User Manual
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LSN50V2-S31 LoRaWAN Outdoor Temperature & Humidity Sensor 2 / 22
1. Introduction .............................................................................................................................. 4
1.1 What is LSN50V2-S31 LoRaWAN Temperature & Humidity Sensor ............................................ 4
1.2 Specifications .............................................................................................................................. 5
1.3 Features ...................................................................................................................................... 6
1.4 Applications ................................................................................................................................ 6
1.5 Pin Definitions and Switch .......................................................................................................... 6
1.5.1 Pin Definition .................................................................................................................... 6
1.5.2 Jumper JP2 ........................................................................................................................ 7
1.5.3 BOOT MODE / SW1 ........................................................................................................... 7
1.5.4 Reset Button ..................................................................................................................... 7
1.5.5 LED .................................................................................................................................... 7
1.5.6 Probe Dimension .............................................................................................................. 7
1.6 Hardware Variant ....................................................................................................................... 8
2. How to use LSN50v2-S31? ......................................................................................................... 9
2.1 How it works? ............................................................................................................................. 9
2.2 Quick guide to connect to LoRaWAN server (OTAA) ................................................................... 9
2.3 Uplink Payload .......................................................................................................................... 12
2.3.1 Payload Analyze .............................................................................................................. 12
2.3.2 Payload Decoder file ....................................................................................................... 13
2.4 Temperature & Humidity Alarm Feature .................................................................................. 13
2.5 Configure LSN50v2-S31 ............................................................................................................ 14
2.5.1 General Configure Commands ........................................................................................ 14
2.5.2 Sensor related commands: ............................................................................................. 14
2.6 LED Status ................................................................................................................................. 17
2.7 Button Function ........................................................................................................................ 17
2.8 Firmware Change Log............................................................................................................... 17
3. Battery Info ............................................................................................................................. 18
4. Use AT Command .................................................................................................................... 19
4.1 Access AT Command ................................................................................................................. 19
5. FAQ ......................................................................................................................................... 20
5.1 What is the frequency range of LSN50v2-S31? ........................................................................ 20