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STM32 Modbus TCP Server using LWIP — Ethernet Setup Tutorial (Part 1)

Aug 29, 2026
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Build an *STM32 Modbus TCP Server* using the LWIP networking library and learn how to receive, parse, and respond to Modbus TCP requests over Ethernet. In this tutorial, we start a new STM32 Modbus TCP series and configure the *Ethernet peripheral, LWIP stack, and MPU* using STM32CubeMX. We use the Nucleo H755 board with a static IP address and create a basic TCP server listening on the standard Modbus TCP port 502. #STM32 #ModbusTCP #LWIP #EmbeddedSystems šŸ“ *Download Project Files & Full Article:* https://controllerstech.com/stm32-modbus-tcp-server-lwip-part1/ šŸ“ *STM32 Modbus TCP Series:* https://controllerstech.com/stm32-hal/modbus/tcp-tutorials/ šŸ“ *ControllersTech Home:* https://controllerstech.com/ ### ā–¶ļøŽ Related Videos 1ļøāƒ£ *STM32 Ethernet LWIP Configuration:* https://youtu.be/8r8w6mgSn1A 2ļøāƒ£ *STM32 Modbus TCP Protocol Explained:* https://youtu.be/42u86_i8ZoM 3ļøāƒ£ *TCP Server: Reading Registers:* https://youtu.be/P2xmSv1posk
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