DIY Square-Wave Generator

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Introduction: DIY Square-Wave Generator

About: Music Technology at NYU Steinhardt is a leading and internationally recognized program in music, sound and audio technology. Students prepare for successful careers in sound engineering, computer music, audi...
Ever wondered how an analog synthesizer actually generates sound? Using some basic components and a 7555 IC, we'll show you how to make your own square-wave generator, allowing you to create small yet powerful and versatile synths of your own!

 

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    Here is a schematic we used in this tutorial: http://en.wikipedia.org/wiki/555_timer_IC

    Here you can see a schematic: https://www.circuitlab.com/circuit/dgv878/variable-hz-7555/
    its a slight variation on the above, with much more satisfactory results.