It's about using Arduino as the main controller for the Metal Detector.I've searched the web and found many circuits of Metal Detectors.Some are as simple as built around the famous 555 timer IC and ...

Looking for a light project to teach young hackers some very basic electronics? Here’s a quick and easy weekend project, a simple metal detector! We all know 555 timers are very useful and pop up in a ...

Metal detector circuit using IC 555 Electronic Circuits. Building a simple metal detector circuit using IC 555 and buzzer.circuit design and schematic diagram to build metal detector that could detect ...

A metal detector used to be an entirely analogue instrument, an oscillator whose frequency changed with the inductance of its sense coil when a piece of metal approached. [Łukasz Podkalicki] shows us ...