Flow meters have proven excellent devices for measuring water flow ... using a suitable conversion formula. The Arduino Sketch (code) uses the external interrupt (int 0) on Arduino’s digital pin 2 (D2 ...

The most obvious way of measuring water consumption is to install an off-the-shelf flow meter onto your pipe ... thanks to a power-efficient Arduino Pro Mini and a BlueTooth Low Energy (BLE ...

It runs on an Arduino MEGA 2560 PRO (or similar microcontroller) and supports a wide array of additional hardware including pressure transducer, water level sensor, flow meter, OLED display ...

Utilities can improve water, gas and heating metering accuracy by an order of magnitude, while operating for up to 20 years on an “A”- size battery with Maxim’s MAXREFDES70# ultrasonic flow meter ...