LED Ping Pong With Shift Register : 4 Steps - Instructables

LED Ping Pong Ball (Improved) : 6 Steps - Instructables

LED Pong : 7 Steps (with Pictures) - Instructables

Ping-Pong Game : 7 Steps - Instructables

Arduino LED Pong : 5 Steps - Instructables

Operating a Shift Register : 10 Steps - Instructables

4x4x4 LED Cube Upgrade With Shift Registers (74hc595) : 12 Steps - Instructables

LED Pong : 7 Steps (with Pictures) - Instructables

LED Pong : 7 Steps (with Pictures) - Instructables

LED Pong : 7 Steps (with Pictures) - Instructables

LED Pong : 7 Steps (with Pictures) - Instructables

Ping Pong Ball LED Clock : 13 Steps (with Pictures) - Instructables

LED Ping Pong Ball : 8 Steps - Instructables

LED Ping Pong Ball : 8 Steps - Instructables