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This is my CD4069ube based Twin T kick drum module for my modular synth. I fixed a couple of things from the schematic in the link below! I forgot a 10uF capacitor in the diode clipping circuit and forgot to mark the value of the capacitor of the power input. The capacitor doest have to be polarised! For some reason I only had electrolytic at hand at the time and I drew the cap like that in the schematic to see the polarity if needed. So you should be fine using any type of cap! Here’s a link to the schematic in high quality: The circuit is based on Elliot Williams' Logic Noise articles on Hackaday. Here is the drum article: The circuit is also compatible with eurorack systems. My modular works on and - 12V but using banana cables. Thanks bye! You can also follow me on instagram:
