Quantity   Component name
1 × ATTiny 85 Main MCU
1 × WS2812B Switches and RelaRGB LEDys / Electromechanical Relays
2 × 3.3V Zener Diodes (SOD80 Package) for the 3.3V logic level of USB
1 × 2.2kΩ 0603 Pull-Up for the D+ line
2 × 68Ω 0603 Current Limiting Resistors for the USB datalines
1 × 10kΩ 0603 Pull-Up for the reset line
1 × 100nF 0603 ceramic for the ATTiny power pins