In addition, the BLE allows the device to be wireless and send data directly to an Android device. Thanks to a WH-SP-RG rain gauge, there’s not much to that part. The smart part is an nRF52832 ...

Wouldn’t it be great to use existing RF infrastructure to connect your wireless stuff? [Malte Pöggel] thinks so, and this LoRa rain gauge is the result. The build starts with a commercially ...