Quantity   Component name
1 × ATMega328P Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × CSTNE16M0V530000R0 16MHZ resonator https://www.digikey.com/en/products/detail/murata-electronics/CSTNE16M0V530000R0/8747729
1 × PTS636 reset switch https://www.digikey.com/en/products/detail/c-k/PTS636-SL43-SMTR-LFS/10071722
1 × 10K 0402 SMT resistor