The same holds true for a lot of microcontroller designs including [rgco’s] clever metal detector that uses very little other than an Arduino. The principle of operation is simple.

Check Out This DIY Arduino-Powered Metal Detector Robot This remote-controlled metal detecting Arduino-powered robot is legit. Updated: May 10, 2025 12:58 AM EST ...

Detects a small metal coin at a distance of 4-5 cm, and larger metal objects at a distance of 10 cm and more. In fact, its purpose is to locate more accurately the object that was previously detected ...

by Mirko Pavleski Publication date 2020-04-24 Topics Youtube, video, Science & Technology, Arduino metal detector, arduino, detector, simple, sensitive, coil, double, metal, instructions, homemade, ...