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 :
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
