Keyestudio W5500 Ethernet Development Board for Arduino Projects (without POE)

The Keyestudio W5500 Ethernet Development Board is an all-in-one solution that combines an ATmega328 microcontroller with an onboard W5500 TCP/IP Ethernet controller and a MicroSD card slot. Fully compatible with Arduino UNO pin configurations, it is perfect for students, educators, and makers looking to build web-connected projects and simple IoT servers.

Onboard W5500 Ethernet controller

The integrated W5500 chip allows you to easily connect your Arduino projects to the internet or a local network. You can configure the board as a simple Web server or control digital and analog pins remotely using standard Ethernet libraries in the Arduino IDE.

Full Arduino UNO compatibility

Built around the ATmega328 microcontroller, this board is fully compatible with Arduino UNO pin layouts and supports standard shields. It features 14 digital input/output pins, including 6 PWM outputs, and 6 analog inputs for versatile sensor interfacing.

Integrated MicroSD card slot

An onboard MicroSD card slot allows for convenient data logging and storage of web assets directly on the board. This makes it easy to host web pages or save sensor readings over time without needing an external shield.

Flexible power and programming

The board features a MicroUSB port for easy programming and power, alongside an external power jack supporting 7 to 12V, with 9V recommended. It runs at a clock frequency of 16MHz and includes 32K of flash memory, 2K of SRAM, and 1K of EEPROM.