Metal Detector Schematic

  1. Simple Metal Detector - Theory and schematic provided by HobbyHour
  2. Balance Metal Detector - Each coil modifies the frequency of the adjacent oscillator through mutual coupling
  3. Simple Metal Detector - Used one 40106 hex Schmitt inverter IC, a capacitor and a search coil
  4. Metal Detector-1 - A fun metal detector to find coins at the beach
  5. One Coil Induction Metal Detector - Offered induction type metal detector is all-purpose
  6. Coil Coupled Operation Metal Detector - made from readily obtainable component