Quantity   Component name
1 × AtTiny85 the best microcontroller and the heart of my Project :D
1 × USB-C Connector https://www.lcsc.com/product-detail/USB-Connectors_XKB-Connection-U262-241N-4BV60_C388659.html
1 × BQ24230 for battery management. https://www.lcsc.com/product-detail/Battery-Management-ICs_Texas-Instruments-BQ24230RGTT_C138361.html
8 × WS2812 RGB LED https://www.lcsc.com/product-detail/Light-Emitting-Diodes-LED_Worldsemi-WS2812C_C114587.html
3 × 6x6 buttons
3 × 0.1uF capacitor 0402 package
1 × 1uF capacitor 0402 package
2 × 5.1kΩ resistor 0402 package
2 × 1kΩ resistor 0402 package
1 × 10kΩ resistor 0402 package
1 × 510Ω resistor 0402 package
1 × Lithium Battery
1 × slide switch https://www.lcsc.com/product-detail/Slide-Switches_Korean-Hroparts-Elec-SS-12D02-VG4_C136719.html
2 × 0603 SMD LEDs for visualizing the battery loading