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Modbus/TCP firmware for Cytron IRIV IO using Rust

Modbus/TCP firmware for Cytron IRIV IO using Rust

viktor

Published December 30, 2025

Original author: andergisomonOriginal source (new tab)

Modbus/TCP firmware for Cytron IRIV IO using Rust

Components

Hardware components

WIZnet parts

Project description

Introduction iriv-io-modbus-tcp is an open-source firmware project that aims to run a Modbus/TCP server on the Cytron IRIV IO Controller—a compact industrial I/O device with isolated inputs/outputs and Ethernet. The project is written in Rust using Embassy (async embedded framework) and is currently described as “partial feature parity, in development.” Note: This is a community project and not created by WIZnet. Author introduction The repository is maintained by andergisomon (Ander). From their GitHub profile, they’re an Electrical & Electronics Engineering undergrad (Universiti Teknologi…

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