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1		-[[image:image-20230511201248-1.png||height="403" width="489"]]
2		-
3		-
4		-
5		-**Table of Contents：**
6		-
7		-{{toc/}}
8		-
9		-
10		-
11		-
12		-
13		-
14		-= 1. Introduction =
15		-
16		-== 1.1 What is SN50v3-LB LoRaWAN Generic Node ==
17		-
18		-(% 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.
19		-
20		-
21		-(% 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.
22		-
23		-
24		-(% style="color:blue" %)**SN50V3-LB **(%%)has a powerful 48Mhz ARM microcontroller with 256KB flash and 64KB RAM. It has multiplex I/O pins to connect to different sensors.
25		-
26		-
27		-(% 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.
28		-
29		-
30		-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.
31		-
32		-
33		-== 1.2 ​Features ==
34		-
35		-* LoRaWAN 1.0.3 Class A
36		-* Ultra-low power consumption
37		-* Open-Source hardware/software
38		-* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
39		-* Support Bluetooth v5.1 and LoRaWAN remote configure
40		-* Support wireless OTA update firmware
41		-* Uplink on periodically
42		-* Downlink to change configure
43		-* 8500mAh Battery for long term use
44		-
45		-== 1.3 Specification ==
46		-
47		-(% style="color:#037691" %)**Common DC Characteristics:**
48		-
49		-* Supply Voltage: built in 8500mAh Li-SOCI2 battery , 2.5v ~~ 3.6v
50		-* Operating Temperature: -40 ~~ 85°C
51		-
52		-(% style="color:#037691" %)**I/O Interface:**
53		-
54		-* Battery output (2.6v ~~ 3.6v depends on battery)
55		-* +5v controllable output
56		-* 3 x Interrupt or Digital IN/OUT pins
57		-* 3 x one-wire interfaces
58		-* 1 x UART Interface
59		-* 1 x I2C Interface
60		-
61		-(% style="color:#037691" %)**LoRa Spec:**
62		-
63		-* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
64		-* Max +22 dBm constant RF output vs.
65		-* RX sensitivity: down to -139 dBm.
66		-* Excellent blocking immunity
67		-
68		-(% style="color:#037691" %)**Battery:**
69		-
70		-* Li/SOCI2 un-chargeable battery
71		-* Capacity: 8500mAh
72		-* Self-Discharge: <1% / Year @ 25°C
73		-* Max continuously current: 130mA
74		-* Max boost current: 2A, 1 second
75		-
76		-(% style="color:#037691" %)**Power Consumption**
77		-
78		-* Sleep Mode: 5uA @ 3.3v
79		-* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
80		-
81		-== 1.4 Sleep mode and working mode ==
82		-
83		-(% 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.
84		-
85		-(% 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.
86		-
87		-
88		-== 1.5 Button & LEDs ==
89		-
90		-
91		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
92		-
93		-
94		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
95		-|=(% 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**
96		-|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
97		-If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
98		-Meanwhile, BLE module will be active and user can connect via BLE to configure device.
99		-)))
100		-|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
101		-(% 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.
102		-(% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
103		-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.
104		-)))
105		-|(% 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.
106		-
107		-== 1.6 BLE connection ==
108		-
109		-
110		-SN50v3-LB supports BLE remote configure.
111		-
112		-
113		-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:
114		-
115		-* Press button to send an uplink
116		-* Press button to active device.
117		-* Device Power on or reset.
118		-
119		-If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
120		-
121		-
122		-== 1.7 Pin Definitions ==
123		-
124		-
125		-[[image:image-20230511203450-2.png||height="443" width="785"]]
126		-
127		-
128		-== 1.8 Mechanical ==
129		-
130		-
131		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143884058-338.png]]
132		-
133		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143899218-599.png]]
134		-
135		-[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675143909447-639.png]]
136		-
137		-
138		-== Hole Option ==
139		-
140		-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:
141		-
142		-[[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"]]
143		-
144		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656298089706-973.png?rev=1.1||alt="1656298089706-973.png"]]
145		-
146		-
147		-= 2. Configure SN50v3-LB to connect to LoRaWAN network =
148		-
149		-== 2.1 How it works ==
150		-
151		-
152		-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.
153		-
154		-
155		-== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
156		-
157		-
158		-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.
159		-
160		-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.
161		-
162		-
163		-(% style="color:blue" %)**Step 1:**(%%) Create a device in TTN with the OTAA keys from SN50v3-LB.
164		-
165		-Each SN50v3-LB is shipped with a sticker with the default device EUI as below:
166		-
167		-[[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"]]
168		-
169		-
170		-You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
171		-
172		-
173		-(% style="color:blue" %)**Register the device**
174		-
175		-[[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"]]
176		-
177		-
178		-(% style="color:blue" %)**Add APP EUI and DEV EUI**
179		-
180		-[[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"]]
181		-
182		-
183		-(% style="color:blue" %)**Add APP EUI in the application**
184		-
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/image-20220611161308-5.png?width=742&height=601&rev=1.1||alt="图片-20220611161308-5.png"]]
187		-
188		-
189		-(% style="color:blue" %)**Add APP KEY**
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-20220611161308-6.png?width=744&height=485&rev=1.1||alt="图片-20220611161308-6.png"]]
192		-
193		-
194		-(% style="color:blue" %)**Step 2:**(%%) Activate SN50v3-LB
195		-
196		-
197		-Press the button for 5 seconds to activate the SN50v3-LB.
198		-
199		-(% 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.
200		-
201		-After join success, it will start to upload messages to TTN and you can see the messages in the panel.
202		-
203		-
204		-== 2.3 ​Uplink Payload ==
205		-
206		-=== 2.3.1 Device Status, FPORT~=5 ===
207		-
208		-
209		-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.
210		-
211		-The Payload format is as below.
212		-
213		-
214		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
215		-|(% colspan="6" style="background-color:#d9e2f3; color:#0070c0" %)**Device Status (FPORT=5)**
216		-|(% style="width:103px" %)**Size (bytes)**|(% style="width:72px" %)**1**|**2**|(% style="width:91px" %)**1**|(% style="width:86px" %)**1**|(% style="width:44px" %)**2**
217		-|(% 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
218		-
219		-Example parse in TTNv3
220		-
221		-
222		-(% style="color:#037691" %)**Sensor Model**(%%): For SN50v3, this value is 0x1C
223		-
224		-(% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
225		-
226		-(% style="color:#037691" %)**Frequency Band**:
227		-
228		-*0x01: EU868
229		-
230		-*0x02: US915
231		-
232		-*0x03: IN865
233		-
234		-*0x04: AU915
235		-
236		-*0x05: KZ865
237		-
238		-*0x06: RU864
239		-
240		-*0x07: AS923
241		-
242		-*0x08: AS923-1
243		-
244		-*0x09: AS923-2
245		-
246		-*0x0a: AS923-3
247		-
248		-*0x0b: CN470
249		-
250		-*0x0c: EU433
251		-
252		-*0x0d: KR920
253		-
254		-*0x0e: MA869
255		-
256		-
257		-(% style="color:#037691" %)**Sub-Band**:
258		-
259		-AU915 and US915:value 0x00 ~~ 0x08
260		-
261		-CN470: value 0x0B ~~ 0x0C
262		-
263		-Other Bands: Always 0x00
264		-
265		-
266		-(% style="color:#037691" %)**Battery Info**:
267		-
268		-Check the battery voltage.
269		-
270		-Ex1: 0x0B45 = 2885mV
271		-
272		-Ex2: 0x0B49 = 2889mV
273		-
274		-
275		-=== 2.3.2 Working Modes & Sensor Data. Uplink via FPORT~=2 ===
276		-
277		-
278		-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.
279		-
280		-For example:
281		-
282		- **AT+MOD=2  ** ~/~/ will set the SN50v3 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
283		-
284		-
285		-(% style="color:red" %) **Important Notice:**
286		-
287		-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.
288		-1. All modes share the same Payload Explanation from HERE.
289		-1. By default, the device will send an uplink message every 20 minutes.
290		-
291		-==== 2.3.2.1  MOD~=1 (Default Mode) ====
292		-
293		-In this mode, uplink payload includes in total 11 bytes. Uplink packets use FPORT=2.
294		-
295		-|**Size(bytes)**|**2**|**2**|**2**|**1**|**2**|**2**
296		-|**Value**|Bat|Temperature(DS18B20)|ADC|Digital in & Digital Interrupt|Temperature（SHT20 or SHT31 or BH1750 Illumination Sensor|Humidity（SHT20)
297		-
298		-[[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"]]
299		-
300		-
301		-==== 2.3.2.2  MOD~=2 (Distance Mode) ====
302		-
303		-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.
304		-
305		-|**Size(bytes)**|**2**|**2**|**2**|**1**|**2**|**2**
306		-|**Value**|BAT|(((
307		-Temperature(DS18B20)
308		-)))|ADC|Digital in & Digital Interrupt|(((
309		-Distance measure by:
310		-1) LIDAR-Lite V3HP
311		-Or
312		-2) Ultrasonic Sensor
313		-)))|Reserved
314		-
315		-[[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"]]
316		-
317		-**Connection of LIDAR-Lite V3HP:**
318		-
319		-[[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/1656324581381-162.png?rev=1.1||alt="1656324581381-162.png"]]
320		-
321		-**Connection to Ultrasonic Sensor:**
322		-
323		-[[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/1656324598488-204.png?rev=1.1||alt="1656324598488-204.png"]]
324		-
325		-For the connection to TF-Mini or TF-Luna , MOD2 payload is as below:
326		-
327		-|**Size(bytes)**|**2**|**2**|**1**|**2**|**2**|**2**
328		-|**Value**|BAT|(((
329		-Temperature(DS18B20)
330		-)))|Digital in & Digital Interrupt|ADC|(((
331		-Distance measure by:1)TF-Mini plus LiDAR
332		-Or
333		-2) TF-Luna LiDAR
334		-)))|Distance signal  strength
335		-
336		-[[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"]]
337		-
338		-**Connection to [[TF-Mini plus>>url:http://en.benewake.com/product/detail/5c345cd0e5b3a844c472329b.html]] LiDAR(UART version):**
339		-
340		-Need to remove R3 and R4 resistors to get low power. Since firmware v1.7.0
341		-
342		-[[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/1656376795715-436.png?rev=1.1||alt="1656376795715-436.png"]]
343		-
344		-**Connection to [[TF-Luna>>url:http://en.benewake.com/product/detail/5e1c1fd04d839408076b6255.html]] LiDAR (UART version):**
345		-
346		-Need to remove R3 and R4 resistors to get low power. Since firmware v1.7.0
347		-
348		-[[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/1656376865561-355.png?rev=1.1||alt="1656376865561-355.png"]]
349		-
350		-Please use firmware version > 1.6.5 when use MOD=2, in this firmware version, user can use LSn50 v1 to power the ultrasonic sensor directly and with low power consumption.
351		-
352		-
353		-==== 2.3.2.3  MOD~=3 (3 ADC + I2C) ====
354		-
355		-This mode has total 12 bytes. Include 3 x ADC + 1x I2C
356		-
357		-|=(((
358		-**Size(bytes)**
359		-)))|=**2**|=**2**|=**2**|=**1**|=2|=2|=1
360		-|**Value**|ADC(Pin PA0)|ADC2(PA1)|ADC3 (PA4)|(((
361		-Digital in(PA12)&Digital Interrupt1(PB14)
362		-)))|Temperature（SHT20 or SHT31 or BH1750 Illumination Sensor）|Humidity（SHT20 or SHT31)|Bat
363		-
364		-[[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/1656377431497-975.png?rev=1.1||alt="1656377431497-975.png"]]
365		-
366		-
367		-==== 2.3.2.4 MOD~=4 (3 x DS18B20) ====
368		-
369		-This mode is supported in firmware version since v1.6.1. Software set to AT+MOD=4
370		-
371		-Hardware connection is as below,
372		-
373		-**( Note:**
374		-
375		-* In hardware version v1.x and v2.0 , R3 & R4 should change from 10k to 4.7k ohm to support the other 2 x DS18B20 probes.
376		-* In hardware version v2.1 no need to change R3 , R4, by default, they are 4.7k ohm already.
377		-
378		-See [[here>>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/#H1.6A0HardwareChangelog]] for hardware changelog. **) **
379		-
380		-[[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/1656377461619-156.png?rev=1.1||alt="1656377461619-156.png"]]
381		-
382		-This mode has total 11 bytes. As shown below:
383		-
384		-|**Size(bytes)**|**2**|**2**|**2**|**1**|**2**|**2**
385		-|**Value**|BAT|(((
386		-Temperature1
387		-(DS18B20)
388		-(PB3)
389		-)))|ADC|Digital in & Digital Interrupt|Temperature2
390		-(DS18B20)
391		-(PA9)|Temperature3
392		-(DS18B20)
393		-(PA10)
394		-
395		-[[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"]]
396		-
397		-
398		-==== 2.3.2.5  MOD~=5(Weight Measurement by HX711) ====
399		-
400		-This mode is supported in firmware version since v1.6.2. Please use v1.6.5 firmware version so user no need to use extra LDO for connection.
401		-
402		-
403		-[[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/1656378224664-860.png?rev=1.1||alt="1656378224664-860.png"]]
404		-
405		-Each HX711 need to be calibrated before used. User need to do below two steps:
406		-
407		-1. Zero calibration. Don't put anything on load cell and run **AT+WEIGRE** to calibrate to Zero gram.
408		-1. Adjust calibration factor (default value 400): Put a known weight thing on load cell and run **AT+WEIGAP** to adjust the Calibration Factor.
409		-1. (((
410		-Remove the limit of plus or minus 5Kg in mode 5, and expand from 2 bytes to 4 bytes, the unit is g.(Since v1.8.0)
411		-)))
412		-
413		-For example:
414		-
415		-**AT+WEIGAP =403.0**
416		-
417		-Response:  Weight is 401 g
418		-
419		-Check the response of this command and adjust the value to match the real value for thing.
420		-
421		-|=(((
422		-**Size(bytes)**
423		-)))|=**2**|=**2**|=**2**|=**1**|=**4**|=2
424		-|**Value**|[[Bat>>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/#H2.4.1BatteryInfo]]|[[Temperature(DS18B20)>>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/#H2.4.2Temperature28DS18B2029]]|[[ADC>>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/#H2.4.4AnalogueDigitalConverter28ADC29]]|[[Digital Input and Digitak Interrupt>>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/#H2.4.3DigitalInput]]|Weight|Reserved
425		-
426		-[[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"]]
427		-
428		-
429		-==== 2.3.2.6  MOD~=6 (Counting Mode) ====
430		-
431		-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.
432		-
433		-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.
434		-
435		-[[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/1656378351863-572.png?rev=1.1||alt="1656378351863-572.png"]]
436		-
437		-**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 LSN50 to avoid this happen.
438		-
439		-|=**Size(bytes)**|=**2**|=**2**|=**2**|=**1**|=**4**
440		-|**Value**|[[BAT>>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/#H2.4.1BatteryInfo]]|(((
441		-[[Temperature(DS18B20)>>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/#H2.4.2Temperature28DS18B2029]]
442		-)))|[[ADC>>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/#H2.4.4AnalogueDigitalConverter28ADC29]]|[[Digital in>>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/#H2.4.3DigitalInput]]|Count
443		-
444		-[[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"]]
445		-
446		-
447		-==== 2.3.2.7  MOD~=7 (Three interrupt contact modes) ====
448		-
449		-[[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-20220820140109-3.png?rev=1.1||alt="image-20220820140109-3.png"]]
450		-
451		-|=(((
452		-**Size(bytes)**
453		-)))|=**2**|=**2**|=**2**|=**1**|=**1**|=1|=2
454		-|**Value**|BAT|Temperature(DS18B20)|ADC|(((
455		-Digital in(PA12)&Digital Interrupt1(PB14)
456		-)))|Digital Interrupt2(PB15)|Digital Interrupt3(PA4)|Reserved
457		-
458		-==== 2.3.2.8  MOD~=8 （3ADC+1DS18B20） ====
459		-
460		-|=(((
461		-**Size(bytes)**
462		-)))|=**2**|=**2**|=**2**|=**1**|=**2**|=2
463		-|**Value**|BAT|Temperature(DS18B20)|(((
464		-ADC1(PA0)
465		-)))|(((
466		-Digital in
467		-& Digital Interrupt(PB14)
468		-)))|(((
469		-ADC2(PA1)
470		-)))|(((
471		-ADC3(PA4)
472		-)))
473		-
474		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823164903-2.png?rev=1.1||alt="image-20220823164903-2.png"]]
475		-
476		-
477		-==== 2.3.2.9  MOD~=9 (3DS18B20+ two Interrupt count mode) ====
478		-
479		-|=(((
480		-**Size(bytes)**
481		-)))|=**2**|=**2**|=**2**|=**1**|=**2**|=4|=4
482		-|**Value**|BAT|(((
483		-Temperature1(PB3)
484		-)))|(((
485		-Temperature2(PA9)
486		-)))|(((
487		-Digital in
488		-& Digital Interrupt(PA4)
489		-)))|(((
490		-Temperature3(PA10)
491		-)))|(((
492		-Count1(PB14)
493		-)))|(((
494		-Count2(PB15)
495		-)))
496		-
497		-[[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-20220823165322-3.png?rev=1.1||alt="image-20220823165322-3.png"]]
498		-
499		-**The newly added AT command is issued correspondingly:**
500		-
501		-**~ AT+INTMOD1** ** PB14**  pin：  Corresponding downlink:  **06 00 00 xx**
502		-
503		-**~ AT+INTMOD2**  **PB15** pin：  Corresponding downlink:**  06 00 01 xx**
504		-
505		-**~ AT+INTMOD3**  **PA4**  pin：  Corresponding downlink:  ** 06 00 02 xx**
506		-
507		-**AT+SETCNT=aa,bb**
508		-
509		-When AA is 1, set the count of PB14 pin to BB Corresponding downlink：09 01 bb bb bb bb
510		-
511		-When AA is 2, set the count of PB15 pin to BB Corresponding downlink：09 02 bb bb bb bb
512		-
513		-
514		-
515		-=== 2.3.3  ​Decode payload ===
516		-
517		-While using TTN V3 network, you can add the payload format to decode the payload.
518		-
519		-[[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"]]
520		-
521		-The payload decoder function for TTN V3 are here:
522		-
523		-SN50v3 TTN V3 Payload Decoder:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
524		-
525		-
526		-==== 2.3.3.1 Battery Info ====
527		-
528		-Check the battery voltage for SN50v3.
529		-
530		-Ex1: 0x0B45 = 2885mV
531		-
532		-Ex2: 0x0B49 = 2889mV
533		-
534		-
535		-==== 2.3.3.2  Temperature (DS18B20) ====
536		-
537		-If there is a DS18B20 connected to PB3 pin. The temperature will be uploaded in the payload.
538		-
539		-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]]
540		-
541		-**Connection:**
542		-
543		-[[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/1656378573379-646.png?rev=1.1||alt="1656378573379-646.png"]]
544		-
545		-**Example**:
546		-
547		-If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
548		-
549		-If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
550		-
551		-（FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
552		-
553		-
554		-==== 2.3.3.3 Digital Input ====
555		-
556		-The digital input for pin PA12,
557		-
558		-* When PA12 is high, the bit 1 of payload byte 6 is 1.
559		-* When PA12 is low, the bit 1 of payload byte 6 is 0.
560		-
561		-
562		-==== 2.3.3.4  Analogue Digital Converter (ADC) ====
563		-
564		-The ADC pins in LSN50 can measure range from 0~~Vbat, it use reference voltage from . If user need to measure a voltage > VBat, please use resistors to divide this voltage to lower than VBat, otherwise, it may destroy the ADC pin.
565		-
566		-Note: minimum VBat is 2.5v, when batrrey lower than this value. Device won't be able to send LoRa Uplink.
567		-
568		-The ADC monitors the voltage on the PA0 line, in mV.
569		-
570		-Ex: 0x021F = 543mv,
571		-
572		-**~ Example1:**  Reading an Oil Sensor (Read a resistance value):
573		-
574		-
575		-[[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-20220627172409-28.png?rev=1.1||alt="image-20220627172409-28.png"]]
576		-
577		-In the LSN50, we can use PB4 and PA0 pin to calculate the resistance for the oil sensor.
578		-
579		-
580		-**Steps:**
581		-
582		-1. Solder a 10K resistor between PA0 and VCC.
583		-1. Screw oil sensor's two pins to PA0 and PB4.
584		-
585		-The equipment circuit is as below:
586		-
587		-[[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-20220627172500-29.png?rev=1.1||alt="image-20220627172500-29.png"]]
588		-
589		-According to above diagram:
590		-
591		-[[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-20220628091043-4.png?rev=1.1||alt="image-20220628091043-4.png"]]
592		-
593		-So
594		-
595		-[[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-20220628091344-6.png?rev=1.1||alt="image-20220628091344-6.png"]]
596		-
597		-[[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-20220628091621-8.png?rev=1.1||alt="image-20220628091621-8.png"]] is the reading of ADC. So if ADC=0x05DC=0.9 v and VCC (BAT) is 2.9v
598		-
599		-The [[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-20220628091702-9.png?rev=1.1||alt="image-20220628091702-9.png"]] 4.5K ohm
600		-
601		-Since the Bouy is linear resistance from 10 ~~ 70cm.
602		-
603		-The position of Bouy is [[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-20220628091824-10.png?rev=1.1||alt="image-20220628091824-10.png"]] , from the bottom of Bouy.
604		-
605		-
606		-==== 2.3.3.5 Digital Interrupt ====
607		-
608		-Digital Interrupt refers to pin PB14, and there are different trigger methods. When there is a trigger, the SN50v3 will send a packet to the server.
609		-
610		-**~ Interrupt connection method:**
611		-
612		-[[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/1656379178634-321.png?rev=1.1||alt="1656379178634-321.png"]]
613		-
614		-**Example to use with door sensor :**
615		-
616		-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.
617		-
618		-[[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"]]
619		-
620		-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 LSN50 interrupt interface to detect the status for the door or window.
621		-
622		-**~ Below is the installation example:**
623		-
624		-Fix one piece of the magnetic sensor to the door and connect the two pins to LSN50 as follows:
625		-
626		-* (((
627		-One pin to LSN50's PB14 pin
628		-)))
629		-* (((
630		-The other pin to LSN50's VCC pin
631		-)))
632		-
633		-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 PB14 will be at the VCC voltage.
634		-
635		-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.
636		-
637		-When door sensor is shorted, there will extra power consumption in the circuit, the extra current is 3v3/R14 = 3v2/1Mohm = 0.3uA which can be ignored.
638		-
639		-[[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"]]
640		-
641		-The above photos shows the two parts of the magnetic switch fitted to a door.
642		-
643		-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.
644		-
645		-The command is:
646		-
647		-**AT+INTMOD=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]]**. **)
648		-
649		-Below shows some screen captures in TTN V3:
650		-
651		-[[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"]]
652		-
653		-In MOD=1, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below:
654		-
655		-door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
656		-
657		-**Notice for hardware version LSN50 v1 < v1.3** (produced before 2018-Nov).
658		-
659		-In this hardware version, there is no R14 resistance solder. When use the latest firmware, it should set AT+INTMOD=0 to close the interrupt. If user need to use Interrupt in this hardware version, user need to solder R14 with 10M resistor and C1 (0.1uF) on board.
660		-
661		-[[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/1656379563303-771.png?rev=1.1||alt="1656379563303-771.png"]]
662		-
663		-
664		-==== 2.3.3.6 I2C Interface (SHT20) ====
665		-
666		-The PB6(SDA) and PB7(SCK) are I2C interface lines. You can use these to connect to an I2C device and get the sensor data.
667		-
668		-We have made an example to show how to use the I2C interface to connect to the SHT20 Temperature and Humidity Sensor. This is supported in the stock firmware since v1.5 with **AT+MOD=1 (default value).**
669		-
670		-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 code in LSN50 will be a good reference.
671		-
672		-Below is the connection to SHT20/ SHT31. The connection is as below:
673		-
674		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220902163605-2.png?rev=1.1||alt="image-20220902163605-2.png"]]
675		-
676		-The device will be able to get the I2C sensor data now and upload to IoT Server.
677		-
678		-[[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"]]
679		-
680		-Convert the read byte to decimal and divide it by ten.
681		-
682		-**Example:**
683		-
684		-Temperature:  Read:0116(H) = 278(D)  Value:  278 /10=27.8℃;
685		-
686		-Humidity:    Read:0248(H)=584(D)  Value:  584 / 10=58.4, So 58.4%
687		-
688		-If you want to use other I2C device, please refer the SHT20 part source code as reference.
689		-
690		-
691		-==== 2.3.3.7  ​Distance Reading ====
692		-
693		-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]].
694		-
695		-
696		-==== 2.3.3.8 Ultrasonic Sensor ====
697		-
698		-The LSN50 v1.5 firmware supports ultrasonic sensor (with AT+MOD=2) such as SEN0208 from DF-Robot. 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]]
699		-
700		-The LSN50 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.
701		-
702		-The picture below shows the connection:
703		-
704		-[[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/1656380061365-178.png?rev=1.1||alt="1656380061365-178.png"]]
705		-
706		-Connect to the LSN50 and run **AT+MOD=2** to switch to ultrasonic mode (ULT).
707		-
708		-The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value.
709		-
710		-**Example:**
711		-
712		-Distance:  Read: 0C2D(Hex) = 3117(D)  Value:  3117 mm=311.7 cm
713		-
714		-[[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/1656384895430-327.png?rev=1.1||alt="1656384895430-327.png"]]
715		-
716		-[[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/1656384913616-455.png?rev=1.1||alt="1656384913616-455.png"]]
717		-
718		-You can see the serial output in ULT mode as below:
719		-
720		-[[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/1656384939855-223.png?rev=1.1||alt="1656384939855-223.png"]]
721		-
722		-**In TTN V3 server:**
723		-
724		-[[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/1656384961830-307.png?rev=1.1||alt="1656384961830-307.png"]]
725		-
726		-[[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/1656384973646-598.png?rev=1.1||alt="1656384973646-598.png"]]
727		-
728		-==== 2.3.3.9  Battery Output - BAT pin ====
729		-
730		-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.
731		-
732		-
733		-==== 2.3.3.10  +5V Output ====
734		-
735		-SN50v3 will enable +5V output before all sampling and disable the +5v after all sampling.
736		-
737		-The 5V output time can be controlled by AT Command.
738		-
739		-**AT+5VT=1000**
740		-
741		-Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.
742		-
743		-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.
744		-
745		-
746		-
747		-==== 2.3.3.11  BH1750 Illumination Sensor ====
748		-
749		-MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes.
750		-
751		-[[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-20220628110012-11.jpeg?rev=1.1||alt="image-20220628110012-11.jpeg"]]
752		-
753		-[[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"]]
754		-
755		-
756		-==== 2.3.3.12  Working MOD ====
757		-
758		-The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
759		-
760		-User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
761		-
762		-Case 7^^th^^ Byte >> 2 & 0x1f:
763		-
764		-* 0: MOD1
765		-* 1: MOD2
766		-* 2: MOD3
767		-* 3: MOD4
768		-* 4: MOD5
769		-* 5: MOD6
770		-
771		-
772		-== 2.4 Payload Decoder file ==
773		-
774		-
775		-In TTN, use can add a custom payload so it shows friendly reading
776		-
777		-In the page (% style="color:#037691" %)**Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder**(%%) to add the decoder from:
778		-
779		-[[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]]
780		-
781		-
782		-== 2.5 Datalog Feature ==
783		-
784		-
785		-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.
786		-
787		-
788		-=== 2.5.1 Ways to get datalog via LoRaWAN ===
789		-
790		-
791		-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.
792		-
793		-* a) S31x-LB will do an ACK check for data records sending to make sure every data arrive server.
794		-* 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.
795		-
796		-Below is the typical case for the auto-update datalog feature (Set PNACKMD=1)
797		-
798		-[[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"]]
799		-
800		-=== 2.5.2 Unix TimeStamp ===
801		-
802		-
803		-S31x-LB uses Unix TimeStamp format based on
804		-
805		-[[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"]]
806		-
807		-User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
808		-
809		-Below is the converter example
810		-
811		-[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220523001219-12.png?width=720&height=298&rev=1.1||alt="图片-20220523001219-12.png" height="298" width="720"]]
812		-
813		-So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
814		-
815		-
816		-=== 2.5.3 Set Device Time ===
817		-
818		-
819		-User need to set (% style="color:blue" %)**SYNCMOD=1**(%%) to enable sync time via MAC command.
820		-
821		-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).
822		-
823		-(% 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.**
824		-
825		-
826		-=== 2.5.4 Datalog Uplink payload (FPORT~=3) ===
827		-
828		-
829		-The Datalog uplinks will use below payload format.
830		-
831		-**Retrieval data payload:**
832		-
833		-(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
834		-|=(% style="width: 80px;background-color:#D9E2F3" %)(((
835		-**Size(bytes)**
836		-)))|=(% 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**
837		-|(% style="width:103px" %)**Value**|(% style="width:54px" %)(((
838		-[[Temp_Black>>||anchor="HTemperatureBlack:"]]
839		-)))|(% 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"]]
840		-
841		-**Poll message flag & Ext:**
842		-
843		-[[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"]]
844		-
845		-**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)
846		-
847		-**Poll Message Flag**: 1: This message is a poll message reply.
848		-
849		-* Poll Message Flag is set to 1.
850		-
851		-* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
852		-
853		-For example, in US915 band, the max payload for different DR is:
854		-
855		-**a) DR0:** max is 11 bytes so one entry of data
856		-
857		-**b) DR1:** max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
858		-
859		-**c) DR2:** total payload includes 11 entries of data
860		-
861		-**d) DR3: **total payload includes 22 entries of data.
862		-
863		-If devise doesn't have any data in the polling time. Device will uplink 11 bytes of 0
864		-
865		-
866		-**Example:**
867		-
868		-If S31x-LB has below data inside Flash:
869		-
870		-[[image:1682646494051-944.png]]
871		-
872		-If user sends below downlink command: 3160065F9760066DA705
873		-
874		-Where : Start time: 60065F97 = time 21/1/19 04:27:03
875		-
876		- Stop time: 60066DA7= time 21/1/19 05:27:03
877		-
878		-
879		-**S31x-LB will uplink this payload.**
880		-
881		-[[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"]]
882		-
883		-(((
884		-__**7FFF089801464160065F97**__ **__7FFF__ __088E__ __014B__ __41__ __60066009__** 7FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
885		-)))
886		-
887		-(((
888		-Where the first 11 bytes is for the first entry:
889		-)))
890		-
891		-(((
892		-7FFF089801464160065F97
893		-)))
894		-
895		-(((
896		-**Ext sensor data**=0x7FFF/100=327.67
897		-)))
898		-
899		-(((
900		-**Temp**=0x088E/100=22.00
901		-)))
902		-
903		-(((
904		-**Hum**=0x014B/10=32.6
905		-)))
906		-
907		-(((
908		-**poll message flag & Ext**=0x41,means reply data,Ext=1
909		-)))
910		-
911		-(((
912		-**Unix time** is 0x60066009=1611030423s=21/1/19 04:27:03
913		-)))
914		-
915		-
916		-(% 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
917		-
918		-== 2.6 Temperature Alarm Feature ==
919		-
920		-
921		-S31x-LB work flow with Alarm feature.
922		-
923		-
924		-[[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"]]
925		-
926		-
927		-== 2.7 Frequency Plans ==
928		-
929		-
930		-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.
931		-
932		-[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
933		-
934		-
935		-= 3. Configure S31x-LB =
936		-
937		-== 3.1 Configure Methods ==
938		-
939		-
940		-S31x-LB supports below configure method:
941		-
942		-* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
943		-* 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]].
944		-* LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
945		-
946		-== 3.2 General Commands ==
947		-
948		-
949		-These commands are to configure:
950		-
951		-* General system settings like: uplink interval.
952		-* LoRaWAN protocol & radio related command.
953		-
954		-They are same for all Dragino Devices which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
955		-
956		-[[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/]]
957		-
958		-
959		-== 3.3 Commands special design for S31x-LB ==
960		-
961		-
962		-These commands only valid for S31x-LB, as below:
963		-
964		-
965		-=== 3.3.1 Set Transmit Interval Time ===
966		-
967		-
968		-Feature: Change LoRaWAN End Node Transmit Interval.
969		-
970		-(% style="color:blue" %)**AT Command: AT+TDC**
971		-
972		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
973		-|=(% style="width: 156px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 137px;background-color:#D9E2F3" %)**Function**|=(% style="background-color:#D9E2F3" %)**Response**
974		-|(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
975		-30000
976		-OK
977		-the interval is 30000ms = 30s
978		-)))
979		-|(% style="width:156px" %)AT+TDC=60000|(% style="width:137px" %)Set Transmit Interval|(((
980		-OK
981		-Set transmit interval to 60000ms = 60 seconds
982		-)))
983		-
984		-(% style="color:blue" %)**Downlink Command: 0x01**
985		-
986		-Format: Command Code (0x01) followed by 3 bytes time value.
987		-
988		-If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
989		-
990		-* Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
991		-* Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
992		-
993		-=== 3.3.2 Get Device Status ===
994		-
995		-
996		-Send a LoRaWAN downlink to ask device send Alarm settings.
997		-
998		-(% style="color:blue" %)**Downlink Payload:  **(%%)0x26 01
999		-
1000		-Sensor will upload Device Status via FPORT=5. See payload section for detail.
1001		-
1002		-
1003		-=== 3.3.3 Set Temperature Alarm Threshold ===
1004		-
1005		-* (% style="color:blue" %)**AT Command:**
1006		-
1007		-(% style="color:#037691" %)**AT+SHTEMP=min,max**
1008		-
1009		-* When min=0, and max≠0, Alarm higher than max
1010		-* When min≠0, and max=0, Alarm lower than min
1011		-* When min≠0 and max≠0, Alarm higher than max or lower than min
1012		-
1013		-Example:
1014		-
1015		- AT+SHTEMP=0,30   ~/~/ Alarm when temperature higher than 30.
1016		-
1017		-* (% style="color:blue" %)**Downlink Payload:**
1018		-
1019		-(% style="color:#037691" %)**0x(0C 01 00 1E)**  (%%) ~/~/ Set AT+SHTEMP=0,30
1020		-
1021		-(% style="color:red" %)**(note: 3^^rd^^ byte= 0x00 for low limit(not set), 4^^th^^ byte = 0x1E for high limit: 30)**
1022		-
1023		-
1024		-=== 3.3.4 Set Humidity Alarm Threshold ===
1025		-
1026		-* (% style="color:blue" %)**AT Command:**
1027		-
1028		-(% style="color:#037691" %)**AT+SHHUM=min,max**
1029		-
1030		-* When min=0, and max≠0, Alarm higher than max
1031		-* When min≠0, and max=0, Alarm lower than min
1032		-* When min≠0 and max≠0, Alarm higher than max or lower than min
1033		-
1034		-Example:
1035		-
1036		- AT+SHHUM=70,0  ~/~/ Alarm when humidity lower than 70%.
1037		-
1038		-* (% style="color:blue" %)**Downlink Payload:**
1039		-
1040		-(% style="color:#037691" %)**0x(0C 02 46 00)**(%%)  ~/~/ Set AT+SHTHUM=70,0
1041		-
1042		-(% style="color:red" %)**(note: 3^^rd^^ byte= 0x46 for low limit (70%), 4^^th^^ byte = 0x00 for high limit (not set))**
1043		-
1044		-
1045		-=== 3.3.5 Set Alarm Interval ===
1046		-
1047		-The shortest time of two Alarm packet. (unit: min)
1048		-
1049		-* (% style="color:blue" %)**AT Command:**
1050		-
1051		-(% 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.
1052		-
1053		-* (% style="color:blue" %)**Downlink Payload:**
1054		-
1055		-(% style="color:#037691" %)**0x(0D 00 1E)**(%%)     **~-~--> ** Set AT+ATDC=0x 00 1E = 30 minutes
1056		-
1057		-
1058		-=== 3.3.6 Get Alarm settings ===
1059		-
1060		-
1061		-Send a LoRaWAN downlink to ask device send Alarm settings.
1062		-
1063		-* (% style="color:#037691" %)**Downlink Payload:  **(%%)0x0E 01
1064		-
1065		-**Example:**
1066		-
1067		-[[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"]]
1068		-
1069		-
1070		-**Explain:**
1071		-
1072		-* Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message.
1073		-
1074		-=== 3.3.7 Set Interrupt Mode ===
1075		-
1076		-
1077		-Feature, Set Interrupt mode for GPIO_EXIT.
1078		-
1079		-(% style="color:blue" %)**AT Command: AT+INTMOD**
1080		-
1081		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1082		-|=(% style="width: 154px;background-color:#D9E2F3" %)**Command Example**|=(% style="width: 196px;background-color:#D9E2F3" %)**Function**|=(% style="width: 157px;background-color:#D9E2F3" %)**Response**
1083		-|(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
1084		-0
1085		-OK
1086		-the mode is 0 =Disable Interrupt
1087		-)))
1088		-|(% style="width:154px" %)AT+INTMOD=2|(% style="width:196px" %)(((
1089		-Set Transmit Interval
1090		-0. (Disable Interrupt),
1091		-~1. (Trigger by rising and falling edge)
1092		-2. (Trigger by falling edge)
1093		-3. (Trigger by rising edge)
1094		-)))|(% style="width:157px" %)OK
1095		-
1096		-(% style="color:blue" %)**Downlink Command: 0x06**
1097		-
1098		-Format: Command Code (0x06) followed by 3 bytes.
1099		-
1100		-This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1101		-
1102		-* Example 1: Downlink Payload: 06000000  ~/~/  Turn off interrupt mode
1103		-* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
1104		-
1105		-= 4. Battery & Power Consumption =
1106		-
1107		-
1108		-SN50v3-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
1109		-
1110		-[[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
1111		-
1112		-
1113		-= 5. OTA Firmware update =
1114		-
1115		-
1116		-(% class="wikigeneratedid" %)
1117		-User can change firmware SN50v3-LB to:
1118		-
1119		-* Change Frequency band/ region.
1120		-* Update with new features.
1121		-* Fix bugs.
1122		-
1123		-Firmware and changelog can be downloaded from : **[[Firmware download link>>url:https://www.dropbox.com/sh/kwqv57tp6pejias/AAAopYMATh1GM6fZ-VRCLrpDa?dl=0]]**
1124		-
1125		-
1126		-Methods to Update Firmware:
1127		-
1128		-* (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/]]
1129		-* 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]]**.
1130		-
1131		-= 6. FAQ =
1132		-
1133		-
1134		-
1135		-= 7. Order Info =
1136		-
1137		-
1138		-Part Number: (% style="color:blue" %)**SN50v3-LB-XX-YY**
1139		-
1140		-(% style="color:red" %)**XX**(%%): The default frequency band
1141		-
1142		-* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1143		-* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1144		-* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1145		-* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1146		-* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1147		-* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1148		-* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1149		-* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1150		-
1151		-(% style="color:red" %)**YY: ** (%%)Hole Option
1152		-
1153		-* (% style="color:red" %)**12**(%%): With M12 waterproof cable hole
1154		-* (% style="color:red" %)**16**(%%): With M16 waterproof cable hole
1155		-* (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1156		-* (% style="color:red" %)**NH**(%%): No Hole
1157		-
1158		-= 8. ​Packing Info =
1159		-
1160		-(% style="color:#037691" %)**Package Includes**:
1161		-
1162		-* SN50v3-LB LoRaWAN Generic Node
1163		-
1164		-(% style="color:#037691" %)**Dimension and weight**:
1165		-
1166		-* Device Size: cm
1167		-* Device Weight: g
1168		-* Package Size / pcs : cm
1169		-* Weight / pcs : g
1170		-
1171		-= 9. Support =
1172		-
1173		-
1174		-* 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.
1175		-* 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]]

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