BLE Flow Meter
This project involved design and development of prototypes for a Bluetooth Low Energy (BLE) based Flow Meter. We designed the circuit, PCB, 3D printed enclosure, and a companion app for an Android tablet using the Cordova cross-platform framework. For the controller, we chose an FCC certified Raytac module with the Nordic nRF52832 SoC. The flow was measured using a Hall effect sensor.