Polykit

pico-dco. Polyphonic Digitally Controlled Oscillator (DCO) controlled by Raspberry Pi Pico PIO

polykit-x-monosynth. The Polykit X1 is a DIY semi-modular, analog, patchable synthesizer

polykit-x-voice-card. Schematics and PCB layout for a voice card with multimode filter for a polyphonic synthesizer

kosmo-multitool. Arduino Nano Every based development platform for DIY synthesizer enthusiasts.

eurorack-psu. Eurorack Power Supply +12V -12V +5V

dco. Arduino based DCO

kosmo-spring-reverb-driver. Schematics and PCB layout for a spring reverb driver in Kosmo modular format

polykit-x-mainboard. Schematics and PCB layout for a mainboard for an 8 voice polyphonic synthesizer

vco-1. PCB and schematics for a voltage controlled oscillator (VCO) based on the Jupiter 8.

vco-8. Analog Octo Voltage Controlled Oscillator VCO Kicad PCB and schematics

juno-chorus-clone. Roland Juno-60 chorus board clone

microphone-preamp. Schematics and PCB for a microphone preamp with phantom power

vcf-3350-8. CEM3350/AS3350 based 8 channel VCF

adsr-3310-8. Kicad schematics and PCB layout for an 8 channel ADSR based on CEM3310/AS3310

kosmo-sample-and-hold. Schematics and PCB layout for a sample&hold / noise module in Kosmo format

kosmo-sidechain. Kicad PCB and schematics for sidechain/ducking module in Kosmo modular synthesizer format

vca-adsr. VCA and ADSR schematics and PCB layout

lfo. Low Frequency Oscillator LFO

kicad. Kicad symbols and footprints

polykit-panel. PCB front panel for the Polykit-6 polyphonic synthesizer

polykit-samples. This repository contains various samples which can be used freely.

stackable-resistor-box. Stackable box for resistor belts that can be printed

vca-8. Schematics and layout for 8 VCAs on one PCB

eurorack-sequencer-software. Software for an Arduino based 8-step chainable sequencer

inverter-8.

multiplexer-8. 16 to 8 channel multiplexer to select waveforms in a polysynth

valve-adapter-noval. Noval valve adapter PCB for breadboards

vic20-sequencer. Simple 16-step MIDI sequencer in BASIC for the Commodore VIC-20

dual-mixer. Simple dual mixer schematics and PCB

polykit-x-controlboard. Control board schematics and PCB for my polyphonic synthesizer

peertube-autoscale-runners. A simple program to scale Peertube runners for video transcoding

polykit-x-software. Software for my 8 voice polyphonic synthesizer

3d-printed-microphone. 3d printed dynamic microphone

eurorack-quantizer-software. Arduino based CV quantizer with hold and transpose features

panel-blank-5cm. Blank modular panel in KOSMO format, 5 cm width

polykit-x-case. DXF files for a case for my 8 voice polysynth

vic20-compute-pi. BASIC program that computes n digits of PI on a Commodore VIC20 or C64

polykit-sm57-clone. 3d printable case for a SM57 microphone clone and XLR jack

panel-blank-10cm. Blank modular panel in KOSMO format, 10 cm width

kosmodulargrid. SCSS