With more Eurorack modules added to the studio, I had a need for yet more adapter cables.  Previously, I had made cables for patching between banana systems and 5U quarter-inch … Read More

A controller for use mostly by hands, but also with brain waves. I don’t use piano-like keyboards, but I wanted to have more ways to interact in real time to … Read More

Here’s a miniature synthesizer, purpose built to work with my biometric modules.  In addition to the brainwave and muscle sensing control modules, it has two VCOs, two VCA/ring modulators, and … Read More

I decided to aggregate my two biometric modules — the SoundMachines Brain Wave interface and the ADDAC Systems Muscle Sensing — into a small Eurorack case that would also hold … Read More

I am finally getting around to the assembly phase of this project, which I began to design almost a year ago.  Ken Stone has been producing PC boards by agreement … Read More

Here’s the assembled Rollz-5 project! The whole assembly can operate outside of its box.  Here it is being tested.  To the right you can see the power inlet, ground jack, … Read More

The Meng Qi Rollz-5 PC board project in mid-assembly stage. The image above shows the PC board mounted behind a clear plexiglass panel that holds pots, jacks, switches, etc., sitting … Read More

When patching to CV inputs on Ciat-Lonbarde instruments (Cocoquantus, Plumbutter, Sidrax) it can be useful to add some attenuating ability.  For example, if I want to control the frequency of … Read More

I was late to make DIY builds of the Synthesis Technology e560 and e580 modules.  A post on the Synthtech email list alerted me to Dave Brown’s builds. E560 Deflector … Read More