Briefly introduced: Network Shield for the Arduino with the Wiznet W5100 chip

With the here presented network shield, we can connect our Arduino simply to the internet.

Network shield with the WIZnet W5100 chip

Network shield with the WIZnet W5100 chip


  • WIZnet W5100 chip with 16KB internal buffer
  • speed 10/100Mbps
  • UDP/TCP-IP stack
  • 4 simultaneous socket connections
  • SPI interface
  • Micro SD card slot
  • compatible with Arduino Mega 2560, Arduino Uno, Arduino Duemilanove

Attention, unfortunately, this shield is not compatible with the Olimexino-32U4!

Circuits and projects with the W5100 Network Shield:

Work in progress, please come back later …


eBay: W5100 shield
Amazon: W5100 shield