Description of product: LoRaWAN Dragino LWL02 flood sensor - EU868MHz - Seeedstudio 101990941
Dragino LWL02 wireless flood detector powered by two AAA batteries . Equipped with the SX1262 chip, which is responsible for long-range LoRaWAN communication with very low power consumption. The sensor is equipped with two contacts , when there is water between them, the LWL02 will send the appropriate signal to the LoRaWAN receiving device. The sensor is powered by AAA batteries, which can provide from 16,000 to 70,000 uplink packages, which gives 2 to 10 years of battery life. When the battery runs out, it can be easily replaced by opening the housing. LWL02 sends data periodically every day as well as for every water leak event. It also counts the duration of the last water leak. Each LWL02 sensor is preloaded with a set of unique LoRaWAN registration keys, these keys need to be registered on the LoRaWAN server and it will connect automatically after power on.
LoRaWAN flood sensor. 
Sample connection diagram.The main features of the LoRaWAN flood sensor
- Compact dimensions
- LoRaWAN version v1.0.3 A class
- LoRa SX1262 long-range chip with low energy consumption
- Powered by two AAA batteries
- Convenient device configuration through AT commands
- Periodic sensor data uploads and water leak events
- Easily connect to a computer and update firmware via the program port
The manufacturer provides an instruction manual that guides you step by step on how to properly install the sensor.
LWL02 flood sensor specification
- Communication: LoRaWAN
- Power supply: 2x AAA (not included)
- LoRaWAN version: v1.0.3 class A
- Layout: SX1262
- Two mounting holes: diameter 3.5 mm, spacing 45 mm
- Dimensions: 73.9 x 31.39 x 20.1 mm
Kit contents
- LoRaWAN LWL02 flood sensor - EU868MHz - Seeedstudio 101990941
LoRaWAN LWL02 flood sensor - EU868MHz - Seeedstudio 101990941.
