Aside from an appropriately large breadboarding surface embedded in the center of the console, he added a power supply ... an Arduino NG, and a pair of level converters. He also added some LED ...

Compatible with Arduino and Raspberry Pi, it can almost meet all your needs. (Without Microcontroller Board) Breadboard and Power Supply Modules-Include various LEDs, resistors, buttons ...

A few things might inhibit an Arduino, AVR ... use an LD1117-3.3 or an LM7833. A bench supply or one of those cheap power supplies that plugs into a breadboard will work too.