2 layers152.4 × 68.6 mm

Pico test synth2
todbot/pico_test_synth
Simple board to help make synths with Raspberry Pi Pico/Pico2 and PCM5102 I2S DAC
55 parts57MIT
KiCad boards from 2 GitHub repositories tagged “synthio”, the most starred first; open any of them in PCBKit.

todbot/pico_test_synth
Simple board to help make synths with Raspberry Pi Pico/Pico2 and PCM5102 I2S DAC

todbot/synthiota
Pico/Pico2-based board for playing with synthesizers in CircuitPython