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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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22 {{toc/}}
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34
35 = 1.  Introduction =
36
37 == 1.1 ​ What is LSN50V2-S31 LoRaWAN Temperature & Humidity Sensor ==
38
39
40 (((
41 The Dragino LSN50v2-S31 is a (% style="color:#4472c4" %)**LoRaWAN Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the (% style="color:#4472c4" %)**surrounding environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via LoRaWAN wireless protocol.
42 )))
43
44 (((
45 The temperature & humidity sensor used in LSN50v2-S31 is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:#4472c4" %)**waterproof anti-condensation casing **(%%)for long term use.
46 )))
47
48 (((
49 LSN50v2-S31 supports (% style="color:#4472c4" %)**temperature and humidity alarm feature**(%%), user can get alarm for instant notice.
50 )))
51
52 (((
53 LSN50v2-S31 is powered by(% style="color:#4472c4" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to 10 years. (Real-world battery life depends on the use environment, update period. Please check related Power Analyze report).
54 )))
55
56 (((
57 Each LSN50v2-S31 is pre-load with a set of unique keys for LoRaWAN registration, register these keys to local LoRaWAN server and it will auto connect after power on.
58 )))
59
60
61 [[image:1655968636488-753.png]]
62
63
64 == 1.2  Specifications ==
65
66
67 (% style="color:#037691" %)**Micro Controller:**
68
69 * MCU: STM32L072xxxx
70 * Flash:128KB
71 * RAM:20KB
72 * EEPROM: 6KB
73 * Clock Speed: 32Mhz
74
75 (% style="color:#037691" %)**Common DC Characteristics:**
76
77 * Supply Voltage: built in 8500mAh Li-SOCI2 battery
78 * Operating Temperature: -40 ~~ 85°C
79
80 (% style="color:#037691" %)**Temperature Sensor:**
81
82 * Range: -40 to + 80°C
83 * Accuracy: ±0.2 @ 0-90 °C
84 * Resolution: 0.1°C
85 * Long Term Shift: <0.03 °C/yr
86
87 (% style="color:#037691" %)**Humidity Sensor: **
88
89 * Range: 0 ~~ 99.9% RH
90 * Accuracy: ± 2%RH ( 0 ~~ 100%RH)
91 * Resolution: 0.01% RH
92 * Long Term Shift: <0.25 %RH/yr
93
94 (% style="color:#037691" %)**LoRa Spec:**
95
96 * Frequency Range,
97 ** Band 1 (HF): 862 ~~ 1020 Mhz
98 * 168 dB maximum link budget.
99 * High sensitivity: down to -148 dBm.
100 * Bullet-proof front end: IIP3 = -12.5 dBm.
101 * Excellent blocking immunity.
102 * Built-in bit synchronizer for clock recovery.
103 * Preamble detection.
104 * 127 dB Dynamic Range RSSI.
105 * Automatic RF Sense and CAD with ultra-fast AFC.
106 * LoRaWAN 1.0.3 Specification
107
108 (% style="color:#037691" %)**Power Consumption**
109
110 * Sleeping Mode: 20uA
111 * LoRaWAN Transmit Mode: 125mA @ 20dBm 44mA @ 14dBm
112
113 == ​1.3  Features ==
114
115
116 * LoRaWAN v1.0.3 Class A
117 * Ultra-low power consumption
118 * External 3 meters SHT31 probe
119 * Measure range -55°C ~~ 125°C
120 * Temperature & Humidity alarm
121 * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
122 * AT Commands to change parameters
123 * Uplink on periodically or Interrupt
124 * Downlink to change configure
125 * 8500mAh Battery for long term use
126
127 == 1.4 ​ Applications ==
128
129
130 * Wireless Alarm and Security Systems
131 * Home and Building Automation
132 * Industrial Monitoring and Control
133 * Long range Irrigation Systems.
134
135 (% 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" %)​(%%)​
136
137
138 == 1.5  Pin Definitions and Switch ==
139
140
141 (% class="wikigeneratedid" %)
142 [[image:1655890786311-614.png]]
143
144
145 === 1.5.1 Pin Definition ===
146
147
148 The device is pre-configured to connect to SHT31 sensor. The other pins are not used. If user want to know more about other pins, please refer the user manual of LSn50v2 at: [[https:~~/~~/www.dropbox.com/sh/djkxs7mr17y94mi/AABVlWbM9uzK9OA3mXyAT10Za?dl=0>>https://www.dropbox.com/sh/djkxs7mr17y94mi/AABVlWbM9uzK9OA3mXyAT10Za?dl=0]]
149
150
151 === 1.5.2 Jumper JP2 ===
152
153
154 Power on Device when put this jumper.
155
156
157 === 1.5.3 BOOT MODE / SW1 ===
158
159
160 (((
161 ~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.
162 )))
163
164 (((
165 2. Flash:  work mode, device starts to work and send out console output for further debug
166 )))
167
168
169 === 1.5.4 Reset Button ===
170
171
172 Press to reboot the device.
173
174
175 === 1.5.5 LED ===
176
177
178 It will flash:
179
180 1.  When boot the device in flash mode
181
182 2.  Send an uplink packet
183
184
185 === 1.5.6  Probe Dimension ===
186
187
188 [[image:1655970095830-106.png]]
189
190
191 == (% id="cke_bm_478801S" style="display:none" %) (%%)1.6  Hardware Variant ==
192
193
194 (% border="1" cellspacing="10" style="background-color:#f7faff; width:500px" %)
195 |=(% style="width: 108px;" %)Model|=(% style="width: 138px;" %)Photo|=(% style="width: 203px;" %)**Description     **
196 |(% style="width:108px" %)LSN50v2-S31|(% style="width:138px" %)[[image:1655969394811-263.png]]|(% style="width:203px" %)(((
197 External 3 meters SHT31 probe
198 )))
199 |(% style="width:108px" %)LSN50v2 -S31B|(% style="width:138px" %)[[image:1655969407614-262.png]]|(% style="width:203px" %)(((
200 On device SHT31 Probe
201 )))
202
203 = 2.  How to use LSN50v2-S31? =
204
205 == 2.1  How it works ==
206
207 (((
208
209
210 The LSN50v2-S31 is working as LoRaWAN OTAA Class A end node. Each LSN50v2-S31 is shipped with a worldwide unique set of OTAA and ABP keys. User needs to input the OTAA or ABP keys in the LoRaWAN network server to register. Open the enclosure and power on the LSN50v2-S31, it will join the LoRaWAN network and start to transmit data. The default period for each uplink is 20 minutes.
211 )))
212
213
214 == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
215
216
217 (((
218 Here is an example for how to join the [[TTN LoRaWAN >>url:http://www.thethingsnetwork.org/]]Server. Below is the network structure, in this demo we use [[DLOS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] as LoRaWAN gateway.
219
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221 (% 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:1655970238866-880.png]]
222 )))
223
224 (% 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" %)​(%%)​
225
226 (((
227 The DLOS8 is already set to connect to [[TTN >>url:https://www.thethingsnetwork.org/]]. What the rest we need to is register the LSN50V2-S31 to TTN:
228
229
230 (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LSN50V2-S31.
231
232 Each LSN50V2-S31 is shipped with a sticker with the default device EUI as below:
233 )))
234
235 (((
236
237 )))
238
239 (% 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" %)​(%%)​
240
241
242 (((
243 You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
244
245 **Register the device:**
246 )))
247
248 (% 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" %)​​
249
250 (% 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" %)​
251
252
253 **Add APP EUI and DEV EUI:**
254
255
256 (% 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" %)​
257
258
259 **Add APP EUI in the application:**
260
261
262 (% 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" %)​
263
264
265 **Add APP KEY**
266
267 (% 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" %)​
268
269 (% 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" %)​
270
271 (% 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" %)​(%%)​
272
273 (% style="color:blue" %)**Step 2**(%%): Power on LSN50v2-S31
274
275 [[image:1655891678689-137.png]]
276
277 (% 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" %)​(% 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"]][[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" %)​(%%)​
278
279
280 (((
281 (% style="color:blue" %)**Step 3**(%%)**:**  LSN50V2-S31 will auto join to TTN network via the LoRaWAN coverage by DLOS8. After join success, LSN50V2-S31 will start to uplink temperature value to server.
282 )))
283
284 (% 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" %)​(% 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" %)​​
285
286 == 2.3  ​Uplink Payload ==
287
288 === 2.3.1  Payload Analyze ===
289
290
291 (((
292 Normal Upload Payload:
293 )))
294
295 (((
296 LSN50v2-S31 use the same payload as LSn50v2 mod1, as below. (Since firmware version 1.8.0, the third to sixth bytes are timestamps)
297 )))
298
299 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:400px" %)
300 |=(% style="width: 95px;" %)(((
301 **Size(bytes)**
302 )))|=(% style="width: 36px;" %)2|=(% style="width: 60px;" %)4|=(% style="width: 65px;" %)1|=(% style="width: 65px;" %)**2**|=(% style="width: 65px;" %)2
303 |(% style="width:95px" %)**Value**|(% style="width:36px" %)(((
304 [[Battery>>||anchor="HBattery:"]]
305 )))|(% style="width:61px" %)(((
306 Unix TimeStamp
307 )))|(% style="width:91px" %)(((
308 [[Alarm Flag>>||anchor="HAlarmFlag26MOD:"]]
309 )))|(% style="width:99px" %)(((
310 [[Temperature>>||anchor="HTemperature:"]]
311 )))|(% style="width:97px" %)(((
312 [[Humidity>>||anchor="HHumidity:"]]
313 )))
314
315 [[image:image-20230330135457-3.png]]
316
317
318 ==== (% style="color:#4472c4" %)**Battery:**(%%) ====
319
320
321 Check the battery voltage.
322
323 Ex1: 0x0B45 = 2885mV
324
325 Ex2: 0x0B49 = 2889mV
326
327
328
329 ==== (% style="color:#4472c4" %)**Temperature:**(%%) ====
330
331
332 **Example**:
333
334 If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
335
336 If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
337
338 (FF3F & 8000:Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
339
340
341
342 ==== (% style="color:#4472c4" %)**Humidity:**(%%) ====
343
344
345 Read:0x(0197)=412    Value:  412 / 10=41.2, So 41.2%
346
347
348
349 ==== (% style="color:#4472c4" %)**Alarm Flag& MOD:**(%%) ====
350
351
352 **Example:**
353
354 If payload & 0x01 = 0x01  **~-~->** This is an Alarm Message
355
356 If payload & 0x01 = 0x00  **~-~->** This is a normal uplink message, no alarm
357
358 If payload >> 2 = 0x00  **~-~->**  means MOD=1, This is a sampling uplink message
359
360 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"]]
361
362
363 === 2.3.2  Payload Decoder file ===
364
365
366 (((
367 In TTN, use can add a custom payload so it shows friendly. 
368 )))
369
370 (((
371 In the page Applications ~-~-> Payload Formats ~-~-> Custom ~-~-> decoder to add the decoder from:
372 )))
373
374 (((
375 [[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/]]
376 )))
377
378
379 (% 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" %)​
380
381 (% class="wikigeneratedid" %)
382 == ==
383
384 (% class="wikigeneratedid" %)
385 == ==
386
387 == 2.4  Temperature & Humidity Alarm Feature ==
388
389
390 LSN50V2-S31 work flow with Alarm feature.
391
392
393 [[image:1655972194041-948.png]]
394
395
396 (((
397 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.
398
399
400 Below is an example of the Alarm Packet.
401
402 [[image:image-20220623161735-10.png||height="514" width="1027"]]
403
404
405 )))
406
407 == 2.5  ​Configure LSN50v2-S31 ==
408
409
410 LSN50V2-S31 supports configuration via LoRaWAN downlink command or AT Commands.
411
412 * Downlink command instructions for different platform: [[Use Note for Server>>doc:Main.WebHome]](IoT LoRaWAN Server)
413 * AT Command Access Instructions:  [[LINK>>||anchor="H4.A0UseATCommand"]]
414
415 (((
416 There are two parts of commands: General one and Special for this model.
417 )))
418
419
420 === 2.5.1 General Configure Commands ===
421
422
423 These commands are to configure:
424
425 * General system settings like: uplink interval.
426 * LoRaWAN protocol & radio related command.
427
428 (((
429 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]]
430 )))
431
432
433 === 2.5.2 Sensor related commands ===
434
435
436
437 ==== (% style="color:red" %)**Set Temperature Alarm Threshold:**(%%) ====
438
439
440 * (% style="color:#037691" %)**AT Command:**
441
442 **AT+SHTEMP=min,max**
443
444 * When min=0, and max≠0, Alarm higher than max
445 * When min≠0, and max=0, Alarm lower than min
446 * When min≠0 and max≠0, Alarm higher than max or lower than min
447
448 Example:
449
450 AT+SHTEMP=0,30   ~/~/ Alarm when temperature higher than 30.
451
452
453 * (% style="color:#037691" %)**Downlink Payload:**
454
455 **0x(0C 01 00 1E)**  ~/~/Set AT+SHTEMP=0,30
456
457 (% style="color:red" %)**(note: 3^^rd^^ byte= 0x00 for low limit(not set), 4^^th^^ byte = 0x1E for high limit: 30)**
458
459
460
461 ==== (% style="color:red" %)**Set Humidity Alarm Threshold:**(%%) ====
462
463
464 * (% style="color:#037691" %)**AT Command:**
465
466 **AT+SHHUM=min,max**
467
468 * When min=0, and max≠0, Alarm higher than max
469 * When min≠0, and max=0, Alarm lower than min
470 * When min≠0 and max≠0, Alarm higher than max or lower than min
471
472 Example:
473
474 AT+SHHUM=70,0   ~/~/ Alarm when humidity lower than 70%.
475
476
477 * (% style="color:#037691" %)**Downlink Payload:**
478
479 **0x(0C 02 46 00)**  ~/~/Set AT+SHTHUM=70,0
480
481 (% style="color:red" %)**(note: 3^^rd^^ byte= 0x46 for low limit (70%), 4^^th^^ byte = 0x00 for high limit (not set))**
482
483
484
485 ==== (% style="color:red" %)**Set Alarm Interval:**(%%) ====
486
487
488 The shortest time of two Alarm packet. (unit: min)
489
490 * (% style="color:#037691" %)**AT Command:**
491
492 **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.
493
494
495 * (% style="color:#037691" %)**Downlink Payload:**
496
497 **0x(0D 00 1E)**     **~-~--> ** Set AT+ATDC=0x 00 1E = 30 minutes
498
499
500
501 ==== (% style="color:red" %)**Poll the Alarm settings:**(%%) ====
502
503
504 Send a LoRaWAN downlink to ask device send Alarm settings.
505
506 * (% style="color:#037691" %)**Downlink Payload:**
507
508 0x0E 01
509
510
511 **Example:**
512
513 [[image:1655972693463-687.png]]
514
515 **Explain:**
516
517 * Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message.
518
519 == 2.6  LED Status ==
520
521
522 LSN50-v2-S31 has an internal LED, it will active in below situation:
523
524 * LED will fast blink 5 times when boot, this means the temperature sensor is detected.
525 * After the fast blinks on boot, the LED will flash once which means device is trying to send Join Packet to the network.
526 * If device successful join LoRaWAN network, the LED will be solid on for 5 seconds.
527
528 == 2.7  Button Function ==
529
530
531 (((
532 **Internal RESET button:**
533 )))
534
535 (((
536 Press this button will reboot the device. Device will process OTAA Join to network again.
537 )))
538
539
540 == (% style="color:inherit; font-family:inherit; font-size:26px" %)2.8  ​Firmware Change Log(%%) ==
541
542
543 Firmware version and change log please see: [[**See this link**>>https://www.dropbox.com/sh/djkxs7mr17y94mi/AABVlWbM9uzK9OA3mXyAT10Za?dl=0]]**.**
544
545
546 = 3.  Battery Info =
547
548
549 (((
550 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.
551 )))
552
553 (((
554 The battery is designed to last for more than 5 years for the LSN50v2-S31.
555 )))
556
557 (((
558 The battery related documents can be found as below:
559
560 [[https:~~/~~/www.dropbox.com/sh/61i5wntzqm5041g/AADXof9aNZiw47iyxBkAtVSxa?dl=0>>https://www.dropbox.com/sh/61i5wntzqm5041g/AADXof9aNZiw47iyxBkAtVSxa?dl=0]]
561 )))
562
563
564 (((
565 The connector is as below incase user want to use their own battery
566 )))
567
568 (% 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" %)​(%%)​
569
570 (((
571 There are several parameters affect the battery power. Please see consumption report from here for the detail explain:
572
573 [[https:~~/~~/www.dropbox.com/sh/rxxu1p75vw7ma98/AACN7b5wsTm7mS-s2kTf5kFna?dl=0>>https://www.dropbox.com/sh/rxxu1p75vw7ma98/AACN7b5wsTm7mS-s2kTf5kFna?dl=0]]
574 )))
575
576 (((
577
578 )))
579
580 = 4.  Use AT Command =
581
582 == 4.1  Access AT Commands ==
583
584
585 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:
586
587
588 [[image:image-20220623095817-4.png||height="665" width="1032"]]
589
590 (% style="display:none" %) (%%)
591
592 [[image:image-20220623100044-7.png]]
593
594
595 = 5.  FAQ =
596
597 == 5.1 What is the frequency range of LSN50v2-S31? ==
598
599
600 Different LSN50V2-S31 version supports different frequency range, below is the table for the working frequency and recommend bands for each model:
601
602 [[image:image-20220623100350-8.png]]
603
604
605 == 5.2 What is the Frequency Plan? ==
606
607
608 Please refer Dragino End Node Frequency Plan:  [[End Device Frequency Band>>doc:Main.End Device Frequency Band.WebHome]]
609
610
611 == 5.3 How to update the firmware? ==
612
613
614 (((
615 User can upgrade the firmware for:
616 )))
617
618 * (((
619 (((
620 Support new features
621 )))
622 )))
623 * (((
624 (((
625 For bug fix
626 )))
627 )))
628 * (((
629 (((
630 Change LoRaWAN bands.
631 )))
632 )))
633
634 (((
635 Please see this link for how to upgrade: ** **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
636 )))
637
638
639 = 6.  Trouble Shooting =
640
641 == 6.1  AT Command input doesn't work ==
642
643
644 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.
645
646
647 == 6.2 Abnormal temperature ==
648
649
650 When the temperature is displayed as - 0.1, it means that the sensor is not connected.
651
652 Please check whether the wiring is loose/Blocked by the insulation layer of the wire/pin damaged
653
654
655 = 7.  Order Info =
656
657
658 **Part Number:  ** (% style="color:blue" %)**LSN50V2-S31-XXX**(%%)**  Or  (% style="color:blue" %)LSN50V2-S31B-XXX (%%)**
659
660 (% style="color:blue" %)**XXX**(%%)**: **The default frequency band
661
662 * (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
663 * (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
664 * (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
665 * (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
666 * (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
667 * (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
668 * (% style="color:red" %)**IN865 **(%%)**:**  (% style="color:red" %)**LoRaWAN**(%%) IN865 band
669 * (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
670
671 = 8. ​ Packing Info =
672
673
674 (((
675 **Package Includes**:
676 )))
677
678 * (((
679 (% style="color:blue" %)**LSN50V2-S31**(%%) **or** (% style="color:blue" %)**LSN50V2-S31B**(%%) LoRaWAN Temperature Sensor x 1
680 )))
681
682 (((
683 **Dimension and weight**:
684 )))
685
686 * Device Size: cm
687 * Device Weight: g
688 * Package Size / pcs : cm
689 * Weight / pcs : g
690
691 = 9.  ​Support =
692
693
694 * 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.
695 * 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]].
696
697
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