Wiki source code of SN50v3-LB LoRaWAN Sensor Node User Manual

Version 43.44 by Xiaoling on 2023/05/16 15:31

version	line-number	content
41.2	1	(% style="text-align:center" %)
	2	[[image:image-20230515135611-1.jpeg\|\|height="589" width="589"]]
2.1	3
	4
	5
	6	Table of Contents：
	7
	8	{{toc/}}
	9
	10
	11
	12
	13
	14
	15	= 1. Introduction =
	16
5.1	17	== 1.1 What is SN50v3-LB LoRaWAN Generic Node ==
2.1	18
43.2	19
4.1	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.
2.1	21
4.1	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.
2.1	23
4.1	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.
2.1	25
4.1	26	(% style="color:blue" %)SN50V3-LB(%%) has a built-in BLE module, user can configure the sensor remotely via Mobile Phone. It also support OTA upgrade via private LoRa protocol for easy maintaining.
2.1	27
4.1	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.
2.1	29
4.1	30
2.1	31	== 1.2 Features ==
	32
43.44	33
2.1	34	* LoRaWAN 1.0.3 Class A
	35	* Ultra-low power consumption
5.1	36	* Open-Source hardware/software
2.1	37	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
	38	* Support Bluetooth v5.1 and LoRaWAN remote configure
	39	* Support wireless OTA update firmware
	40	* Uplink on periodically
	41	* Downlink to change configure
	42	* 8500mAh Battery for long term use
	43
	44	== 1.3 Specification ==
	45
43.4	46
2.1	47	(% style="color:#037691" %)Common DC Characteristics:
	48
	49	* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
	50	* Operating Temperature: -40 ~~ 85°C
	51
5.1	52	(% style="color:#037691" %)I/O Interface:
2.1	53
5.1	54	* Battery output (2.6v ~~ 3.6v depends on battery)
	55	* +5v controllable output
	56	* 3 x Interrupt or Digital IN/OUT pins
	57	* 3 x one-wire interfaces
	58	* 1 x UART Interface
	59	* 1 x I2C Interface
2.1	60
	61	(% style="color:#037691" %)LoRa Spec:
	62
	63	* Frequency Range, Band 1 (HF): 862 ~~ 1020 Mhz
	64	* Max +22 dBm constant RF output vs.
	65	* RX sensitivity: down to -139 dBm.
	66	* Excellent blocking immunity
	67
	68	(% style="color:#037691" %)Battery:
	69
	70	* Li/SOCI2 un-chargeable battery
	71	* Capacity: 8500mAh
	72	* Self-Discharge: <1% / Year @ 25°C
	73	* Max continuously current: 130mA
	74	* Max boost current: 2A, 1 second
	75
	76	(% style="color:#037691" %)Power Consumption
	77
	78	* Sleep Mode: 5uA @ 3.3v
	79	* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
	80
	81	== 1.4 Sleep mode and working mode ==
	82
43.4	83
2.1	84	(% style="color:blue" %)Deep Sleep Mode: (%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
	85
	86	(% style="color:blue" %)Working Mode: (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
	87
	88
	89	== 1.5 Button & LEDs ==
	90
	91
	92	[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
	93
	94
	95	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	96	\|=(% style="width: 167px;background-color:#D9E2F3;color:#0070C0" %)Behavior on ACT\|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)Function\|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)Action
	97	\|(% style="width:167px" %)Pressing ACT between 1s < time < 3s\|(% style="width:117px" %)Send an uplink\|(% style="width:225px" %)(((
	98	If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)blue led (%%)will blink once.
	99	Meanwhile, BLE module will be active and user can connect via BLE to configure device.
	100	)))
	101	\|(% style="width:167px" %)Pressing ACT for more than 3s\|(% style="width:117px" %)Active Device\|(% style="width:225px" %)(((
	102	(% style="color:green" %)Green led(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)OTA mode(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
	103	(% style="color:green" %)Green led(%%) will solidly turn on for 5 seconds after joined in network.
	104	Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
	105	)))
	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
	108	== 1.6 BLE connection ==
	109
	110
5.1	111	SN50v3-LB supports BLE remote configure.
2.1	112
	113
	114	BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
	115
	116	* Press button to send an uplink
	117	* Press button to active device.
	118	* Device Power on or reset.
	119
	120	If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
	121
	122
6.1	123	== 1.7 Pin Definitions ==
2.1	124
	125
36.1	126	[[image:image-20230513102034-2.png]]
2.1	127
	128
	129	== 1.8 Mechanical ==
	130
	131
	132	[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
	133
	134	[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
	135
	136	[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
	137
	138
5.1	139	== Hole Option ==
	140
43.4	141
5.1	142	SN50v3-LB has different hole size options for different size sensor cable. The options provided are M12, M16 and M20. The definition is as below:
	143
	144	[[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-20220627104757-1.png?rev=1.1\|\|alt="image-20220627104757-1.png"]]
	145
	146	[[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/1656298089706-973.png?rev=1.1\|\|alt="1656298089706-973.png"]]
	147
	148
10.1	149	= 2. Configure SN50v3-LB to connect to LoRaWAN network =
2.1	150
	151	== 2.1 How it works ==
	152
	153
11.2	154	The SN50v3-LB is configured as (% style="color:#037691" %)LoRaWAN OTAA Class A(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the S31x-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
2.1	155
	156
	157	== 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
	158
	159
	160	Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
	161
	162	The LPS8V2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
	163
	164
11.2	165	(% style="color:blue" %)Step 1:(%%) Create a device in TTN with the OTAA keys from SN50v3-LB.
2.1	166
11.2	167	Each SN50v3-LB is shipped with a sticker with the default device EUI as below:
2.1	168
11.2	169	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/S31-LB_S31B-LB/WebHome/image-20230426084152-1.png?width=502&height=233&rev=1.1\|\|alt="图片-20230426084152-1.png" height="233" width="502"]]
2.1	170
	171
	172	You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
	173
	174
	175	(% style="color:blue" %)Register the device
	176
	177	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/1654935135620-998.png?rev=1.1\|\|alt="1654935135620-998.png"]]
	178
	179
	180	(% style="color:blue" %)Add APP EUI and DEV EUI
	181
	182	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-4.png?width=753&height=551&rev=1.1\|\|alt="图片-20220611161308-4.png"]]
	183
	184
	185	(% style="color:blue" %)Add APP EUI in the application
	186
	187
	188	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-5.png?width=742&height=601&rev=1.1\|\|alt="图片-20220611161308-5.png"]]
	189
	190
	191	(% style="color:blue" %)Add APP KEY
	192
	193	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-S31-S31B%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20User%20Manual/WebHome/image-20220611161308-6.png?width=744&height=485&rev=1.1\|\|alt="图片-20220611161308-6.png"]]
	194
	195
11.2	196	(% style="color:blue" %)Step 2:(%%) Activate SN50v3-LB
2.1	197
	198
11.2	199	Press the button for 5 seconds to activate the SN50v3-LB.
2.1	200
	201	(% style="color:green" %)Green led(%%) will fast blink 5 times, device will enter (% style="color:blue" %)OTA mode(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)Green led(%%) will solidly turn on for 5 seconds after joined in network.
	202
	203	After join success, it will start to upload messages to TTN and you can see the messages in the panel.
	204
	205
	206	== 2.3 Uplink Payload ==
	207
	208	=== 2.3.1 Device Status, FPORT~=5 ===
	209
	210
11.2	211	Users can use the downlink command(0x26 01) to ask SN50v3 to send device configure detail, include device configure status. SN50v3 will uplink a payload via FPort=5 to server.
2.1	212
	213	The Payload format is as below.
	214
	215
	216	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	217	\|(% colspan="6" style="background-color:#d9e2f3; color:#0070c0" %)Device Status (FPORT=5)
	218	\|(% style="width:103px" %)Size (bytes)\|(% style="width:72px" %)1\|2\|(% style="width:91px" %)1\|(% style="width:86px" %)1\|(% style="width:44px" %)2
	219	\|(% style="width:103px" %)Value\|(% style="width:72px" %)Sensor Model\|Firmware Version\|(% style="width:91px" %)Frequency Band\|(% style="width:86px" %)Sub-band\|(% style="width:44px" %)BAT
	220
	221	Example parse in TTNv3
	222
	223
11.2	224	(% style="color:#037691" %)Sensor Model(%%): For SN50v3, this value is 0x1C
2.1	225
	226	(% style="color:#037691" %)Firmware Version(%%): 0x0100, Means: v1.0.0 version
	227
	228	(% style="color:#037691" %)Frequency Band:
	229
	230	*0x01: EU868
	231
	232	*0x02: US915
	233
	234	*0x03: IN865
	235
	236	*0x04: AU915
	237
	238	*0x05: KZ865
	239
	240	*0x06: RU864
	241
	242	*0x07: AS923
	243
	244	*0x08: AS923-1
	245
	246	*0x09: AS923-2
	247
	248	*0x0a: AS923-3
	249
	250	*0x0b: CN470
	251
	252	*0x0c: EU433
	253
	254	*0x0d: KR920
	255
	256	*0x0e: MA869
	257
	258
	259	(% style="color:#037691" %)Sub-Band:
	260
	261	AU915 and US915:value 0x00 ~~ 0x08
	262
	263	CN470: value 0x0B ~~ 0x0C
	264
	265	Other Bands: Always 0x00
	266
	267
	268	(% style="color:#037691" %)Battery Info:
	269
	270	Check the battery voltage.
	271
	272	Ex1: 0x0B45 = 2885mV
	273
	274	Ex2: 0x0B49 = 2889mV
	275
	276
12.1	277	=== 2.3.2 Working Modes & Sensor Data. Uplink via FPORT~=2 ===
2.1	278
	279
12.1	280	SN50v3 has different working mode for the connections of different type of sensors. This section describes these modes. Use can use the AT Command AT+MOD to set SN50v3 to different working modes.
	281
	282	For example:
	283
	284	AT+MOD=2 ~/~/ will set the SN50v3 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
	285
	286
13.1	287	(% style="color:red" %) Important Notice:
12.1	288
	289	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.
13.1	290	1. All modes share the same Payload Explanation from HERE.
	291	1. By default, the device will send an uplink message every 20 minutes.
12.1	292
13.1	293	==== 2.3.2.1 MOD~=1 (Default Mode) ====
12.1	294
43.5	295
12.1	296	In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2.
	297
43.5	298	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.44	299	\|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)Size(bytes)\|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)1\|(% style="background-color:#d9e2f3; color:#0070c0; width:130px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)2
40.1	300	\|Value\|Bat\|(% style="width:191px" %)(((
43.12	301	Temperature(DS18B20)(PC13)
40.1	302	)))\|(% style="width:78px" %)(((
43.12	303	ADC(PA4)
26.2	304	)))\|(% style="width:216px" %)(((
43.13	305	Digital in(PB15)&Digital Interrupt(PA8)
40.1	306	)))\|(% style="width:308px" %)(((
43.12	307	Temperature(SHT20 or SHT31 or BH1750 Illumination Sensor)
40.1	308	)))\|(% style="width:154px" %)(((
43.12	309	Humidity(SHT20 or SHT31)
36.1	310	)))
	311
12.1	312	[[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"]]
	313
	314
13.1	315	==== 2.3.2.2 MOD~=2 (Distance Mode) ====
	316
12.1	317	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.
	318
43.14	319	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.44	320	\|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)Size(bytes)\|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:110px" %)1\|(% style="background-color:#d9e2f3; color:#0070c0; width:140px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:40px" %)2
40.1	321	\|Value\|BAT\|(% style="width:196px" %)(((
43.16	322	Temperature(DS18B20)(PC13)
40.1	323	)))\|(% style="width:87px" %)(((
43.16	324	ADC(PA4)
40.1	325	)))\|(% style="width:189px" %)(((
43.16	326	Digital in(PB15) & Digital Interrupt(PA8)
40.1	327	)))\|(% style="width:208px" %)(((
43.16	328	Distance measure by:1) LIDAR-Lite V3HP
	329	Or 2) Ultrasonic Sensor
40.1	330	)))\|(% style="width:117px" %)Reserved
12.1	331
	332	[[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"]]
	333
43.17	334	(% style="color:blue" %)Connection of LIDAR-Lite V3HP:
12.1	335
26.2	336	[[image:image-20230512173758-5.png\|\|height="563" width="712"]]
12.1	337
43.17	338	(% style="color:blue" %)Connection to Ultrasonic Sensor:
12.1	339
36.1	340	Need to remove R1 and R2 resistors to get low power,otherwise there will be 240uA standby current.
	341
26.2	342	[[image:image-20230512173903-6.png\|\|height="596" width="715"]]
12.1	343
	344	For the connection to TF-Mini or TF-Luna , MOD2 payload is as below:
	345
43.19	346	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.44	347	\|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)Size(bytes)\|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)1\|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:120px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)2
40.1	348	\|Value\|BAT\|(% style="width:183px" %)(((
43.19	349	Temperature(DS18B20)(PC13)
40.1	350	)))\|(% style="width:173px" %)(((
43.19	351	Digital in(PB15) & Digital Interrupt(PA8)
40.1	352	)))\|(% style="width:84px" %)(((
43.19	353	ADC(PA4)
40.1	354	)))\|(% style="width:323px" %)(((
12.1	355	Distance measure by:1)TF-Mini plus LiDAR
43.22	356	Or
	357	2) TF-Luna LiDAR
40.1	358	)))\|(% style="width:188px" %)Distance signal strength
12.1	359
	360	[[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"]]
	361
	362	Connection to [[TF-Mini plus>>url:http://en.benewake.com/product/detail/5c345cd0e5b3a844c472329b.html]] LiDAR(UART version):
	363
36.1	364	Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.
12.1	365
26.2	366	[[image:image-20230512180609-7.png\|\|height="555" width="802"]]
12.1	367
	368	Connection to [[TF-Luna>>url:http://en.benewake.com/product/detail/5e1c1fd04d839408076b6255.html]] LiDAR (UART version):
	369
36.1	370	Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.
12.1	371
36.1	372	[[image:image-20230513105207-4.png\|\|height="469" width="802"]]
12.1	373
	374
13.1	375	==== 2.3.2.3 MOD~=3 (3 ADC + I2C) ====
	376
12.1	377	This mode has total 12 bytes. Include 3 x ADC + 1x I2C
	378
43.21	379	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.25	380	\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
	381	Size(bytes)
43.24	382	)))\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)1\|=(% style="width: 140px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 120px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)1
26.2	383	\|Value\|(% style="width:68px" %)(((
43.23	384	ADC1(PA4)
26.2	385	)))\|(% style="width:75px" %)(((
43.23	386	ADC2(PA5)
36.1	387	)))\|(((
43.23	388	ADC3(PA8)
36.1	389	)))\|(((
	390	Digital Interrupt(PB15)
	391	)))\|(% style="width:304px" %)(((
43.23	392	Temperature(SHT20 or SHT31 or BH1750 Illumination Sensor)
36.1	393	)))\|(% style="width:163px" %)(((
43.23	394	Humidity(SHT20 or SHT31)
36.1	395	)))\|(% style="width:53px" %)Bat
	396
	397	[[image:image-20230513110214-6.png]]
	398
	399
13.1	400	==== 2.3.2.4 MOD~=4 (3 x DS18B20) ====
	401
12.1	402
26.2	403	This mode has total 11 bytes. As shown below:
12.1	404
43.26	405	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.44	406	\|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)Size(bytes)\|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)1\|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)2
26.2	407	\|Value\|BAT\|(% style="width:186px" %)(((
43.27	408	Temperature1(DS18B20)(PC13)
26.2	409	)))\|(% style="width:82px" %)(((
43.27	410	ADC(PA4)
26.2	411	)))\|(% style="width:210px" %)(((
43.27	412	Digital in(PB15) & Digital Interrupt(PA8)
26.2	413	)))\|(% style="width:191px" %)Temperature2(DS18B20)
43.27	414	(PB9)\|(% style="width:183px" %)Temperature3(DS18B20)(PB8)
12.1	415
	416	[[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"]]
	417
39.2	418	[[image:image-20230513134006-1.png\|\|height="559" width="736"]]
12.1	419
39.1	420
13.1	421	==== 2.3.2.5 MOD~=5(Weight Measurement by HX711) ====
	422
26.2	423	[[image:image-20230512164658-2.png\|\|height="532" width="729"]]
12.1	424
	425	Each HX711 need to be calibrated before used. User need to do below two steps:
	426
	427	1. Zero calibration. Don't put anything on load cell and run AT+WEIGRE to calibrate to Zero gram.
	428	1. Adjust calibration factor (default value 400): Put a known weight thing on load cell and run AT+WEIGAP to adjust the Calibration Factor.
	429	1. (((
26.2	430	Weight has 4 bytes, the unit is g.
12.1	431	)))
	432
	433	For example:
	434
26.2	435	AT+GETSENSORVALUE =0
12.1	436
	437	Response: Weight is 401 g
	438
	439	Check the response of this command and adjust the value to match the real value for thing.
	440
43.29	441	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	442	\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
12.1	443	Size(bytes)
43.30	444	)))\|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 150px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 200px;background-color:#D9E2F3;color:#0070C0" %)1\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)4
40.1	445	\|Value\|BAT\|(% style="width:193px" %)(((
36.1	446	Temperature(DS18B20)
26.2	447	(PC13)
40.1	448	)))\|(% style="width:85px" %)(((
43.31	449	ADC(PA4)
40.1	450	)))\|(% style="width:186px" %)(((
36.1	451	Digital in(PB15) &
	452	Digital Interrupt(PA8)
40.1	453	)))\|(% style="width:100px" %)Weight
26.2	454
12.1	455	[[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"]]
	456
	457
13.1	458	==== 2.3.2.6 MOD~=6 (Counting Mode) ====
	459
12.1	460	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.
	461
	462	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.
	463
26.2	464	[[image:image-20230512181814-9.png\|\|height="543" width="697"]]
12.1	465
43.44	466	(% 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.
12.1	467
43.38	468	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.32	469	\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)Size(bytes)\|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 220px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)1\|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)4
36.1	470	\|Value\|BAT\|(% style="width:256px" %)(((
43.31	471	Temperature(DS18B20)(PC13)
36.1	472	)))\|(% style="width:108px" %)(((
43.31	473	ADC(PA4)
36.1	474	)))\|(% style="width:126px" %)(((
43.31	475	Digital in(PB15)
36.1	476	)))\|(% style="width:145px" %)(((
43.31	477	Count(PA8)
36.1	478	)))
	479
12.1	480	[[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"]]
	481
	482
13.1	483	==== 2.3.2.7 MOD~=7 (Three interrupt contact modes) ====
	484
43.38	485	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.33	486	\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
12.1	487	Size(bytes)
43.34	488	)))\|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)1\|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)1\|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)1\|=(% style="width: 40px;background-color:#D9E2F3;color:#0070C0" %)2
40.1	489	\|Value\|BAT\|(% style="width:188px" %)(((
36.1	490	Temperature(DS18B20)
	491	(PC13)
40.1	492	)))\|(% style="width:83px" %)(((
43.35	493	ADC(PA5)
40.1	494	)))\|(% style="width:184px" %)(((
36.1	495	Digital Interrupt1(PA8)
40.1	496	)))\|(% style="width:186px" %)Digital Interrupt2(PA4)\|(% style="width:197px" %)Digital Interrupt3(PB15)\|(% style="width:100px" %)Reserved
36.1	497
	498	[[image:image-20230513111203-7.png\|\|height="324" width="975"]]
	499
13.1	500	==== 2.3.2.8 MOD~=8 （3ADC+1DS18B20） ====
	501
43.38	502	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.35	503	\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
12.1	504	Size(bytes)
43.37	505	)))\|=(% style="width: 30px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 120px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 120px;background-color:#D9E2F3;color:#0070C0" %)1\|=(% style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)2
36.1	506	\|Value\|BAT\|(% style="width:207px" %)(((
	507	Temperature(DS18B20)
	508	(PC13)
	509	)))\|(% style="width:94px" %)(((
43.36	510	ADC1(PA4)
36.1	511	)))\|(% style="width:198px" %)(((
	512	Digital Interrupt(PB15)
	513	)))\|(% style="width:84px" %)(((
43.36	514	ADC2(PA5)
40.1	515	)))\|(% style="width:82px" %)(((
43.36	516	ADC3(PA8)
12.1	517	)))
	518
36.1	519	[[image:image-20230513111231-8.png\|\|height="335" width="900"]]
12.1	520
	521
13.1	522	==== 2.3.2.9 MOD~=9 (3DS18B20+ two Interrupt count mode) ====
	523
43.38	524	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	525	\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
12.1	526	Size(bytes)
43.39	527	)))\|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)1\|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)4\|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)4
12.1	528	\|Value\|BAT\|(((
36.1	529	Temperature1(DS18B20)
	530	(PC13)
12.1	531	)))\|(((
36.1	532	Temperature2(DS18B20)
	533	(PB9)
12.1	534	)))\|(((
36.1	535	Digital Interrupt
	536	(PB15)
	537	)))\|(% style="width:193px" %)(((
	538	Temperature3(DS18B20)
	539	(PB8)
	540	)))\|(% style="width:78px" %)(((
43.39	541	Count1(PA8)
36.1	542	)))\|(% style="width:78px" %)(((
43.39	543	Count2(PA4)
12.1	544	)))
	545
36.1	546	[[image:image-20230513111255-9.png\|\|height="341" width="899"]]
12.1	547
43.40	548	(% style="color:blue" %)The newly added AT command is issued correspondingly:
12.1	549
43.44	550	(% style="color:#037691" %) AT+INTMOD1 PA8(%%) pin： Corresponding downlink: (% style="color:#037691" %)06 00 00 xx
12.1	551
43.44	552	(% style="color:#037691" %) AT+INTMOD2 PA4(%%) pin： Corresponding downlink: (% style="color:#037691" %)06 00 01 xx
12.1	553
43.44	554	(% style="color:#037691" %) AT+INTMOD3 PB15(%%) pin： Corresponding downlink: (% style="color:#037691" %) 06 00 02 xx
12.1	555
	556
43.41	557	(% style="color:blue" %)AT+SETCNT=aa,bb
	558
36.1	559	When AA is 1, set the count of PA8 pin to BB Corresponding downlink：09 01 bb bb bb bb
12.1	560
36.1	561	When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
12.1	562
	563
14.1	564
	565	=== 2.3.3 Decode payload ===
	566
12.1	567	While using TTN V3 network, you can add the payload format to decode the payload.
	568
	569	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656378466788-734.png?rev=1.1\|\|alt="1656378466788-734.png"]]
	570
	571	The payload decoder function for TTN V3 are here:
	572
14.1	573	SN50v3 TTN V3 Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
12.1	574
	575
14.1	576	==== 2.3.3.1 Battery Info ====
2.1	577
14.1	578	Check the battery voltage for SN50v3.
2.1	579
	580	Ex1: 0x0B45 = 2885mV
	581
	582	Ex2: 0x0B49 = 2889mV
	583
	584
14.1	585	==== 2.3.3.2 Temperature (DS18B20) ====
2.1	586
42.1	587	If there is a DS18B20 connected to PC13 pin. The temperature will be uploaded in the payload.
2.1	588
14.1	589	More DS18B20 can check the [[3 DS18B20 mode>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#2.3.4MOD3D4283xDS18B2029]]
	590
43.41	591	(% style="color:blue" %)Connection:
14.1	592
26.2	593	[[image:image-20230512180718-8.png\|\|height="538" width="647"]]
14.1	594
43.41	595	(% style="color:blue" %)Example:
2.1	596
	597	If payload is: 0105H: (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
	598
	599	If payload is: FF3FH : (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	600
	601	（FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
	602
	603
14.1	604	==== 2.3.3.3 Digital Input ====
2.1	605
26.2	606	The digital input for pin PB15,
2.1	607
26.2	608	* When PB15 is high, the bit 1 of payload byte 6 is 1.
	609	* When PB15 is low, the bit 1 of payload byte 6 is 0.
2.1	610
26.2	611	(% class="wikigeneratedid" id="H2.3.3.4A0AnalogueDigitalConverter28ADC29" %)
	612	(((
36.1	613	When the digital interrupt pin is set to AT+INTMODx=0, this pin is used as a digital input pin.
	614
43.8	615	(% style="color:red" %)Note:The maximum voltage input supports 3.6V.
26.2	616	)))
	617
14.1	618	==== 2.3.3.4 Analogue Digital Converter (ADC) ====
2.1	619
36.1	620	The measuring range of the ADC is only about 0V to 1.1V The voltage resolution is about 0.24mv.
2.1	621
36.1	622	When the measured output voltage of the sensor is not within the range of 0V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
14.1	623
26.2	624	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220628150112-1.png?width=285&height=241&rev=1.1\|\|alt="image-20220628150112-1.png" height="241" width="285"]]
14.1	625
43.8	626	(% style="color:red" %)Note:If the ADC type sensor needs to be powered by SN50_v3, it is recommended to use +5V to control its switch.Only sensors with low power consumption can be powered with VDD.
14.1	627
43.1	628
14.1	629	==== 2.3.3.5 Digital Interrupt ====
	630
36.1	631	Digital Interrupt refers to pin PA8, and there are different trigger methods. When there is a trigger, the SN50v3 will send a packet to the server.
14.1	632
43.44	633	(% style="color:blue" %) Interrupt connection method:
14.1	634
36.1	635	[[image:image-20230513105351-5.png\|\|height="147" width="485"]]
14.1	636
43.8	637	(% style="color:blue" %)Example to use with door sensor :
14.1	638
	639	The door sensor is shown at right. It is a two wire magnetic contact switch used for detecting the open/close status of doors or windows.
	640
	641	[[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"]]
	642
36.1	643	When the two pieces are close to each other, the 2 wire output will be short or open (depending on the type), while if the two pieces are away from each other, the 2 wire output will be the opposite status. So we can use SN50_v3 interrupt interface to detect the status for the door or window.
14.1	644
43.44	645	(% style="color:blue" %) Below is the installation example:
14.1	646
36.1	647	Fix one piece of the magnetic sensor to the door and connect the two pins to SN50_v3 as follows:
14.1	648
	649	* (((
36.1	650	One pin to SN50_v3's PA8 pin
14.1	651	)))
	652	* (((
36.1	653	The other pin to SN50_v3's VDD pin
14.1	654	)))
	655
36.1	656	Install the other piece to the door. Find a place where the two pieces will be close to each other when the door is closed. For this particular magnetic sensor, when the door is closed, the output will be short, and PA8 will be at the VCC voltage.
14.1	657
	658	Door sensors have two types: NC (Normal close) and NO (normal open). The connection for both type sensors are the same. But the decoding for payload are reverse, user need to modify this in the IoT Server decoder.
	659
36.1	660	When door sensor is shorted, there will extra power consumption in the circuit, the extra current is 3v3/R14 = 3v3/1Mohm = 3uA which can be ignored.
14.1	661
	662	[[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"]]
	663
	664	The above photos shows the two parts of the magnetic switch fitted to a door.
	665
	666	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.
	667
	668	The command is:
	669
43.44	670	(% style="color:blue" %)AT+INTMOD1=1 (%%) ~/~/(more info about INMOD please refer [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/&file=DRAGINO_LSN50_AT_Commands_v1.5.1.pdf]]. )
14.1	671
	672	Below shows some screen captures in TTN V3:
	673
	674	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656379339508-835.png?rev=1.1\|\|alt="1656379339508-835.png"]]
	675
	676	In MOD=1, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below:
	677
	678	door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
	679
	680
26.2	681	==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ====
14.1	682
26.2	683	The SDA and SCK are I2C interface lines. You can use these to connect to an I2C device and get the sensor data.
14.1	684
40.1	685	We have made an example to show how to use the I2C interface to connect to the SHT20/ SHT31 Temperature and Humidity Sensor.
14.1	686
40.1	687	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/ SHT31 code in SN50_v3 will be a good reference.
14.1	688
	689	Below is the connection to SHT20/ SHT31. The connection is as below:
	690
	691
40.1	692	[[image:image-20230513103633-3.png\|\|height="448" width="716"]]
36.1	693
14.1	694	The device will be able to get the I2C sensor data now and upload to IoT Server.
	695
	696	[[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"]]
	697
	698	Convert the read byte to decimal and divide it by ten.
	699
2.1	700	Example:
	701
14.1	702	Temperature: Read:0116(H) = 278(D) Value: 278 /10=27.8℃;
2.1	703
14.1	704	Humidity: Read:0248(H)=584(D) Value: 584 / 10=58.4, So 58.4%
2.1	705
14.1	706	If you want to use other I2C device, please refer the SHT20 part source code as reference.
2.1	707
	708
14.1	709	==== 2.3.3.7 Distance Reading ====
2.1	710
43.42	711	Refer [[Ultrasonic Sensor section>>\|\|anchor="H2.3.3.8UltrasonicSensor"]].
14.1	712
	713
	714	==== 2.3.3.8 Ultrasonic Sensor ====
	715
26.2	716	This Fundamental Principles of this sensor can be found at this link: [[https:~~/~~/wiki.dfrobot.com/Weather_-_proof_Ultrasonic_Sensor_with_Separate_Probe_SKU~~_~~__SEN0208>>url:https://wiki.dfrobot.com/Weather_-_proof_Ultrasonic_Sensor_with_Separate_Probe_SKU___SEN0208]]
14.1	717
36.1	718	The SN50_v3 detects the pulse width of the sensor and converts it to mm output. The accuracy will be within 1 centimeter. The usable range (the distance between the ultrasonic probe and the measured object) is between 24cm and 600cm.
14.1	719
43.44	720	The working principle of this sensor is similar to the (% style="color:blue" %)HC-SR04(%%) ultrasonic sensor.
36.1	721
14.1	722	The picture below shows the connection:
	723
36.1	724	[[image:image-20230512173903-6.png\|\|height="596" width="715"]]
14.1	725
43.44	726	Connect to the SN50_v3 and run (% style="color:blue" %)AT+MOD=2(%%) to switch to ultrasonic mode (ULT).
14.1	727
	728	The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value.
	729
	730	Example:
	731
	732	Distance: Read: 0C2D(Hex) = 3117(D) Value: 3117 mm=311.7 cm
	733
	734
	735
	736	==== 2.3.3.9 Battery Output - BAT pin ====
	737
	738	The BAT pin of SN50v3 is connected to the Battery directly. If users want to use BAT pin to power an external sensor. User need to make sure the external sensor is of low power consumption. Because the BAT pin is always open. If the external sensor is of high power consumption. the battery of SN50v3-LB will run out very soon.
	739
	740
	741	==== 2.3.3.10 +5V Output ====
	742
	743	SN50v3 will enable +5V output before all sampling and disable the +5v after all sampling.
	744
	745	The 5V output time can be controlled by AT Command.
	746
43.9	747	(% style="color:blue" %)AT+5VT=1000
14.1	748
	749	Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.
	750
	751	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.
	752
	753
	754
	755	==== 2.3.3.11 BH1750 Illumination Sensor ====
	756
	757	MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes.
	758
40.1	759	[[image:image-20230512172447-4.png\|\|height="416" width="712"]]
14.1	760
40.1	761	[[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"]]
14.1	762
	763
	764	==== 2.3.3.12 Working MOD ====
	765
	766	The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
	767
	768	User can use the 3^^rd^^ ~~ 7^^th^^ bit of this byte to see the working mod:
	769
	770	Case 7^^th^^ Byte >> 2 & 0x1f:
	771
	772	* 0: MOD1
	773	* 1: MOD2
	774	* 2: MOD3
	775	* 3: MOD4
	776	* 4: MOD5
	777	* 5: MOD6
36.1	778	* 6: MOD7
	779	* 7: MOD8
	780	* 8: MOD9
14.1	781
43.1	782
2.1	783	== 2.4 Payload Decoder file ==
	784
	785
	786	In TTN, use can add a custom payload so it shows friendly reading
	787
	788	In the page (% style="color:#037691" %)Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder(%%) to add the decoder from:
	789
40.1	790	[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/SN50_v3-LB>>https://github.com/dragino/dragino-end-node-decoder/tree/main/SN50_v3-LB]]
2.1	791
	792
	793
15.1	794	== 2.5 Frequency Plans ==
2.1	795
	796
15.1	797	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.
2.1	798
	799	[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
	800
	801
16.1	802	= 3. Configure SN50v3-LB =
2.1	803
	804	== 3.1 Configure Methods ==
	805
	806
16.1	807	SN50v3-LB supports below configure method:
2.1	808
	809	* AT Command via Bluetooth Connection (Recommended): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
	810	* 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]].
	811	* LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
	812
	813	== 3.2 General Commands ==
	814
	815
	816	These commands are to configure:
	817
	818	* General system settings like: uplink interval.
	819	* LoRaWAN protocol & radio related command.
	820
	821	They are same for all Dragino Devices which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
	822
	823	[[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/]]
	824
	825
16.1	826	== 3.3 Commands special design for SN50v3-LB ==
2.1	827
	828
	829	These commands only valid for S31x-LB, as below:
	830
	831
	832	=== 3.3.1 Set Transmit Interval Time ===
	833
	834	Feature: Change LoRaWAN End Node Transmit Interval.
	835
	836	(% style="color:blue" %)AT Command: AT+TDC
	837
	838	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	839	\|=(% style="width: 156px;background-color:#D9E2F3" %)Command Example\|=(% style="width: 137px;background-color:#D9E2F3" %)Function\|=(% style="background-color:#D9E2F3" %)Response
	840	\|(% style="width:156px" %)AT+TDC=?\|(% style="width:137px" %)Show current transmit Interval\|(((
	841	30000
	842	OK
	843	the interval is 30000ms = 30s
	844	)))
	845	\|(% style="width:156px" %)AT+TDC=60000\|(% style="width:137px" %)Set Transmit Interval\|(((
	846	OK
	847	Set transmit interval to 60000ms = 60 seconds
	848	)))
	849
	850	(% style="color:blue" %)Downlink Command: 0x01
	851
	852	Format: Command Code (0x01) followed by 3 bytes time value.
	853
	854	If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
	855
	856	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	857	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	858
40.1	859
2.1	860	=== 3.3.2 Get Device Status ===
	861
40.1	862	Send a LoRaWAN downlink to ask the device to send its status.
2.1	863
	864	(% style="color:blue" %)Downlink Payload: (%%)0x26 01
	865
	866	Sensor will upload Device Status via FPORT=5. See payload section for detail.
	867
	868
36.1	869	=== 3.3.3 Set Interrupt Mode ===
2.1	870
	871	Feature, Set Interrupt mode for GPIO_EXIT.
	872
36.1	873	(% style="color:blue" %)AT Command: AT+INTMOD1，AT+INTMOD2，AT+INTMOD3
2.1	874
	875	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	876	\|=(% style="width: 154px;background-color:#D9E2F3" %)Command Example\|=(% style="width: 196px;background-color:#D9E2F3" %)Function\|=(% style="width: 157px;background-color:#D9E2F3" %)Response
36.1	877	\|(% style="width:154px" %)AT+INTMOD1=?\|(% style="width:196px" %)Show current interrupt mode\|(% style="width:157px" %)(((
2.1	878	0
	879	OK
	880	the mode is 0 =Disable Interrupt
	881	)))
36.1	882	\|(% style="width:154px" %)AT+INTMOD1=2\|(% style="width:196px" %)(((
2.1	883	Set Transmit Interval
	884	0. (Disable Interrupt),
	885	~1. (Trigger by rising and falling edge)
	886	2. (Trigger by falling edge)
	887	3. (Trigger by rising edge)
	888	)))\|(% style="width:157px" %)OK
36.1	889	\|(% style="width:154px" %)AT+INTMOD2=3\|(% style="width:196px" %)(((
	890	Set Transmit Interval
2.1	891
36.1	892	trigger by rising edge.
	893	)))\|(% style="width:157px" %)OK
	894	\|(% style="width:154px" %)AT+INTMOD3=0\|(% style="width:196px" %)Disable Interrupt\|(% style="width:157px" %)OK
	895
2.1	896	(% style="color:blue" %)Downlink Command: 0x06
	897
	898	Format: Command Code (0x06) followed by 3 bytes.
	899
	900	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	901
36.1	902	* Example 1: Downlink Payload: 06000000 ~-~--> AT+INTMOD1=0
	903	* Example 2: Downlink Payload: 06000003 ~-~--> AT+INTMOD1=3
	904	* Example 3: Downlink Payload: 06000102 ~-~--> AT+INTMOD2=2
	905	* Example 4: Downlink Payload: 06000201 ~-~--> AT+INTMOD3=1
2.1	906
40.1	907
36.1	908	=== 3.3.4 Set Power Output Duration ===
	909
	910	Control the output duration 5V . Before each sampling, device will
	911
	912	~1. first enable the power output to external sensor,
	913
	914	2. keep it on as per duration, read sensor value and construct uplink payload
	915
	916	3. final, close the power output.
	917
	918	(% style="color:blue" %)AT Command: AT+5VT
	919
	920	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	921	\|=(% style="width: 154px;background-color:#D9E2F3" %)Command Example\|=(% style="width: 196px;background-color:#D9E2F3" %)Function\|=(% style="width: 157px;background-color:#D9E2F3" %)Response
	922	\|(% style="width:154px" %)AT+5VT=?\|(% style="width:196px" %)Show 5V open time.\|(% style="width:157px" %)(((
	923	500(default)
	924	OK
	925	)))
	926	\|(% style="width:154px" %)AT+5VT=1000\|(% style="width:196px" %)(((
	927	Close after a delay of 1000 milliseconds.
	928	)))\|(% style="width:157px" %)OK
	929
	930	(% style="color:blue" %)Downlink Command: 0x07
	931
	932	Format: Command Code (0x07) followed by 2 bytes.
	933
	934	The first and second bytes are the time to turn on.
	935
40.1	936	* Example 1: Downlink Payload: 070000 ~-~--> AT+5VT=0
	937	* Example 2: Downlink Payload: 0701F4 ~-~--> AT+5VT=500
36.1	938
40.1	939
36.1	940	=== 3.3.5 Set Weighing parameters ===
	941
37.1	942	Feature: Working mode 5 is effective, weight initialization and weight factor setting of HX711.
36.1	943
	944	(% style="color:blue" %)AT Command: AT+WEIGRE,AT+WEIGAP
	945
	946	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	947	\|=(% style="width: 154px;background-color:#D9E2F3" %)Command Example\|=(% style="width: 196px;background-color:#D9E2F3" %)Function\|=(% style="width: 157px;background-color:#D9E2F3" %)Response
37.1	948	\|(% style="width:154px" %)AT+WEIGRE\|(% style="width:196px" %)Weight is initialized to 0.\|(% style="width:157px" %)OK
	949	\|(% style="width:154px" %)AT+WEIGAP=？\|(% style="width:196px" %)400.0\|(% style="width:157px" %)OK(default)
	950	\|(% style="width:154px" %)AT+WEIGAP=400.3\|(% style="width:196px" %)Set the factor to 400.3.\|(% style="width:157px" %)OK
36.1	951
	952	(% style="color:blue" %)Downlink Command: 0x08
	953
37.1	954	Format: Command Code (0x08) followed by 2 bytes or 4 bytes.
36.1	955
37.1	956	Use AT+WEIGRE when the first byte is 1, only 1 byte. When it is 2, use AT+WEIGAP, there are 3 bytes.
36.1	957
37.1	958	The second and third bytes are multiplied by 10 times to be the AT+WEIGAP value.
36.1	959
37.1	960	* Example 1: Downlink Payload: 0801 ~-~--> AT+WEIGRE
	961	* Example 2: Downlink Payload: 08020FA3 ~-~--> AT+WEIGAP=400.3
	962	* Example 3: Downlink Payload: 08020FA0 ~-~--> AT+WEIGAP=400.0
	963
40.1	964
36.1	965	=== 3.3.6 Set Digital pulse count value ===
	966
	967	Feature: Set the pulse count value.
	968
37.1	969	Count 1 is PA8 pin of mode 6 and mode 9. Count 2 is PA4 pin of mode 9.
	970
36.1	971	(% style="color:blue" %)AT Command: AT+SETCNT
	972
	973	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	974	\|=(% style="width: 154px;background-color:#D9E2F3" %)Command Example\|=(% style="width: 196px;background-color:#D9E2F3" %)Function\|=(% style="width: 157px;background-color:#D9E2F3" %)Response
	975	\|(% style="width:154px" %)AT+SETCNT=1,100\|(% style="width:196px" %)Initialize the count value 1 to 100.\|(% style="width:157px" %)OK
	976	\|(% style="width:154px" %)AT+SETCNT=2,0\|(% style="width:196px" %)Initialize the count value 2 to 0.\|(% style="width:157px" %)OK
	977
	978	(% style="color:blue" %)Downlink Command: 0x09
	979
	980	Format: Command Code (0x09) followed by 5 bytes.
	981
	982	The first byte is to select which count value to initialize, and the next four bytes are the count value to be initialized.
	983
	984	* Example 1: Downlink Payload: 090100000000 ~-~--> AT+SETCNT=1,0
37.1	985	* Example 2: Downlink Payload: 0902000003E8 ~-~--> AT+SETCNT=2,1000
36.1	986
40.1	987
36.1	988	=== 3.3.7 Set Workmode ===
	989
37.1	990	Feature: Switch working mode.
36.1	991
	992	(% style="color:blue" %)AT Command: AT+MOD
	993
	994	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	995	\|=(% style="width: 154px;background-color:#D9E2F3" %)Command Example\|=(% style="width: 196px;background-color:#D9E2F3" %)Function\|=(% style="width: 157px;background-color:#D9E2F3" %)Response
	996	\|(% style="width:154px" %)AT+MOD=?\|(% style="width:196px" %)Get the current working mode.\|(% style="width:157px" %)(((
	997	OK
	998	)))
	999	\|(% style="width:154px" %)AT+MOD=4\|(% style="width:196px" %)Set the working mode to 3DS18B20s.\|(% style="width:157px" %)(((
	1000	OK
	1001	Attention:Take effect after ATZ
	1002	)))
	1003
	1004	(% style="color:blue" %)Downlink Command: 0x0A
	1005
	1006	Format: Command Code (0x0A) followed by 1 bytes.
	1007
	1008	* Example 1: Downlink Payload: 0A01 ~-~--> AT+MOD=1
	1009	* Example 2: Downlink Payload: 0A04 ~-~--> AT+MOD=4
	1010
40.1	1011
2.1	1012	= 4. Battery & Power Consumption =
	1013
	1014
11.1	1015	SN50v3-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
2.1	1016
	1017	[[Battery Info & Power Consumption Analyze>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
	1018
	1019
	1020	= 5. OTA Firmware update =
	1021
	1022
	1023	(% class="wikigeneratedid" %)
11.1	1024	User can change firmware SN50v3-LB to:
2.1	1025
	1026	* Change Frequency band/ region.
	1027	* Update with new features.
	1028	* Fix bugs.
	1029
	1030	Firmware and changelog can be downloaded from : [[Firmware download link>>url:https://www.dropbox.com/sh/kwqv57tp6pejias/AAAopYMATh1GM6fZ-VRCLrpDa?dl=0]]
	1031
	1032
	1033	Methods to Update Firmware:
	1034
	1035	* (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/]]
	1036	* 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]].
	1037
	1038	= 6. FAQ =
	1039
17.1	1040	== 6.1 Where can i find source code of SN50v3-LB? ==
2.1	1041
17.1	1042	* [[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].
	1043	* [[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].
2.1	1044
	1045	= 7. Order Info =
	1046
	1047
10.1	1048	Part Number: (% style="color:blue" %)SN50v3-LB-XX-YY
2.1	1049
	1050	(% style="color:red" %)XX(%%): The default frequency band
11.1	1051
2.1	1052	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	1053	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	1054	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	1055	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	1056	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	1057	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	1058	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	1059	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	1060
10.1	1061	(% style="color:red" %)YY: (%%)Hole Option
2.1	1062
10.1	1063	* (% style="color:red" %)12(%%): With M12 waterproof cable hole
	1064	* (% style="color:red" %)16(%%): With M16 waterproof cable hole
	1065	* (% style="color:red" %)20(%%): With M20 waterproof cable hole
	1066	* (% style="color:red" %)NH(%%): No Hole
	1067
2.1	1068	= 8. Packing Info =
	1069
	1070	(% style="color:#037691" %)Package Includes:
	1071
10.1	1072	* SN50v3-LB LoRaWAN Generic Node
2.1	1073
	1074	(% style="color:#037691" %)Dimension and weight:
	1075
	1076	* Device Size: cm
	1077	* Device Weight: g
	1078	* Package Size / pcs : cm
	1079	* Weight / pcs : g
	1080
	1081	= 9. Support =
	1082
	1083
	1084	* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
43.10	1085
41.4	1086	* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.cc>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.cc]]

Wiki source code of SN50v3-LB LoRaWAN Sensor Node User Manual

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