DIY Edges (Grayscale)
pcb design courtesy of the circuit designer via creative commons license
pcbs produced in blue material with immersion gold finish
euro panel 20hp by grayscale
full kit includes everything you need to complete the module. iNCLUDING THE ATMEGA PROCESSOR. THE PROCESSOR NEEDS TO BE FLASHED BY THE BUILDER.
4 channels of soundchip-style sounds, with frequency CV control and Gate control (note on/off).
Channels 1 and 3 are square/pulse (4 MHz clock rate) with 5 preset duty cycles. Extra modulation options are 1>2 sync, 1^2 ringmod and 1^3 ringmod. Channel 4 is either a NES-triangle or one of several flavors of pitched LSFR noise.
Bonus features: 8-step sequence recorder for each channel (individually clocked by the channel's GATE input) ; input CV quantizer ; DIY MIDI interface.