2 years of toner transfer – tips that won’t hurt you
Motivation I’ve been manufacturing my own PCBs in my basement now for more than two years. It is amazing what you can achieve these days with relatively inexpensive tools. For […]
digitally controlled HiFi Amp with 4 way mixer
Motivation Though I am a musician I don’t care for calling an expensive hi watt stereo my own. For years I have used a homebuilt stereo amplifier built around the […]
ignition coil
Why do you call an ignition coil an ignition coil? Because it’s good for igniting things :D The ingredients are simple: – Ne555 based square wave oscillator – switching MOSFET […]
interfacing early 90′s HQ digital oscilloscope from LINUX
Abstract In this article I will tell you how to interface with a GOULD 4094 digital storage oscilloscope without proprietary software, i.e. using only Linux command line tools and the […]
MIDI OUT for vintage Korg CX-3
Motivation The Korg CX-3 is one of the most popular and best sounding Hammond C3 clones. (I am talking about the vintage version from the 70s, not the digital reissue) […]
MFOS Sound Lab Mini Synthesizer (Part 2) – A MIDI2CV Converter
Motivation So my MFOS Mini Synth is working and a treat to the “synthetophile” ears. But at the time being it makes just experimental noises … what about connecting a […]
Velocity Adjustment for MIDI Masterkeyboard
A while ago (I think I was 16 or so) I bought a MIDI master keyboard, i.e. the FATAR Studiologic TMK-88 (or TMK 88?). The production quality of the keys […]
