Making FPCs with a cutting plotter
Roland Alpha Juno 2 repair: https://sdiy.info/wiki/Roland_Alpha_Juno_2
KlimperLux optical guitar pickup: https://codeberg.org/Luno/KlimperLux
Switchable capacitor: https://codeberg.org/Luno/pro-cap_small
update, with Pinetime-smartwatch: Wireless gesture control of a
synthesizer (preview)
new schematic: A minimalistic MIDI interface
for the Raspberry Pi / play a MIDI file
Kritzelphon
preview: Paper to MIDI
Platinen
herstellen mit dem Schneideplotter / Making PCBs
with a cutting-plotter
Encoder and attiny13
emulating buttons of Korg Poly-800
Bluetooth-midi
to din-midi bridge
Arduino
Lichtorgel (colour organ) for LPD8806-LED-strip
Teensy
MIDI controller for SysEx (26.02.21: update v1.2)