This is a 555 tone generator circuit based on NE555 timer IC. NE555 is a very famous IC used in many circuits and performs variety of tasks. In this circuit the IC is used as an astable oscillator and the circuit will generte a tone when power is applied. The 1M potentiometer is used to adjust the pitch of the



tone produced by the circuit. The capacitors are used to reduce the noise. The circuit can be operated with 6 volt DC.



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