the RP2040 chip that powers the Pi Pico went up for sale in single unit quantities. That opened up the possibility of building the PICO-GB functionality into a cartridge small enough to actually ...

This enables [Turi] to use [Ryo Ishigaki]’s pico_synth_ex synthesizer and introduce MIDI out via USB-C. The new engine does things that little keyboard could never have dreamed of originally ...