Summary

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Details

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Title

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1		-SN50v3-LB User Manual
	1	+SN50v3-LB LoRaWAN Sensor Node User Manual

Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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1	1	(% style="text-align:center" %)
2		-[[image:S31-B.jpg]]
	2	+[[image:image-20230515135611-1.jpeg||height="589" width="589"]]
3	3
4	4
5	5
6		-
7	7	**Table of Contents：**
8	8
9	9	{{toc/}}
...	...	@@ -15,32 +15,28 @@
15	15
16	16	= 1. Introduction =
17	17
18		-== 1.1 What is S31x-LB LoRaWAN Temperature & Humidity Sensor ==
	17	+== 1.1 What is SN50v3-LB LoRaWAN Generic Node ==
19	19
20		-The Dragino S31x-LB is a (% style="color:blue" %)**LoRaWAN Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:blue" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via LoRaWAN wireless protocol.
	19	+(% style="color:blue" %)**SN50V3-LB **(%%)LoRaWAN Sensor Node is a Long Range LoRa Sensor Node. It is designed for outdoor use and powered by (% style="color:blue" %)** 8500mA Li/SOCl2 battery**(%%) for long term use.SN50V3-LB is designed to facilitate developers to quickly deploy industrial level LoRa and IoT solutions. It help users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to program, create and connect your things everywhere.
21	21
22		-The temperature & humidity sensor used in S31x-LB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing**(%%) for long term use.
23	23
24		-The LoRa wireless technology used in S31x-LB allows device 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 minimizing current consumption.
	22	+(% style="color:blue" %)**SN50V3-LB wireless part**(%%) is based on SX1262 allows the user to send data and reach extremely long ranges at low data-rates.It provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
25	25
26		-S31x-LB supports (% style="color:blue" %)**Temperature & Humdity alarm feature**(%%), user can set temperature alarm for instant notice. S31x-LB supports Datalog feature, it can save the data when there is no LoRaWAN network and uplink when network recover.
27	27
28		-S31x-LB has max 3 probes which measure maximum 3 temperature points.
	25	+(% style="color:blue" %)**SN50V3-LB **(%%)has a powerful 48Mhz ARM microcontroller with 256KB flash and 64KB RAM. It has multiplex I/O pins to connect to different sensors.
29	29
30		-S31x-LB (% style="color:blue" %)**supports BLE configure**(%%) and (% style="color:blue" %)**wireless OTA update**(%%) which make user easy to use.
31	31
32		-S31x-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
	28	+(% style="color:blue" %)**SN50V3-LB**(%%) has a built-in BLE module, user can configure the sensor remotely via Mobile Phone. It also support OTA upgrade via private LoRa protocol for easy maintaining.
33	33
34		-Each S31x-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
35	35
	31	+SN50V3-LB is the 3^^rd^^ generation of LSN50 series generic sensor node from Dragino. It is an (% style="color:blue" %)**open source project**(%%) and has a mature LoRaWAN stack and application software. User can use the pre-load software for their IoT projects or easily customize the software for different requirements.
36	36
	33	+
37	37	== 1.2 ​Features ==
38	38
39	39	* LoRaWAN 1.0.3 Class A
40	40	* Ultra-low power consumption
41		-* External 3 meters SHT31 probe (For S31-LB)
42		-* Measure range -55°C ~~ 125°C
43		-* Temperature & Humidity alarm
	38	+* Open-Source hardware/software
44	44	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
45	45	* Support Bluetooth v5.1 and LoRaWAN remote configure
46	46	* Support wireless OTA update firmware
...	...	@@ -50,26 +50,20 @@
50	50
51	51	== 1.3 Specification ==
52	52
53		-
54	54	(% style="color:#037691" %)**Common DC Characteristics:**
55	55
56	56	* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
57	57	* Operating Temperature: -40 ~~ 85°C
58	58
59		-(% style="color:#037691" %)**Temperature Sensor:**
	53	+(% style="color:#037691" %)**I/O Interface:**
60	60
61		-* Range: -40 to + 80°C
62		-* Accuracy: ±0.2 @ 0-90 °C
63		-* Resolution: 0.1°C
64		-* Long Term Shift: <0.03 °C/yr
	55	+* Battery output (2.6v ~~ 3.6v depends on battery)
	56	+* +5v controllable output
	57	+* 3 x Interrupt or Digital IN/OUT pins
	58	+* 3 x one-wire interfaces
	59	+* 1 x UART Interface
	60	+* 1 x I2C Interface
65	65
66		-(% style="color:#037691" %)**Humidity Sensor: **
67		-
68		-* Range: 0 ~~ 99.9% RH
69		-* Accuracy: ± 2%RH ( 0 ~~ 100%RH)
70		-* Resolution: 0.01% RH
71		-* Long Term Shift: <0.25 %RH/yr
72		-
73	73	(% style="color:#037691" %)**LoRa Spec:**
74	74
75	75	* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
...	...	@@ -92,7 +92,6 @@
92	92
93	93	== 1.4 Sleep mode and working mode ==
94	94
95		-
96	96	(% 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.
97	97
98	98	(% 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.
...	...	@@ -120,7 +120,7 @@
120	120	== 1.6 BLE connection ==
121	121
122	122
123		-S31x-LB support BLE remote configure.
	111	+SN50v3-LB supports BLE remote configure.
124	124
125	125
126	126	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:
...	...	@@ -132,46 +132,37 @@
132	132	If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
133	133
134	134
135		-== 1.7  Hardware Variant ==
	123	+== 1.7 Pin Definitions ==
136	136
137	137
138		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
139		-|=(% style="width: 102px;background-color:#D9E2F3;color:#0070C0" %)Model|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)Photo|=(% style="width: 218px;background-color:#D9E2F3;color:#0070C0" %)Probe Info
140		-|(% style="width:102px" %)S31-LB|(% style="width:190px" %)[[image:S31.jpg]]|(% style="width:297px" %)(((
141		-1 x SHT31 Probe
	126	+[[image:image-20230513102034-2.png]]
142	142
143		-Cable Length : 2 meters
144	144
145		-
146		-)))
147		-|(% style="width:102px" %)S31B-LB|(% style="width:190px" %)[[image:S31B.jpg]]|(% style="width:297px" %)(((
148		-1 x SHT31 Probe
	129	+== 1.8 Mechanical ==
149	149
150		-Installed in device.
151		-)))
152	152
153		-(% style="display:none" %)
	132	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
154	154
	134	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
155	155
	136	+[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
156	156
157		-== 1.8 Mechanical ==
158	158
	139	+== Hole Option ==
159	159
160		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
	141	+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:
161	161
	143	+[[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"]]
162	162
163		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
	145	+[[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"]]
164	164
165	165
166		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
	148	+= 2. Configure SN50v3-LB to connect to LoRaWAN network =
167	167
168		-
169		-= 2. Configure S31x-LB to connect to LoRaWAN network =
170		-
171	171	== 2.1 How it works ==
172	172
173	173
174		-The S31x-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the S31x-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
	153	+The SN50v3-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and press the button to activate the S31x-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
175	175
176	176
177	177	== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
...	...	@@ -182,11 +182,11 @@
182	182	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.
183	183
184	184
185		-(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from S31x-LB.
	164	+(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from SN50v3-LB.
186	186
187		-Each S31x-LB is shipped with a sticker with the default device EUI as below:
	166	+Each SN50v3-LB is shipped with a sticker with the default device EUI as below:
188	188
189		-[[image:image-20230426084152-1.png||alt="图片-20230426084152-1.png" height="233" width="502"]]
	168	+[[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"]]
190	190
191	191
192	192	You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
...	...	@@ -213,10 +213,10 @@
213	213	[[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"]]
214	214
215	215
216		-(% style="color:blue" %)**Step 2:**(%%) Activate on S31x-LB
	195	+(% style="color:blue" %)**Step 2:**(%%) Activate SN50v3-LB
217	217
218	218
219		-Press the button for 5 seconds to activate the S31x-LB.
	198	+Press the button for 5 seconds to activate the SN50v3-LB.
220	220
221	221	(% 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.
222	222
...	...	@@ -228,7 +228,7 @@
228	228	=== 2.3.1 Device Status, FPORT~=5 ===
229	229
230	230
231		-Users can use the downlink command(**0x26 01**) to ask S31x-LB to send device configure detail, include device configure status. S31x-LB will uplink a payload via FPort=5 to server.
	210	+Users can use the downlink command(**0x26 01**) to ask SN50v3 to send device configure detail, include device configure status. SN50v3 will uplink a payload via FPort=5 to server.
232	232
233	233	The Payload format is as below.
234	234
...	...	@@ -240,11 +240,9 @@
240	240
241	241	Example parse in TTNv3
242	242
243		-[[image:image-20230421171614-1.png||alt="图片-20230421171614-1.png"]]
244	244
	223	+(% style="color:#037691" %)**Sensor Model**(%%): For SN50v3, this value is 0x1C
245	245
246		-(% style="color:#037691" %)**Sensor Model**(%%): For S31x-LB, this value is 0x0A
247		-
248	248	(% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
249	249
250	250	(% style="color:#037691" %)**Frequency Band**:
...	...	@@ -296,39 +296,396 @@
296	296	Ex2: 0x0B49 = 2889mV
297	297
298	298
299		-=== 2.3.2  Sensor Data. FPORT~=2 ===
	276	+=== 2.3.2 Working Modes & Sensor Data. Uplink via FPORT~=2 ===
300	300
301	301
302		-Sensor Data is uplink via FPORT=2
	279	+SN50v3 has different working mode for the connections of different type of sensors. This section describes these modes. Use can use the AT Command AT+MOD to set SN50v3 to different working modes.
303	303
304		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
305		-|=(% style="width: 90px;background-color:#D9E2F3" %)(((
	281	+For example:
	282	+
	283	+ **AT+MOD=2  ** ~/~/ will set the SN50v3 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
	284	+
	285	+
	286	+(% style="color:red" %) **Important Notice:**
	287	+
	288	+1. Some working modes has payload more than 12 bytes, The US915/AU915/AS923 frequency bands' definition has maximum 11 bytes in **DR0**. Server sides will see NULL payload while SN50v3 transmit in DR0 with 12 bytes payload.
	289	+1. All modes share the same Payload Explanation from HERE.
	290	+1. By default, the device will send an uplink message every 20 minutes.
	291	+
	292	+==== 2.3.2.1  MOD~=1 (Default Mode) ====
	293	+
	294	+In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2.
	295	+
	296	+(% style="width:1110px" %)
	297	+|**Size(bytes)**|**2**|(% style="width:191px" %)**2**|(% style="width:78px" %)**2**|(% style="width:216px" %)**1**|(% style="width:308px" %)**2**|(% style="width:154px" %)**2**
	298	+|**Value**|Bat|(% style="width:191px" %)(((
	299	+Temperature(DS18B20)
	300	+
	301	+(PC13)
	302	+)))|(% style="width:78px" %)(((
	303	+ADC
	304	+
	305	+(PA4)
	306	+)))|(% style="width:216px" %)(((
	307	+Digital in(PB15) &
	308	+
	309	+Digital Interrupt(PA8)
	310	+
	311	+
	312	+)))|(% style="width:308px" %)(((
	313	+Temperature
	314	+
	315	+(SHT20 or SHT31 or BH1750 Illumination Sensor)
	316	+)))|(% style="width:154px" %)(((
	317	+Humidity
	318	+
	319	+(SHT20 or SHT31)
	320	+)))
	321	+
	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	+
	325	+==== 2.3.2.2  MOD~=2 (Distance Mode) ====
	326	+
	327	+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.
	328	+
	329	+(% style="width:1011px" %)
	330	+|**Size(bytes)**|**2**|(% style="width:196px" %)**2**|(% style="width:87px" %)**2**|(% style="width:189px" %)**1**|(% style="width:208px" %)**2**|(% style="width:117px" %)**2**
	331	+|**Value**|BAT|(% style="width:196px" %)(((
	332	+Temperature(DS18B20)
	333	+
	334	+(PC13)
	335	+)))|(% style="width:87px" %)(((
	336	+ADC
	337	+
	338	+(PA4)
	339	+)))|(% style="width:189px" %)(((
	340	+Digital in(PB15) &
	341	+
	342	+Digital Interrupt(PA8)
	343	+)))|(% style="width:208px" %)(((
	344	+Distance measure by:
	345	+1) LIDAR-Lite V3HP
	346	+Or
	347	+2) Ultrasonic Sensor
	348	+)))|(% style="width:117px" %)Reserved
	349	+
	350	+[[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"]]
	351	+
	352	+**Connection of LIDAR-Lite V3HP:**
	353	+
	354	+[[image:image-20230512173758-5.png||height="563" width="712"]]
	355	+
	356	+**Connection to Ultrasonic Sensor:**
	357	+
	358	+Need to remove R1 and R2 resistors to get low power,otherwise there will be 240uA standby current.
	359	+
	360	+[[image:image-20230512173903-6.png||height="596" width="715"]]
	361	+
	362	+For the connection to TF-Mini or TF-Luna , MOD2 payload is as below:
	363	+
	364	+(% style="width:1113px" %)
	365	+|**Size(bytes)**|**2**|(% style="width:183px" %)**2**|(% style="width:173px" %)**1**|(% style="width:84px" %)**2**|(% style="width:323px" %)**2**|(% style="width:188px" %)**2**
	366	+|**Value**|BAT|(% style="width:183px" %)(((
	367	+Temperature(DS18B20)
	368	+
	369	+(PC13)
	370	+)))|(% style="width:173px" %)(((
	371	+Digital in(PB15) &
	372	+
	373	+Digital Interrupt(PA8)
	374	+)))|(% style="width:84px" %)(((
	375	+ADC
	376	+
	377	+(PA4)
	378	+)))|(% style="width:323px" %)(((
	379	+Distance measure by:1)TF-Mini plus LiDAR
	380	+Or
	381	+2) TF-Luna LiDAR
	382	+)))|(% style="width:188px" %)Distance signal  strength
	383	+
	384	+[[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"]]
	385	+
	386	+**Connection to [[TF-Mini plus>>url:http://en.benewake.com/product/detail/5c345cd0e5b3a844c472329b.html]] LiDAR(UART version):**
	387	+
	388	+Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.
	389	+
	390	+[[image:image-20230512180609-7.png||height="555" width="802"]]
	391	+
	392	+**Connection to [[TF-Luna>>url:http://en.benewake.com/product/detail/5e1c1fd04d839408076b6255.html]] LiDAR (UART version):**
	393	+
	394	+Need to remove R3 and R4 resistors to get low power,otherwise there will be 400uA standby current.
	395	+
	396	+[[image:image-20230513105207-4.png||height="469" width="802"]]
	397	+
	398	+
	399	+==== 2.3.2.3  MOD~=3 (3 ADC + I2C) ====
	400	+
	401	+This mode has total 12 bytes. Include 3 x ADC + 1x I2C
	402	+
	403	+(% style="width:1031px" %)
	404	+|=(((
306	306	**Size(bytes)**
307		-)))|=(% style="width: 80px;background-color:#D9E2F3" %)2|=(% style="width: 90px;background-color:#D9E2F3" %)4|=(% style="width:80px;background-color:#D9E2F3" %)1|=(% style="width: 80px;background-color:#D9E2F3" %)**2**|=(% style="width: 80px;background-color:#D9E2F3" %)2
308		-|(% style="width:99px" %)**Value**|(% style="width:69px" %)(((
309		-[[Battery>>||anchor="HBattery:"]]
310		-)))|(% style="width:130px" %)(((
311		-[[Unix TimeStamp>>||anchor="H2.5.2UnixTimeStamp"]]
312		-)))|(% style="width:91px" %)(((
313		-[[Alarm Flag>>||anchor="HAlarmFlag26MOD:"]]
314		-)))|(% style="width:103px" %)(((
315		-[[Temperature>>||anchor="HTemperature:"]]
316		-)))|(% style="width:80px" %)(((
317		-[[Humidity>>||anchor="HHumidity:"]]
	406	+)))|=(% style="width: 68px;" %)**2**|=(% style="width: 75px;" %)**2**|=**2**|=**1**|=(% style="width: 304px;" %)2|=(% style="width: 163px;" %)2|=(% style="width: 53px;" %)1
	407	+|**Value**|(% style="width:68px" %)(((
	408	+ADC1
	409	+
	410	+(PA4)
	411	+)))|(% style="width:75px" %)(((
	412	+ADC2
	413	+
	414	+(PA5)
	415	+)))|(((
	416	+ADC3
	417	+
	418	+(PA8)
	419	+)))|(((
	420	+Digital Interrupt(PB15)
	421	+)))|(% style="width:304px" %)(((
	422	+Temperature
	423	+
	424	+(SHT20 or SHT31 or BH1750 Illumination Sensor)
	425	+)))|(% style="width:163px" %)(((
	426	+Humidity
	427	+
	428	+(SHT20 or SHT31)
	429	+)))|(% style="width:53px" %)Bat
	430	+
	431	+[[image:image-20230513110214-6.png]]
	432	+
	433	+
	434	+==== 2.3.2.4 MOD~=4 (3 x DS18B20) ====
	435	+
	436	+
	437	+This mode has total 11 bytes. As shown below:
	438	+
	439	+(% style="width:1017px" %)
	440	+|**Size(bytes)**|**2**|(% style="width:186px" %)**2**|(% style="width:82px" %)**2**|(% style="width:210px" %)**1**|(% style="width:191px" %)**2**|(% style="width:183px" %)**2**
	441	+|**Value**|BAT|(% style="width:186px" %)(((
	442	+Temperature1(DS18B20)
	443	+(PC13)
	444	+)))|(% style="width:82px" %)(((
	445	+ADC
	446	+
	447	+(PA4)
	448	+)))|(% style="width:210px" %)(((
	449	+Digital in(PB15) &
	450	+
	451	+Digital Interrupt(PA8)
	452	+)))|(% style="width:191px" %)Temperature2(DS18B20)
	453	+(PB9)|(% style="width:183px" %)Temperature3(DS18B20)
	454	+(PB8)
	455	+
	456	+[[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"]]
	457	+
	458	+[[image:image-20230513134006-1.png||height="559" width="736"]]
	459	+
	460	+
	461	+==== 2.3.2.5  MOD~=5(Weight Measurement by HX711) ====
	462	+
	463	+[[image:image-20230512164658-2.png||height="532" width="729"]]
	464	+
	465	+Each HX711 need to be calibrated before used. User need to do below two steps:
	466	+
	467	+1. Zero calibration. Don't put anything on load cell and run **AT+WEIGRE** to calibrate to Zero gram.
	468	+1. Adjust calibration factor (default value 400): Put a known weight thing on load cell and run **AT+WEIGAP** to adjust the Calibration Factor.
	469	+1. (((
	470	+Weight has 4 bytes, the unit is g.
318	318	)))
319	319
320		-==== (% style="color:#4472c4" %)**Battery**(%%) ====
	473	+For example:
321	321
322		-Sensor Battery Level.
	475	+**AT+GETSENSORVALUE =0**
323	323
	477	+Response:  Weight is 401 g
	478	+
	479	+Check the response of this command and adjust the value to match the real value for thing.
	480	+
	481	+(% style="width:767px" %)
	482	+|=(((
	483	+**Size(bytes)**
	484	+)))|=**2**|=(% style="width: 193px;" %)**2**|=(% style="width: 85px;" %)**2**|=(% style="width: 186px;" %)**1**|=(% style="width: 100px;" %)**4**
	485	+|**Value**|BAT|(% style="width:193px" %)(((
	486	+Temperature(DS18B20)
	487	+
	488	+(PC13)
	489	+
	490	+
	491	+)))|(% style="width:85px" %)(((
	492	+ADC
	493	+
	494	+(PA4)
	495	+)))|(% style="width:186px" %)(((
	496	+Digital in(PB15) &
	497	+
	498	+Digital Interrupt(PA8)
	499	+)))|(% style="width:100px" %)Weight
	500	+
	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/image-20220820120036-2.png?width=1003&height=469&rev=1.1||alt="image-20220820120036-2.png" height="469" width="1003"]]
	502	+
	503	+
	504	+==== 2.3.2.6  MOD~=6 (Counting Mode) ====
	505	+
	506	+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.
	507	+
	508	+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.
	509	+
	510	+[[image:image-20230512181814-9.png||height="543" width="697"]]
	511	+
	512	+**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.
	513	+
	514	+(% style="width:961px" %)
	515	+|=**Size(bytes)**|=**2**|=(% style="width: 256px;" %)**2**|=(% style="width: 108px;" %)**2**|=(% style="width: 126px;" %)**1**|=(% style="width: 145px;" %)**4**
	516	+|**Value**|BAT|(% style="width:256px" %)(((
	517	+Temperature(DS18B20)
	518	+
	519	+(PC13)
	520	+)))|(% style="width:108px" %)(((
	521	+ADC
	522	+
	523	+(PA4)
	524	+)))|(% style="width:126px" %)(((
	525	+Digital in
	526	+
	527	+(PB15)
	528	+)))|(% style="width:145px" %)(((
	529	+Count
	530	+
	531	+(PA8)
	532	+)))
	533	+
	534	+[[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"]]
	535	+
	536	+
	537	+==== 2.3.2.7  MOD~=7 (Three interrupt contact modes) ====
	538	+
	539	+(% style="width:1108px" %)
	540	+|=(((
	541	+**Size(bytes)**
	542	+)))|=**2**|=(% style="width: 188px;" %)**2**|=(% style="width: 83px;" %)**2**|=(% style="width: 184px;" %)**1**|=(% style="width: 186px;" %)**1**|=(% style="width: 197px;" %)1|=(% style="width: 100px;" %)2
	543	+|**Value**|BAT|(% style="width:188px" %)(((
	544	+Temperature(DS18B20)
	545	+
	546	+(PC13)
	547	+)))|(% style="width:83px" %)(((
	548	+ADC
	549	+
	550	+(PA5)
	551	+)))|(% style="width:184px" %)(((
	552	+Digital Interrupt1(PA8)
	553	+)))|(% style="width:186px" %)Digital Interrupt2(PA4)|(% style="width:197px" %)Digital Interrupt3(PB15)|(% style="width:100px" %)Reserved
	554	+
	555	+[[image:image-20230513111203-7.png||height="324" width="975"]]
	556	+
	557	+==== 2.3.2.8  MOD~=8 （3ADC+1DS18B20） ====
	558	+
	559	+(% style="width:922px" %)
	560	+|=(((
	561	+**Size(bytes)**
	562	+)))|=**2**|=(% style="width: 207px;" %)**2**|=(% style="width: 94px;" %)**2**|=(% style="width: 198px;" %)**1**|=(% style="width: 84px;" %)**2**|=(% style="width: 82px;" %)2
	563	+|**Value**|BAT|(% style="width:207px" %)(((
	564	+Temperature(DS18B20)
	565	+
	566	+(PC13)
	567	+)))|(% style="width:94px" %)(((
	568	+ADC1
	569	+
	570	+(PA4)
	571	+)))|(% style="width:198px" %)(((
	572	+Digital Interrupt(PB15)
	573	+)))|(% style="width:84px" %)(((
	574	+ADC2
	575	+
	576	+(PA5)
	577	+)))|(% style="width:82px" %)(((
	578	+ADC3
	579	+
	580	+(PA8)
	581	+)))
	582	+
	583	+[[image:image-20230513111231-8.png||height="335" width="900"]]
	584	+
	585	+
	586	+==== 2.3.2.9  MOD~=9 (3DS18B20+ two Interrupt count mode) ====
	587	+
	588	+(% style="width:1010px" %)
	589	+|=(((
	590	+**Size(bytes)**
	591	+)))|=**2**|=**2**|=**2**|=**1**|=(% style="width: 193px;" %)**2**|=(% style="width: 78px;" %)4|=(% style="width: 78px;" %)4
	592	+|**Value**|BAT|(((
	593	+Temperature1(DS18B20)
	594	+
	595	+(PC13)
	596	+)))|(((
	597	+Temperature2(DS18B20)
	598	+
	599	+(PB9)
	600	+)))|(((
	601	+Digital Interrupt
	602	+
	603	+(PB15)
	604	+)))|(% style="width:193px" %)(((
	605	+Temperature3(DS18B20)
	606	+
	607	+(PB8)
	608	+)))|(% style="width:78px" %)(((
	609	+Count1
	610	+
	611	+(PA8)
	612	+)))|(% style="width:78px" %)(((
	613	+Count2
	614	+
	615	+(PA4)
	616	+)))
	617	+
	618	+[[image:image-20230513111255-9.png||height="341" width="899"]]
	619	+
	620	+**The newly added AT command is issued correspondingly:**
	621	+
	622	+**~ AT+INTMOD1** ** PA8**  pin：  Corresponding downlink:  **06 00 00 xx**
	623	+
	624	+**~ AT+INTMOD2**  **PA4**  pin：  Corresponding downlink:**  06 00 01 xx**
	625	+
	626	+**~ AT+INTMOD3**  **PB15**  pin：  Corresponding downlink:  ** 06 00 02 xx**
	627	+
	628	+**AT+SETCNT=aa,bb**
	629	+
	630	+When AA is 1, set the count of PA8 pin to BB Corresponding downlink：09 01 bb bb bb bb
	631	+
	632	+When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
	633	+
	634	+
	635	+
	636	+=== 2.3.3  ​Decode payload ===
	637	+
	638	+While using TTN V3 network, you can add the payload format to decode the payload.
	639	+
	640	+[[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"]]
	641	+
	642	+The payload decoder function for TTN V3 are here:
	643	+
	644	+SN50v3 TTN V3 Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
	645	+
	646	+
	647	+==== 2.3.3.1 Battery Info ====
	648	+
	649	+Check the battery voltage for SN50v3.
	650	+
324	324	Ex1: 0x0B45 = 2885mV
325	325
326	326	Ex2: 0x0B49 = 2889mV
327	327
328	328
	656	+==== 2.3.3.2  Temperature (DS18B20) ====
329	329
330		-==== (% style="color:#4472c4" %)**Temperature**(%%) ====
	658	+If there is a DS18B20 connected to PB3 pin. The temperature will be uploaded in the payload.
331	331
	660	+More DS18B20 can check the [[3 DS18B20 mode>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#2.3.4MOD3D4283xDS18B2029]]
	661	+
	662	+**Connection:**
	663	+
	664	+[[image:image-20230512180718-8.png||height="538" width="647"]]
	665	+
332	332	**Example**:
333	333
334	334	If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
...	...	@@ -338,195 +338,208 @@
338	338	（FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
339	339
340	340
341		-==== (% style="color:#4472c4" %)**Humidity**(%%) ====
	675	+==== 2.3.3.3 Digital Input ====
342	342
	677	+The digital input for pin PB15,
343	343
344		-Read:0x(0197)=412    Value:  412 / 10=41.2, So 41.2%
	679	+* When PB15 is high, the bit 1 of payload byte 6 is 1.
	680	+* When PB15 is low, the bit 1 of payload byte 6 is 0.
345	345
	682	+(% class="wikigeneratedid" id="H2.3.3.4A0AnalogueDigitalConverter28ADC29" %)
	683	+(((
	684	+When the digital interrupt pin is set to AT+INTMODx=0, this pin is used as a digital input pin.
346	346
347		-==== (% style="color:#4472c4" %)**Alarm Flag& MOD**(%%) ====
	686	+**Note:**The maximum voltage input supports 3.6V.
	687	+)))
348	348
	689	+==== 2.3.3.4  Analogue Digital Converter (ADC) ====
349	349
350		-**Example:**
	691	+The measuring range of the ADC is only about 0V to 1.1V The voltage resolution is about 0.24mv.
351	351
352		-If payload & 0x01 = 0x01  **~-~->** This is an Alarm Message
	693	+When the measured output voltage of the sensor is not within the range of 0V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
353	353
354		-If payload & 0x01 = 0x00  **~-~->** This is a normal uplink message, no alarm
	695	+[[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"]]
355	355
356		-If payload >> 2 = 0x00  **~-~->**  means MOD=1, This is a sampling uplink message
	697	+**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.
357	357
358		-If payload >> 2 = 0x31  **~-~->**  means MOD=31, this message is a reply message for polling, this message contains the alarm settings. see [[this link>>path:#HPolltheAlarmsettings:]] for detail.
	699	+==== 2.3.3.5 Digital Interrupt ====
359	359
	701	+Digital Interrupt refers to pin PA8, and there are different trigger methods. When there is a trigger, the SN50v3 will send a packet to the server.
360	360
361		-== 2.4 Payload Decoder file ==
	703	+**~ Interrupt connection method:**
362	362
	705	+[[image:image-20230513105351-5.png||height="147" width="485"]]
363	363
364		-In TTN, use can add a custom payload so it shows friendly reading
	707	+**Example to use with door sensor :**
365	365
366		-In the page (% style="color:#037691" %)**Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder**(%%) to add the decoder from:
	709	+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.
367	367
368		-[[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B >>https://github.com/dragino/dragino-end-node-decoder/tree/main/LSN50v2-S31%26S31B]]
	711	+[[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"]]
369	369
	713	+When the two pieces are close to each other, the 2 wire output will be short or open (depending on the type), while if the two pieces are away from each other, the 2 wire output will be the opposite status. So we can use SN50_v3 interrupt interface to detect the status for the door or window.
370	370
371		-== 2.5 Datalog Feature ==
	715	+**~ Below is the installation example:**
372	372
	717	+Fix one piece of the magnetic sensor to the door and connect the two pins to SN50_v3 as follows:
373	373
374		-Datalog Feature is to ensure IoT Server can get all sampling data from Sensor even if the LoRaWAN network is down. For each sampling, S31x-LB will store the reading for future retrieving purposes.
	719	+* (((
	720	+One pin to SN50_v3's PA8 pin
	721	+)))
	722	+* (((
	723	+The other pin to SN50_v3's VDD pin
	724	+)))
375	375
	726	+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.
376	376
377		-=== 2.5.1 Ways to get datalog via LoRaWAN ===
	728	+Door sensors have two types: ** NC (Normal close)** and **NO (normal open)**. The connection for both type sensors are the same. But the decoding for payload are reverse, user need to modify this in the IoT Server decoder.
378	378
	730	+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.
379	379
380		-Set [[PNACKMD=1>>||anchor="H2.5.4DatalogUplinkpayloadA028FPORT3D329"]], S31x-LB will wait for ACK for every uplink, when there is no LoRaWAN network,S31x-LB will mark these records with non-ack messages and store the sensor data, and it will send all messages (10s interval) after the network recovery.
	732	+[[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"]]
381	381
382		-* a) S31x-LB will do an ACK check for data records sending to make sure every data arrive server.
383		-* b) S31x-LB will send data in **CONFIRMED Mode** when PNACKMD=1, but S31x-LB won't re-transmit the packet if it doesn't get ACK, it will just mark it as a NONE-ACK message. In a future uplink if S31x-LB gets a ACK, S31x-LB will consider there is a network connection and resend all NONE-ACK messages.
	734	+The above photos shows the two parts of the magnetic switch fitted to a door.
384	384
385		-Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
	736	+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.
386	386
387		-[[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-20220703111700-2.png?width=1119&height=381&rev=1.1||alt="图片-20220703111700-2.png" height="381" width="1119"]]
	738	+The command is:
388	388
389		-=== 2.5.2 Unix TimeStamp ===
	740	+**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]]**. **)
390	390
	742	+Below shows some screen captures in TTN V3:
391	391
392		-S31x-LB uses Unix TimeStamp format based on
	744	+[[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"]]
393	393
394		-[[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-20220523001219-11.png?width=627&height=97&rev=1.1||alt="图片-20220523001219-11.png" height="97" width="627"]]
	746	+In MOD=1, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below:
395	395
396		-User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
	748	+door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
397	397
398		-Below is the converter example
399	399
400		-[[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-20220523001219-12.png?width=720&height=298&rev=1.1||alt="图片-20220523001219-12.png" height="298" width="720"]]
	751	+==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ====
401	401
402		-So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
	753	+The SDA and SCK are I2C interface lines. You can use these to connect to an I2C device and get the sensor data.
403	403
	755	+We have made an example to show how to use the I2C interface to connect to the SHT20/ SHT31 Temperature and Humidity Sensor.
404	404
405		-=== 2.5.3 Set Device Time ===
	757	+Notice: Different I2C sensors have different I2C commands set and initiate process, if user want to use other I2C sensors, User need to re-write the source code to support those sensors. SHT20/ SHT31 code in SN50_v3 will be a good reference.
406	406
	759	+Below is the connection to SHT20/ SHT31. The connection is as below:
407	407
408		-User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
409	409
410		-Once S31x-LB Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to S31x-LB. If S31x-LB fails to get the time from the server, S31x-LB will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
	762	+[[image:image-20230513103633-3.png||height="448" width="716"]]
411	411
412		-(% style="color:red" %)**Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn't support. If server doesn't support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.**
	764	+The device will be able to get the I2C sensor data now and upload to IoT Server.
413	413
	766	+[[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"]]
414	414
415		-=== 2.5.4 Datalog Uplink payload (FPORT~=3) ===
	768	+Convert the read byte to decimal and divide it by ten.
416	416
	770	+**Example:**
417	417
418		-The Datalog uplinks will use below payload format.
	772	+Temperature:  Read:0116(H) = 278(D)  Value:  278 /10=27.8℃;
419	419
420		-**Retrieval data payload:**
	774	+Humidity:    Read:0248(H)=584(D)  Value:  584 / 10=58.4, So 58.4%
421	421
422		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
423		-|=(% style="width: 80px;background-color:#D9E2F3" %)(((
424		-**Size(bytes)**
425		-)))|=(% style="width: 60px; background-color: rgb(217, 226, 243);" %)**2**|=(% style="width: 60px; background-color: rgb(217, 226, 243);" %)**2**|=(% style="width: 120px; background-color: rgb(217, 226, 243);" %)**2**|=(% style="width: 103px; background-color: rgb(217, 226, 243);" %)**1**|=(% style="width: 85px; background-color: rgb(217, 226, 243);" %)**4**
426		-|(% style="width:103px" %)**Value**|(% style="width:54px" %)(((
427		-[[Temp_Black>>||anchor="HTemperatureBlack:"]]
428		-)))|(% style="width:51px" %)[[Temp_White>>||anchor="HTemperatureWhite:"]]|(% style="width:89px" %)[[Temp_ Red or Temp _White>>||anchor="HTemperatureREDorTemperatureWhite:"]]|(% style="width:103px" %)Poll message flag & Ext|(% style="width:54px" %)[[Unix Time Stamp>>||anchor="H2.5.2UnixTimeStamp"]]
	776	+If you want to use other I2C device, please refer the SHT20 part source code as reference.
429	429
430		-**Poll message flag & Ext:**
431	431
432		-[[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-20221006192726-1.png?width=754&height=112&rev=1.1||alt="图片-20221006192726-1.png" height="112" width="754"]]
	779	+==== 2.3.3.7  ​Distance Reading ====
433	433
434		-**No ACK Message**:  1: This message means this payload is fromn Uplink Message which doesn't get ACK from the server before ( for **PNACKMD=1** feature)
	781	+Refer [[Ultrasonic Sensor section>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/#H2.4.8UltrasonicSensor]].
435	435
436		-**Poll Message Flag**: 1: This message is a poll message reply.
437	437
438		-* Poll Message Flag is set to 1.
	784	+==== 2.3.3.8 Ultrasonic Sensor ====
439	439
440		-* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
	786	+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]]
441	441
442		-For example, in US915 band, the max payload for different DR is:
	788	+The SN50_v3 detects the pulse width of the sensor and converts it to mm output. The accuracy will be within 1 centimeter. The usable range (the distance between the ultrasonic probe and the measured object) is between 24cm and 600cm.
443	443
444		-**a) DR0:** max is 11 bytes so one entry of data
	790	+The working principle of this sensor is similar to the **HC-SR04** ultrasonic sensor.
445	445
446		-**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
	792	+The picture below shows the connection:
447	447
448		-**c) DR2:** total payload includes 11 entries of data
	794	+[[image:image-20230512173903-6.png||height="596" width="715"]]
449	449
450		-**d) DR3: **total payload includes 22 entries of data.
	796	+Connect to the SN50_v3 and run **AT+MOD=2** to switch to ultrasonic mode (ULT).
451	451
452		-If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0
	798	+The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value.
453	453
454		-
455	455	**Example:**
456	456
457		-If S31x-LB has below data inside Flash:
	802	+Distance:  Read: 0C2D(Hex) = 3117(D)  Value:  3117 mm=311.7 cm
458	458
459		-[[image:1682646494051-944.png]]
460	460
461		-If user sends below downlink command: 3160065F9760066DA705
462	462
463		-Where : Start time: 60065F97 = time 21/1/19 04:27:03
	806	+==== 2.3.3.9  Battery Output - BAT pin ====
464	464
465		- Stop time: 60066DA7= time 21/1/19 05:27:03
	808	+The BAT pin of SN50v3 is connected to the Battery directly. If users want to use BAT pin to power an external sensor. User need to make sure the external sensor is of low power consumption. Because the BAT pin is always open. If the external sensor is of high power consumption. the battery of SN50v3-LB will run out very soon.
466	466
467	467
468		-**S31x-LB will uplink this payload.**
	811	+==== 2.3.3.10  +5V Output ====
469	469
470		-[[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-20220523001219-13.png?width=727&height=421&rev=1.1||alt="图片-20220523001219-13.png" height="421" width="727"]]
	813	+SN50v3 will enable +5V output before all sampling and disable the +5v after all sampling.
471	471
472		-(((
473		-__**7FFF089801464160065F97**__ **__7FFF__ __088E__ __014B__ __41__ __60066009__** 7FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
474		-)))
	815	+The 5V output time can be controlled by AT Command.
475	475
476		-(((
477		-Where the first 11 bytes is for the first entry:
478		-)))
	817	+**AT+5VT=1000**
479	479
480		-(((
481		-7FFF089801464160065F97
482		-)))
	819	+Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.
483	483
484		-(((
485		-**Ext sensor data**=0x7FFF/100=327.67
486		-)))
	821	+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.
487	487
488		-(((
489		-**Temp**=0x088E/100=22.00
490		-)))
491	491
492		-(((
493		-**Hum**=0x014B/10=32.6
494		-)))
495	495
496		-(((
497		-**poll message flag & Ext**=0x41,means reply data,Ext=1
498		-)))
	825	+==== 2.3.3.11  BH1750 Illumination Sensor ====
499	499
500		-(((
501		-**Unix time** is 0x60066009=1611030423s=21/1/19 04:27:03
502		-)))
	827	+MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes.
503	503
	829	+[[image:image-20230512172447-4.png||height="416" width="712"]]
504	504
505		-(% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||alt="数据 URI 图片" data-widget="image" draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||alt="数据 URI 图片" draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="单击并拖动以调整大小" %)的(% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||alt="数据 URI 图片" data-widget="image" draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220, 220, 220, 0.5); display:none" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||alt="数据 URI 图片" draggable="true" height="15" role="presentation" title="单击并拖动以移动" width="15"]](% aria-label="数据 URI 图像图像小部件" contenteditable="false" role="region" style="background-image:url(http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" tabindex="-1" title="单击并拖动以调整大小" %)的
	831	+[[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"]]
506	506
507		-== 2.6 Temperature Alarm Feature ==
508	508
	834	+==== 2.3.3.12  Working MOD ====
509	509
510		-S31x-LB work flow with Alarm feature.
	836	+The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
511	511
	838	+User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
512	512
513		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-D20-D22-D23%20LoRaWAN%20Temperature%20Sensor%20User%20Manual/WebHome/image-20220623090437-1.png?rev=1.1||alt="图片-20220623090437-1.png"]]
	840	+Case 7^^th^^ Byte >> 2 & 0x1f:
514	514
	842	+* 0: MOD1
	843	+* 1: MOD2
	844	+* 2: MOD3
	845	+* 3: MOD4
	846	+* 4: MOD5
	847	+* 5: MOD6
	848	+* 6: MOD7
	849	+* 7: MOD8
	850	+* 8: MOD9
515	515
516		-== 2.7 Frequency Plans ==
	852	+== 2.4 Payload Decoder file ==
517	517
518	518
519		-The S31x-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.
	855	+In TTN, use can add a custom payload so it shows friendly reading
520	520
	857	+In the page (% style="color:#037691" %)**Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder**(%%) to add the decoder from:
	858	+
	859	+[[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]]
	860	+
	861	+
	862	+
	863	+== 2.5 Frequency Plans ==
	864	+
	865	+
	866	+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.
	867	+
521	521	[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
522	522
523	523
524		-= 3. Configure S31x-LB =
	871	+= 3. Configure SN50v3-LB =
525	525
526	526	== 3.1 Configure Methods ==
527	527
528	528
529		-S31x-LB supports below configure method:
	876	+SN50v3-LB supports below configure method:
530	530
531	531	* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
532	532	* 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]].
...	...	@@ -545,7 +545,7 @@
545	545	[[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/]]
546	546
547	547
548		-== 3.3 Commands special design for S31x-LB ==
	895	+== 3.3 Commands special design for SN50v3-LB ==
549	549
550	550
551	551	These commands only valid for S31x-LB, as below:
...	...	@@ -553,7 +553,6 @@
553	553
554	554	=== 3.3.1 Set Transmit Interval Time ===
555	555
556		-
557	557	Feature: Change LoRaWAN End Node Transmit Interval.
558	558
559	559	(% style="color:blue" %)**AT Command: AT+TDC**
...	...	@@ -579,122 +579,171 @@
579	579	* Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
580	580	* Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
581	581
582		-=== 3.3.2 Get Device Status ===
583	583
584	584
585		-Send a LoRaWAN downlink to ask device send Alarm settings.
	930	+=== 3.3.2 Get Device Status ===
586	586
	932	+Send a LoRaWAN downlink to ask the device to send its status.
	933	+
587	587	(% style="color:blue" %)**Downlink Payload:  **(%%)0x26 01
588	588
589	589	Sensor will upload Device Status via FPORT=5. See payload section for detail.
590	590
591	591
592		-=== 3.3.3 Set Temperature Alarm Threshold ===
	939	+=== 3.3.3 Set Interrupt Mode ===
593	593
594		-* (% style="color:blue" %)**AT Command:**
	941	+Feature, Set Interrupt mode for GPIO_EXIT.
595	595
596		-(% style="color:#037691" %)**AT+SHTEMP=min,max**
	943	+(% style="color:blue" %)**AT Command: AT+INTMOD1，AT+INTMOD2，AT+INTMOD3**
597	597
598		-* When min=0, and max≠0, Alarm higher than max
599		-* When min≠0, and max=0, Alarm lower than min
600		-* When min≠0 and max≠0, Alarm higher than max or lower than min
	945	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	946	+|=(% style="width: 154px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 196px;background-color:#D9E2F3" %)**Function**|=(% style="width: 157px;background-color:#D9E2F3" %)**Response**
	947	+|(% style="width:154px" %)AT+INTMOD1=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
	948	+0
	949	+OK
	950	+the mode is 0 =Disable Interrupt
	951	+)))
	952	+|(% style="width:154px" %)AT+INTMOD1=2|(% style="width:196px" %)(((
	953	+Set Transmit Interval
	954	+0. (Disable Interrupt),
	955	+~1. (Trigger by rising and falling edge)
	956	+2. (Trigger by falling edge)
	957	+3. (Trigger by rising edge)
	958	+)))|(% style="width:157px" %)OK
	959	+|(% style="width:154px" %)AT+INTMOD2=3|(% style="width:196px" %)(((
	960	+Set Transmit Interval
601	601
602		-Example:
	962	+trigger by rising edge.
	963	+)))|(% style="width:157px" %)OK
	964	+|(% style="width:154px" %)AT+INTMOD3=0|(% style="width:196px" %)Disable Interrupt|(% style="width:157px" %)OK
603	603
604		- AT+SHTEMP=0,30   ~/~/ Alarm when temperature higher than 30.
	966	+(% style="color:blue" %)**Downlink Command: 0x06**
605	605
606		-* (% style="color:blue" %)**Downlink Payload:**
	968	+Format: Command Code (0x06) followed by 3 bytes.
607	607
608		-(% style="color:#037691" %)**0x(0C 01 00 1E)**  (%%) ~/~/ Set AT+SHTEMP=0,30
	970	+This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
609	609
610		-(% style="color:red" %)**(note: 3^^rd^^ byte= 0x00 for low limit(not set), 4^^th^^ byte = 0x1E for high limit: 30)**
	972	+* Example 1: Downlink Payload: 06000000  **~-~-->**  AT+INTMOD1=0
	973	+* Example 2: Downlink Payload: 06000003  **~-~-->**  AT+INTMOD1=3
	974	+* Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
	975	+* Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
611	611
612	612
613		-=== 3.3.4 Set Humidity Alarm Threshold ===
614	614
615		-* (% style="color:blue" %)**AT Command:**
	979	+=== 3.3.4 Set Power Output Duration ===
616	616
617		-(% style="color:#037691" %)**AT+SHHUM=min,max**
	981	+Control the output duration 5V . Before each sampling, device will
618	618
619		-* When min=0, and max≠0, Alarm higher than max
620		-* When min≠0, and max=0, Alarm lower than min
621		-* When min≠0 and max≠0, Alarm higher than max or lower than min
	983	+~1. first enable the power output to external sensor,
622	622
623		-Example:
	985	+2. keep it on as per duration, read sensor value and construct uplink payload
624	624
625		- AT+SHHUM=70,0  ~/~/ Alarm when humidity lower than 70%.
	987	+3. final, close the power output.
626	626
627		-* (% style="color:blue" %)**Downlink Payload:**
	989	+(% style="color:blue" %)**AT Command: AT+5VT**
628	628
629		-(% style="color:#037691" %)**0x(0C 02 46 00)**(%%)  ~/~/ Set AT+SHTHUM=70,0
	991	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	992	+|=(% style="width: 154px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 196px;background-color:#D9E2F3" %)**Function**|=(% style="width: 157px;background-color:#D9E2F3" %)**Response**
	993	+|(% style="width:154px" %)AT+5VT=?|(% style="width:196px" %)Show 5V open time.|(% style="width:157px" %)(((
	994	+500(default)
630	630
631		-(% style="color:red" %)**(note: 3^^rd^^ byte= 0x46 for low limit (70%), 4^^th^^ byte = 0x00 for high limit (not set))**
	996	+OK
	997	+)))
	998	+|(% style="width:154px" %)AT+5VT=1000|(% style="width:196px" %)(((
	999	+Close after a delay of 1000 milliseconds.
	1000	+)))|(% style="width:157px" %)OK
632	632
	1002	+(% style="color:blue" %)**Downlink Command: 0x07**
633	633
634		-=== 3.3.5 Set Alarm Interval ===
	1004	+Format: Command Code (0x07) followed by 2 bytes.
635	635
636		-The shortest time of two Alarm packet. (unit: min)
	1006	+The first and second bytes are the time to turn on.
637	637
638		-* (% style="color:blue" %)**AT Command:**
	1008	+* Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
	1009	+* Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
639	639
640		-(% style="color:#037691" %)**AT+ATDC=30** (%%) ~/~/ The shortest interval of two Alarm packets is 30 minutes, Means is there is an alarm packet uplink, there won't be another one in the next 30 minutes.
641	641
642		-* (% style="color:blue" %)**Downlink Payload:**
643	643
644		-(% style="color:#037691" %)**0x(0D 00 1E)**(%%)     **~-~--> ** Set AT+ATDC=0x 00 1E = 30 minutes
	1013	+=== 3.3.5 Set Weighing parameters ===
645	645
	1015	+Feature: Working mode 5 is effective, weight initialization and weight factor setting of HX711.
646	646
647		-=== 3.3.6 Get Alarm settings ===
	1017	+(% style="color:blue" %)**AT Command: AT+WEIGRE,AT+WEIGAP**
648	648
	1019	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	1020	+|=(% style="width: 154px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 196px;background-color:#D9E2F3" %)**Function**|=(% style="width: 157px;background-color:#D9E2F3" %)**Response**
	1021	+|(% style="width:154px" %)AT+WEIGRE|(% style="width:196px" %)Weight is initialized to 0.|(% style="width:157px" %)OK
	1022	+|(% style="width:154px" %)AT+WEIGAP=？|(% style="width:196px" %)400.0|(% style="width:157px" %)OK(default)
	1023	+|(% style="width:154px" %)AT+WEIGAP=400.3|(% style="width:196px" %)Set the factor to 400.3.|(% style="width:157px" %)OK
649	649
650		-Send a LoRaWAN downlink to ask device send Alarm settings.
	1025	+(% style="color:blue" %)**Downlink Command: 0x08**
651	651
652		-* (% style="color:#037691" %)**Downlink Payload:  **(%%)0x0E 01
	1027	+Format: Command Code (0x08) followed by 2 bytes or 4 bytes.
653	653
654		-**Example:**
	1029	+Use AT+WEIGRE when the first byte is 1, only 1 byte. When it is 2, use AT+WEIGAP, there are 3 bytes.
655	655
656		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50v2-D20-D22-D23%20LoRaWAN%20Temperature%20Sensor%20User%20Manual/WebHome/1655948182791-225.png?rev=1.1||alt="1655948182791-225.png"]]
	1031	+The second and third bytes are multiplied by 10 times to be the AT+WEIGAP value.
657	657
	1033	+* Example 1: Downlink Payload: 0801  **~-~-->**  AT+WEIGRE
	1034	+* Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
	1035	+* Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
658	658
659		-**Explain:**
660	660
661		-* Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message.
662	662
663		-=== 3.3.7 Set Interrupt Mode ===
	1039	+=== 3.3.6 Set Digital pulse count value ===
664	664
	1041	+Feature: Set the pulse count value.
665	665
666		-Feature, Set Interrupt mode for GPIO_EXIT.
	1043	+Count 1 is PA8 pin of mode 6 and mode 9. Count 2 is PA4 pin of mode 9.
667	667
668		-(% style="color:blue" %)**AT Command: AT+INTMOD**
	1045	+(% style="color:blue" %)**AT Command: AT+SETCNT**
669	669
670	670	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
671	671	|=(% style="width: 154px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 196px;background-color:#D9E2F3" %)**Function**|=(% style="width: 157px;background-color:#D9E2F3" %)**Response**
672		-|(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
673		-0
	1049	+|(% style="width:154px" %)AT+SETCNT=1,100|(% style="width:196px" %)Initialize the count value 1 to 100.|(% style="width:157px" %)OK
	1050	+|(% style="width:154px" %)AT+SETCNT=2,0|(% style="width:196px" %)Initialize the count value 2 to 0.|(% style="width:157px" %)OK
	1051	+
	1052	+(% style="color:blue" %)**Downlink Command: 0x09**
	1053	+
	1054	+Format: Command Code (0x09) followed by 5 bytes.
	1055	+
	1056	+The first byte is to select which count value to initialize, and the next four bytes are the count value to be initialized.
	1057	+
	1058	+* Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
	1059	+* Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
	1060	+
	1061	+
	1062	+
	1063	+=== 3.3.7 Set Workmode ===
	1064	+
	1065	+Feature: Switch working mode.
	1066	+
	1067	+(% style="color:blue" %)**AT Command: AT+MOD**
	1068	+
	1069	+(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
	1070	+|=(% style="width: 154px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 196px;background-color:#D9E2F3" %)**Function**|=(% style="width: 157px;background-color:#D9E2F3" %)**Response**
	1071	+|(% style="width:154px" %)AT+MOD=?|(% style="width:196px" %)Get the current working mode.|(% style="width:157px" %)(((
674	674	OK
675		-the mode is 0 =Disable Interrupt
676	676	)))
677		-|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
678		-Set Transmit Interval
679		-0. (Disable Interrupt),
680		-~1. (Trigger by rising and falling edge)
681		-2. (Trigger by falling edge)
682		-3. (Trigger by rising edge)
683		-)))|(% style="width:157px" %)OK
	1074	+|(% style="width:154px" %)AT+MOD=4|(% style="width:196px" %)Set the working mode to 3DS18B20s.|(% style="width:157px" %)(((
	1075	+OK
684	684
685		-(% style="color:blue" %)**Downlink Command: 0x06**
	1077	+Attention:Take effect after ATZ
	1078	+)))
686	686
687		-Format: Command Code (0x06) followed by 3 bytes.
	1080	+(% style="color:blue" %)**Downlink Command: 0x0A**
688	688
689		-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	+Format: Command Code (0x0A) followed by 1 bytes.
690	690
691		-* Example 1: Downlink Payload: 06000000  ~/~/  Turn off interrupt mode
692		-* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
	1084	+* Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
	1085	+* Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
693	693
	1087	+
	1088	+
694	694	= 4. Battery & Power Consumption =
695	695
696	696
697		-S31x-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
	1092	+SN50v3-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
698	698
699	699	[[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
700	700
...	...	@@ -703,7 +703,7 @@
703	703
704	704
705	705	(% class="wikigeneratedid" %)
706		-User can change firmware S31x-LB to:
	1101	+User can change firmware SN50v3-LB to:
707	707
708	708	* Change Frequency band/ region.
709	709	* Update with new features.
...	...	@@ -719,47 +719,45 @@
719	719
720	720	= 6. FAQ =
721	721
	1117	+== 6.1 Where can i find source code of SN50v3-LB? ==
722	722
	1119	+* **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
	1120	+* **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
723	723
724	724	= 7. Order Info =
725	725
726	726
727		-Part Number: (% style="color:blue" %)**S31-LB-XX  / S31B-LB-XX**
	1125	+Part Number: (% style="color:blue" %)**SN50v3-LB-XX-YY**
728	728
729	729	(% style="color:red" %)**XX**(%%): The default frequency band
730	730
731	731	* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
732		-
733	733	* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
734		-
735	735	* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
736		-
737	737	* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
738		-
739	739	* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
740		-
741	741	* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
742		-
743	743	* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
744		-
745	745	* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
746	746
747		-= =
	1138	+(% style="color:red" %)**YY: ** (%%)Hole Option
748	748
	1140	+* (% style="color:red" %)**12**(%%): With M12 waterproof cable hole
	1141	+* (% style="color:red" %)**16**(%%): With M16 waterproof cable hole
	1142	+* (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
	1143	+* (% style="color:red" %)**NH**(%%): No Hole
	1144	+
749	749	= 8. ​Packing Info =
750	750
751	751	(% style="color:#037691" %)**Package Includes**:
752	752
753		-* S31x-LB LoRaWAN Temperature & Humidity Sensor
	1149	+* SN50v3-LB LoRaWAN Generic Node
754	754
755	755	(% style="color:#037691" %)**Dimension and weight**:
756	756
757	757	* Device Size: cm
758		-
759	759	* Device Weight: g
760		-
761	761	* Package Size / pcs : cm
762		-
763	763	* Weight / pcs : g
764	764
765	765	= 9. Support =
...	...	@@ -766,4 +766,4 @@
766	766
767	767
768	768	* 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.
769		-* 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.com>>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.com]]
	1162	+* 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]]

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