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WIZnet Ethernet HAT W5100S for Raspberry Pi

₹881.00 (Inclusive of all taxes)
Out of Stock

The WIZnet Ethernet HAT is an expansion board designed for Raspberry Pi, featuring the W5100S chip to provide robust 10/100Mbps Ethernet connectivity. It supports hardwired internet protocols like TCP, UDP, and ICMP, with four independent hardware sockets for simultaneous network operations.

Features

  • Integrates WIZnet W5100S Ethernet controller for reliable wired networking.
  • Supports a comprehensive TCP/IP stack including TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE.
  • Provides four independent hardware sockets for concurrent network connections.
  • Offers 10/100Mbps Ethernet speeds with Auto-Negotiation, Full and Half Duplex support.
  • Plugs directly into the Raspberry Pi’s 40-pin GPIO header for seamless integration.

Out of stock

Description

The WIZnet Ethernet HAT is a compact and versatile expansion board engineered to equip Raspberry Pi single-board computers with robust Ethernet connectivity. Designed to attach directly to the Pi’s 40-pin GPIO header, this HAT integrates the powerful WIZnet W5100S Ethernet controller, an RJ45 connector, and all necessary supporting circuitry for reliable wired communication.

Featuring the W5100S chip, this HAT provides a full hardwired TCP/IP stack, offloading network processing from the host Raspberry Pi. It supports a wide array of essential network protocols including TCP, UDP, ICMP, IPv4, ARP, IGMP, and PPPoE. The integrated 10/100Mbps Ethernet PHY supports auto-negotiation, full, and half-duplex modes, ensuring compatibility and optimal performance across various network environments. With four independent hardware sockets and 16 Kbytes of internal memory for TX/RX buffers, the WIZnet Ethernet HAT is ideal for applications requiring stable, multi-client network access.

Key Features

  • Includes WIZnet W5100S Ethernet controller for efficient network processing.
  • Supports 4 independent hardware SOCKETs simultaneously for multi-connection handling.
  • Internal 16 Kbytes memory dedicated to TX/RX buffers, enhancing data flow.
  • Built-in LDO (LM8805SF5-33V) ensures stable 3.3V power supply.
  • SPI Interface with 5V I/O tolerance for flexible Raspberry Pi integration.
  • Embedded 10/100 Ethernet PHY for robust wired network speeds.
  • Supports Auto-Negotiation for easy integration into existing networks.
  • Full / Half Duplex operation modes for versatile network configurations.
  • Features a built-in RJ45 connector (RB1-125BAG1A) for direct Ethernet cable connection.

Applications

  • Adding reliable wired network connectivity to Raspberry Pi projects.
  • Developing IoT gateways requiring stable Ethernet communication.
  • Integrating into industrial automation and control systems.
  • Network-enabled embedded sensing and data logging applications.
  • Remote monitoring and control systems built on Raspberry Pi.

Technical Specifications

Item TypeHAT
HAT TypeEthernet HAT
Ethernet ControllerWIZnet W5100S
Internal Memory16 Kbytes for TX/RX Buffers
Operating Voltage3.3V / 5V
InterfaceSPI (5V I/O tolerance)
Ethernet Speed10 / 100 Based
Duplex SupportAuto Negotiation, Full / Half Duplex

Frequently Asked Questions

What Raspberry Pi models are compatible with the WIZnet Ethernet HAT?

The WIZnet Ethernet HAT is designed to connect via the standard 40-pin GPIO header, making it compatible with most Raspberry Pi models, including the Pi 3B+, Pi 4, and newer versions. It draws power and communicates via this header.

What network protocols does the W5100S chip support?

The W5100S chip provides a hardwired TCP/IP stack that supports a range of protocols. These include TCP, UDP, WOL over UDP, ICMP, IGMPv1/v2, IPv4, ARP, and PPPoE, facilitating robust and reliable network communication directly on the HAT.

How does the WIZnet Ethernet HAT interface with the Raspberry Pi?

The HAT connects to the Raspberry Pi through its 40-pin GPIO header. Communication is primarily handled via the SPI (Serial Peripheral Interface) bus, which provides a high-speed data link between the Pi and the W5100S Ethernet controller. It also uses GPIO pins for control signals.

What is the purpose of the 16 Kbytes internal memory?

The 16 Kbytes of internal memory serve as TX/RX buffers. This dedicated memory allows the W5100S chip to manage incoming and outgoing network packets efficiently, reducing the burden on the Raspberry Pi's CPU and improving overall network performance and stability.

Does this HAT require external power or specific software configuration?

No, the WIZnet Ethernet HAT typically draws its power directly from the Raspberry Pi's 40-pin GPIO header, eliminating the need for an external power supply. Software-wise, it requires specific drivers and libraries (like the WIZnet C driver or Python libraries) to interact with the W5100S via SPI.

Package Includes

  • 1 x WIZnet Ethernet HAT

Additional Information

Weight 0.017 kg
Dimensions 9 × 3 × 3 cm