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

Version 87.3 by Xiaoling on 2024/01/03 10:44

version	line-number	content
87.2	1
	2
41.2	3	(% style="text-align:center" %)
87.2	4	[[image:image-20240103095714-2.png]]
2.1	5
	6
	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
87.3	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" %) 8500mA Li/SOCl2 battery(%%) or (% style="color:blue" %)solar powered + li-on 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
	46	* 8500mAh Battery for long term use
	47
	48	== 1.3 Specification ==
	49
43.4	50
2.1	51	(% style="color:#037691" %)Common DC Characteristics:
	52
	53	* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
	54	* Operating Temperature: -40 ~~ 85°C
	55
5.1	56	(% style="color:#037691" %)I/O Interface:
2.1	57
5.1	58	* Battery output (2.6v ~~ 3.6v depends on battery)
	59	* +5v controllable output
	60	* 3 x Interrupt or Digital IN/OUT pins
	61	* 3 x one-wire interfaces
	62	* 1 x UART Interface
	63	* 1 x I2C Interface
2.1	64
	65	(% style="color:#037691" %)LoRa Spec:
	66
	67	* Frequency Range, Band 1 (HF): 862 ~~ 1020 Mhz
	68	* Max +22 dBm constant RF output vs.
	69	* RX sensitivity: down to -139 dBm.
	70	* Excellent blocking immunity
	71
	72	(% style="color:#037691" %)Battery:
	73
	74	* Li/SOCI2 un-chargeable battery
	75	* Capacity: 8500mAh
	76	* Self-Discharge: <1% / Year @ 25°C
	77	* Max continuously current: 130mA
	78	* Max boost current: 2A, 1 second
	79
	80	(% style="color:#037691" %)Power Consumption
	81
	82	* Sleep Mode: 5uA @ 3.3v
	83	* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
	84
	85	== 1.4 Sleep mode and working mode ==
	86
43.4	87
2.1	88	(% 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.
	89
	90	(% 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.
	91
	92
	93	== 1.5 Button & LEDs ==
	94
	95
82.1	96	[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]][[image:image-20231231203148-2.png\|\|height="456" width="316"]]
2.1	97
	98
	99	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	100	\|=(% 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
	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
5.1	115	SN50v3-LB 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
84.1	138	[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]][[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
2.1	139
84.1	140
2.1	141	[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
	142
85.1	143	=== 1.8.2 for LS version ===
2.1	144
84.1	145	[[image:image-20231231203439-3.png\|\|height="385" width="886"]]
	146
	147
44.5	148	== 1.9 Hole Option ==
5.1	149
43.4	150
5.1	151	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:
	152
	153	[[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"]]
	154
	155	[[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"]]
	156
	157
10.1	158	= 2. Configure SN50v3-LB to connect to LoRaWAN network =
2.1	159
	160	== 2.1 How it works ==
	161
	162
44.3	163	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 SN50v3-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	164
	165
	166	== 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
	167
	168
	169	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.
	170
44.3	171	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	172
	173
11.2	174	(% style="color:blue" %)Step 1:(%%) Create a device in TTN with the OTAA keys from SN50v3-LB.
2.1	175
11.2	176	Each SN50v3-LB is shipped with a sticker with the default device EUI as below:
2.1	177
11.2	178	[[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	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
	186	[[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"]]
	187
	188
	189	(% style="color:blue" %)Add APP EUI and DEV EUI
	190
	191	[[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"]]
	192
	193
	194	(% style="color:blue" %)Add APP EUI in the application
	195
	196
	197	[[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"]]
	198
	199
	200	(% style="color:blue" %)Add APP KEY
	201
	202	[[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"]]
	203
	204
11.2	205	(% style="color:blue" %)Step 2:(%%) Activate SN50v3-LB
2.1	206
	207
11.2	208	Press the button for 5 seconds to activate the SN50v3-LB.
2.1	209
	210	(% 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.
	211
	212	After join success, it will start to upload messages to TTN and you can see the messages in the panel.
	213
	214
	215	== 2.3 Uplink Payload ==
	216
	217	=== 2.3.1 Device Status, FPORT~=5 ===
	218
	219
44.3	220	Users can use the downlink command(0x26 01) to ask SN50v3-LB to send device configure detail, include device configure status. SN50v3-LB will uplink a payload via FPort=5 to server.
2.1	221
	222	The Payload format is as below.
	223
	224
	225	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	226	\|(% colspan="6" style="background-color:#d9e2f3; color:#0070c0" %)Device Status (FPORT=5)
	227	\|(% style="width:103px" %)Size (bytes)\|(% style="width:72px" %)1\|2\|(% style="width:91px" %)1\|(% style="width:86px" %)1\|(% style="width:44px" %)2
45.4	228	\|(% 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	229
	230	Example parse in TTNv3
	231
	232
44.3	233	(% style="color:#037691" %)Sensor Model(%%): For SN50v3-LB, this value is 0x1C
2.1	234
	235	(% style="color:#037691" %)Firmware Version(%%): 0x0100, Means: v1.0.0 version
	236
	237	(% style="color:#037691" %)Frequency Band:
	238
53.2	239	0x01: EU868
2.1	240
53.2	241	0x02: US915
2.1	242
53.2	243	0x03: IN865
2.1	244
53.2	245	0x04: AU915
2.1	246
53.2	247	0x05: KZ865
2.1	248
53.2	249	0x06: RU864
2.1	250
53.2	251	0x07: AS923
2.1	252
53.2	253	0x08: AS923-1
2.1	254
53.2	255	0x09: AS923-2
2.1	256
53.2	257	0x0a: AS923-3
2.1	258
53.2	259	0x0b: CN470
2.1	260
53.2	261	0x0c: EU433
2.1	262
53.2	263	0x0d: KR920
2.1	264
53.2	265	0x0e: MA869
2.1	266
	267
	268	(% style="color:#037691" %)Sub-Band:
	269
	270	AU915 and US915:value 0x00 ~~ 0x08
	271
	272	CN470: value 0x0B ~~ 0x0C
	273
	274	Other Bands: Always 0x00
	275
	276
	277	(% style="color:#037691" %)Battery Info:
	278
	279	Check the battery voltage.
	280
	281	Ex1: 0x0B45 = 2885mV
	282
	283	Ex2: 0x0B49 = 2889mV
	284
	285
12.1	286	=== 2.3.2 Working Modes & Sensor Data. Uplink via FPORT~=2 ===
2.1	287
	288
44.2	289	SN50v3-LB 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 to different working modes.
12.1	290
	291	For example:
	292
44.2	293	(% 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	294
	295
13.1	296	(% style="color:red" %) Important Notice:
12.1	297
44.3	298	~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 transmit in DR0 with 12 bytes payload.
12.1	299
44.2	300	2. All modes share the same Payload Explanation from HERE.
43.53	301
44.2	302	3. By default, the device will send an uplink message every 20 minutes.
	303
	304
13.1	305	==== 2.3.2.1 MOD~=1 (Default Mode) ====
12.1	306
43.5	307
12.1	308	In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2.
	309
43.5	310	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.54	311	\|(% 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:90px" %)1\|(% style="background-color:#d9e2f3; color:#0070c0; width:130px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)2
45.4	312	\|Value\|Bat\|(% style="width:191px" %)(((
43.12	313	Temperature(DS18B20)(PC13)
40.1	314	)))\|(% style="width:78px" %)(((
43.12	315	ADC(PA4)
26.2	316	)))\|(% style="width:216px" %)(((
43.13	317	Digital in(PB15)&Digital Interrupt(PA8)
40.1	318	)))\|(% style="width:308px" %)(((
43.12	319	Temperature(SHT20 or SHT31 or BH1750 Illumination Sensor)
40.1	320	)))\|(% style="width:154px" %)(((
43.12	321	Humidity(SHT20 or SHT31)
36.1	322	)))
	323
12.1	324	[[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"]]
	325
	326
13.1	327	==== 2.3.2.2 MOD~=2 (Distance Mode) ====
	328
43.45	329
12.1	330	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.
	331
43.14	332	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.54	333	\|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)Size(bytes)\|(% style="background-color:#d9e2f3; color:#0070c0; width:30px" %)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
45.4	334	\|Value\|BAT\|(% style="width:196px" %)(((
43.16	335	Temperature(DS18B20)(PC13)
40.1	336	)))\|(% style="width:87px" %)(((
43.16	337	ADC(PA4)
40.1	338	)))\|(% style="width:189px" %)(((
43.16	339	Digital in(PB15) & Digital Interrupt(PA8)
40.1	340	)))\|(% style="width:208px" %)(((
53.2	341	Distance measure by: 1) LIDAR-Lite V3HP
	342	Or 2) Ultrasonic Sensor
40.1	343	)))\|(% style="width:117px" %)Reserved
12.1	344
	345	[[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"]]
	346
43.45	347
43.17	348	(% style="color:blue" %)Connection of LIDAR-Lite V3HP:
12.1	349
26.2	350	[[image:image-20230512173758-5.png\|\|height="563" width="712"]]
12.1	351
43.45	352
43.17	353	(% style="color:blue" %)Connection to Ultrasonic Sensor:
12.1	354
44.1	355	(% style="color:red" %)Need to remove R1 and R2 resistors to get low power,otherwise there will be 240uA standby current.
36.1	356
26.2	357	[[image:image-20230512173903-6.png\|\|height="596" width="715"]]
12.1	358
43.45	359
12.1	360	For the connection to TF-Mini or TF-Luna , MOD2 payload is as below:
	361
43.19	362	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.44	363	\|(% 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
45.5	364	\|Value\|BAT\|(% style="width:183px" %)(((
43.19	365	Temperature(DS18B20)(PC13)
40.1	366	)))\|(% style="width:173px" %)(((
43.19	367	Digital in(PB15) & Digital Interrupt(PA8)
40.1	368	)))\|(% style="width:84px" %)(((
43.19	369	ADC(PA4)
40.1	370	)))\|(% style="width:323px" %)(((
12.1	371	Distance measure by:1)TF-Mini plus LiDAR
53.3	372	Or 2) TF-Luna LiDAR
40.1	373	)))\|(% style="width:188px" %)Distance signal strength
12.1	374
	375	[[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"]]
	376
43.45	377
12.1	378	Connection to [[TF-Mini plus>>url:http://en.benewake.com/product/detail/5c345cd0e5b3a844c472329b.html]] LiDAR(UART version):
	379
44.1	380	(% style="color:red" %)Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.
12.1	381
26.2	382	[[image:image-20230512180609-7.png\|\|height="555" width="802"]]
12.1	383
43.45	384
12.1	385	Connection to [[TF-Luna>>url:http://en.benewake.com/product/detail/5e1c1fd04d839408076b6255.html]] LiDAR (UART version):
	386
44.1	387	(% style="color:red" %)Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.
12.1	388
52.1	389	[[image:image-20230610170047-1.png\|\|height="452" width="799"]]
12.1	390
	391
13.1	392	==== 2.3.2.3 MOD~=3 (3 ADC + I2C) ====
	393
43.45	394
12.1	395	This mode has total 12 bytes. Include 3 x ADC + 1x I2C
	396
43.21	397	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.25	398	\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
	399	Size(bytes)
43.54	400	)))\|=(% 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: 110px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)1
45.4	401	\|Value\|(% style="width:68px" %)(((
43.23	402	ADC1(PA4)
26.2	403	)))\|(% style="width:75px" %)(((
43.23	404	ADC2(PA5)
36.1	405	)))\|(((
43.23	406	ADC3(PA8)
36.1	407	)))\|(((
	408	Digital Interrupt(PB15)
	409	)))\|(% style="width:304px" %)(((
43.23	410	Temperature(SHT20 or SHT31 or BH1750 Illumination Sensor)
36.1	411	)))\|(% style="width:163px" %)(((
43.23	412	Humidity(SHT20 or SHT31)
36.1	413	)))\|(% style="width:53px" %)Bat
	414
	415	[[image:image-20230513110214-6.png]]
	416
	417
13.1	418	==== 2.3.2.4 MOD~=4 (3 x DS18B20) ====
	419
12.1	420
26.2	421	This mode has total 11 bytes. As shown below:
12.1	422
43.26	423	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.44	424	\|(% 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
45.4	425	\|Value\|BAT\|(% style="width:186px" %)(((
43.27	426	Temperature1(DS18B20)(PC13)
26.2	427	)))\|(% style="width:82px" %)(((
43.27	428	ADC(PA4)
26.2	429	)))\|(% style="width:210px" %)(((
43.27	430	Digital in(PB15) & Digital Interrupt(PA8)
26.2	431	)))\|(% style="width:191px" %)Temperature2(DS18B20)
43.27	432	(PB9)\|(% style="width:183px" %)Temperature3(DS18B20)(PB8)
12.1	433
	434	[[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"]]
	435
44.4	436
39.2	437	[[image:image-20230513134006-1.png\|\|height="559" width="736"]]
12.1	438
39.1	439
13.1	440	==== 2.3.2.5 MOD~=5(Weight Measurement by HX711) ====
	441
43.45	442
26.2	443	[[image:image-20230512164658-2.png\|\|height="532" width="729"]]
12.1	444
	445	Each HX711 need to be calibrated before used. User need to do below two steps:
	446
44.2	447	1. Zero calibration. Don't put anything on load cell and run (% style="color:blue" %)AT+WEIGRE(%%) to calibrate to Zero gram.
	448	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	449	1. (((
26.2	450	Weight has 4 bytes, the unit is g.
43.53	451
	452
	453
12.1	454	)))
	455
	456	For example:
	457
44.2	458	(% style="color:blue" %)AT+GETSENSORVALUE =0
12.1	459
	460	Response: Weight is 401 g
	461
	462	Check the response of this command and adjust the value to match the real value for thing.
	463
43.29	464	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	465	\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
12.1	466	Size(bytes)
43.30	467	)))\|=(% 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
45.4	468	\|Value\|BAT\|(% style="width:193px" %)(((
43.55	469	Temperature(DS18B20)(PC13)
40.1	470	)))\|(% style="width:85px" %)(((
43.31	471	ADC(PA4)
40.1	472	)))\|(% style="width:186px" %)(((
43.55	473	Digital in(PB15) & Digital Interrupt(PA8)
40.1	474	)))\|(% style="width:100px" %)Weight
26.2	475
12.1	476	[[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"]]
	477
	478
13.1	479	==== 2.3.2.6 MOD~=6 (Counting Mode) ====
	480
43.45	481
12.1	482	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.
	483
	484	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.
	485
26.2	486	[[image:image-20230512181814-9.png\|\|height="543" width="697"]]
12.1	487
43.53	488
43.45	489	(% 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	490
43.38	491	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.57	492	\|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)Size(bytes)\|=(% style="width: 40px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 180px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)1\|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)4
45.4	493	\|Value\|BAT\|(% style="width:256px" %)(((
43.31	494	Temperature(DS18B20)(PC13)
36.1	495	)))\|(% style="width:108px" %)(((
43.31	496	ADC(PA4)
36.1	497	)))\|(% style="width:126px" %)(((
43.31	498	Digital in(PB15)
36.1	499	)))\|(% style="width:145px" %)(((
43.31	500	Count(PA8)
36.1	501	)))
	502
12.1	503	[[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"]]
	504
	505
13.1	506	==== 2.3.2.7 MOD~=7 (Three interrupt contact modes) ====
	507
43.45	508
43.38	509	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.33	510	\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
12.1	511	Size(bytes)
43.34	512	)))\|=(% 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
45.4	513	\|Value\|BAT\|(% style="width:188px" %)(((
36.1	514	Temperature(DS18B20)
	515	(PC13)
40.1	516	)))\|(% style="width:83px" %)(((
43.35	517	ADC(PA5)
40.1	518	)))\|(% style="width:184px" %)(((
36.1	519	Digital Interrupt1(PA8)
40.1	520	)))\|(% style="width:186px" %)Digital Interrupt2(PA4)\|(% style="width:197px" %)Digital Interrupt3(PB15)\|(% style="width:100px" %)Reserved
36.1	521
	522	[[image:image-20230513111203-7.png\|\|height="324" width="975"]]
	523
43.45	524
13.1	525	==== 2.3.2.8 MOD~=8 （3ADC+1DS18B20） ====
	526
43.45	527
43.38	528	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
43.35	529	\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
12.1	530	Size(bytes)
43.55	531	)))\|=(% style="width: 30px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 110px;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
45.4	532	\|Value\|BAT\|(% style="width:207px" %)(((
36.1	533	Temperature(DS18B20)
	534	(PC13)
	535	)))\|(% style="width:94px" %)(((
43.36	536	ADC1(PA4)
36.1	537	)))\|(% style="width:198px" %)(((
	538	Digital Interrupt(PB15)
	539	)))\|(% style="width:84px" %)(((
43.36	540	ADC2(PA5)
40.1	541	)))\|(% style="width:82px" %)(((
43.36	542	ADC3(PA8)
12.1	543	)))
	544
36.1	545	[[image:image-20230513111231-8.png\|\|height="335" width="900"]]
12.1	546
	547
13.1	548	==== 2.3.2.9 MOD~=9 (3DS18B20+ two Interrupt count mode) ====
	549
43.45	550
43.38	551	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
	552	\|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)(((
12.1	553	Size(bytes)
43.56	554	)))\|=(% style="width: 20px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)1\|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)2\|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)4\|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)4
45.4	555	\|Value\|BAT\|(((
43.58	556	Temperature
	557	(DS18B20)(PC13)
12.1	558	)))\|(((
43.58	559	Temperature2
	560	(DS18B20)(PB9)
12.1	561	)))\|(((
36.1	562	Digital Interrupt
	563	(PB15)
	564	)))\|(% style="width:193px" %)(((
43.58	565	Temperature3
	566	(DS18B20)(PB8)
36.1	567	)))\|(% style="width:78px" %)(((
43.39	568	Count1(PA8)
36.1	569	)))\|(% style="width:78px" %)(((
43.39	570	Count2(PA4)
12.1	571	)))
	572
36.1	573	[[image:image-20230513111255-9.png\|\|height="341" width="899"]]
12.1	574
43.40	575	(% style="color:blue" %)The newly added AT command is issued correspondingly:
12.1	576
43.44	577	(% style="color:#037691" %) AT+INTMOD1 PA8(%%) pin： Corresponding downlink: (% style="color:#037691" %)06 00 00 xx
12.1	578
43.44	579	(% style="color:#037691" %) AT+INTMOD2 PA4(%%) pin： Corresponding downlink: (% style="color:#037691" %)06 00 01 xx
12.1	580
43.44	581	(% style="color:#037691" %) AT+INTMOD3 PB15(%%) pin： Corresponding downlink: (% style="color:#037691" %) 06 00 02 xx
12.1	582
	583
43.41	584	(% style="color:blue" %)AT+SETCNT=aa,bb
	585
36.1	586	When AA is 1, set the count of PA8 pin to BB Corresponding downlink：09 01 bb bb bb bb
12.1	587
36.1	588	When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
12.1	589
	590
65.1	591	==== 2.3.2.10 MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
	592
74.8	593	(% style="color:red" %)Note: Firmware not release, contact Dragino for testing.
74.3	594
65.1	595	In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
	596
74.3	597	[[It should be noted when using PWM mode.>>\|\|anchor="H2.3.3.12A0PWMMOD"]]
65.1	598
69.1	599
65.1	600	===== 2.3.2.10.a Uplink, PWM input capture =====
	601
74.3	602
65.1	603	[[image:image-20230817172209-2.png\|\|height="439" width="683"]]
	604
79.2	605	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
	606	\|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)Size(bytes)\|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:135px" %)1\|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)2\|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)2
65.1	607	\|Value\|Bat\|(% style="width:191px" %)(((
	608	Temperature(DS18B20)(PC13)
	609	)))\|(% style="width:78px" %)(((
	610	ADC(PA4)
	611	)))\|(% style="width:135px" %)(((
	612	PWM_Setting
	613	&Digital Interrupt(PA8)
	614	)))\|(% style="width:70px" %)(((
	615	Pulse period
	616	)))\|(% style="width:89px" %)(((
	617	Duration of high level
	618	)))
	619
	620	[[image:image-20230817170702-1.png\|\|height="161" width="1044"]]
	621
	622
72.1	623	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	624
74.4	625	Frequency：
65.1	626
72.1	627	(% class="MsoNormal" %)
74.4	628	(% 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	629
72.1	630	(% class="MsoNormal" %)
74.4	631	(% 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	632
74.4	633
72.1	634	(% class="MsoNormal" %)
74.4	635	Duty cycle:
72.1	636
	637	Duty cycle= Duration of high level/ Pulse period*100 ~(%).
	638
	639	[[image:image-20230818092200-1.png\|\|height="344" width="627"]]
	640
77.1	641	===== 2.3.2.10.b Uplink, PWM output =====
72.1	642
77.1	643	[[image:image-20230817172209-2.png\|\|height="439" width="683"]]
65.1	644
79.1	645	(% 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	646
79.1	647	a is the time delay of the output, the unit is ms.
75.1	648
79.1	649	b is the output frequency, the unit is HZ.
75.1	650
79.1	651	c is the duty cycle of the output, the unit is %.
75.1	652
79.1	653	(% 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	654
79.1	655	aa is the time delay of the output, the unit is ms.
	656
	657	bb is the output frequency, the unit is HZ.
	658
	659	cc is the duty cycle of the output, the unit is %.
	660
	661
	662	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.
	663
	664	The oscilloscope displays as follows:
	665
	666	[[image:image-20231213102404-1.jpeg\|\|height="780" width="932"]]
	667
	668
75.1	669	===== 2.3.2.10.c Downlink, PWM output =====
	670
	671
65.1	672	[[image:image-20230817173800-3.png\|\|height="412" width="685"]]
	673
	674	Downlink: (% style="color:#037691" %)0B xx xx xx yy zz zz
	675
	676	xx xx xx is the output frequency, the unit is HZ.
	677
	678	yy is the duty cycle of the output, the unit is %.
	679
	680	zz zz is the time delay of the output, the unit is ms.
	681
	682
	683	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.
	684
	685	The oscilloscope displays as follows:
	686
	687	[[image:image-20230817173858-5.png\|\|height="694" width="921"]]
	688
	689
14.1	690	=== 2.3.3 Decode payload ===
	691
43.45	692
12.1	693	While using TTN V3 network, you can add the payload format to decode the payload.
	694
	695	[[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"]]
	696
	697	The payload decoder function for TTN V3 are here:
	698
44.2	699	SN50v3-LB TTN V3 Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
12.1	700
	701
14.1	702	==== 2.3.3.1 Battery Info ====
2.1	703
43.45	704
44.2	705	Check the battery voltage for SN50v3-LB.
2.1	706
	707	Ex1: 0x0B45 = 2885mV
	708
	709	Ex2: 0x0B49 = 2889mV
	710
	711
14.1	712	==== 2.3.3.2 Temperature (DS18B20) ====
2.1	713
43.45	714
42.1	715	If there is a DS18B20 connected to PC13 pin. The temperature will be uploaded in the payload.
2.1	716
43.45	717	More DS18B20 can check the [[3 DS18B20 mode>>\|\|anchor="H2.3.2.4MOD3D4283xDS18B2029"]]
14.1	718
43.41	719	(% style="color:blue" %)Connection:
14.1	720
26.2	721	[[image:image-20230512180718-8.png\|\|height="538" width="647"]]
14.1	722
43.46	723
43.41	724	(% style="color:blue" %)Example:
2.1	725
	726	If payload is: 0105H: (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
	727
	728	If payload is: FF3FH : (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
	729
	730	（FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
	731
	732
14.1	733	==== 2.3.3.3 Digital Input ====
2.1	734
43.46	735
26.2	736	The digital input for pin PB15,
2.1	737
26.2	738	* When PB15 is high, the bit 1 of payload byte 6 is 1.
	739	* When PB15 is low, the bit 1 of payload byte 6 is 0.
2.1	740
26.2	741	(% class="wikigeneratedid" id="H2.3.3.4A0AnalogueDigitalConverter28ADC29" %)
	742	(((
36.1	743	When the digital interrupt pin is set to AT+INTMODx=0, this pin is used as a digital input pin.
	744
43.46	745	(% style="color:red" %)Note: The maximum voltage input supports 3.6V.
	746
	747
26.2	748	)))
	749
14.1	750	==== 2.3.3.4 Analogue Digital Converter (ADC) ====
2.1	751
43.46	752
53.1	753	The measuring range of the ADC is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
2.1	754
53.1	755	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	756
26.2	757	[[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	758
44.2	759
43.46	760	(% 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	761
43.1	762
59.1	763	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.
	764
	765	[[image:image-20230811113449-1.png\|\|height="370" width="608"]]
	766
14.1	767	==== 2.3.3.5 Digital Interrupt ====
	768
43.46	769
44.2	770	Digital Interrupt refers to pin PA8, and there are different trigger methods. When there is a trigger, the SN50v3-LB will send a packet to the server.
14.1	771
43.44	772	(% style="color:blue" %) Interrupt connection method:
14.1	773
36.1	774	[[image:image-20230513105351-5.png\|\|height="147" width="485"]]
14.1	775
43.46	776
43.8	777	(% style="color:blue" %)Example to use with door sensor :
14.1	778
	779	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.
	780
	781	[[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"]]
	782
44.2	783	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 interrupt interface to detect the status for the door or window.
14.1	784
	785
43.46	786	(% style="color:blue" %)Below is the installation example:
	787
44.2	788	Fix one piece of the magnetic sensor to the door and connect the two pins to SN50v3-LB as follows:
14.1	789
	790	* (((
44.2	791	One pin to SN50v3-LB's PA8 pin
14.1	792	)))
	793	* (((
44.2	794	The other pin to SN50v3-LB's VDD pin
14.1	795	)))
	796
36.1	797	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	798
43.46	799	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	800
36.1	801	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	802
	803	[[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"]]
	804
	805	The above photos shows the two parts of the magnetic switch fitted to a door.
	806
	807	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.
	808
	809	The command is:
	810
44.2	811	(% 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	812
	813	Below shows some screen captures in TTN V3:
	814
	815	[[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"]]
	816
43.47	817
44.4	818	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	819
	820	door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
	821
	822
26.2	823	==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ====
14.1	824
43.47	825
26.2	826	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	827
40.1	828	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	829
44.2	830	(% 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 will be a good reference.
14.1	831
44.2	832
14.1	833	Below is the connection to SHT20/ SHT31. The connection is as below:
	834
52.1	835	[[image:image-20230610170152-2.png\|\|height="501" width="846"]]
36.1	836
44.4	837
14.1	838	The device will be able to get the I2C sensor data now and upload to IoT Server.
	839
	840	[[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"]]
	841
	842	Convert the read byte to decimal and divide it by ten.
	843
2.1	844	Example:
	845
14.1	846	Temperature: Read:0116(H) = 278(D) Value: 278 /10=27.8℃;
2.1	847
14.1	848	Humidity: Read:0248(H)=584(D) Value: 584 / 10=58.4, So 58.4%
2.1	849
14.1	850	If you want to use other I2C device, please refer the SHT20 part source code as reference.
2.1	851
	852
14.1	853	==== 2.3.3.7 Distance Reading ====
2.1	854
43.48	855
43.42	856	Refer [[Ultrasonic Sensor section>>\|\|anchor="H2.3.3.8UltrasonicSensor"]].
14.1	857
	858
	859	==== 2.3.3.8 Ultrasonic Sensor ====
	860
43.48	861
26.2	862	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	863
44.2	864	The SN50v3-LB 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	865
43.44	866	The working principle of this sensor is similar to the (% style="color:blue" %)HC-SR04(%%) ultrasonic sensor.
36.1	867
14.1	868	The picture below shows the connection:
	869
36.1	870	[[image:image-20230512173903-6.png\|\|height="596" width="715"]]
14.1	871
43.50	872
44.2	873	Connect to the SN50v3-LB and run (% style="color:blue" %)AT+MOD=2(%%) to switch to ultrasonic mode (ULT).
14.1	874
	875	The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value.
	876
	877	Example:
	878
	879	Distance: Read: 0C2D(Hex) = 3117(D) Value: 3117 mm=311.7 cm
	880
	881
	882	==== 2.3.3.9 Battery Output - BAT pin ====
	883
43.50	884
44.4	885	The BAT pin of SN50v3-LB 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.
14.1	886
	887
	888	==== 2.3.3.10 +5V Output ====
	889
43.50	890
44.2	891	SN50v3-LB will enable +5V output before all sampling and disable the +5v after all sampling.
14.1	892
	893	The 5V output time can be controlled by AT Command.
	894
43.9	895	(% style="color:blue" %)AT+5VT=1000
14.1	896
	897	Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.
	898
44.4	899	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	900
	901
	902	==== 2.3.3.11 BH1750 Illumination Sensor ====
	903
43.50	904
14.1	905	MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes.
	906
40.1	907	[[image:image-20230512172447-4.png\|\|height="416" width="712"]]
14.1	908
43.51	909
40.1	910	[[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	911
	912
65.1	913	==== 2.3.3.12 PWM MOD ====
14.1	914
43.51	915
69.1	916	* (((
	917	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.
	918	)))
	919	* (((
	920	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:
	921	)))
	922
	923	[[image:image-20230817183249-3.png\|\|height="320" width="417"]]
	924
	925	* (((
	926	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.
	927	)))
	928	* (((
74.2	929	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	930	)))
	931	* (((
76.1	932	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	933
74.8	934	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	935
76.1	936	a) If real-time control output is required, the SN50v3-LB is already operating in class C and an external power supply must be used.
74.8	937
76.1	938	b) If the output duration is more than 30 seconds, better to use external power source.
74.8	939
	940
70.1	941
69.1	942	)))
	943
65.1	944	==== 2.3.3.13 Working MOD ====
	945
	946
14.1	947	The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
	948
	949	User can use the 3^^rd^^ ~~ 7^^th^^ bit of this byte to see the working mod:
	950
	951	Case 7^^th^^ Byte >> 2 & 0x1f:
	952
	953	* 0: MOD1
	954	* 1: MOD2
	955	* 2: MOD3
	956	* 3: MOD4
	957	* 4: MOD5
	958	* 5: MOD6
36.1	959	* 6: MOD7
	960	* 7: MOD8
	961	* 8: MOD9
65.1	962	* 9: MOD10
14.1	963
2.1	964	== 2.4 Payload Decoder file ==
	965
	966
	967	In TTN, use can add a custom payload so it shows friendly reading
	968
	969	In the page (% style="color:#037691" %)Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder(%%) to add the decoder from:
	970
40.1	971	[[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	972
	973
15.1	974	== 2.5 Frequency Plans ==
2.1	975
	976
15.1	977	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	978
	979	[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
	980
	981
16.1	982	= 3. Configure SN50v3-LB =
2.1	983
	984	== 3.1 Configure Methods ==
	985
	986
16.1	987	SN50v3-LB supports below configure method:
2.1	988
	989	* AT Command via Bluetooth Connection (Recommended): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
	990	* 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]].
	991	* LoRaWAN Downlink. Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
	992
	993	== 3.2 General Commands ==
	994
	995
	996	These commands are to configure:
	997
	998	* General system settings like: uplink interval.
	999	* LoRaWAN protocol & radio related command.
	1000
	1001	They are same for all Dragino Devices which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
	1002
	1003	[[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/]]
	1004
	1005
16.1	1006	== 3.3 Commands special design for SN50v3-LB ==
2.1	1007
	1008
44.2	1009	These commands only valid for SN50v3-LB, as below:
2.1	1010
	1011
	1012	=== 3.3.1 Set Transmit Interval Time ===
	1013
43.51	1014
2.1	1015	Feature: Change LoRaWAN End Node Transmit Interval.
	1016
	1017	(% style="color:blue" %)AT Command: AT+TDC
	1018
	1019	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
52.2	1020	\|=(% style="width: 156px;background-color:#D9E2F3;color:#0070C0" %)Command Example\|=(% style="width: 137px;background-color:#D9E2F3;color:#0070C0" %)Function\|=(% style="background-color:#D9E2F3;color:#0070C0" %)Response
2.1	1021	\|(% style="width:156px" %)AT+TDC=?\|(% style="width:137px" %)Show current transmit Interval\|(((
	1022	30000
	1023	OK
	1024	the interval is 30000ms = 30s
	1025	)))
	1026	\|(% style="width:156px" %)AT+TDC=60000\|(% style="width:137px" %)Set Transmit Interval\|(((
	1027	OK
	1028	Set transmit interval to 60000ms = 60 seconds
	1029	)))
	1030
	1031	(% style="color:blue" %)Downlink Command: 0x01
	1032
	1033	Format: Command Code (0x01) followed by 3 bytes time value.
	1034
	1035	If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
	1036
	1037	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
	1038	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
	1039
	1040	=== 3.3.2 Get Device Status ===
	1041
43.52	1042
40.1	1043	Send a LoRaWAN downlink to ask the device to send its status.
2.1	1044
44.4	1045	(% style="color:blue" %)Downlink Payload: 0x26 01
2.1	1046
44.4	1047	Sensor will upload Device Status via FPORT=5. See payload section for detail.
2.1	1048
	1049
36.1	1050	=== 3.3.3 Set Interrupt Mode ===
2.1	1051
43.52	1052
2.1	1053	Feature, Set Interrupt mode for GPIO_EXIT.
	1054
36.1	1055	(% style="color:blue" %)AT Command: AT+INTMOD1，AT+INTMOD2，AT+INTMOD3
2.1	1056
	1057	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
52.3	1058	\|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)Command Example\|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)Function\|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)Response
36.1	1059	\|(% style="width:154px" %)AT+INTMOD1=?\|(% style="width:196px" %)Show current interrupt mode\|(% style="width:157px" %)(((
2.1	1060	0
	1061	OK
	1062	the mode is 0 =Disable Interrupt
	1063	)))
36.1	1064	\|(% style="width:154px" %)AT+INTMOD1=2\|(% style="width:196px" %)(((
2.1	1065	Set Transmit Interval
	1066	0. (Disable Interrupt),
	1067	~1. (Trigger by rising and falling edge)
	1068	2. (Trigger by falling edge)
	1069	3. (Trigger by rising edge)
	1070	)))\|(% style="width:157px" %)OK
36.1	1071	\|(% style="width:154px" %)AT+INTMOD2=3\|(% style="width:196px" %)(((
	1072	Set Transmit Interval
	1073	trigger by rising edge.
	1074	)))\|(% style="width:157px" %)OK
	1075	\|(% style="width:154px" %)AT+INTMOD3=0\|(% style="width:196px" %)Disable Interrupt\|(% style="width:157px" %)OK
	1076
2.1	1077	(% style="color:blue" %)Downlink Command: 0x06
	1078
	1079	Format: Command Code (0x06) followed by 3 bytes.
	1080
	1081	This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1082
36.1	1083	* Example 1: Downlink Payload: 06000000 ~-~--> AT+INTMOD1=0
	1084	* Example 2: Downlink Payload: 06000003 ~-~--> AT+INTMOD1=3
	1085	* Example 3: Downlink Payload: 06000102 ~-~--> AT+INTMOD2=2
	1086	* Example 4: Downlink Payload: 06000201 ~-~--> AT+INTMOD3=1
2.1	1087
36.1	1088	=== 3.3.4 Set Power Output Duration ===
	1089
43.52	1090
36.1	1091	Control the output duration 5V . Before each sampling, device will
	1092
	1093	~1. first enable the power output to external sensor,
	1094
	1095	2. keep it on as per duration, read sensor value and construct uplink payload
	1096
	1097	3. final, close the power output.
	1098
	1099	(% style="color:blue" %)AT Command: AT+5VT
	1100
	1101	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
52.3	1102	\|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)Command Example\|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)Function\|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)Response
36.1	1103	\|(% style="width:154px" %)AT+5VT=?\|(% style="width:196px" %)Show 5V open time.\|(% style="width:157px" %)(((
	1104	500(default)
	1105	OK
	1106	)))
	1107	\|(% style="width:154px" %)AT+5VT=1000\|(% style="width:196px" %)(((
	1108	Close after a delay of 1000 milliseconds.
	1109	)))\|(% style="width:157px" %)OK
	1110
	1111	(% style="color:blue" %)Downlink Command: 0x07
	1112
	1113	Format: Command Code (0x07) followed by 2 bytes.
	1114
	1115	The first and second bytes are the time to turn on.
	1116
40.1	1117	* Example 1: Downlink Payload: 070000 ~-~--> AT+5VT=0
	1118	* Example 2: Downlink Payload: 0701F4 ~-~--> AT+5VT=500
36.1	1119
	1120	=== 3.3.5 Set Weighing parameters ===
	1121
43.52	1122
37.1	1123	Feature: Working mode 5 is effective, weight initialization and weight factor setting of HX711.
36.1	1124
	1125	(% style="color:blue" %)AT Command: AT+WEIGRE,AT+WEIGAP
	1126
	1127	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
52.3	1128	\|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)Command Example\|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)Function\|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)Response
37.1	1129	\|(% style="width:154px" %)AT+WEIGRE\|(% style="width:196px" %)Weight is initialized to 0.\|(% style="width:157px" %)OK
	1130	\|(% style="width:154px" %)AT+WEIGAP=？\|(% style="width:196px" %)400.0\|(% style="width:157px" %)OK(default)
	1131	\|(% style="width:154px" %)AT+WEIGAP=400.3\|(% style="width:196px" %)Set the factor to 400.3.\|(% style="width:157px" %)OK
36.1	1132
	1133	(% style="color:blue" %)Downlink Command: 0x08
	1134
37.1	1135	Format: Command Code (0x08) followed by 2 bytes or 4 bytes.
36.1	1136
37.1	1137	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	1138
37.1	1139	The second and third bytes are multiplied by 10 times to be the AT+WEIGAP value.
36.1	1140
37.1	1141	* Example 1: Downlink Payload: 0801 ~-~--> AT+WEIGRE
	1142	* Example 2: Downlink Payload: 08020FA3 ~-~--> AT+WEIGAP=400.3
	1143	* Example 3: Downlink Payload: 08020FA0 ~-~--> AT+WEIGAP=400.0
	1144
36.1	1145	=== 3.3.6 Set Digital pulse count value ===
	1146
43.52	1147
36.1	1148	Feature: Set the pulse count value.
	1149
37.1	1150	Count 1 is PA8 pin of mode 6 and mode 9. Count 2 is PA4 pin of mode 9.
	1151
36.1	1152	(% style="color:blue" %)AT Command: AT+SETCNT
	1153
	1154	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
52.3	1155	\|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)Command Example\|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)Function\|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)Response
36.1	1156	\|(% style="width:154px" %)AT+SETCNT=1,100\|(% style="width:196px" %)Initialize the count value 1 to 100.\|(% style="width:157px" %)OK
	1157	\|(% style="width:154px" %)AT+SETCNT=2,0\|(% style="width:196px" %)Initialize the count value 2 to 0.\|(% style="width:157px" %)OK
	1158
	1159	(% style="color:blue" %)Downlink Command: 0x09
	1160
	1161	Format: Command Code (0x09) followed by 5 bytes.
	1162
	1163	The first byte is to select which count value to initialize, and the next four bytes are the count value to be initialized.
	1164
	1165	* Example 1: Downlink Payload: 090100000000 ~-~--> AT+SETCNT=1,0
37.1	1166	* Example 2: Downlink Payload: 0902000003E8 ~-~--> AT+SETCNT=2,1000
36.1	1167
	1168	=== 3.3.7 Set Workmode ===
	1169
43.52	1170
37.1	1171	Feature: Switch working mode.
36.1	1172
	1173	(% style="color:blue" %)AT Command: AT+MOD
	1174
	1175	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
52.3	1176	\|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)Command Example\|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)Function\|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)Response
36.1	1177	\|(% style="width:154px" %)AT+MOD=?\|(% style="width:196px" %)Get the current working mode.\|(% style="width:157px" %)(((
	1178	OK
	1179	)))
	1180	\|(% style="width:154px" %)AT+MOD=4\|(% style="width:196px" %)Set the working mode to 3DS18B20s.\|(% style="width:157px" %)(((
	1181	OK
	1182	Attention:Take effect after ATZ
	1183	)))
	1184
	1185	(% style="color:blue" %)Downlink Command: 0x0A
	1186
	1187	Format: Command Code (0x0A) followed by 1 bytes.
	1188
	1189	* Example 1: Downlink Payload: 0A01 ~-~--> AT+MOD=1
	1190	* Example 2: Downlink Payload: 0A04 ~-~--> AT+MOD=4
	1191
77.1	1192	(% id="H3.3.8PWMsetting" %)
72.1	1193	=== 3.3.8 PWM setting ===
	1194
74.5	1195
77.1	1196	(% class="mark" %)Feature: Set the time acquisition unit for PWM input capture.
72.1	1197
	1198	(% style="color:blue" %)AT Command: AT+PWMSET
	1199
	1200	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
77.1	1201	\|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)Command Example\|=(% style="width: 223px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)Function\|=(% style="width: 130px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)Response
	1202	\|(% style="width:154px" %)AT+PWMSET=?\|(% style="width:223px" %)0\|(% style="width:130px" %)(((
72.1	1203	0(default)
	1204
	1205	OK
	1206	)))
77.1	1207	\|(% 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	1208	OK
	1209
	1210	)))
77.1	1211	\|(% 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	1212
	1213	(% style="color:blue" %)Downlink Command: 0x0C
	1214
	1215	Format: Command Code (0x0C) followed by 1 bytes.
	1216
	1217	* Example 1: Downlink Payload: 0C00 ~-~--> AT+PWMSET=0
	1218	* Example 2: Downlink Payload: 0C01 ~-~--> AT+PWMSET=1
	1219
79.1	1220	(% class="mark" %)Feature: Set PWM output time, output frequency and output duty cycle.
77.1	1221
76.1	1222	(% style="color:blue" %)AT Command: AT+PWMOUT
75.1	1223
77.1	1224	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	1225	\|=(% style="width: 183px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)Command Example\|=(% style="width: 193px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)Function\|=(% style="width: 137px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)Response
	1226	\|(% style="width:183px" %)AT+PWMOUT=?\|(% style="width:193px" %)0\|(% style="width:137px" %)(((
76.1	1227	0,0,0(default)
75.1	1228
76.1	1229	OK
	1230	)))
77.1	1231	\|(% style="width:183px" %)AT+PWMOUT=0,0,0\|(% style="width:193px" %)The default is PWM input detection\|(% style="width:137px" %)(((
76.1	1232	OK
	1233
	1234	)))
77.1	1235	\|(% style="width:183px" %)AT+PWMOUT=5,1000,50\|(% style="width:193px" %)(((
	1236	The PWM output time is 5ms, the output frequency is 1000HZ, and the output duty cycle is 50%.
75.1	1237
77.1	1238
	1239	)))\|(% style="width:137px" %)(((
	1240	OK
	1241	)))
	1242
	1243	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	1244	\|=(% style="width: 155px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)Command Example\|=(% style="width: 112px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)Function\|=(% style="width: 242px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)parameters
	1245	\|(% colspan="1" rowspan="3" style="width:155px" %)(((
	1246	AT+PWMOUT=a,b,c
	1247
	1248
	1249	)))\|(% colspan="1" rowspan="3" style="width:112px" %)(((
79.1	1250	Set PWM output time, output frequency and output duty cycle.
	1251
	1252	(((
77.1	1253
	1254	)))
	1255
	1256	(((
	1257
	1258	)))
	1259	)))\|(% style="width:242px" %)(((
76.1	1260	a: Output time (unit: seconds)
75.1	1261
77.1	1262	The value ranges from 0 to 65535.
	1263
	1264	When a=65535, PWM will always output.
	1265	)))
	1266	\|(% style="width:242px" %)(((
76.1	1267	b: Output frequency (unit: HZ)
77.1	1268	)))
	1269	\|(% style="width:242px" %)(((
	1270	c: Output duty cycle (unit: %)
76.1	1271
77.1	1272	The value ranges from 0 to 100.
76.1	1273	)))
	1274
77.1	1275	(% style="color:blue" %)Downlink Command: 0x0B01
76.1	1276
77.1	1277	Format: Command Code (0x0B01) followed by 6 bytes.
76.1	1278
77.1	1279	Downlink payload：0B01 bb cc aa ~-~--> AT+PWMOUT=a,b,c
76.1	1280
77.1	1281	* Example 1: Downlink Payload: 0B01 03E8 0032 0005 ~-~--> AT+PWMSET=5,1000,50
	1282	* Example 2: Downlink Payload: 0B01 07D0 003C 000A ~-~--> AT+PWMSET=10,2000,60
76.1	1283
79.1	1284	= 4. Battery & Power Cons =
	1285
	1286
11.1	1287	SN50v3-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
2.1	1288
	1289	[[Battery Info & Power Consumption Analyze>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
	1290
	1291
	1292	= 5. OTA Firmware update =
	1293
	1294
	1295	(% class="wikigeneratedid" %)
44.4	1296	User can change firmware SN50v3-LB to:
2.1	1297
	1298	* Change Frequency band/ region.
	1299	* Update with new features.
	1300	* Fix bugs.
	1301
52.2	1302	Firmware and changelog can be downloaded from : [[Firmware download link>>https://www.dropbox.com/sh/4rov7bcp6u28exp/AACt-wAySd4si5AXi8DBmvSca?dl=0]]
2.1	1303
44.4	1304	Methods to Update Firmware:
2.1	1305
53.3	1306	* (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/]]
	1307	* 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	1308
	1309	= 6. FAQ =
	1310
17.1	1311	== 6.1 Where can i find source code of SN50v3-LB? ==
2.1	1312
43.52	1313
17.1	1314	* [[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].
	1315	* [[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].
2.1	1316
55.2	1317	== 6.2 How to generate PWM Output in SN50v3-LB? ==
	1318
	1319
55.1	1320	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]].
	1321
	1322
57.1	1323	== 6.3 How to put several sensors to a SN50v3-LB? ==
	1324
57.2	1325
57.1	1326	When we want to put several sensors to A SN50v3-LB, the waterproof at the grand connector will become an issue. User can try to exchange the grand connector to below type.
	1327
	1328	[[Reference Supplier>>https://www.yscableglands.com/cable-glands/nylon-cable-glands/cable-gland-rubber-seal.html]].
	1329
	1330	[[image:image-20230810121434-1.png\|\|height="242" width="656"]]
	1331
	1332
2.1	1333	= 7. Order Info =
	1334
	1335
10.1	1336	Part Number: (% style="color:blue" %)SN50v3-LB-XX-YY
2.1	1337
	1338	(% style="color:red" %)XX(%%): The default frequency band
11.1	1339
2.1	1340	* (% style="color:red" %)AS923(%%): LoRaWAN AS923 band
	1341	* (% style="color:red" %)AU915(%%): LoRaWAN AU915 band
	1342	* (% style="color:red" %)EU433(%%): LoRaWAN EU433 band
	1343	* (% style="color:red" %)EU868(%%): LoRaWAN EU868 band
	1344	* (% style="color:red" %)KR920(%%): LoRaWAN KR920 band
	1345	* (% style="color:red" %)US915(%%): LoRaWAN US915 band
	1346	* (% style="color:red" %)IN865(%%): LoRaWAN IN865 band
	1347	* (% style="color:red" %)CN470(%%): LoRaWAN CN470 band
	1348
10.1	1349	(% style="color:red" %)YY: (%%)Hole Option
2.1	1350
10.1	1351	* (% style="color:red" %)12(%%): With M12 waterproof cable hole
	1352	* (% style="color:red" %)16(%%): With M16 waterproof cable hole
	1353	* (% style="color:red" %)20(%%): With M20 waterproof cable hole
	1354	* (% style="color:red" %)NH(%%): No Hole
	1355
2.1	1356	= 8. Packing Info =
	1357
43.52	1358
2.1	1359	(% style="color:#037691" %)Package Includes:
	1360
10.1	1361	* SN50v3-LB LoRaWAN Generic Node
2.1	1362
	1363	(% style="color:#037691" %)Dimension and weight:
	1364
	1365	* Device Size: cm
	1366	* Device Weight: g
	1367	* Package Size / pcs : cm
	1368	* Weight / pcs : g
	1369
	1370	= 9. Support =
	1371
	1372
	1373	* 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	1374
41.4	1375	* 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

Applications