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Version 330.4 by Xiaoling on 2022/06/27 15:02
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15 **Table of Contents:**
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19 (% 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" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
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33 = 1.  Introduction =
34
35 == 1.1 ​ What is LSN50 LoRa Sensor Node ==
36
37
38 (((
39 (((
40 LSN50 is a Long Range LoRaWAN Sensor Node. It is designed for (% style="color:#4472c4" %)**outdoor data logging **(%%)and powered by (% style="color:#4472c4" %)**Li/SOCl2 battery**(%%) for long term use and secure data transmission. It is designed to facilitate developers to quickly deploy industrial level LoRa and IoT solutions. It helps 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.
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43 (((
44 It is based on SX1276/SX1278 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 minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
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48 (% style="color:#4472c4" %)**LSN50**(%%) uses STM32l0x chip from ST, STML0x is the (% style="color:#4472c4" %)**ultra-low-power**(%%) STM32L072xx microcontrollers incorporate the connectivity power of the universal serial bus (USB 2.0 crystal-less) with the high-performance ARM® Cortex®-M0+ 32-bit RISC core operating at a 32 MHz frequency, a memory protection unit (MPU), high-speed embedded memories (192 Kbytes of Flash program memory, 6 Kbytes of data EEPROM and 20 Kbytes of RAM) plus an extensive range of enhanced I/Os and peripherals.
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51 (((
52 LSN50 is an (% style="color:#4472c4" %)**open source product**(%%), it is based on the STM32Cube HAL drivers and lots of libraries can be found in ST site for rapid development.
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55
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57 [[image:1656294562709-486.png]]
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59
60
61 == 1.2  Specifications ==
62
63
64 (% style="color:#037691" %)**Micro Controller:**
65
66 * STM32L072CZT6 MCU
67 * MCU: STM32L072CZT6
68 * Flash: 192KB
69 * RAM: 20KB
70 * EEPROM: 6KB
71 * Clock Speed: 32Mhz
72
73 (% style="color:#037691" %)**Common DC Characteristics:**
74
75 * Supply Voltage: 2.1v ~~ 3.6v
76 * Operating Temperature: -40 ~~ 85°C
77 * I/O pins: Refer to STM32L072 datasheet
78
79 (% style="color:#037691" %)**LoRa Spec:**
80
81
82 * Frequency Range, 
83 ** Band 1 (HF): 862 ~~ 1020 Mhz
84
85 or
86
87 *
88 ** Band 2 (LF): 410 ~~ 528 Mhz
89 * 168 dB maximum link budget.
90 * +20 dBm - 100 mW constant RF output vs.
91 * +14 dBm high efficiency PA.
92 * Programmable bit rate up to 300 kbps.
93 * High sensitivity: down to -148 dBm.
94 * Bullet-proof front end: IIP3 = -12.5 dBm.
95 * Excellent blocking immunity.
96 * Low RX current of 10.3 mA, 200 nA register retention.
97 * Fully integrated synthesizer with a resolution of 61 Hz .
98 * FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
99 * Built-in bit synchronizer for clock recovery.
100 * Preamble detection.
101 * 127 dB Dynamic Range RSSI.
102 * Automatic RF Sense and CAD with ultra-fast AFC.
103 * Packet engine up to 256 bytes with CRC.
104 * LoRaWAN 1.0.2 Specification
105
106 (% style="color:#037691" %)**Battery:**
107
108 * Li/SOCI2 un-chargeable battery
109 * Capacity: 4000mAh
110 * Self Discharge: <1% / Year @ 25°C
111 * Max continuously current: 130mA
112 * Max boost current: 2A, 1 second
113
114 (% style="color:#037691" %)**Power Consumption**
115
116 * STOP Mode: 2.7uA @ 3.3v
117 * LoRa Transmit Mode: 125mA @ 20dBm 44mA @ 14dBm
118
119 == ​1.3  Features ==
120
121 * LoRaWAN 1.0.3 Class A, Class C
122 * STM32L072CZT6 MCU
123 * SX1276/78 Wireless Chip
124 * Pre-load bootloader on USART1/USART2
125 * MDK-ARM Version 5.24a IDE
126 * I2C, LPUSART1, USB, SPI2
127 * 3x12bit ADC, 1x12bit DAC
128 * 20xDigital I/Os
129 * LoRa™ Modem
130 * Preamble detection
131 * Baud rate configurable
132 * CN470/EU433/KR920/US915/IN865
133 * EU868/AS923/AU915
134 * Open-source hardware / software
135 * Available Band:433/868/915/920 Mhz
136 * IP66 Waterproof Enclosure
137 * Ultra-Low Power consumption
138 * AT Commands to change parameters
139 * 4000mAh or 8500mAh Battery for long term use。
140
141 == 1.4 ​ Applications ==
142
143
144 * Smart Buildings & Home Automation
145 * Logistics and Supply Chain Management
146 * Smart Metering
147 * Smart Agriculture
148 * Smart Cities
149 * Smart Factory
150
151 (% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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" %)​(%%)​
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154
155 == 1.5  Pin Definitions and Switch ==
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157 (% class="wikigeneratedid" %)
158 [[image:1656295519542-152.png||height="413" width="728"]]
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161 (% class="wikigeneratedid" %)
162 [[image:1656295532863-613.png||height="371" width="721"]]
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166 [[image:image-20220627101527-1.png]]
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171
172 === 1.5.1 Jumper JP2 ===
173
174 Power on Device when put this jumper.
175
176
177 === 1.5.2 BOOT MODE / SW1 ===
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179 (((
180 ~1. ISP:  upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
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183 (((
184 2. Flash:  work mode, device starts to work and send out console output for further debug
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186
187
188 === 1.5.3 Reset Button ===
189
190 Press to reboot the device.
191
192
193 === 1.5.4 LED ===
194
195 It will flash:
196
197 1. When boot the device in flash mode
198 1. Send an uplink packet
199
200
201 === 1.6  Hardware Change log ===
202
203 Note: Hardware version is marked in the PCB.
204
205 **LSN50 v2.1:**
206
207 1. Change R14 to 1M ohm
208 1. Change R3, R4 to 4.7Kohm. So no need to modify them for 3 DS18B20 connection.
209 1. Add ESD to each I/O
210
211 **LSN50 v2.0:**
212
213 * Change to a new enclosure. Improve with external antenna, IP68, ear hook.
214
215 **LSN50 v1.3**:
216
217 * Add P-MOS to control 5V output
218
219 **LSN50 v1.2**:
220
221 * Add LED. Turn on for every LoRa transmit
222 * Add pin PA4, PB13, NRST
223 * Add 5V Output, on/off control by PB5(Low to Enable, High to Disable)
224
225 == (% id="cke_bm_478801S" style="display:none" %) (%%)1.7  Hole Option ==
226
227 The LSN50 provides different hole size options for different size sensor cable. The options provided are M12, M16 and M20. The definition is as below:
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229 [[image:image-20220627104757-1.png]]
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232 [[image:1656298089706-973.png]]
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235
236 = 2.  Use LSN50 with LoRaWAN firmware =
237
238 == 2.1  How it works ==
239
240 (((
241 (((
242 The LSN50 is pre-loaded with a firmware and is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you just need to input the OTAA keys in the LoRaWAN IoT server and power on the LSN50. It will automatically join the network via OTAA.
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250 The diagram below shows the working flow in default firmware (ver 1.7.0): 
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254 [[image:image-20220627104855-2.png]]
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257 In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] to set the keys in the LSN50.
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259
260
261 == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
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263 (((
264 Following is an example for how to join the [[TTN V3 LoRaWAN Network>>url:http://www.thethingsnetwork.org/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example. 
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266 (% 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" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:1655891470063-521.png]](% title="Click and drag to resize" %)​[[image:1656298385089-555.png]]
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269 )))
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271 (% title="Click and drag to resize" %)​(%%)The LG308 is already set to connected to [[TTN V3 network >>url:https://www.thethingsnetwork.org/]], so what we need to now is configure the TTN V3 server.(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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" %)​(%%)​
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273 (((
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275
276 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LSN50.
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278 Each LSN50is shipped with a sticker with the default device EUI as below:
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285 (% aria-label="image-20220607170145-1.jpeg image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220607170145-1.jpeg||data-widget="image"]](% 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" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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" %)​(%%)​
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288 (((
289 You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
290
291 **Register the device：**
292 )))
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294 (% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% title="Click and drag to resize" %)​(% aria-label="1654935135620-998.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654935135620-998.png||data-widget="image"]](% 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" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](%%)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% title="Click and drag to resize" %)​​
295
296 (% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% title="Click and drag to resize" %)​
297
298
299 **Add APP EUI and DEV EUI：**
300
301
302 (% aria-label="image-20220611161308-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220611161308-4.png||data-widget="image" height="551" width="753"]](% 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" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
303
304
305
306 **Add APP EUI in the application：**
307
308
309 (% aria-label="image-20220611161308-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220611161308-5.png||data-widget="image" height="601" width="742"]](% 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" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
310
311
312 **Add APP KEY**
313
314 (% aria-label="image-20220611161308-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220611161308-6.png||data-widget="image" height="485" width="744"]](% 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" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
315
316 (% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​
317
318 (% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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" %)​(%%)​
319
320 (% style="color:blue" %)**Step 2**(%%): Power on LSN50
321
322 Put a Jumper on JP2 to power on the device.(% style="display:none" %)
323
324 [[image:image-20220627145643-5.png]](% style="display:none" %)
325
326 (% style="display:none" %)
327
328
329 (% style="display:none" %) (%%)
330
331 **For LSn50v2:**
332
333 [[image:1656313034748-905.png]](% style="display:none" %)
334
335
336 (% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(%%)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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" %)​(%%)​
337
338 (((
339 (((
340 (% style="color:blue" %)**Step 3**(%%)**:**  The LSN50 will auto join to the TTN V3 network. After join success, it will start to upload messages to TTN V3 and you can see the messages in the panel.
341 )))
342 )))
343
344 (% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% title="Click and drag to resize" %)​[[image:1656312908855-552.png]](% 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" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
345
346 ​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% title="Click and drag to resize" %)​​
347
348
349 == 2.3  ​Working Mode & Uplink Payload ==
350
351 LSN50 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 LSN50 to different working modes.
352
353 For example:
354
355 (% style="color:red" %)**AT+MOD=2**(%%) ~/~/ will set the LSN50 to work in MOD=2 distance mode which target to measure distance via Ultrasonic Sensor.
356
357
358 (% style="color:red" %)**NOTE:**
359
360 (% style="color:red" %)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 LSn50 transmit in DR0 with 12 bytes payload.
361 2. All modes share the same Payload Explanation from HERE.
362 3. By default, the device will send an uplink message every 5 minutes.
363
364
365
366 === 2.3.1  Payload Analyze ===
367
368 (((
369 Normal Upload Payload:
370 )))
371
372 (((
373 LSN50v2-S31 use the same payload as LSn50v2 mod1, as below.
374 )))
375
376
377 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:400px" %)
378 |=(% style="width: 62.5px;" %)(((
379 **Size (bytes)**
380 )))|=(% style="width: 60px;" %)2|=(% style="width: 60px;" %)4|=(% style="width: 65px;" %)1|=(% style="width: 65px;" %)**2**|=(% style="width: 65px;" %)2
381 |(% style="width:65px" %)**Value**|(((
382 [[Battery>>||anchor="HBattery:"]]
383 )))|(% style="width:61px" %)(((
384 ignore
385 )))|(% style="width:91px" %)(((
386 [[Alarm Flag>>||anchor="HAlarmFlag26MOD:"]]
387 )))|(% style="width:99px" %)(((
388 [[Temperature>>||anchor="HTemperature:"]]
389 )))|(% style="width:97px" %)(((
390 [[Humidity>>||anchor="HHumidity:"]]
391 )))
392
393 [[image:1655970579657-141.png]]
394
395
396 ==== (% style="color:#4472c4" %)**Battery:**(%%) ====
397
398 Check the battery voltage.
399
400 Ex1: 0x0B45 = 2885mV
401
402 Ex2: 0x0B49 = 2889mV
403
404
405
406 ==== (% style="color:#4472c4" %)**Temperature:**(%%) ====
407
408 **Example**:
409
410 If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
411
412 If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
413
414
415
416 ==== (% style="color:#4472c4" %)**Humidity:**(%%) ====
417
418 Read:0x(0197)=412    Value:  412 / 10=41.2, So 41.2%
419
420
421
422 ==== (% style="color:#4472c4" %)**Alarm Flag& MOD:**(%%) ====
423
424 **Example:**
425
426 If payload & 0x01 = 0x01  **~-~->** This is an Alarm Message
427
428 If payload & 0x01 = 0x00  **~-~->** This is a normal uplink message, no alarm
429
430 If payload >> 2 = 0x00  **~-~->**  means MOD=1, This is a sampling uplink message
431
432 If payload >> 2 = 0x31  **~-~->**  means MOD=31, this message is a reply message for polling, this message contains the alarm settings. see [[this link>>||anchor="HPolltheAlarmsettings:"]] for detail. [[~>url:http:~~/~~/www.dragino.com/downloads/index.php?dir" data-cke-saved-href="#HPolltheAlarmsettings:" href="#HPolltheAlarmsettings:"~>this link>>||anchor="HPolltheAlarmsettings:" aria-label="Data URI image image widget" contenteditable="false" role="presentation" 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"]]
433
434
435
436 === 2.3.2  Payload Decoder file ===
437
438 (((
439 In TTN, use can add a custom payload so it shows friendly. 
440 )))
441
442 (((
443 In the page Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder to add the decoder from:
444 )))
445
446 (((
447 [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSN50v2-S31/Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSN50v2-D20/Decoder/]]
448 )))
449
450
451
452 (% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% aria-label="Data URI image image widget" 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="Click and drag to resize" %)​
453
454 == 2.4  Temperature & Humidity Alarm Feature ==
455
456 LSN50V2-S31 work flow with Alarm feature.
457
458 [[image:1655972194041-948.png]]
459
460
461 (((
462 User can use (% style="color:#037691" %)** AT+SHTEMP **(%%)and (% style="color:#037691" %)** AT+SHHUM **(%%)command to set the alarm low limit or high limit. Device will check the temperature & Humidity every minute, if the temperature lower than low limit or greater than high limit. LSN50v2-S31 will send an (% style="color:#037691" %)** Alarm packet base on Confirmed Uplink Mode** (%%)to server.
463
464
465 Below is an example of the Alarm Packet.
466
467 [[image:image-20220623161735-10.png||height="514" width="1027"]]
468
469
470 )))
471
472
473 == 2.5  ​Configure LSN50v2-S31 ==
474
475 LSN50V2-S31 supports configuration via LoRaWAN downlink command or AT Commands.
476
477 * Downlink command instructions for different platform: [[Use Note for Server>>doc:Main.WebHome]](IoT LoRaWAN Server)
478 * AT Command Access Instructions:  [[LINK>>||anchor="H4.A0UseATCommand"]]
479
480 (((
481 There are two parts of commands: General one and Special for this model.
482 )))
483
484
485
486 === 2.5.1 General Configure Commands ===
487
488 These commands are to configure:
489
490 * General system settings like: uplink interval.
491 * LoRaWAN protocol & radio related command.
492
493 (((
494 These commands can be found on the wiki:  [[End Device AT Commands and Downlink Commands>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
495 )))
496
497
498
499 === 2.5.2 Sensor related commands ===
500
501
502 ==== (% style="color:red" %)**Set Temperature Alarm Threshold:**(%%) ====
503
504 * (% style="color:#037691" %)**AT Command:**
505
506 **AT+SHTEMP=min,max**
507
508 * When min=0, and max≠0, Alarm higher than max
509 * When min≠0, and max=0, Alarm lower than min
510 * When min≠0 and max≠0, Alarm higher than max or lower than min
511
512 Example:
513
514 AT+SHTEMP=0,30   ~/~/ Alarm when temperature higher than 30.
515
516
517 * (% style="color:#037691" %)**Downlink Payload:**
518
519 **0x(0C 01 00 1E)**  ~/~/Set AT+SHTEMP=0,30
520
521 (% style="color:red" %)(note: 3^^rd^^ byte= 0x00 for low limit(not set), 4^^th^^ byte = 0x1E for high limit: 30)
522
523
524
525 ==== (% style="color:red" %)**Set Humidity Alarm Threshold:**(%%) ====
526
527 * (% style="color:#037691" %)**AT Command:**
528
529 **AT+SHHUM=min,max**
530
531 * When min=0, and max≠0, Alarm higher than max
532 * When min≠0, and max=0, Alarm lower than min
533 * When min≠0 and max≠0, Alarm higher than max or lower than min
534
535 Example:
536
537 AT+SHHUM=70,0   ~/~/ Alarm when humidity lower than 70%.
538
539
540 * (% style="color:#037691" %)**Downlink Payload:**
541
542 **0x(0C 02 46 00)**  ~/~/Set AT+SHTHUM=70,0
543
544 (% style="color:red" %)(note: 3^^rd^^ byte= 0x46 for low limit (70%), 4^^th^^ byte = 0x00 for high limit (not set))
545
546
547
548 ==== (% style="color:red" %)**Set Alarm Interval:**(%%) ====
549
550 The shortest time of two Alarm packet. (unit: min)
551
552 * (% style="color:#037691" %)**AT Command:**
553
554 **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.
555
556
557 * (% style="color:#037691" %)**Downlink Payload:**
558
559 **0x(0D 00 1E)**     **~-~-->** Set AT+ATDC=0x 00 1E = 30 minutes
560
561
562
563 ==== (% style="color:red" %)**Poll the Alarm settings:**(%%) ====
564
565 Send a LoRaWAN downlink to ask device send Alarm settings.
566
567 * (% style="color:#037691" %)**Downlink Payload:**
568
569 0x0E 01
570
571
572 **Example:**
573
574 [[image:1655972693463-687.png]]
575
576 **Explain:**
577
578 * Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message.
579
580 == 2.6  LED Status ==
581
582 LSN50-v2-S31 has an internal LED, it will active in below situation:
583
584 * LED will fast blink 5 times when boot, this means the temperature sensor is detected.
585 * After the fast blinks on boot, the LED will flash once which means device is trying to send Join Packet to the network.
586 * If device successful join LoRaWAN network, the LED will be solid on for 5 seconds.
587
588 == 2.7  Button Function ==
589
590 (((
591 **Internal RESET button:**
592 )))
593
594 (((
595 Press this button will reboot the device. Device will process OTAA Join to network again.
596 )))
597
598
599 == (% style="color:inherit; font-family:inherit; font-size:26px" %)2.8  ​Firmware Change Log(%%) ==
600
601 Firmware version and change log please see: [[**See this link**>>url:http://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Firmware/LSN50.hex/]]**.**
602
603
604
605 = 3.  Battery Info =
606
607 (((
608 The LSN50v2-S31 battery is a combination of a 8500mAh ER26500 Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
609 )))
610
611 (((
612 The battery is designed to last for more than 5 years for the LSN50v2-S31.
613 )))
614
615 (((
616 The battery related documents can be found as below:
617 )))
618
619 (((
620 [[http:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
621 )))
622
623
624 (((
625 The connector is as below incase user want to use their own battery
626 )))
627
628 (% aria-label="image-20220607172042-11.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220607172042-11.png||data-widget="image"]](% 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" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" 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==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​​(% aria-label="Data URI image image widget" 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; left:0px; top:-15px" tabindex="-1" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||data-widget="image" draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​(% aria-label="Data URI image image widget" contenteditable="false" role="region" style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" tabindex="-1" %)​(%%)​
629
630 (((
631 There are several parameters affect the battery power. Please see consumption report from here for the detail explain:
632 )))
633
634 (((
635 [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSN50v2-S31/Test_Report/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSN50v2-D20/Test_Report/]]
636 )))
637
638
639 (((
640
641 )))
642
643 = 4.  Use AT Command =
644
645 == 4.1  Access AT Commands ==
646
647 User can use a USB to TTL adapter to connect to LSN50V2-S31 to use AT command to configure the device. Example is as below:
648
649
650 [[image:image-20220623095817-4.png||height="665" width="1032"]]
651
652 (% style="display:none" %) (%%)
653
654 [[image:image-20220623100044-7.png]]
655
656
657 (% style="display:none" %) (%%)
658
659 = 5.  FAQ =
660
661 == 5.1 What is the frequency range of LSN50v2-S31? ==
662
663 Different LSN50V2-S31 version supports different frequency range, below is the table for the working frequency and recommend bands for each model:
664
665 [[image:image-20220623100350-8.png]]
666
667
668 == 5.2 What is the Frequency Plan? ==
669
670 Please refer Dragino End Node Frequency Plan:  [[End Device Frequency Band>>doc:Main.End Device Frequency Band.WebHome]]
671
672
673
674 == 5.3 How to update the firmware? ==
675
676 (((
677 User can upgrade the firmware for:
678 )))
679
680 * (((
681 (((
682 Support new features
683 )))
684 )))
685 * (((
686 (((
687 For bug fix
688 )))
689 )))
690 * (((
691 (((
692 Change LoRaWAN bands.
693 )))
694 )))
695
696 (((
697 Please see this link for how to upgrade: ** **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
698 )))
699
700
701
702 = 6.  Trouble Shooting =
703
704 == 6.1  AT Command input doesn't work ==
705
706 In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
707
708
709
710 = 7.  Order Info =
711
712
713 **Part Number:  ** (% style="color:blue" %)**LSN50V2-S31-XXX**(%%)**  Or  (% style="color:blue" %)LSN50V2-S31B-XXX (%%)**
714
715
716 (% style="color:blue" %)**XXX**(%%)**: **The default frequency band
717
718 * (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
719 * (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
720 * (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
721 * (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
722 * (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
723 * (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
724 * (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
725 * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
726
727 = 8. ​ Packing Info =
728
729 (((
730 **Package Includes**:
731 )))
732
733 * (((
734 LSN50v2-S31 or LSN50v2-S31B LoRaWAN Temperature Sensor x 1
735 )))
736
737 (((
738 **Dimension and weight**:
739 )))
740
741 * Device Size: cm
742 * Device Weight: g
743 * Package Size / pcs : cm
744 * Weight / pcs : g
745
746 = 9.  ​Support =
747
748 * 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.
749 * 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]].