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W5100 Ethernet Shield
Arduino W5100 network expansion shield
W5100 Ethernet shield with microSD slot
Arduino W5100 network expansion shield
W5100 Ethernet shield with microSD slot
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W5100 Ethernet Shield

  • Operating voltage 5V (supplied from the Arduino Board)
  • Ethernet Controller: W5100 with internal 16K buffer
  • Connection speed: 10/100Mb
  • Connection with Arduino on SPI port
  • The Shield contains a number of informational LEDs
  • PWR: indicates that the board and shield are powered
  • LINK: indicates the presence of a network link and flashes when the shield transmits or receives data
  • FULLD: indicates that the network connection is full duplex
  • 100M: indicates the presence of a 100 Mb/s network connection (as opposed to 10 Mb/s)
  • RX: flashes when the shield receives data
  • TX: flashes when the shield sends data
  • TX: flashes when the shield sends data
  • COLL: flashes when network collisions are detected

₨ 2,999 ₨ 3,640

W5100 Ethernet Shield Price in Pakistan

The W5100 Ethernet Shield adds wired network connectivity to compatible Arduino boards through a standard RJ45 connection. Its WIZnet W5100 controller provides a hardware TCP/IP stack for TCP and UDP projects and communicates with the host board over SPI.

Key specifications

  • Operating supply: 5V from the compatible Arduino board
  • Ethernet controller: W5100 with a listed 16KB internal buffer
  • Listed network speed: 10/100Mb
  • SPI communication with the host controller
  • Support for up to four simultaneous TCP or UDP sockets
  • Onboard microSD card slot for compatible storage projects
  • Status LEDs for power, link and network activity

Common applications

  • Arduino web-server and client experiments
  • Wired sensor monitoring
  • Local-network automation
  • microSD-backed data logging

SPI and compatibility guidance

The Ethernet controller and microSD slot share the SPI bus and normally use separate chip-select pins. Deselect the unused device in software to prevent bus conflicts. Confirm the pin mapping for the connected UNO or Mega-compatible board and the supplied shield revision.

Pair the shield with an Arduino UNO R3 with cable, or explore more Arduino shields from Robonation Pakistan.

For controller details, review the official WIZnet W5100 documentation.

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