Modular Music Box Arduino polyphonic audio

Posted on Feb 7, 2014

Before I emailed Pablo Gian Villamil and he sent me on a link to his class notes (yay!) for Generating polyphonic sound with Arduino I tried to work out his circuitry from his various blog posts and component listings CMOS Hex Schmitt Trigger Inverter Integrated Circuit (74C14) or CMOS Quad NAND Gate Schmitt Trigger Integrated Circuit (CD4093)

Modular Music Box Arduino polyphonic audio
Click here to download the full size of the above Circuit.

(on the board but not using it 4093 4093B Quad 2-input Schmitt trigger NAND gate )

Leave Comment

characters left:

Related Circuits

  • New Circuits



    Popular Circuits

    Announcer DoorBell
    Battery charging regulator
    Second-Order Audio Filter Performs Multiple Functions
    arduino How to make a clean amplified microphone analog to digital conversion
    1Hz Oscillator circuit
    Remote Control Your Computer
    Audio Preamplifiers Projects and Circuit
    50 Watt Amplifier
    NSH Field Strength Meter
    MIDI Drum Machine Schematic Main CPU Section
    UV/IR/Visible LED Flashlight with Intensity Control
    PPMC and stepping motor driver IC dedicated connection circuit