GAR Monster Starter Kit for Arduino Uno Mega Nano, Complete Advanced Set w/ ESP32, 25 Sensor Modules, Bluetooth WiFi Ethernet Wireless for Electronics STEM Robotics Projects
Amazon.com: Waveshare ENC28J60 Ethernet Board Ethernet Converter Module Connects MCU to Ethernet Network SPI Serial Interface Board : Electronics
Ethernet W5100 Web Server SD Card Network Shield Expansion Board Module for Arduino
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Ethernet Nano W5100 Ethernet Shield LAN Network Module Board Micro-SD Support TCP UDP for Arduino V3.0 R3 UNO Mega 2560 One: Amazon.com: Industrial & Scientific