Quantity   Component name
16 × WS2812B-2020 LED
1 × ATtiny45 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × 1254 Li-Ion 3.7V Coin Cell
1 × TPS613226ADBVT Boost converter
1 × WE 74438335047 Inductor