DIY open-source ultrasound hardware on the rp2040/rp2350(un0rick.cc)70 points by kelu124 5 months ago | 6 comments
Deluge – sequencer, synthesizer and sampler – goes open source(synthtopia.com)205 points by weatherlight 3 years ago | 44 comments
A RP2040 Powered MIDI-Controlled Synth in CircuitPython(gist.github.com)72 points by _Microft 3 years ago | 9 comments
Mothbox 4.0(digital-naturalism-laboratories.github.io)258 points by bookofjoe 2 years ago | 38 comments