An easy to build and easy to calibrate square wave VCO. Features 1V/O tuning, external CV input for modulation. Ideal for beginners or people needing a very small simple VCO to expand their system.
Compatible with 12V or 15V systems. The Pots are PCB mounted, but all other parts are mounted off board.
For complete descriptions of the way the module is used, mp3 samples and how to build it, including schematics and parts list; download this PDF file.
Boards are available now. Price for a PCB/PIC set is $14.
Unfinished eurorack
panels are available for this project, they are 4HP and cost $7 each.
There is
more information here about panels. If you're interested in drilling your own panel for
this project, feel free to use my
drill guide. That image should be printed at 300dpi for proper
scaling.
