Battery powered, double ATtiny85 synth with complex oscillators and 3 synth engines.

The oscillator section has 3 sound parameters: pitch, timbre, and waveshape — all under voltage control, offering 6 different synthesis modes. It has a main output and a secondary waveform output. Both can be used independently or in combination.

There is number of different firmwares in the repo. They are Arduino compatible.

This design has no gerbers, nor pcb layouts published while have layout in pdf.

• Manuals and tutorials on Bastl website