---
title: "DFRobot DFR0125 Ethernet Shield V2 Arduino W5100S"
url: "https://maker.wiznet.io/annjaison/resellers/dfrobot-dfr0125-ethernet-shield-v2-arduino-w5100s/"
markdown_url: "https://maker.wiznet.io/annjaison/resellers/dfrobot-dfr0125-ethernet-shield-v2-arduino-w5100s/md"
type: "VAR: Value-Added Reseller Products"
author: "annjaison"
original_url: "https://nanospot.eu/moduly-ethernet/3-dfrobot-dfr0125-ethernet-shield-v2-arduino-w5100s.html"
published: "2022-10-28"
language: "en"
likes: 3
views: 866
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# DFRobot DFR0125 Ethernet Shield V2 Arduino W5100S

> The module allows you to connect the Arduino to the Internet using an RJ45 cable

Original source: https://nanospot.eu/moduly-ethernet/3-dfrobot-dfr0125-ethernet-shield-v2-arduino-w5100s.html

## Article

## Possibilities:

- Full network (IP) stack with TCP and UDP options.

- Provides support for up to 4 simultaneous socket connections.

- Built-in 16K TX / RX memory for TCP / IP packet processing

- Support for - auto-negotiation

## Specification:

- Working voltage: 5V

- 16KB TX / RX memories

- 4 simultaneous socket connections

- Fully hardware TCP / IP + MAC + PHY protocol stacks

- Working temperature: -40 C ~ 85 C

- Dimensions: 70 x 55 x 30mm

---

Source: https://maker.wiznet.io/annjaison/resellers/dfrobot-dfr0125-ethernet-shield-v2-arduino-w5100s/