2 layers20.3 × 104.3 mm

Expander just back
plinkysynth/plinky-expander
hardware design of a small expander for the plinky synth
62 parts19
Boards in 3 GitHub repositories, designed in KiCad, that use the DAC7554IDGS by Texas Instruments (-40℃~+105℃ 0.35LSB 12 2.7V~5.5V 200nA 4 5us Power-on reset、Power-down mode SPI Voltage Buffer VSSOP-10 Digital to Analog Converters (DAC) ROHS). See how each wires it, with its parts, size, README and files; the DAC7554IDGS’s symbol, footprint and pinout are on its own page.

plinkysynth/plinky-expander
hardware design of a small expander for the plinky synth

lichen-community-systems/signaletic
A music signal processing library designed for embedded environments and Web Assembly, in C
