Quantity   Component name
1 × LAN8720A Interface and IO ICs / Ethernet, T1, E1
1 × ESP32
1 × SP485 Interface and IO ICs / RS-232, RS-422, RS-423 and RS-485
1 × 74HC14D Logic ICs / Gates and Inverters
1 × AMS1117 Power Management ICs / Linear Voltage Regulators and LDOs
1 × HR911105A RJ45
1 × OSC 50MHz
1 × USB type C