Robin Edwards's repositories
ArduinoBASIC
A BASIC interpreter & environment for the Arduino
UnoCart-2600
SD card multi-cart for the Atari 2600 (based on my UnoCart design)
UltimateCart
SD-card multicart for Atari 8-bit computers
A8PicoCart
UnoCart on a Raspberry Pi Pico clone
SNES-to-NeoGeo
Connect a SNES/SFC controller to your NeoGeo DB15 or JAMMA connector via an arduino.