Producing items onto a screen simply by touching the air is a marvelous thing. One way to accomplish this involves four HC-SR04 ultrasonic sensor units that transmit data through an Arduino into a ...

[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 ...

This homemade parking sensor was developed using an Arduino, ultrasonic range finder and some other components to guide vehicle parking. One of the main materials used is the Arduino duemilanove which ...