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How to Build Ethernet-to-UART Conversion with WIZnet W5500 on a PP-ETS-NR-Class Module?

PP-ETS-NR is a compact Ethernet-to-UART converter for commercial embedded systems that need to bridge serial devices to TCP/IP networks.

gavinchang

Published May 23, 2026

Original author: PlatypusOriginal source (new tab)

How to Build Ethernet-to-UART Conversion with WIZnet W5500 on a PP-ETS-NR-Class Module?

Project description

How to Build Ethernet-to-UART Conversion with WIZnet W5500 on a PP-ETS-NR-Class Module? Summary PP-ETS-NR is a compact Ethernet-to-UART converter for commercial embedded systems that need to bridge serial devices to TCP/IP networks. The public product page confirms UART-to-Ethernet conversion, Modbus TCP and Modbus RTU/ASCII conversion, 10/100 Mbps Ethernet, serial speeds up to 921 kbps, AT-command control, web configuration, industrial temperature operation, ESD protection, and a built-in unique MAC address. The page does not identify the internal Ethernet IC, so WIZnet usage cannot be…

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