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ElectroMaster

Toy Organ

This circuit produces a tone according to the button being pressed.

  1. ElectroMaster
    This circuit produces a tone according to the button being pressed. Only 1 button can be pressed at a time, that's why it is called a monophonic organ. You can change the 1k resistors to produce a more-accurate scale.

    Schematic

    toy-organ-circuit.png

    Parts

    R1-4 -1k Resistor
    R5 - 4.7k Resistor
    P1 - 10k Trimpot (Potentiometer)
    S1-5 - Switch
    C1 - 100n Capacitor
    C2 - 10 Electrolytic Capacitor
    SP1 - 8ohm Speaker
    555 - NE555
    tvtech likes this.

Recent Updates

  1. Small Fixes