Quantity   Component name
1 × ATmega328P Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × ENC28J60-I/SS Microprocessors, Microcontrollers, DSPs / Networking Microcontrollers
1 × DS3231M Clock and Timer ICs / Real-Time Clocks
1 × PCF8574 Microprocessors, Microcontrollers, DSPs / Microprocessors (MPUs)
1 × CH340G USB to serial converter
1 × L7808 Power Management ICs / Linear Voltage Regulators and LDOs
1 × ULN2803 Discrete Semiconductors / Power Transistors and MOSFETs
1 × LM1117-3.3 Power Management ICs / Linear Voltage Regulators and LDOs
1 × LM2596S-5 Power Management ICs / Switching Regulators and Controllers
4 × BC858 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
4 × BC817 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
1 × HR911105A Ethernet socket with LAN transformer
4 × FJS23101BH Common anode, single digit 7-segment display unit