short-bigfoot / meebuilt_eurorack

Eurorack DIY projects

eurorack

Eurorack DIY projects

This is a collection of my DIY projects for Eurorack modular synths.

Some additional information can in most cases be found on my YouTube channel: https://www.youtube.com/c/MeeBilt

909-kick:
TR-909 kick based on the Hex Inverter NeinOhNein Bass Drum with all mods included.

3340-vco:
Voltage Controlled Oscillator based on the AS3340.

bassbuddy:
Step sequencer for the Erica Synths BASSLINE DIY.

bmult:
Buffered mult with two 1-to-2 or one 1-to-4 outputs.

busboard:
A small busboard with room for 10 pcs 16-pin boxed headers and provisions for a +5VDC linear regulator.

diode-vcf:
Moritz Kleins diode ladder VCF implemented as a Low-pass filter only. Two CV inputs, one with attenuator and one with attenuverter.

dvca:
Dual LIN/LOG VCA based on the MFOS design by Ray Wilson.

feitw:
My take on the famous "Fastest Envelope in the West", designed by René Schmitz.

midi-sync:
Clock Generator with three sync modes: Internal (tap tempo), External clock and MIDI clock RESET output and 5 Clock Divider outputs (/1 /2 /4 /8 and /16)

misc:
Assorted nice-to-have-stuff.

pmult:
A passive multiple with two 1-to-3 or one 1-to-6 configuration.

umix:
A DC-coupled mixer with 4 attenuverter inputs, two outputs with an LED level indicator and a +5.00 VDC voltage reference.

vc-lfo:
A Voltage Controlled LFO with Triangle, Sine, Square, Ramp Up and Ramp Down outputs.