Quantity   Component name
1 × Attiny85 Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × DFRobot WS2812 12bit RGB LED Ring
1 × TP4056 Type C module
1 × Slide Switch
1 × Square head tactile switch with cap
1 × Battery 600mAh
1 × Buzzer
1 × MIC5205 Power Management ICs / Linear Voltage Regulators and LDOs