A few years ago [Brian McCafferty] created a nice big RGB LED panel in a poster frame that aimed to be easy to move, program, and display ... to get images onto a DIY RGB panel, but his assembly ...

John Park has recently built a Raspberry Pi 5-powered "wall arcade" with RGB LED matrix display that offers a nostalgic ...

A marvel of DIY engineering that ... with hot glue (to diffuse LED colours), bamboo skewers, and rubber bands. At its heart is an Arduino UNO, which syncs the RGB LED ‘bubbles’ and a servo ...