Simple Buzzer driver with 555


Posted on Jul 14, 2012

This very simple circuit just uses a couple of resistors, a capacitor and the easily available 555 timer IC. The 555 is setup as an astable multivibrator operating at a frequency of about 1kHz that produces a shrill noise when switched on. The frequency can be changed by varying the 10K resistor.


Simple Buzzer driver with 555
Click here to download the full size of the above Circuit.




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