Metal detector

453

05:55:43

This is the circuit of a very common but a complicated device called metal detector.u can also increase its search frequency by connecting a potentiometer on the the c.v. Point of the 555 integrated circuit.

published 9 years ago

mueezkhan

9 years ago

In the place of bulb( lamp) u have to place a speaker or buzzer

BillyT

9 years ago

EC cannot find a solution, circuit appears to need a bit of thought.

mueezkhan

9 years ago

Now improved.sorry voltage source direction was not constant

subha007

9 years ago

Should i connenct the Potentiometer on no.5 PIN??

subha007

9 years ago

Please tell me the specification of the potentiameter suitable for this circuit

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