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micro-ROS Arduino Simpler (STM32 + W5100S HAT)

Runs micro-ROS on STM32 using W5100S SPI Ethernet. It enables ROS 2 connectivity via PlatformIO on boards lacking native LAN support.

Benjamin

Published December 05, 2025 · © Apache License 2.0 (Apache-2.0)

Original author: Ar-Ray · JapanOriginal source (new tab)

micro-ROS Arduino Simpler (STM32 + W5100S HAT)

Components

Hardware components
WIZnet Ethernet HAT

x 1

Software Apps and online services

Project description

[English Version] Source Mention Original Project by Ar-Ray (NITKK-ROS-Team) This curation covers both the GitHub Library and the Technical Blog Post by Ar-Ray, a key influencer in the Japanese robotics community. He provides a complete ecosystem for micro-ROS, validating WIZnet's hardware in real-world scenarios. 1. Introduction: The "Simpler" Ecosystem The Problem: Setting up micro-ROS on embedded systems is notoriously difficult, involving complex build flags and transport configurations. The Solution: Ar-Ray's micro_ros_arduino_simpler library creates a unified API for Arduino users. It…

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