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 ...

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 ...

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 ...

The metal detector circuit shown here must represent the limits of simplicity for a metal detector, yet the design works surprisingly well. It uses just one 40106 hex Schmitt inverter IC, a capacitor ...