Playing pong against myself (and losing) before showing the guts of this build.

• Arduino Pro mini (3.3v)
• OLED SSD1306 (I2C)
• Two linear potentiometers (100K)
• Piezo buzzer
• TP4056
• LiPo 280mAh

Source: https://github.com/MichMich/arduino-pong Tutorial: http://michaelteeuw.nl/post/87381052117/building-pong