MUSIC RELATED CIRCUITS
Electronic Canary
-An electronic version of a chirping canary. May be used as an alarm, a sound effects generator or perhaps a replacement doorbell.
Metronome Circuit
-A metronome circuit based on a simple astable. The output sound is distorted to emphasize the pulses.
Sound Effects Generator
-This circuit uses a UM3561 IC to produce four different sound effects.
Sound Effects Generator 2
-This circuit uses the Holtek HT2884 IC to produce 8 different sound effects.
Electronic Siren
-An electronic siren made from discrete components. A push button switch is used to create the sound, which rises in pitch when the switch is pressed, and falls in pitch when the switch is released.
Compact DJ Station
Two Phono/Line switchable inputs Powered by 9V Battery or external supply Adaptor
Simple Color Organ
built-in microphone and three widely adjustable frequency bands obtained by means of very simple, passive filters for Bass, Middle and Treble.