Simple Metal Detector Circuit

Metal Detector circuit

This post shows you how to make a Metal Detector Circuit using two BC547 NPN Transistor. This is a very simple circuit. The buzzer makes a sound as it moves the metal part near the copper coil in this circuit.

Metal detector circuit :

Metal Detector

Components Needed :

  • Coper Coil – Required
  • BC547 Transistor – 2no
  • 50k Pot – 1no
  • 103 Capacitor – 1no
  • 104 Capacitor – 1no
  • 22pf Capacitor – 1no
  • 33k resistor – 1no
  • Buzzer – 1no

Tools Needed :

  • Soldering iron
  • lead
  • past
  • holding stand

Demo Video :

Related Video : chaser

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