Welcome to this blog of miscellaneous articles which touch on electronics, software and audio. It gets updated haphazardly and, in the way of these things, none of the projects will likely ever be truly finished....


Thoughts on arrangements for connecting phantom power and ground in audio circuits.

Considerations for creating a microphone pre-amplifier and power supply for consumer grade use and a practical design.

Using the KiCad PCB design tools for making breadboard/stripboard prototyping boards.
Standalone intelligent control for staircase lighting using an Arduino.

Arcam Alpha 7 CD Repair

A couple of repairs for common faults on Arcam Alpha 7 CD players. 

A look inside a cheap USB-powered phantom power supply for XLR connections.