Ethernet W5100 Shield Network Expansion Board for Arduino with Micro SD Card Socket Q2 C1

Features

W5100 Ethernet Controller: Provides stable and fast Ethernet connectivity.

Micro SD Card Slot: Supports data storage and retrieval for web hosting or logging.

Integrated TCP/IP Stack: Simplifies network communication protocols.

Stackable Design: Standard Arduino shield size for compatibility with Arduino Uno, Mega, and similar boards.

Multiple Socket Connections: Supports up to four simultaneous socket connections.

LED Indicators: Displays network activity and status.

Specifications

Ethernet Speed: 10/100 Mbps.

Micro SD Card Compatibility: FAT16 and FAT32 formatted cards up to 32GB.

Voltage Input: 5V (powered by Arduino).

Dimensions: Standard Arduino shield size.

Communication Interface: SPI for both Ethernet and SD card operations.

Pinout:

Power Pins:

VCC: 5V power supply (from the Arduino)

GND: Ground

SPI Pins (for Ethernet and SD communication):

MISO: Master In Slave Out (D12 on Arduino UNO)

MOSI: Master Out Slave In (D11 on Arduino UNO)

SCK: Serial Clock (D13 on Arduino UNO)

SS (Slave Select): Used to select the SPI device (D10 on Arduino UNO)

Ethernet Chip Select Pin:

CS (Ethernet): Chip Select for the Ethernet module (D10 on Arduino UNO)

SD Card Chip Select Pin:

CS (SD Card): Chip Select for the microSD card slot (D4 on Arduino UNO)

Interrupt Pin (Optional):

IRQ: Interrupt Request Pin (used in some applications, not always necessary)

Micro SD Card Slot:

The shield provides a microSD card slot for data storage, supporting cards up to 32GB.