Minimal metal detector made with an Arduino and a coil of wire

For an easy DIY metal detector setup, look no further than this project by creator “rgco.”  The handheld device uses a 20-60 turn coil of 26AWG enameled wire, connected across an Arduino Uno or Nano’s pins 8 and 10. A series of pulses is continuously sent out by pin 10, which are delayed in reaching pin … Continue reading Minimal metal detector made with an Arduino and a coil of wire