---
title: "Duet 2 Ethernet"
url: "https://maker.wiznet.io/irina/resellers/duet-2-ethernet/"
markdown_url: "https://maker.wiznet.io/irina/resellers/duet-2-ethernet/md"
type: "VAR: Value-Added Reseller Products"
author: "Duet3D"
author_url: "https://www.duet3d.com/duetwifi"
editor: "WIZnet"
editor_url: "https://maker.wiznet.io/"
original_author: "Duet3D"
original_url: "https://www.duet3d.com/duetwifi"
published: "2025-09-24"
language: "en"
likes: 0
views: 1522
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# Duet 2 Ethernet

> Duet 2 Ethernet: 120 MHz ARM Cortex-M4 board with W5500 Ethernet, SPI TMC2660 drivers, dual extruders, PT100/Type-K, web control out of the box

Original author: Duet3D (source: https://www.duet3d.com/duetwifi)

## Article

## About Duet3D

Duet3D is a UK-based company that develops high-performance motion control electronics and software. Founded from the RepRap community, it is best known for its Duet series controller boards and the open-source RepRapFirmware (RRF), widely used in 3D printing, CNC, and automation systems.

### What is the Duet 2 Ethernet?

The **Duet 2 Ethernet** is a 32-bit motion control electronics board powered by the **Atmel SAM4E8E ARM Cortex-M4 processor (120 MHz)**.
It is designed for high-performance, reliable motion control with integrated **Wiznet W5500 Ethernet networking**, ensuring stable remote access and web-based configuration.

### Key Features of Duet 2 Ethernet

**Processor**: **Atmel SAM4E8E ARM Cortex-M4**, 120 MHz (32-bit)

512 KB Flash, 128 KB RAM
→ Much faster than legacy 8-bit boards, enabling smooth motion and advanced features

**Ethernet Networking**: Dedicated W5500 chip, TCP/IP offload for fast and reliable web control

**Stepper Drivers**: TMC2660 (SPI controlled, up to 256 microstepping, 2 A RMS).flexible expandability for advanced control systems

**Thermal Management**: 3 heater/thermistor channels, 3 PWM fans, 2 always-on fans

**Expansion**: Support for up to 7 extruders via expansion header

**Sensor Compatibility**: PT100 and Type-K thermocouple support with daughter boards

**User Interface**: Compatible with PanelDue touchscreen controller

**Connectivity**: MicroSD card and USB interface included

**Firmware** : Runs **RepRap Firmware(RRF),**Web interface for uploading G-code and tuning parameters in real time

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### Why Choose Duet 2 Ethernet?

The Duet 2 Ethernet stands out because it combines **powerful motion control**, **stable Ethernet networking**, and **easy expandability**.
Unlike older 8-bit boards, it handles higher step rates, real-time adjustments, and advanced monitoring without bottlenecks.

### Applications of Duet 2 Ethernet

This controller board is ideal for:

Precision motion systems

Multi-axis motor control

Network-enabled automation setups

Any project requiring stable Ethernet connectivity with reliable real-time control

### Final Thoughts

The **Duet 2 Ethernet controller board** offers the best balance of **processing power, network connectivity, and modular expandability**.
Its use of the **Wiznet W5500 Ethernet chip** guarantees smooth network performance without compromising motion control.
For engineers and makers seeking a modern, flexible motion control solution, the Duet 2 Ethernet is a solid investment.

In summary, **the Duet 2 Ethernet **is a high-performance **32-bit motion control board **with stable W5500 Ethernet networking, precision **TMC2660 drivers**, and flexible expandability for advanced control systems.

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## 📌 Additional Technical Details

**🔹 RepRapFirmware (RRF)**
The **Duet 2 Ethernet controller board** runs on **RepRapFirmware (RRF)**, a powerful 32-bit open-source motion control firmware.

Easy configuration via plain-text `config.g` (no recompilation needed)

Supports multiple kinematics: **Cartesian, Delta, CoreXY, SCARA, and more**

Real-time tuning of motors, heaters, and PID settings through the **Ethernet web interface**

Advanced features like conditional G-code, user macros, and multi-extruder support

Perfect for users seeking a **flexible, Ethernet-based control board with modern firmware🔹 TMC2660 Stepper Drivers**
The Duet 2 Ethernet is equipped with **Trinamic TMC2660 stepper drivers**, delivering quiet and efficient motion control.

Up to **256 microstepping** for ultra-smooth and precise motor performance

Rated for **2.0 A RMS (2.4 A peak)** per motor, suitable for demanding motion systems

**SPI-controlled**: enables on-the-fly current and microstepping adjustments

**StallGuard2**: sensorless stall detection for improved reliability

**CoolStep**: intelligent current management reduces heat and power consumption

A key advantage for anyone needing a **high-performance motion controller with Ethernet connectivity**

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Source: https://maker.wiznet.io/irina/resellers/duet-2-ethernet/