Quantity   Component name
1 × ATmega328p Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × 16Mhz Crystal
1 × ENC28J60 Ethernet Module Development Kits, Boards and Systems / Adapters, Adapter Boards and Sockets
1 × PCB Switch
1 × 24AA02E48T EEPROM Hardware MAC address