Quantity   Component name
1 × ATMEGA328P-PU Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × LD-BZPN-1705 Pezo buzzer
1 × KWM-20881ASB Led matrix 8x8 RED
3 × TACT-24K-F Button
1 × CR2032 Batteries and Battery Accessories / Batteries