Quantity   Component name
1 × ATMega32u4 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
4 × WS2812B LEDs
3 × 1 Mohm Trim Potentiometer
1 × USB Connector
1 × Panasonic Tactile Switch
1 × 3.3v Regulator