Ethernet W5100 Shield Network Expansion Board
₵155.00
This is an Ethernet W5100 Shield Network Expansion Board with Micro SD Card Slot for Arduino. The Arduino Ethernet Shield allows an Arduino board to connect to the internet. It is based on the Wiznet W5100 Ethernet chip, which provides a complete network (IP) stack capable of both TCP and UDP communication. The shield supports up to four simultaneous socket connections.
The Ethernet shield connects to an Arduino board using long wire-wrap headers that extend through the shield, keeping the original pin layout intact and allowing additional shields to be stacked on top. This shield connects the Arduino UNO R3 to the internet in minutes—simply plug it into your Arduino, connect an RJ45 Ethernet cable (not included), and follow a few simple steps. It supports Arduino UNO 328 and MEGA 1280 / 2560, and also allows you to retrieve or store files on a Micro SD card.
Out of stock
Technical details
- Model: Expansion Shield
- Compatibility: Arduino
- Ethernet Chip: Wiznet W5100
- Connection Speed: 10/100 Mb
- Operating Voltage: 5 V DC
- Supports TCP and UDP protocols
- Maximum Socket Connections: 4
Features
- Based on the Wiznet W5100 Ethernet controller
- Allows Arduino boards to connect to the internet
- Stackable design supported by the Arduino official Ethernet Library
- Supports up to four simultaneous socket connections
- Can be used to store files for serving over the network
- Compatible with Arduino Duemilanove (168/328), Uno, and Mega (1280/2560)
- Accessible using the Mini SD / TF library
- Standard RJ-45 connector with integrated line transformer
- Onboard reset controller for proper W5100 reset on power-up
- Power over Ethernet (PoE) support
- IEEE 802.3af compliant
- Low output ripple and noise (100 mVpp)
- Overload and short-circuit protection
- 1500 V isolation (input to output)
Pin out
- Ethernet communication via SPI interface
- Micro SD card accessible using SD Library
- SD Card Slave Select (SS): Pin 4
- Extended headers maintain original Arduino pin layout
Applications
- Internet-connected Arduino projects
- Network-based data logging
- Web server and client applications
- IoT and remote monitoring systems
- File storage and retrieval using Micro SD card
Physical attributes
- Length: 75 mm
- Width: 54 mm
- Height: 25 mm
- Weight: 78 g
Package includes
- 1 × Ethernet W5100 Shield Network Expansion Board
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