a simple ringmodulator-ish FX pedal
Demo Video Introduction Earlier this year I wrote a post about how to build a simple shortwave receiver with nothing but widely available hobbyist electronics parts, i.e. 74HCxx ICs, standard […]
Category Archives: music related tech
DIY music instruments or music instrument modifications
Wheelchair Accessible FX Stompbox – A Remote Control
Motivation A friend of mine is a talented bass guitarist who happened to play in my band. He came across the TECH21 Sansamp, which is a nice and compact bass […]
Output-Transformer-Less Tube Guitar Amplifier
Another tube amp project. I built this in Summer of 2011. I was passing by a garbage pile of electric devices and I found the wreck of a vintage tube […]
An EL84 tube guitar amplifier
Another old project (2010). Not much to tell here. Just showing some pictures. I got my hands on an old (OLD!) electrophoresis lab power supply. Really sturdy metal enclosure. Believe […]
Brute Force Computation for Cheap Log Digital Potentiometers
Abstract This article covers the attempt to build a digital logarithmic potentiometer out of two linear potentiometers. The benefits of this concept are: Linear digital potentiometers can be easily procured […]
Touchpad as wireless (MIDI) expression controller
Motivation A friend of mine is an artist who does the technical realization for interactive sound sculptures projects and such. He also is a gifted bass player in several […]
clocked 8-bit random pattern generator for CMOS synth
Motivation I was building some Lo-Fi CMOS synthies, just like the ones you see here: http://hackaday.com/2015/02/04/logic-noise-sweet-sweet-oscillator-sounds/ or here: http://www.nicolascollins.com/hackingtutorial11.htm Soon after I played around with some simple sequencers and multiplexers […]
vintage clavinova YP-40 to MIDI master keyboard
Motivation A while ago a friend asked me if I could take a look on something. He got a clavinova YP-40 (world’s first digital piano) from a newspaper insertion. The […]
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 […]
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) […]
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