My first go at adding the extra buttons on the Raspberry Pi Gameboy Advance SP kit. Waiting on a set of Red, green, blue and yellow buttons to go for a SNES

Latest build using additional button for a SNES theme. Really wish I could find blank buttons though, if anyone is aware of such a thing please let me know. Using the Super Retro Boy Theme as always (Such a great theme). Additional buttons surprising nice

Null 2 Kit from Ampersand on Tindie

Build Your Own RPi Gameboy Advance With Freeplaytech's Kits

IPS V2 Backlit Gameboy Advance Sp-transparent Console Custom Mod With 10 Level Brightness Control - Norway

The Game Boy DMG Color (DMGC)

Overview, PiGRRL 2

The Best RetroPie Handheld Consoles For Nostalgic Gaming (All Reviewed)

2.5 - Reading Button Value — SunFounder Euler Kit for Raspberry Pi Pico 1.0 documentation

GameBoy Advance SP Raspberry Pi Kit - Test fitting the new PCB.