I noticed some naming errors in the 404 logs for a number of the microphone schematics, those have all been fixed (i think) and I’ll continue to watch the 404s for issues with files.
Thanks, Happy Building!
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Microphone schematics updated
I noticed some naming errors in the 404 logs for a number of the microphone schematics, those have all been…
New VOMITROIUMS available now!
New graphics, new printed circuit boards (instead of vero), and a sound unlike others. The VOMITORIUM can go from zero…
The Hey Jude Sound Urchin
Get weird with it!Not your usual Sound Urchin, I took this little Hey Jude music box and mounted it right…
Hex Schmitt Synth Calculator
After building out the Fuzz Calculators I decided I wanted a helper to calculate the capacitor and resistor combos for…
Fuzz Bias Calculators
When building fuzz and overdrive pedals, proper transistor biasing is key to getting the tone, sustain, and response just right….
Pitch control for cassette players
06/18/2025 – Recently updated with better explanation.Here is a stripboard layout that I did for cassette player speed mods….





