This is a very basic demonstration of my breadboard picoDexed - running the DX7 emulator, Synth_Dexed, on a Raspberry Pi Pico 1 (RP2040). Now supporting serial MIDI (will also act as a USB MIDI device), DAC, OLED display and rotary encoder.

Full details here: https://diyelectromusic.com/2025/04/12/raspberry-pi-pico-synth_dexed-revisited/

Kevin