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

Version 123.1 by Mengting Qiu on 2025/04/02 11:20

version	line-number	content
87.2	1
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41.2	3	(% style="text-align:center" %)
87.2	4	[[image:image-20240103095714-2.png]]
2.1	5
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	7
87.2	8
	9
	10
79.3	11	Table of Contents:
2.1	12
	13	{{toc/}}
	14
	15
	16
	17
	18
	19
	20	= 1. Introduction =
	21
87.3	22	== 1.1 What is SN50v3-LB/LS LoRaWAN Generic Node ==
2.1	23
43.2	24
99.2	25	(% style="color:blue" %)SN50V3-LB/LS (%%)LoRaWAN Sensor Node is a Long Range LoRa Sensor Node. It is designed for outdoor use and powered by (% style="color:blue" %) 8500mAh Li/SOCl2 battery(%%) or (% style="color:blue" %)solar powered + Li-ion battery(%%) for long term use.SN50V3-LB/LS 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	26
87.3	27	(% style="color:blue" %)SN50V3-LB/LS 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, and so on.
2.1	28
87.3	29	SN50V3-LB/LS has a powerful (% style="color:blue" %)48Mhz ARM microcontroller with 256KB flash and 64KB RAM(%%). It has (% style="color:blue" %)multiplex I/O pins(%%) to connect to different sensors.
2.1	30
87.3	31	SN50V3-LB/LS has a (% style="color:blue" %)built-in BLE module(%%), user can configure the sensor remotely via Mobile Phone. It also support (% style="color:blue" %)OTA upgrade(%%) via private LoRa protocol for easy maintaining.
2.1	32
87.3	33	SN50V3-LB/LS 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	34
	35	== 1.2 Features ==
	36
43.44	37
2.1	38	* LoRaWAN 1.0.3 Class A
	39	* Ultra-low power consumption
5.1	40	* Open-Source hardware/software
2.1	41	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
	42	* Support Bluetooth v5.1 and LoRaWAN remote configure
	43	* Support wireless OTA update firmware
	44	* Uplink on periodically
	45	* Downlink to change configure
87.26	46	* 8500mAh Li/SOCl2 Battery (SN50v3-LB)
99.2	47	* Solar panel + 3000mAh Li-ion battery (SN50v3-LS)
2.1	48
	49	== 1.3 Specification ==
	50
43.4	51
2.1	52	(% style="color:#037691" %)Common DC Characteristics:
	53
87.28	54	* Supply Voltage: Built-in Battery , 2.5v ~~ 3.6v
2.1	55	* Operating Temperature: -40 ~~ 85°C
	56
5.1	57	(% style="color:#037691" %)I/O Interface:
2.1	58
5.1	59	* Battery output (2.6v ~~ 3.6v depends on battery)
	60	* +5v controllable output
	61	* 3 x Interrupt or Digital IN/OUT pins
	62	* 3 x one-wire interfaces
	63	* 1 x UART Interface
	64	* 1 x I2C Interface
2.1	65
	66	(% style="color:#037691" %)LoRa Spec:
	67
	68	* Frequency Range, Band 1 (HF): 862 ~~ 1020 Mhz
	69	* Max +22 dBm constant RF output vs.
	70	* RX sensitivity: down to -139 dBm.
	71	* Excellent blocking immunity
	72
	73	(% style="color:#037691" %)Battery:
	74
	75	* Li/SOCI2 un-chargeable battery
	76	* Capacity: 8500mAh
	77	* Self-Discharge: <1% / Year @ 25°C
	78	* Max continuously current: 130mA
	79	* Max boost current: 2A, 1 second
	80
	81	(% style="color:#037691" %)Power Consumption
	82
	83	* Sleep Mode: 5uA @ 3.3v
	84	* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
	85
	86	== 1.4 Sleep mode and working mode ==
	87
43.4	88
2.1	89	(% 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.
	90
	91	(% 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.
	92
	93
	94	== 1.5 Button & LEDs ==
	95
	96
87.29	97	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/WebHome/image-20240103160425-4.png?rev=1.1\|\|alt="image-20240103160425-4.png"]]
2.1	98
87.41	99	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
87.31	100	\|=(% style="width: 167px;background-color:#4F81BD;color:white" %)Behavior on ACT\|=(% style="width: 117px;background-color:#4F81BD;color:white" %)Function\|=(% style="width: 226px;background-color:#4F81BD;color:white" %)Action
2.1	101	\|(% style="width:167px" %)Pressing ACT between 1s < time < 3s\|(% style="width:117px" %)Send an uplink\|(% style="width:225px" %)(((
	102	If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)blue led (%%)will blink once.
	103	Meanwhile, BLE module will be active and user can connect via BLE to configure device.
	104	)))
	105	\|(% style="width:167px" %)Pressing ACT for more than 3s\|(% style="width:117px" %)Active Device\|(% style="width:225px" %)(((
	106	(% 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.
	107	(% style="color:green" %)Green led(%%) will solidly turn on for 5 seconds after joined in network.
	108	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.
	109	)))
	110	\|(% 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.
	111
	112	== 1.6 BLE connection ==
	113
	114
87.4	115	SN50v3-LB/LS supports BLE remote configure.
2.1	116
	117
	118	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:
	119
	120	* Press button to send an uplink
	121	* Press button to active device.
	122	* Device Power on or reset.
	123
	124	If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
	125
	126
6.1	127	== 1.7 Pin Definitions ==
2.1	128
	129
49.1	130	[[image:image-20230610163213-1.png\|\|height="404" width="699"]]
2.1	131
	132
	133	== 1.8 Mechanical ==
	134
85.1	135	=== 1.8.1 for LB version ===
2.1	136
	137
99.1	138	[[image:image-20240924112806-1.png\|\|height="548" width="894"]]
2.1	139
84.1	140
2.1	141
85.1	142	=== 1.8.2 for LS version ===
2.1	143
84.1	144	[[image:image-20231231203439-3.png\|\|height="385" width="886"]]
	145
	146
44.5	147	== 1.9 Hole Option ==
5.1	148
43.4	149
87.4	150	SN50v3-LB/LS has different hole size options for different size sensor cable. The options provided are M12, M16 and M20. The definition is as below:
5.1	151
113.2	152	[[image:image-20250329085729-1.jpeg]]
5.1	153
113.2	154	[[image:image-20250329085744-2.jpeg]]
5.1	155
	156
87.4	157	= 2. Configure SN50v3-LB/LS to connect to LoRaWAN network =
2.1	158
	159	== 2.1 How it works ==
	160
	161
87.4	162	The SN50v3-LB/LS 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 SN50v3-LB/LS. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
2.1	163
	164
	165	== 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
	166
	167
	168	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.
	169
44.3	170	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.
2.1	171
113.2	172	[[image:image-20250329090241-3.png]]
2.1	173
87.4	174	(% style="color:blue" %)Step 1:(%%) Create a device in TTN with the OTAA keys from SN50v3-LB/LS.
2.1	175
87.4	176	Each SN50v3-LB/LS is shipped with a sticker with the default device EUI as below:
2.1	177
113.2	178	[[image:image-20250329090300-4.jpeg]]
2.1	179
	180
	181	You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
	182
	183
	184	(% style="color:blue" %)Register the device
	185
117.2	186	[[image:image-20250329090324-5.jpeg]]
2.1	187
	188
	189	(% style="color:blue" %)Add APP EUI and DEV EUI
	190
117.2	191	[[image:image-20250329090341-6.jpeg]]
2.1	192
	193
	194	(% style="color:blue" %)Add APP EUI in the application
	195
	196
117.2	197	[[image:image-20250329090403-7.jpeg]]
2.1	198
	199
	200	(% style="color:blue" %)Add APP KEY
	201
117.2	202	[[image:image-20250329090417-8.jpeg]]
2.1	203
87.4	204	(% style="color:blue" %)Step 2:(%%) Activate SN50v3-LB/LS
2.1	205
87.4	206	Press the button for 5 seconds to activate the SN50v3-LB/LS.
2.1	207
	208	(% 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.
	209
	210	After join success, it will start to upload messages to TTN and you can see the messages in the panel.
	211
	212
	213	== 2.3 Uplink Payload ==
	214
	215	=== 2.3.1 Device Status, FPORT~=5 ===
	216
	217
87.4	218	Users can use the downlink command(0x26 01) to ask SN50v3-LB/LS to send device configure detail, include device configure status. SN50v3-LB/LS will uplink a payload via FPort=5 to server.
2.1	219
	220	The Payload format is as below.
	221
	222
87.41	223	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
87.24	224	\|(% colspan="6" style="background-color:#4f81bd; color:white" %)Device Status (FPORT=5)
2.1	225	\|(% style="width:103px" %)Size (bytes)\|(% style="width:72px" %)1\|2\|(% style="width:91px" %)1\|(% style="width:86px" %)1\|(% style="width:44px" %)2
45.4	226	\|(% 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
2.1	227
	228	Example parse in TTNv3
	229
	230
87.4	231	(% style="color:#037691" %)Sensor Model(%%): For SN50v3-LB/LS, this value is 0x1C
2.1	232
	233	(% style="color:#037691" %)Firmware Version(%%): 0x0100, Means: v1.0.0 version
	234
	235	(% style="color:#037691" %)Frequency Band:
	236
53.2	237	0x01: EU868
2.1	238
53.2	239	0x02: US915
2.1	240
53.2	241	0x03: IN865
2.1	242
53.2	243	0x04: AU915
2.1	244
53.2	245	0x05: KZ865
2.1	246
53.2	247	0x06: RU864
2.1	248
53.2	249	0x07: AS923
2.1	250
53.2	251	0x08: AS923-1
2.1	252
53.2	253	0x09: AS923-2
2.1	254
53.2	255	0x0a: AS923-3
2.1	256
53.2	257	0x0b: CN470
2.1	258
53.2	259	0x0c: EU433
2.1	260
53.2	261	0x0d: KR920
2.1	262
53.2	263	0x0e: MA869
2.1	264
	265
	266	(% style="color:#037691" %)Sub-Band:
	267
	268	AU915 and US915:value 0x00 ~~ 0x08
	269
	270	CN470: value 0x0B ~~ 0x0C
	271
	272	Other Bands: Always 0x00
	273
	274
	275	(% style="color:#037691" %)Battery Info:
	276
	277	Check the battery voltage.
	278
	279	Ex1: 0x0B45 = 2885mV
	280
	281	Ex2: 0x0B49 = 2889mV
	282
	283
12.1	284	=== 2.3.2 Working Modes & Sensor Data. Uplink via FPORT~=2 ===
2.1	285
	286
87.4	287	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.
12.1	288
	289	For example:
	290
44.2	291	(% 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.
12.1	292
	293
13.1	294	(% style="color:red" %) Important Notice:
12.1	295
87.4	296	~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.
12.1	297
44.2	298	2. All modes share the same Payload Explanation from HERE.
43.53	299
44.2	300	3. By default, the device will send an uplink message every 20 minutes.
	301
	302
13.1	303	==== 2.3.2.1 MOD~=1 (Default Mode) ====
12.1	304
43.5	305
12.1	306	In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2.
	307
87.32	308	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
	309	\|(% 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:90px" %)1\|(% style="background-color:#4f81bd; color:white; width:128px" %)2\|(% style="background-color:#4f81bd; color:white; width:79px" %)2
45.4	310	\|Value\|Bat\|(% style="width:191px" %)(((
43.12	311	Temperature(DS18B20)(PC13)
40.1	312	)))\|(% style="width:78px" %)(((
43.12	313	ADC(PA4)
26.2	314	)))\|(% style="width:216px" %)(((
43.13	315	Digital in(PB15)&Digital Interrupt(PA8)
40.1	316	)))\|(% style="width:308px" %)(((
43.12	317	Temperature(SHT20 or SHT31 or BH1750 Illumination Sensor)
40.1	318	)))\|(% style="width:154px" %)(((
43.12	319	Humidity(SHT20 or SHT31)
36.1	320	)))
	321
12.1	322	[[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"]]
	323
	324
13.1	325	==== 2.3.2.2 MOD~=2 (Distance Mode) ====
	326
43.45	327
12.1	328	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.
	329
87.34	330	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
87.33	331	\|(% style="background-color:#4f81bd; color:white; width:50px" %)Size(bytes)\|(% style="background-color:#4f81bd; color:white; width:29px" %)2\|(% style="background-color:#4f81bd; color:white; width:108px" %)2\|(% style="background-color:#4f81bd; color:white; width:40px" %)2\|(% style="background-color:#4f81bd; color:white; width:110px" %)1\|(% style="background-color:#4f81bd; color:white; width:140px" %)2\|(% style="background-color:#4f81bd; color:white; width:40px" %)2
45.4	332	\|Value\|BAT\|(% style="width:196px" %)(((
43.16	333	Temperature(DS18B20)(PC13)
40.1	334	)))\|(% style="width:87px" %)(((
43.16	335	ADC(PA4)
40.1	336	)))\|(% style="width:189px" %)(((
43.16	337	Digital in(PB15) & Digital Interrupt(PA8)
40.1	338	)))\|(% style="width:208px" %)(((
53.2	339	Distance measure by: 1) LIDAR-Lite V3HP
	340	Or 2) Ultrasonic Sensor
40.1	341	)))\|(% style="width:117px" %)Reserved
12.1	342
	343	[[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"]]
	344
43.45	345
43.17	346	(% style="color:blue" %)Connection of LIDAR-Lite V3HP:
12.1	347
26.2	348	[[image:image-20230512173758-5.png\|\|height="563" width="712"]]
12.1	349
43.45	350
43.17	351	(% style="color:blue" %)Connection to Ultrasonic Sensor:
12.1	352
44.1	353	(% style="color:red" %)Need to remove R1 and R2 resistors to get low power,otherwise there will be 240uA standby current.
36.1	354
26.2	355	[[image:image-20230512173903-6.png\|\|height="596" width="715"]]
12.1	356
43.45	357
12.1	358	For the connection to TF-Mini or TF-Luna , MOD2 payload is as below:
	359
87.34	360	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
	361	\|(% 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:100px" %)1\|(% style="background-color:#4f81bd; color:white; width:50px" %)2\|(% style="background-color:#4f81bd; color:white; width:120px" %)2\|(% style="background-color:#4f81bd; color:white; width:77px" %)2
45.5	362	\|Value\|BAT\|(% style="width:183px" %)(((
43.19	363	Temperature(DS18B20)(PC13)
40.1	364	)))\|(% style="width:173px" %)(((
43.19	365	Digital in(PB15) & Digital Interrupt(PA8)
40.1	366	)))\|(% style="width:84px" %)(((
43.19	367	ADC(PA4)
40.1	368	)))\|(% style="width:323px" %)(((
12.1	369	Distance measure by:1)TF-Mini plus LiDAR
53.3	370	Or 2) TF-Luna LiDAR
40.1	371	)))\|(% style="width:188px" %)Distance signal strength
12.1	372
	373	[[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"]]
	374
43.45	375
12.1	376	Connection to [[TF-Mini plus>>url:http://en.benewake.com/product/detail/5c345cd0e5b3a844c472329b.html]] LiDAR(UART version):
	377
44.1	378	(% style="color:red" %)Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.
12.1	379
26.2	380	[[image:image-20230512180609-7.png\|\|height="555" width="802"]]
12.1	381
43.45	382
12.1	383	Connection to [[TF-Luna>>url:http://en.benewake.com/product/detail/5e1c1fd04d839408076b6255.html]] LiDAR (UART version):
	384
44.1	385	(% style="color:red" %)Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.
12.1	386
52.1	387	[[image:image-20230610170047-1.png\|\|height="452" width="799"]]
12.1	388
	389
13.1	390	==== 2.3.2.3 MOD~=3 (3 ADC + I2C) ====
	391
43.45	392
12.1	393	This mode has total 12 bytes. Include 3 x ADC + 1x I2C
	394
87.35	395	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
87.11	396	\|=(% style="width: 50px;background-color:#4F81BD;color:white" %)(((
43.25	397	Size(bytes)
87.35	398	)))\|=(% style="width: 50px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 50px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 50px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 90px;background-color:#4F81BD;color:white" %)1\|=(% style="width: 110px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 97px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 20px;background-color:#4F81BD;color:white" %)1
45.4	399	\|Value\|(% style="width:68px" %)(((
43.23	400	ADC1(PA4)
26.2	401	)))\|(% style="width:75px" %)(((
43.23	402	ADC2(PA5)
36.1	403	)))\|(((
43.23	404	ADC3(PA8)
36.1	405	)))\|(((
	406	Digital Interrupt(PB15)
	407	)))\|(% style="width:304px" %)(((
43.23	408	Temperature(SHT20 or SHT31 or BH1750 Illumination Sensor)
36.1	409	)))\|(% style="width:163px" %)(((
43.23	410	Humidity(SHT20 or SHT31)
36.1	411	)))\|(% style="width:53px" %)Bat
	412
	413	[[image:image-20230513110214-6.png]]
	414
	415
13.1	416	==== 2.3.2.4 MOD~=4 (3 x DS18B20) ====
	417
12.1	418
26.2	419	This mode has total 11 bytes. As shown below:
12.1	420
87.36	421	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
	422	\|(% 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:99px" %)1\|(% style="background-color:#4f81bd; color:white; width:99px" %)2\|(% style="background-color:#4f81bd; color:white; width:99px" %)2
45.4	423	\|Value\|BAT\|(% style="width:186px" %)(((
43.27	424	Temperature1(DS18B20)(PC13)
26.2	425	)))\|(% style="width:82px" %)(((
43.27	426	ADC(PA4)
26.2	427	)))\|(% style="width:210px" %)(((
43.27	428	Digital in(PB15) & Digital Interrupt(PA8)
26.2	429	)))\|(% style="width:191px" %)Temperature2(DS18B20)
43.27	430	(PB9)\|(% style="width:183px" %)Temperature3(DS18B20)(PB8)
12.1	431
	432	[[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"]]
	433
44.4	434
39.2	435	[[image:image-20230513134006-1.png\|\|height="559" width="736"]]
12.1	436
39.1	437
13.1	438	==== 2.3.2.5 MOD~=5(Weight Measurement by HX711) ====
	439
43.45	440
26.2	441	[[image:image-20230512164658-2.png\|\|height="532" width="729"]]
12.1	442
	443	Each HX711 need to be calibrated before used. User need to do below two steps:
	444
44.2	445	1. Zero calibration. Don't put anything on load cell and run (% style="color:blue" %)AT+WEIGRE(%%) to calibrate to Zero gram.
	446	1. Adjust calibration factor (default value 400): Put a known weight thing on load cell and run (% style="color:blue" %)AT+WEIGAP(%%) to adjust the Calibration Factor.
12.1	447	1. (((
26.2	448	Weight has 4 bytes, the unit is g.
43.53	449
	450
	451
12.1	452	)))
	453
	454	For example:
	455
44.2	456	(% style="color:blue" %)AT+GETSENSORVALUE =0
12.1	457
	458	Response: Weight is 401 g
	459
	460	Check the response of this command and adjust the value to match the real value for thing.
	461
87.37	462	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
87.11	463	\|=(% style="width: 50px;background-color:#4F81BD;color:white" %)(((
12.1	464	Size(bytes)
87.37	465	)))\|=(% style="width: 20px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 150px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 50px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 198px;background-color:#4F81BD;color:white" %)1\|=(% style="width: 49px;background-color:#4F81BD;color:white" %)4
45.4	466	\|Value\|BAT\|(% style="width:193px" %)(((
43.55	467	Temperature(DS18B20)(PC13)
40.1	468	)))\|(% style="width:85px" %)(((
43.31	469	ADC(PA4)
40.1	470	)))\|(% style="width:186px" %)(((
43.55	471	Digital in(PB15) & Digital Interrupt(PA8)
40.1	472	)))\|(% style="width:100px" %)Weight
26.2	473
12.1	474	[[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"]]
	475
	476
13.1	477	==== 2.3.2.6 MOD~=6 (Counting Mode) ====
	478
43.45	479
12.1	480	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.
	481
	482	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.
	483
26.2	484	[[image:image-20230512181814-9.png\|\|height="543" width="697"]]
12.1	485
43.53	486
43.45	487	(% 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	488
87.38	489	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
	490	\|=(% style="width: 60px;background-color:#4F81BD;color:white" %)Size(bytes)\|=(% style="width: 40px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 180px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 60px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 100px;background-color:#4F81BD;color:white" %)1\|=(% style="width: 77px;background-color:#4F81BD;color:white" %)4
45.4	491	\|Value\|BAT\|(% style="width:256px" %)(((
43.31	492	Temperature(DS18B20)(PC13)
36.1	493	)))\|(% style="width:108px" %)(((
43.31	494	ADC(PA4)
36.1	495	)))\|(% style="width:126px" %)(((
43.31	496	Digital in(PB15)
36.1	497	)))\|(% style="width:145px" %)(((
43.31	498	Count(PA8)
36.1	499	)))
	500
12.1	501	[[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"]]
	502
	503
13.1	504	==== 2.3.2.7 MOD~=7 (Three interrupt contact modes) ====
	505
43.45	506
87.39	507	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
87.11	508	\|=(% style="width: 50px;background-color:#4F81BD;color:white" %)(((
12.1	509	Size(bytes)
87.39	510	)))\|=(% style="width: 20px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 90px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 50px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 89px;background-color:#4F81BD;color:white" %)1\|=(% style="width: 89px;background-color:#4F81BD;color:white" %)1\|=(% style="width: 89px;background-color:#4F81BD;color:white" %)1\|=(% style="width: 40px;background-color:#4F81BD;color:white" %)2
45.4	511	\|Value\|BAT\|(% style="width:188px" %)(((
36.1	512	Temperature(DS18B20)
	513	(PC13)
40.1	514	)))\|(% style="width:83px" %)(((
43.35	515	ADC(PA5)
40.1	516	)))\|(% style="width:184px" %)(((
36.1	517	Digital Interrupt1(PA8)
40.1	518	)))\|(% style="width:186px" %)Digital Interrupt2(PA4)\|(% style="width:197px" %)Digital Interrupt3(PB15)\|(% style="width:100px" %)Reserved
36.1	519
	520	[[image:image-20230513111203-7.png\|\|height="324" width="975"]]
	521
43.45	522
13.1	523	==== 2.3.2.8 MOD~=8 （3ADC+1DS18B20） ====
	524
43.45	525
87.39	526	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
87.11	527	\|=(% style="width: 50px;background-color:#4F81BD;color:white" %)(((
12.1	528	Size(bytes)
87.39	529	)))\|=(% style="width: 30px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 110px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 70px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 119px;background-color:#4F81BD;color:white" %)1\|=(% style="width: 69px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 69px;background-color:#4F81BD;color:white" %)2
45.4	530	\|Value\|BAT\|(% style="width:207px" %)(((
36.1	531	Temperature(DS18B20)
	532	(PC13)
	533	)))\|(% style="width:94px" %)(((
43.36	534	ADC1(PA4)
36.1	535	)))\|(% style="width:198px" %)(((
	536	Digital Interrupt(PB15)
	537	)))\|(% style="width:84px" %)(((
43.36	538	ADC2(PA5)
40.1	539	)))\|(% style="width:82px" %)(((
43.36	540	ADC3(PA8)
12.1	541	)))
	542
36.1	543	[[image:image-20230513111231-8.png\|\|height="335" width="900"]]
12.1	544
	545
13.1	546	==== 2.3.2.9 MOD~=9 (3DS18B20+ two Interrupt count mode) ====
	547
43.45	548
87.40	549	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
87.11	550	\|=(% style="width: 50px;background-color:#4F81BD;color:white" %)(((
12.1	551	Size(bytes)
87.40	552	)))\|=(% style="width: 20px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 90px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 90px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 60px;background-color:#4F81BD;color:white" %)1\|=(% style="width: 89px;background-color:#4F81BD;color:white" %)2\|=(% style="width: 59px;background-color:#4F81BD;color:white" %)4\|=(% style="width: 59px;background-color:#4F81BD;color:white" %)4
45.4	553	\|Value\|BAT\|(((
43.58	554	Temperature
	555	(DS18B20)(PC13)
12.1	556	)))\|(((
43.58	557	Temperature2
	558	(DS18B20)(PB9)
12.1	559	)))\|(((
36.1	560	Digital Interrupt
	561	(PB15)
	562	)))\|(% style="width:193px" %)(((
43.58	563	Temperature3
	564	(DS18B20)(PB8)
36.1	565	)))\|(% style="width:78px" %)(((
43.39	566	Count1(PA8)
36.1	567	)))\|(% style="width:78px" %)(((
43.39	568	Count2(PA4)
12.1	569	)))
	570
36.1	571	[[image:image-20230513111255-9.png\|\|height="341" width="899"]]
12.1	572
43.40	573	(% style="color:blue" %)The newly added AT command is issued correspondingly:
12.1	574
43.44	575	(% style="color:#037691" %) AT+INTMOD1 PA8(%%) pin： Corresponding downlink: (% style="color:#037691" %)06 00 00 xx
12.1	576
43.44	577	(% style="color:#037691" %) AT+INTMOD2 PA4(%%) pin： Corresponding downlink: (% style="color:#037691" %)06 00 01 xx
12.1	578
43.44	579	(% style="color:#037691" %) AT+INTMOD3 PB15(%%) pin： Corresponding downlink: (% style="color:#037691" %) 06 00 02 xx
12.1	580
	581
43.41	582	(% style="color:blue" %)AT+SETCNT=aa,bb
	583
36.1	584	When AA is 1, set the count of PA8 pin to BB Corresponding downlink：09 01 bb bb bb bb
12.1	585
36.1	586	When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
12.1	587
	588
87.10	589	==== 2.3.2.10 MOD~=10 (PWM input capture and output mode，Since firmware v1.2)(% style="display:none" %) (%%) ====
65.1	590
87.10	591
74.8	592	(% style="color:red" %)Note: Firmware not release, contact Dragino for testing.
74.3	593
65.1	594	In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
	595
74.3	596	[[It should be noted when using PWM mode.>>\|\|anchor="H2.3.3.12A0PWMMOD"]]
65.1	597
69.1	598
65.1	599	===== 2.3.2.10.a Uplink, PWM input capture =====
	600
74.3	601
65.1	602	[[image:image-20230817172209-2.png\|\|height="439" width="683"]]
	603
87.40	604	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
87.24	605	\|(% 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
65.1	606	\|Value\|Bat\|(% style="width:191px" %)(((
	607	Temperature(DS18B20)(PC13)
	608	)))\|(% style="width:78px" %)(((
	609	ADC(PA4)
	610	)))\|(% style="width:135px" %)(((
	611	PWM_Setting
	612	&Digital Interrupt(PA8)
	613	)))\|(% style="width:70px" %)(((
	614	Pulse period
	615	)))\|(% style="width:89px" %)(((
	616	Duration of high level
	617	)))
	618
	619	[[image:image-20230817170702-1.png\|\|height="161" width="1044"]]
	620
	621
72.1	622	When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
65.1	623
117.3	624	Frequency:
65.1	625
72.1	626	(% class="MsoNormal" %)
117.3	627	(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)AT+PWMSET(%%)=0, (% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period(HZ);
65.1	628
72.1	629	(% class="MsoNormal" %)
117.3	630	(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)AT+PWMSET(%%)=1, (% lang="EN-US" %)Frequency= 1000/(%%)Pulse period(HZ);
72.1	631
74.4	632
72.1	633	(% class="MsoNormal" %)
74.4	634	Duty cycle:
72.1	635
	636	Duty cycle= Duration of high level/ Pulse period*100 ~(%).
	637
	638	[[image:image-20230818092200-1.png\|\|height="344" width="627"]]
	639
87.10	640
77.1	641	===== 2.3.2.10.b Uplink, PWM output =====
72.1	642
87.10	643
77.1	644	[[image:image-20230817172209-2.png\|\|height="439" width="683"]]
65.1	645
79.1	646	(% 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
74.3	647
79.1	648	a is the time delay of the output, the unit is ms.
75.1	649
79.1	650	b is the output frequency, the unit is HZ.
75.1	651
79.1	652	c is the duty cycle of the output, the unit is %.
75.1	653
79.1	654	(% 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" %)Downlink(%%): (% style="color:#037691" %)0B 01 bb cc aa
75.1	655
79.1	656	aa is the time delay of the output, the unit is ms.
	657
	658	bb is the output frequency, the unit is HZ.
	659
	660	cc is the duty cycle of the output, the unit is %.
	661
	662
	663	For example, send a AT command: AT+PWMOUT=65535,1000,50 The PWM is always out, the frequency is 1000HZ, and the duty cycle is 50.
	664
	665	The oscilloscope displays as follows:
	666
87.10	667	[[image:image-20231213102404-1.jpeg\|\|height="688" width="821"]]
79.1	668
	669
75.1	670	===== 2.3.2.10.c Downlink, PWM output =====
	671
	672
65.1	673	[[image:image-20230817173800-3.png\|\|height="412" width="685"]]
	674
	675	Downlink: (% style="color:#037691" %)0B xx xx xx yy zz zz
	676
	677	xx xx xx is the output frequency, the unit is HZ.
	678
	679	yy is the duty cycle of the output, the unit is %.
	680
	681	zz zz is the time delay of the output, the unit is ms.
	682
	683
	684	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.
	685
	686	The oscilloscope displays as follows:
	687
87.10	688	[[image:image-20230817173858-5.png\|\|height="634" width="843"]]
65.1	689
	690
89.1	691
102.1	692	==== 2.3.2.11 MOD~=11 (TEMP117)(Since firmware V1.3.0) ====
89.1	693
	694
	695	In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2.
	696
	697	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
	698	\|(% 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:90px" %)1\|(% style="background-color:#4f81bd; color:white; width:128px" %)2\|(% style="background-color:#4f81bd; color:white; width:79px" %)2
	699	\|Value\|Bat\|(% style="width:191px" %)(((
	700	Temperature(DS18B20)(PC13)
	701	)))\|(% style="width:78px" %)(((
	702	ADC(PA4)
	703	)))\|(% style="width:216px" %)(((
	704	Digital in(PB15)&Digital Interrupt(PA8)
	705	)))\|(% style="width:308px" %)(((
96.1	706	Temperature
	707	(TEMP117)
89.1	708	)))\|(% style="width:154px" %)(((
96.1	709	Reserved position, meaningless
	710	(0x0000)
89.1	711	)))
	712
96.1	713	[[image:image-20240717113113-1.png\|\|height="352" width="793"]]
89.1	714
96.1	715	Connection:
89.1	716
96.1	717	[[image:image-20240717141528-2.jpeg\|\|height="430" width="654"]]
89.1	718
	719
102.1	720	==== 2.3.2.12 MOD~=12 (Count+SHT31)(Since firmware V1.3.1) ====
89.1	721
	722
96.1	723	This mode has total 11 bytes. As shown below:
	724
	725	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:517px" %)
	726	\|=(% style="width: 86px; background-color: rgb(79, 129, 189); color: white;" %)Size(bytes)\|=(% style="width: 86px; background-color: rgb(79, 129, 189); color: white;" %)2\|=(% style="width: 86px; background-color: rgb(79, 129, 189); color: white;" %)2\|=(% style="width: 86px; background-color: rgb(79, 129, 189); color: white;" %)2\|=(% style="width: 86px; background-color: rgb(79, 129, 189); color: white;" %)1\|=(% style="width: 86px; background-color: rgb(79, 129, 189); color: white;" %)4
	727	\|Value\|BAT\|(% style="width:86px" %)(((
97.1	728	Temperature_SHT31
96.1	729	)))\|(% style="width:86px" %)(((
97.1	730	Humidity_SHT31
96.1	731	)))\|(% style="width:86px" %)(((
	732	Digital in(PB15)
	733	)))\|(% style="width:86px" %)(((
	734	Count(PA8)
	735	)))
	736
	737	[[image:image-20240717150948-5.png\|\|height="389" width="979"]]
	738
	739	Wiring example:
	740
	741	[[image:image-20240717152224-6.jpeg\|\|height="359" width="680"]]
	742
	743
14.1	744	=== 2.3.3 Decode payload ===
	745
43.45	746
12.1	747	While using TTN V3 network, you can add the payload format to decode the payload.
	748
	749	[[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"]]
	750
	751	The payload decoder function for TTN V3 are here:
	752
87.4	753	SN50v3-LB/LS TTN V3 Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
12.1	754
	755
14.1	756	==== 2.3.3.1 Battery Info ====
2.1	757
43.45	758
87.4	759	Check the battery voltage for SN50v3-LB/LS.
2.1	760
	761	Ex1: 0x0B45 = 2885mV
	762
	763	Ex2: 0x0B49 = 2889mV
	764
	765
14.1	766	==== 2.3.3.2 Temperature (DS18B20) ====
2.1	767
43.45	768
42.1	769	If there is a DS18B20 connected to PC13 pin. The temperature will be uploaded in the payload.
2.1	770
43.45	771	More DS18B20 can check the [[3 DS18B20 mode>>\|\|anchor="H2.3.2.4MOD3D4283xDS18B2029"]]
14.1	772
43.41	773	(% style="color:blue" %)Connection:
14.1	774
26.2	775	[[image:image-20230512180718-8.png\|\|height="538" width="647"]]
14.1	776
43.46	777
43.41	778	(% style="color:blue" %)Example:
2.1	779
	780	If payload is: 0105H: (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
	781
	782	If payload is: FF3FH : (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	783
117.4	784	(FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
2.1	785
	786
14.1	787	==== 2.3.3.3 Digital Input ====
2.1	788
43.46	789
26.2	790	The digital input for pin PB15,
2.1	791
26.2	792	* When PB15 is high, the bit 1 of payload byte 6 is 1.
	793	* When PB15 is low, the bit 1 of payload byte 6 is 0.
2.1	794
26.2	795	(% class="wikigeneratedid" id="H2.3.3.4A0AnalogueDigitalConverter28ADC29" %)
	796	(((
36.1	797	When the digital interrupt pin is set to AT+INTMODx=0, this pin is used as a digital input pin.
	798
43.46	799	(% style="color:red" %)Note: The maximum voltage input supports 3.6V.
	800
	801
26.2	802	)))
	803
14.1	804	==== 2.3.3.4 Analogue Digital Converter (ADC) ====
2.1	805
43.46	806
53.1	807	The measuring range of the ADC is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
2.1	808
53.1	809	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.
14.1	810
26.2	811	[[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	812
44.2	813
43.46	814	(% 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	815
43.1	816
59.1	817	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.
	818
	819	[[image:image-20230811113449-1.png\|\|height="370" width="608"]]
	820
87.10	821
	822
14.1	823	==== 2.3.3.5 Digital Interrupt ====
	824
43.46	825
87.4	826	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.
14.1	827
43.44	828	(% style="color:blue" %) Interrupt connection method:
14.1	829
36.1	830	[[image:image-20230513105351-5.png\|\|height="147" width="485"]]
14.1	831
43.46	832
43.8	833	(% style="color:blue" %)Example to use with door sensor :
14.1	834
	835	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.
	836
	837	[[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"]]
	838
87.4	839	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 SN50v3-LB/LS interrupt interface to detect the status for the door or window.
14.1	840
	841
43.46	842	(% style="color:blue" %)Below is the installation example:
	843
87.4	844	Fix one piece of the magnetic sensor to the door and connect the two pins to SN50v3-LB/LS as follows:
14.1	845
	846	* (((
87.4	847	One pin to SN50v3-LB/LS's PA8 pin
14.1	848	)))
	849	* (((
87.4	850	The other pin to SN50v3-LB/LS's VDD pin
14.1	851	)))
	852
36.1	853	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	854
43.46	855	Door sensors have two types: (% style="color:blue" %) NC (Normal close)(%%) and (% style="color:blue" %)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.
14.1	856
36.1	857	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	858
	859	[[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"]]
	860
	861	The above photos shows the two parts of the magnetic switch fitted to a door.
	862
	863	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.
	864
	865	The command is:
	866
44.2	867	(% 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	868
	869	Below shows some screen captures in TTN V3:
	870
	871	[[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"]]
	872
43.47	873
122.1	874	(% style="color:blue" %)Application in different modes:
14.1	875
122.1	876	* In MOD=1, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below:
14.1	877
122.1	878	door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
14.1	879
122.1	880
	881	* In MOD=7, there are three interrupt pins in effect.
	882
123.1	883	See the [[AT+INTMODx>>\|\|anchor="H3.3.3SetInterruptMode"]] command explained to set the three pin interrupt modes.
122.1	884
	885	As you can see from the byte parsing table of pattern 7, the seventh byte of the original load is used to display the PA8 pin interrupt flag and status, the eighth byte of the original load is used to display the PA4 pin interrupt flag and status, and the ninth byte of the original load is used to display the PB15 pin interrupt flag and status.
	886
	887	[[image:image-20250402103902-1.png]]
	888
	889	TTN V3 decoder is as below:
	890
	891	[[image:image-20250402104508-2.png\|\|height="255" width="579"]]
	892
	893	(% style="color:red" %)Note: mode in decoding is sorted from 0, so it corresponds to the actual working mode AT+MOD=7.
	894
	895
	896	(% style="color:#037691" %)Interrupt flag: (%%)"EXTI1/2/3_Trigger", indicates whether the uplink packet is generated by an interrupt on the PA8/PA4/PB15 pin.
	897
	898
	899	(% style="color:#037691" %)Interrupt status: (%%)"EXTI1/2/3_Status", Displays the status of the interrupt sensors connected to the PA4/PA8/PB15 interrupt pins when the packet is uplinked.
	900
	901
26.2	902	==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ====
14.1	903
43.47	904
26.2	905	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	906
40.1	907	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	908
87.4	909	(% style="color:red" %)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 SN50v3-LB/LS will be a good reference.
14.1	910
44.2	911
14.1	912	Below is the connection to SHT20/ SHT31. The connection is as below:
	913
52.1	914	[[image:image-20230610170152-2.png\|\|height="501" width="846"]]
36.1	915
44.4	916
14.1	917	The device will be able to get the I2C sensor data now and upload to IoT Server.
	918
	919	[[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"]]
	920
	921	Convert the read byte to decimal and divide it by ten.
	922
2.1	923	Example:
	924
14.1	925	Temperature: Read:0116(H) = 278(D) Value: 278 /10=27.8℃;
2.1	926
14.1	927	Humidity: Read:0248(H)=584(D) Value: 584 / 10=58.4, So 58.4%
2.1	928
14.1	929	If you want to use other I2C device, please refer the SHT20 part source code as reference.
2.1	930
	931
14.1	932	==== 2.3.3.7 Distance Reading ====
2.1	933
43.48	934
43.42	935	Refer [[Ultrasonic Sensor section>>\|\|anchor="H2.3.3.8UltrasonicSensor"]].
14.1	936
	937
	938	==== 2.3.3.8 Ultrasonic Sensor ====
	939
43.48	940
26.2	941	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	942
87.4	943	The SN50v3-LB/LS 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	944
43.44	945	The working principle of this sensor is similar to the (% style="color:blue" %)HC-SR04(%%) ultrasonic sensor.
36.1	946
14.1	947	The picture below shows the connection:
	948
36.1	949	[[image:image-20230512173903-6.png\|\|height="596" width="715"]]
14.1	950
43.50	951
87.4	952	Connect to the SN50v3-LB/LS and run (% style="color:blue" %)AT+MOD=2(%%) to switch to ultrasonic mode (ULT).
14.1	953
	954	The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value.
	955
	956	Example:
	957
	958	Distance: Read: 0C2D(Hex) = 3117(D) Value: 3117 mm=311.7 cm
	959
	960
	961	==== 2.3.3.9 Battery Output - BAT pin ====
	962
43.50	963
87.4	964	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.
14.1	965
	966
	967	==== 2.3.3.10 +5V Output ====
	968
43.50	969
87.4	970	SN50v3-LB/LS will enable +5V output before all sampling and disable the +5v after all sampling.
14.1	971
	972	The 5V output time can be controlled by AT Command.
	973
43.9	974	(% style="color:blue" %)AT+5VT=1000
14.1	975
	976	Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.
	977
44.4	978	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.
14.1	979
	980
	981	==== 2.3.3.11 BH1750 Illumination Sensor ====
	982
43.50	983
14.1	984	MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes.
	985
40.1	986	[[image:image-20230512172447-4.png\|\|height="416" width="712"]]
14.1	987
43.51	988
40.1	989	[[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	990
	991
65.1	992	==== 2.3.3.12 PWM MOD ====
14.1	993
43.51	994
69.1	995	* (((
	996	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.
	997	)))
	998	* (((
	999	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:
	1000	)))
	1001
	1002	[[image:image-20230817183249-3.png\|\|height="320" width="417"]]
	1003
	1004	* (((
	1005	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.
	1006	)))
	1007	* (((
74.2	1008	Since the device can only detect a pulse period of 50ms when [[AT+PWMSET=0>>\|\|anchor="H3.3.8PWMsetting"]] (counting in microseconds), it is necessary to change the value of PWMSET according to the frequency of input capture.
74.8	1009	)))
	1010	* (((
76.1	1011	PWM Input allows low power consumption. PWM Output to achieve real-time control, you need to go to class C. Power consumption will not be low.
70.1	1012
74.8	1013	For PWM Output Feature, there are two consideration to see if the device can be powered by battery or have to be powered by external DC.
74.5	1014
87.4	1015	a) If real-time control output is required, the SN50v3-LB/LS is already operating in class C and an external power supply must be used.
74.8	1016
76.1	1017	b) If the output duration is more than 30 seconds, better to use external power source.
118.1	1018
	1019
	1020
87.4	1021	)))
74.8	1022
65.1	1023	==== 2.3.3.13 Working MOD ====
	1024
	1025
14.1	1026	The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
	1027
	1028	User can use the 3^^rd^^ ~~ 7^^th^^ bit of this byte to see the working mod:
	1029
	1030	Case 7^^th^^ Byte >> 2 & 0x1f:
	1031
	1032	* 0: MOD1
	1033	* 1: MOD2
	1034	* 2: MOD3
	1035	* 3: MOD4
	1036	* 4: MOD5
	1037	* 5: MOD6
36.1	1038	* 6: MOD7
	1039	* 7: MOD8
	1040	* 8: MOD9
65.1	1041	* 9: MOD10
14.1	1042
2.1	1043	== 2.4 Payload Decoder file ==
	1044
	1045
	1046	In TTN, use can add a custom payload so it shows friendly reading
	1047
	1048	In the page (% style="color:#037691" %)Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder(%%) to add the decoder from:
	1049
40.1	1050	[[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	1051
	1052
15.1	1053	== 2.5 Frequency Plans ==
2.1	1054
	1055
87.30	1056	The SN50v3-LB/LS uses OTAA mode and below frequency plans by default. Each frequency band use different firmware, user update the firmware to the corresponding band for their country.
2.1	1057
	1058	[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
	1059
	1060
87.4	1061	= 3. Configure SN50v3-LB/LS =
2.1	1062
	1063	== 3.1 Configure Methods ==
	1064
	1065
87.4	1066	SN50v3-LB/LS supports below configure method:
2.1	1067
	1068	* AT Command via Bluetooth Connection (Recommended): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
	1069	* 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]].
	1070	* LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
	1071
	1072	== 3.2 General Commands ==
	1073
	1074
	1075	These commands are to configure:
	1076
	1077	* General system settings like: uplink interval.
	1078	* LoRaWAN protocol & radio related command.
	1079
	1080	They are same for all Dragino Devices which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
	1081
	1082	[[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/]]
	1083
	1084
87.4	1085	== 3.3 Commands special design for SN50v3-LB/LS ==
2.1	1086
	1087
87.4	1088	These commands only valid for SN50v3-LB/LS, as below:
2.1	1089
	1090
	1091	=== 3.3.1 Set Transmit Interval Time ===
	1092
43.51	1093
2.1	1094	Feature: Change LoRaWAN End Node Transmit Interval.
	1095
	1096	(% style="color:blue" %)AT Command: AT+TDC
	1097
	1098	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
87.11	1099	\|=(% style="width: 156px;background-color:#4F81BD;color:white" %)Command Example\|=(% style="width: 137px;background-color:#4F81BD;color:white" %)Function\|=(% style="background-color:#4F81BD;color:white" %)Response
2.1	1100	\|(% style="width:156px" %)AT+TDC=?\|(% style="width:137px" %)Show current transmit Interval\|(((
	1101	30000
	1102	OK
	1103	the interval is 30000ms = 30s
	1104	)))
	1105	\|(% style="width:156px" %)AT+TDC=60000\|(% style="width:137px" %)Set Transmit Interval\|(((
	1106	OK
	1107	Set transmit interval to 60000ms = 60 seconds
	1108	)))
	1109
	1110	(% style="color:blue" %)Downlink Command: 0x01
	1111
	1112	Format: Command Code (0x01) followed by 3 bytes time value.
	1113
	1114	If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
	1115
	1116	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	1117	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	1118
	1119	=== 3.3.2 Get Device Status ===
	1120
43.52	1121
40.1	1122	Send a LoRaWAN downlink to ask the device to send its status.
2.1	1123
44.4	1124	(% style="color:blue" %)Downlink Payload: 0x26 01
2.1	1125
44.4	1126	Sensor will upload Device Status via FPORT=5. See payload section for detail.
2.1	1127
	1128
36.1	1129	=== 3.3.3 Set Interrupt Mode ===
2.1	1130
43.52	1131
109.1	1132	==== 3.3.3.1 Before V1.3.4 firmware ====
107.2	1133
109.1	1134	(% style="color:red" %)Note: Before V1.3.4 firmware, the interrupt function of PA8,PA4,PB15 had only one parameter to set, which was used to set the interrupt trigger mode.
107.2	1135
107.1	1136	Feature, Set Interrupt mode for PA8, PA4, PB15.
2.1	1137
103.1	1138	Before using the interrupt function of the INT pin, users can set the interrupt triggering mode as required.
2.1	1139
108.1	1140	(% style="color:#037691" %)AT Command:(% style="color:blue" %) (% style="color:#4472c4" %)AT+INTMODx=a
36.1	1141
103.1	1142	(% style="color:#4472c4" %)AT+INTMODx:
2.1	1143
107.1	1144	* (% style="color:#4472c4" %)AT+INTMOD1 (%%)~/~/ Set the interrupt mode for (% style="background-color:yellow" %) PA8(%%) pin.
	1145	* (% style="color:#4472c4" %)AT+INTMOD2 (%%)~/~/ Set the interrupt mode for (% style="background-color:yellow" %) PA4(%%) pin.
	1146	* (% style="color:#4472c4" %)AT+INTMOD3 (%%)~/~/ Set the interrupt mode for (% style="background-color:yellow" %) PB15(%%) pin.
103.1	1147
108.1	1148	Parameter a setting:
103.1	1149
	1150	* 0: Disable Interrupt
	1151	* 1: Trigger by rising and falling edge
	1152	* 2: Trigger by falling edge
	1153	* 3: Trigger by rising edge
	1154
	1155	Example:
	1156
107.1	1157	* AT+INTMOD1=0 ~/~/Disable the PA8 pin interrupt function
	1158	* AT+INTMOD2=2 ~/~/Set the interrupt of the PA4 pin to be triggered by the falling edge
	1159	* AT+INTMOD3=3 ~/~/Set the interrupt of the PB15 pin to be triggered by the rising edge
103.1	1160
	1161	(% style="color:#037691" %)Downlink Command:(% style="color:blue" %) (% style="color:#4472c4" %)0x06 00 aa bb
	1162
108.1	1163	Format: Command Code (0x06 00) followed by 2 bytes.
2.1	1164
107.1	1165	(% style="color:#4472c4" %)aa:(%%) Set the corresponding pin. ((% style="background-color:yellow" %)00(%%): PA8 Pin; (% style="background-color:yellow" %)01(%%): PA4 Pin; (% style="background-color:yellow" %)02(%%): PB15 Pin.)
2.1	1166
103.1	1167	(% style="color:#4472c4" %)bb: (%%)Set interrupt mode. ((% style="background-color:yellow" %)00(%%) Disable, (% style="background-color:yellow" %)01(%%) falling or rising, (% style="background-color:yellow" %)02(%%) falling, (% style="background-color:yellow" %)03(%%) rising)
2.1	1168
103.1	1169	Example:
	1170
	1171	* Downlink Payload: 06 00 00 01 ~/~/ Equal to AT+INTMOD1=1
	1172	* Downlink Payload: 06 00 01 02 ~/~/ Equal to AT+INTMOD2=2
	1173	* Downlink Payload: 06 00 02 03 ~/~/ Equal to AT+INTMOD3=3
	1174
109.1	1175	==== 3.3.3.2 Since V1.3.4 firmware ====
107.2	1176
109.1	1177	(% style="color:red" %)Note: Since V1.3.4 firmware, the Interrupt function has added a new parameter to set the delay time, i.e. the state hold time.
107.2	1178
108.1	1179	(% style="color:#037691" %)AT Command:(% style="color:blue" %) (% style="color:#4472c4" %)AT+INTMODx=a,b
107.2	1180
117.4	1181	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:420px" %)
	1182	\|=(% style="width: 116px; background-color: rgb(79, 129, 189); color: white;" %)Parameter \|=(% style="width: 304px; background-color: rgb(79, 129, 189); color: white;" %)Values and functions
108.1	1183	\|(% style="width:116px" %)(((
	1184
107.2	1185
108.1	1186	x
	1187	)))\|(% style="width:392px" %)(((
	1188	1: Set the interrupt mode for (% style="background-color:yellow" %) PA8(%%) pin.
107.2	1189
108.1	1190	2: Set the interrupt mode for (% style="background-color:yellow" %) PA4(%%) pin.
107.2	1191
108.1	1192	3: Set the interrupt mode for (% style="background-color:yellow" %) PB15(%%) pin.
	1193	)))
	1194	\|(% style="width:116px" %)(((
	1195
107.2	1196
108.1	1197	a
	1198	)))\|(% style="width:392px" %)(((
	1199	0: Disable Interrupt
	1200
	1201	1: Trigger by rising and falling edge
	1202
	1203	2: Trigger by falling edge
	1204
	1205	3: Trigger by rising edge
	1206	)))
	1207	\|(% style="width:116px" %)b\|(% style="width:392px" %)(((
	1208	Set the delay time. (Default: 0)
	1209
	1210	Value range: 0~~65535 ms
	1211	)))
	1212
	1213	Example:
	1214
119.1	1215	* AT+INTMOD1=0,0 ~/~/ Disable the PA8 pin interrupt function
	1216	* AT+INTMOD2=2,1000 ~/~/ Set the interrupt of the PA4 pin to be triggered by the falling edge, however, the interrupt will only be triggered if the low level state remains 1000ms
	1217	* AT+INTMOD3=3,2500 ~/~/ Set the interrupt of the PB15 pin to be triggered by the rising edge, however, the interrupt will only be triggered if the high level state remains 2500ms
108.1	1218
	1219	(% style="color:#037691" %)Downlink Command:(% style="color:blue" %) (% style="color:#4472c4" %)0x06 00 aa bb cc
	1220
	1221	Format: Command Code (0x06 00) followed by 4 bytes.
	1222
	1223	(% style="color:#4472c4" %)aa:(%%) 1 byte, set the corresponding pin. ((% style="background-color:yellow" %)00(%%): PA8 Pin; (% style="background-color:yellow" %)01(%%): PA4 Pin; (% style="background-color:yellow" %)02(%%): PB15 Pin.)
	1224
	1225	(% style="color:#4472c4" %)bb: (%%)1 byte, set interrupt mode. ((% style="background-color:yellow" %)00(%%) Disable, (% style="background-color:yellow" %)01(%%) falling or rising, (% style="background-color:yellow" %)02(%%) falling, (% style="background-color:yellow" %)03(%%) rising)
	1226
	1227	(% style="color:#4472c4" %)cc: (%%)2 bytes, Set the delay time. (0x00~~0xFFFF)
	1228
	1229	Example:
	1230
109.1	1231	* Downlink Payload: 06 00 00 01 00 00 ~/~/ Equal to AT+INTMOD1=1,0
	1232	* Downlink Payload: 06 00 01 02 0B B8 ~/~/ Equal to AT+INTMOD2=2,3000
	1233	* Downlink Payload: 06 00 02 03 03 E8 ~/~/ Equal to AT+INTMOD3=3,1000
108.1	1234
36.1	1235	=== 3.3.4 Set Power Output Duration ===
	1236
43.52	1237
36.1	1238	Control the output duration 5V . Before each sampling, device will
	1239
	1240	~1. first enable the power output to external sensor,
	1241
	1242	2. keep it on as per duration, read sensor value and construct uplink payload
	1243
	1244	3. final, close the power output.
	1245
	1246	(% style="color:blue" %)AT Command: AT+5VT
	1247
	1248	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
87.11	1249	\|=(% style="width: 155px;background-color:#4F81BD;color:white" %)Command Example\|=(% style="width: 197px;background-color:#4F81BD;color:white" %)Function\|=(% style="width: 158px;background-color:#4F81BD;color:white" %)Response
36.1	1250	\|(% style="width:154px" %)AT+5VT=?\|(% style="width:196px" %)Show 5V open time.\|(% style="width:157px" %)(((
	1251	500(default)
	1252	OK
	1253	)))
	1254	\|(% style="width:154px" %)AT+5VT=1000\|(% style="width:196px" %)(((
	1255	Close after a delay of 1000 milliseconds.
	1256	)))\|(% style="width:157px" %)OK
	1257
	1258	(% style="color:blue" %)Downlink Command: 0x07
	1259
	1260	Format: Command Code (0x07) followed by 2 bytes.
	1261
	1262	The first and second bytes are the time to turn on.
	1263
40.1	1264	* Example 1: Downlink Payload: 070000 ~-~--> AT+5VT=0
	1265	* Example 2: Downlink Payload: 0701F4 ~-~--> AT+5VT=500
36.1	1266
	1267	=== 3.3.5 Set Weighing parameters ===
	1268
43.52	1269
37.1	1270	Feature: Working mode 5 is effective, weight initialization and weight factor setting of HX711.
36.1	1271
	1272	(% style="color:blue" %)AT Command: AT+WEIGRE,AT+WEIGAP
	1273
	1274	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
87.11	1275	\|=(% style="width: 155px;background-color:#4F81BD;color:white" %)Command Example\|=(% style="width: 197px;background-color:#4F81BD;color:white" %)Function\|=(% style="width: 158px;background-color:#4F81BD;color:white" %)Response
37.1	1276	\|(% style="width:154px" %)AT+WEIGRE\|(% style="width:196px" %)Weight is initialized to 0.\|(% style="width:157px" %)OK
87.16	1277	\|(% style="width:154px" %)AT+WEIGAP=?\|(% style="width:196px" %)400.0\|(% style="width:157px" %)OK(default)
37.1	1278	\|(% style="width:154px" %)AT+WEIGAP=400.3\|(% style="width:196px" %)Set the factor to 400.3.\|(% style="width:157px" %)OK
36.1	1279
	1280	(% style="color:blue" %)Downlink Command: 0x08
	1281
37.1	1282	Format: Command Code (0x08) followed by 2 bytes or 4 bytes.
36.1	1283
37.1	1284	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	1285
37.1	1286	The second and third bytes are multiplied by 10 times to be the AT+WEIGAP value.
36.1	1287
37.1	1288	* Example 1: Downlink Payload: 0801 ~-~--> AT+WEIGRE
	1289	* Example 2: Downlink Payload: 08020FA3 ~-~--> AT+WEIGAP=400.3
	1290	* Example 3: Downlink Payload: 08020FA0 ~-~--> AT+WEIGAP=400.0
	1291
36.1	1292	=== 3.3.6 Set Digital pulse count value ===
	1293
43.52	1294
36.1	1295	Feature: Set the pulse count value.
	1296
37.1	1297	Count 1 is PA8 pin of mode 6 and mode 9. Count 2 is PA4 pin of mode 9.
	1298
36.1	1299	(% style="color:blue" %)AT Command: AT+SETCNT
	1300
87.41	1301	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
87.11	1302	\|=(% style="width: 155px;background-color:#4F81BD;color:white" %)Command Example\|=(% style="width: 197px;background-color:#4F81BD;color:white" %)Function\|=(% style="width: 158px;background-color:#4F81BD;color:white" %)Response
36.1	1303	\|(% style="width:154px" %)AT+SETCNT=1,100\|(% style="width:196px" %)Initialize the count value 1 to 100.\|(% style="width:157px" %)OK
	1304	\|(% style="width:154px" %)AT+SETCNT=2,0\|(% style="width:196px" %)Initialize the count value 2 to 0.\|(% style="width:157px" %)OK
	1305
	1306	(% style="color:blue" %)Downlink Command: 0x09
	1307
	1308	Format: Command Code (0x09) followed by 5 bytes.
	1309
	1310	The first byte is to select which count value to initialize, and the next four bytes are the count value to be initialized.
	1311
	1312	* Example 1: Downlink Payload: 090100000000 ~-~--> AT+SETCNT=1,0
37.1	1313	* Example 2: Downlink Payload: 0902000003E8 ~-~--> AT+SETCNT=2,1000
36.1	1314
	1315	=== 3.3.7 Set Workmode ===
	1316
43.52	1317
37.1	1318	Feature: Switch working mode.
36.1	1319
	1320	(% style="color:blue" %)AT Command: AT+MOD
	1321
87.41	1322	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
87.11	1323	\|=(% style="width: 155px;background-color:#4F81BD;color:white" %)Command Example\|=(% style="width: 197px;background-color:#4F81BD;color:white" %)Function\|=(% style="width: 158px;background-color:#4F81BD;color:white" %)Response
36.1	1324	\|(% style="width:154px" %)AT+MOD=?\|(% style="width:196px" %)Get the current working mode.\|(% style="width:157px" %)(((
	1325	OK
	1326	)))
	1327	\|(% style="width:154px" %)AT+MOD=4\|(% style="width:196px" %)Set the working mode to 3DS18B20s.\|(% style="width:157px" %)(((
	1328	OK
	1329	Attention:Take effect after ATZ
	1330	)))
	1331
	1332	(% style="color:blue" %)Downlink Command: 0x0A
	1333
	1334	Format: Command Code (0x0A) followed by 1 bytes.
	1335
	1336	* Example 1: Downlink Payload: 0A01 ~-~--> AT+MOD=1
	1337	* Example 2: Downlink Payload: 0A04 ~-~--> AT+MOD=4
	1338
72.1	1339	=== 3.3.8 PWM setting ===
	1340
74.5	1341
87.24	1342	Feature: Set the time acquisition unit for PWM input capture.
72.1	1343
	1344	(% style="color:blue" %)AT Command: AT+PWMSET
	1345
87.41	1346	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
87.17	1347	\|=(% style="width: 155px;background-color:#4F81BD;color:white" %)Command Example\|=(% style="width: 225px; background-color: #4F81BD;color:white" %)Function\|=(% style="width: 130px; background-color:#4F81BD;color:white" %)Response
77.1	1348	\|(% style="width:154px" %)AT+PWMSET=?\|(% style="width:223px" %)0\|(% style="width:130px" %)(((
72.1	1349	0(default)
	1350	OK
	1351	)))
77.1	1352	\|(% style="width:154px" %)AT+PWMSET=0\|(% style="width:223px" %)The unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ. \|(% style="width:130px" %)(((
72.1	1353	OK
	1354
	1355	)))
77.1	1356	\|(% style="width:154px" %)AT+PWMSET=1\|(% style="width:223px" %)The unit of PWM capture time is millisecond. The capture frequency range is between 5HZ and 250HZ. \|(% style="width:130px" %)OK
72.1	1357
	1358	(% style="color:blue" %)Downlink Command: 0x0C
	1359
	1360	Format: Command Code (0x0C) followed by 1 bytes.
	1361
	1362	* Example 1: Downlink Payload: 0C00 ~-~--> AT+PWMSET=0
	1363	* Example 2: Downlink Payload: 0C01 ~-~--> AT+PWMSET=1
	1364
87.24	1365	Feature: Set PWM output time, output frequency and output duty cycle.
	1366
76.1	1367	(% style="color:blue" %)AT Command: AT+PWMOUT
75.1	1368
87.41	1369	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
87.21	1370	\|=(% style="width: 183px; background-color: #4F81BD;color:white" %)Command Example\|=(% style="width: 193px; background-color: #4F81BD;color:white" %)Function\|=(% style="width: 134px; background-color: #4F81BD;color:white" %)Response
77.1	1371	\|(% style="width:183px" %)AT+PWMOUT=?\|(% style="width:193px" %)0\|(% style="width:137px" %)(((
76.1	1372	0,0,0(default)
	1373	OK
	1374	)))
77.1	1375	\|(% style="width:183px" %)AT+PWMOUT=0,0,0\|(% style="width:193px" %)The default is PWM input detection\|(% style="width:137px" %)(((
76.1	1376	OK
	1377
	1378	)))
77.1	1379	\|(% style="width:183px" %)AT+PWMOUT=5,1000,50\|(% style="width:193px" %)(((
	1380	The PWM output time is 5ms, the output frequency is 1000HZ, and the output duty cycle is 50%.
75.1	1381
77.1	1382
	1383	)))\|(% style="width:137px" %)(((
	1384	OK
	1385	)))
	1386
87.41	1387	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
117.4	1388	\|=(% style="width: 155px; background-color:#4F81BD;color:white" %)Command Example\|=(% style="width: 112px; background-color:#4F81BD;color:white" %)Function\|=(% style="width: 243px; background-color:#4F81BD;color:white" %)parameters
77.1	1389	\|(% colspan="1" rowspan="3" style="width:155px" %)(((
	1390	AT+PWMOUT=a,b,c
	1391
	1392
	1393	)))\|(% colspan="1" rowspan="3" style="width:112px" %)(((
79.1	1394	Set PWM output time, output frequency and output duty cycle.
	1395
	1396	(((
77.1	1397
	1398	)))
	1399
	1400	(((
	1401
	1402	)))
	1403	)))\|(% style="width:242px" %)(((
76.1	1404	a: Output time (unit: seconds)
77.1	1405	The value ranges from 0 to 65535.
	1406	When a=65535, PWM will always output.
	1407	)))
	1408	\|(% style="width:242px" %)(((
76.1	1409	b: Output frequency (unit: HZ)
106.1	1410
	1411	range 5~~100000HZ
77.1	1412	)))
	1413	\|(% style="width:242px" %)(((
	1414	c: Output duty cycle (unit: %)
	1415	The value ranges from 0 to 100.
76.1	1416	)))
	1417
105.1	1418	(% style="color:blue" %)Downlink Command: 0x0B
76.1	1419
105.1	1420	Format: Command Code (0x0B) followed by 6 bytes.
76.1	1421
105.1	1422	0B + Output frequency (3bytes)+ Output duty cycle (1bytes)+Output time (2bytes)
76.1	1423
105.1	1424	Downlink payload:0B bb cc aa ~-~--> AT+PWMOUT=a,b,c
76.1	1425
105.1	1426	* Example 1: Downlink Payload: 0B 0003E8 32 0005 ~-~--> AT+PWMOUT=5,1000,50
	1427	* Example 2: Downlink Payload: 0B 0007D0 3C 000A ~-~--> AT+PWMOUT=10,2000,60
	1428
79.1	1429	= 4. Battery & Power Cons =
	1430
	1431
87.6	1432	SN50v3-LB use ER26500 + SPC1520 battery pack and SN50v3-LS use 3000mAh Recharable Battery with Solar Panel. See below link for detail information about the battery info and how to replace.
2.1	1433
	1434	[[Battery Info & Power Consumption Analyze>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
	1435
	1436
	1437	= 5. OTA Firmware update =
	1438
	1439
	1440	(% class="wikigeneratedid" %)
87.4	1441	User can change firmware SN50v3-LB/LS to:
2.1	1442
	1443	* Change Frequency band/ region.
	1444	* Update with new features.
	1445	* Fix bugs.
	1446
52.2	1447	Firmware and changelog can be downloaded from : [[Firmware download link>>https://www.dropbox.com/sh/4rov7bcp6u28exp/AACt-wAySd4si5AXi8DBmvSca?dl=0]]
2.1	1448
44.4	1449	Methods to Update Firmware:
2.1	1450
53.3	1451	* (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/]]
	1452	* 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]].
2.1	1453
101.1	1454	= 6. Developer Guide =
2.1	1455
101.1	1456	SN50v3 is an open source project, developer can use compile their firmware for customized applications. User can get the source code from:
2.1	1457
101.1	1458	* (((
	1459	Software Source Code: [[Releases · dragino/SN50v3 (github.com)>>url:https://github.com/dragino/SN50v3/releases]]
	1460	)))
	1461	* (((
	1462	Hardware Design files: [[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].
	1463	)))
	1464	* (((
	1465	Compile instruction:[[Compile instruction>>https://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Module/Compile%20and%20Upload%20Code%20to%20ASR6601%20Platform/]]
	1466	)))
43.52	1467
101.1	1468	~1. If you want to change frequency, modify the Preprocessor Symbols.
2.1	1469
101.1	1470	For example, change EU868 to US915
55.2	1471
101.1	1472	[[image:https://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/1656318662202-530.png?rev=1.1\|\|alt="1656318662202-530.png"]]
55.2	1473
101.1	1474	2. Compile and build
	1475
	1476	[[image:https://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-20220627163212-17.png?rev=1.1\|\|alt="image-20220627163212-17.png"]]
	1477
	1478	= 7. FAQ =
	1479
	1480	== 7.1 How to generate PWM Output in SN50v3-LB/LS? ==
	1481
	1482
55.1	1483	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]].
	1484
	1485
101.1	1486	== 7.2 How to put several sensors to a SN50v3-LB/LS? ==
57.1	1487
57.2	1488
87.4	1489	When we want to put several sensors to A SN50v3-LB/LS, the waterproof at the grand connector will become an issue. User can try to exchange the grand connector to below type.
57.1	1490
	1491	[[Reference Supplier>>https://www.yscableglands.com/cable-glands/nylon-cable-glands/cable-gland-rubber-seal.html]].
	1492
	1493	[[image:image-20230810121434-1.png\|\|height="242" width="656"]]
	1494
	1495
101.1	1496	= 8. Order Info =
2.1	1497
	1498
87.9	1499	Part Number: (% style="color:blue" %)SN50v3-LB-XX-YY(%%) or (% style="color:blue" %)SN50v3-LS-XX-YY
2.1	1500
	1501	(% style="color:red" %)XX(%%): The default frequency band
11.1	1502
2.1	1503	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	1504	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	1505	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	1506	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	1507	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	1508	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	1509	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	1510	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	1511
10.1	1512	(% style="color:red" %)YY: (%%)Hole Option
2.1	1513
10.1	1514	* (% style="color:red" %)12(%%): With M12 waterproof cable hole
	1515	* (% style="color:red" %)16(%%): With M16 waterproof cable hole
	1516	* (% style="color:red" %)20(%%): With M20 waterproof cable hole
	1517	* (% style="color:red" %)NH(%%): No Hole
	1518
101.1	1519	= 9. Packing Info =
2.1	1520
43.52	1521
2.1	1522	(% style="color:#037691" %)Package Includes:
	1523
87.4	1524	* SN50v3-LB or SN50v3-LS LoRaWAN Generic Node
2.1	1525
	1526	(% style="color:#037691" %)Dimension and weight:
	1527
	1528	* Device Size: cm
	1529	* Device Weight: g
	1530	* Package Size / pcs : cm
	1531	* Weight / pcs : g
	1532
101.1	1533	= 10. Support =
2.1	1534
	1535
	1536	* 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	1537
41.4	1538	* 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/LS -- LoRaWAN Sensor Node User Manual

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