Quantity   Component name
1 × JLCPCB Customized PCB
8 × 0603 2mA Amber LEDs
4 × 0603 5mA White LEDs
4 × 0603 5mA Blue/Purple LEDs
1 × ATTINY13-20MMU Microcontroller Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × CR1225 Battery Holder
1 × 100 nF 0603 Capacitor
1 × Resistor