=== 2.2.7 Distance Reading ===
++==== 2.3.3.7  Distance Reading ====
  Refer [[Ultrasonic Sensor section>>||anchor="H2.3.3.8UltrasonicSensor"]].
--=== 2.2.8 Ultrasonic Sensor ===
++==== 2.3.3.8  Ultrasonic Sensor ====
  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]]
@@ -661,7 +661,7 @@
  The picture below shows the connection:
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230512173903-6.png?width=715&height=596&rev=1.1||alt="image-20230512173903-6.png"]]
++[[image:image-20230512173903-6.png||height="596" width="715"]]
  Connect to the SN50v3-LB/LS and run (% style="color:blue" %)**AT+MOD=2**(%%) to switch to ultrasonic mode (ULT).
@@ -672,13 +672,13 @@
  Distance:  Read: 0C2D(Hex) = 3117(D)  Value:  3117 mm=311.7 cm
--=== 2.2.9 Battery Output - BAT pin ===
++==== 2.3.3.9  Battery Output - BAT pin ====
  The BAT pin of SN50v3-LB/LS 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/LS will run out very soon.
--=== 2.2.10 +5V Output ===
++==== 2.3.3.10  +5V Output ====
  SN50v3-LB/LS will enable +5V output before all sampling and disable the +5v after all sampling.
@@ -692,19 +692,16 @@
  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.
--=== 2.2.11 BH1750 Illumination Sensor ===
++==== 2.3.3.11  BH1750 Illumination Sensor ====
  MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes.
++[[image:image-20230512172447-4.png||height="416" width="712"]]
--[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230512172447-4.png?width=712&height=416&rev=1.1||alt="image-20230512172447-4.png"]]
--
  [[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"]]
++==== 2.3.3.12  PWM MOD ====
--=== 2.2.12 PWM MOD ===
--
--
  * (((
  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.
  )))
@@ -712,7 +712,7 @@
  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:
  )))
--      [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/WebHome/image-20230817183249-3.png?width=417&height=320&rev=1.1||alt="image-20230817183249-3.png"]]
++      [[image:image-20230817183249-3.png||height="320" width="417"]]
  * (((
  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.
@@ -730,10 +730,9 @@
  b) If the output duration is more than 30 seconds, better to use external power source.
  )))
++==== 2.3.3.13  Working MOD ====
--=== 2.2.13 Working MOD ===
--
  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
  User can use the 3^^rd^^ ~~ 7^^th^^   bit of this byte to see the working mod:
@@ -753,7 +753,7 @@
--= 3. PS-LB-NA connects to third-party sensors =
++== 3.PS-LB-NA connects to third-party sensors ==
@@ -773,4 +773,5 @@
++

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