how to make a metal detector circuit (BC547).

how to make a metal detector circuit (BC547).

home made metal detector circuit.
gold detector kit.
metal detector.
metal detector circuit.

use component :-
transistor    bc547  2p
capacitor     22pf,
                     103pf,
                     104pf,
resistor         2.2Kohm
                      47Kohm (pot)
mini buzzer   5volt
copper wire   32 SWG
battery           3.7v

--------------------------------------------

555ic//--
flip-flop circuit.. using "NE555"ic

Day & night detector//--
=Video

Diode to LDR//--
=darkness sensor use diod//Diode conve...

Micro USB data cable//--
=Video

Wire less power supply//--
=wireless power supply//wireless power...

Voltage booster//--
=voltage booster 1.5v to 3volt (part-1)

Object detector sensor//--
=object detector circuit | motion sens...

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