YF-S201 Hall-Effect Water Flow Sensor. Advertisement. Accurate flow measurement is an essential step both in the terms of qualitative and economic points of view. ... Since this project uses a water ...

Posted in home hacks, Misc Hacks Tagged air, duct, flow, flow meter, HC-SR04, hvac, sensor, time of flight, TOF, ultrasonic Redundant Automated Water Filler For Your Coffee January 6, 2015 by ...

If you're looking for ways to use less water, Instructables user tamberg developed a DIY water faucet sensor that shows you when you've used up a liter. Using an Arduino, flow sensor, and colored ...

It’s a 2D laser distance sensor ... a cheap line laser and an optical mouse’s flow-sensor chip used as a low-resolution camera. In one sense, it’s a standard laser-distance-sensor project.