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Arduino Ethernet REV3 – Wired Network Connectivity for Your Projects
The Arduino Ethernet REV3 (without PoE) combines the power of the Arduino Uno R3 with a built-in W5100 Ethernet controller, giving your projects direct wired internet access without any additional shield. Ideal for building networked devices, web servers, IoT data loggers, and remote monitoring systems.
Key Features
- Microcontroller: ATmega328P
- Built-in Ethernet controller: WIZnet W5100 (supports TCP and UDP)
- Operating Voltage: 5V
- Digital I/O Pins: 14 (6 PWM outputs)
- Analog Input Pins: 6
- Flash Memory: 32 KB (0.5 KB used by bootloader)
- Clock Speed: 16 MHz
- onboard microSD card slot for local data storage
- No PoE (Power over Ethernet) module – powered via DC jack or USB
- Compatible with Arduino Ethernet Library and Arduino IDE
What's Included
- 1x Arduino Ethernet REV3 Board (without PoE)
Ideal For
Makers, engineers, and students building wired IoT solutions, home automation hubs, web-based sensor dashboards, and network-connected data loggers. A solid choice when Wi-Fi is unreliable or when a stable wired connection is preferred.