Industrial I/O Controller Powered by ESP32-S3 and W5500

Alan

Published August 02, 2026

Original author: Enervis

Project description

Overview This project introduces an industrial Ethernet-based I/O controller developed with ESP32-S3 and WIZnet W5500. The controller is designed for industrial and facility automation applications that require reliable field signal control, monitoring, and Ethernet connectivity. The product integrates: 8-channel DIO 8-channel AIO 1-channel RS-485 Ethernet connectivity based on W5500 NPN sink-type digital outputs By combining ESP32-S3 for embedded control and W5500 for Ethernet communication, this controller provides a compact and practical platform for industrial I/O and network-based…

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