Similar to the movement sensor we've already covered, distance sensors measure distance using a variety of methods. In this case, Arduino distance sensors use sound to work out how distant objects ...

He suspected EMF interference so as a quick first step he decided to throw together an EMF detector using an Arduino. It uses a bank of LEDs as an indicator bar to reflect the EMF picked up by the ...

[mircemk] shows how to create a simple non-contact proximity sensor using little more than an Arduino Nano board, and a convenient software library intended to measure the value of capacitors. The ...

Built your very own parking sensors for the car using nothing more than an Arduino board and cheap components you can find online ...