This is the circuit diagram of 1W audio amplifier which use TDA7052 as the main component and other 5 pieces of components to support the […]

This is an audio bandpass filter circuit which will filtering the audio frequency from 300Hz to 2500Hz.. The lower and higher audio frequency will be […]

This easy electronic buzzer circuit built based on timer works for gaining the frequency. The IC timer NE 555 used as astable multivibrator operating at […]