Using a flow meter, he measures how much water leaves the tank. Assuming that you know it was once full, you can deduce how much water is left. Using a YF-S201 flowmeter on a Raspberry Pi, the ...

NATICK, Mass. — Researchers at the U.S. Army Combat Capabilities Development Command Soldier Center, or DEVCOM SC, have invented a personal flow meter to measure water consumption. The invention ...

With this in mind, take a look the the Handy Meter, ... The device, designed by Jeon Hwan Soo, slips onto the end of the faucet and measures the flow of water.