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m249 schematic

microphones schematic tools

Microphone schematics updated

Microphone schematics updatedI noticed some naming errors in the 404 logs for a number of the microphone schematics, those have...

POTAR June 3, 2026

VOMITORIUM by POTAR Dsign

Guitar Efx music noise

New VOMITROIUMS available now!

New VOMITROIUMS available now!New graphics, new printed circuit boards (instead of vero), and a sound unlike others. The VOMITORIUM can...

POTAR June 2, 2026

Hey Jude Sound Urchin

Custom Sound Urchin

The Hey Jude Sound Urchin

The Hey Jude Sound UrchinGet weird with it!Not your usual Sound Urchin, I took this little Hey Jude music box...

POTAR November 1, 2025

potar hex schmitt synth elcectro calculator

diy synth tools

Hex Schmitt Synth Calculator

Hex Schmitt Synth CalculatorAfter building out the Fuzz Calculators I decided I wanted a helper to calculate the capacitor and...

POTAR October 26, 2025

Fuzz Bias Calculator

Fuzz Bias Calculators

Fuzz Bias CalculatorsWhen building fuzz and overdrive pedals, proper transistor biasing is key to getting the tone, sustain, and response...

POTAR October 22, 2025

Bend Points cassette player mods Circuit Bent Circuit Bent/Bending Custom MODS schematic tape speed mod Vero Layouts

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....

POTAR June 19, 2025