USB DDR Dance Pad (Arduino, Pull-Up Resistors) - Super Make Something Episode 9 - YouTube
I've built a diy PIU dance pad (similar to DDR) with LED lighting, all controlled with an Arduino Leonardo acting as a HID game controller : r/ arduino
Arduino DDR and PORT register to control multiple digital outputs! - YouTube
Get your DDR on with an Arduino dance pad | Arduino Blog
Arduino 日本語リファレンス
Arduino Port Manipulation (Registers Access) Tutorial & Examples
DIY Arduino Capacitive DDR Pad : 4 Steps - Instructables