ULTRASONIC_GLEANER

Published:2009/6/19 4:18:00 Author:May | From:SeekIC

An ultrasonic cleaner is useful to clean certain items. This circuit uses a microcontroller to con-trol timing and give a digital readout, but only the basic oscillator can be used, if desired. RES1, RES2 are piezoelectric transducers driven by power oscillator Q1. Q1 is powered by a bridge rectifier-capacitor input filter that operates directly off the ac line. The frequency is 40 to 60 kHz.



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