Taste The Code on MSN

Build an Ultrasonic Arduino Air Drum Set for Hours of Fun

Learn how to make a touchless air drum set using Arduino and ultrasonic sensors for endless musical fun. ‘That Has Never Been ...
Hackaday

Using Ultrasonic Sensors To Measure And Log Oil Tank Levels

[Mike] lives in a temperate rainforest in Alaska (we figured from his website’s name) and uses a 570 gallon oil tank to supply his furnace. Until now, he had no way of knowing how much oil was left in ...