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Description
Op Amp Twin T Percussion PCB
This is an op amp percussion sound generator based on the Forrest Mims circuit in books such as Getting Started in Electronics and the Engineer's Mini Notebook series.
It has an on board Twin T oscillator to generate tones resembling wood blocks, bongos etc.
Another slower oscillator can auto-trigger the sounds, or a manual push button can be used.
There are 3 potentiometers to adjust the sounds, and an LM386 audio amplifier with an output header to connect a speaker.
Schematic and Layout
Design Files
https://github.com/GadgetReboot/OpAmp_Percussion
Aug 14,2024
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Op Amp Twin T Percussion PCB
A Twin T op amp oscillator with adjustment pots to experiment with percussive sounds
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Published: Aug 14,2024
Download Gerber file 2
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