MegaFRANK is a hardware emulation platform built around the Raspberry Pi RP2350 (RP2350A QFN modules)
evgs
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Monosynth with analog signal path and digital controls. SSI2130 VCOs and SSI2140 VCF.
DIY audio-related projects of questionable quality and dubious utility; delivered in 30 minutes or less or the next one is free
Protoype hardware and firmware for evaluating different designs of capacitive touch buttons and reverse-mount LEDs