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STM32_Modbus_AnalogRead

STM32 BluePill-based analog monitoring system using the WIZnet W5500 Ethernet module. Measures temperature, voltage, and current with external high-resolution A

lawrence

Published March 06, 2026

Original author: Krystian JamrogiewiczOriginal source (new tab)

STM32_Modbus_AnalogRead

Components

Hardware components

WIZnet parts

Project description

Summary STM32 BluePill-based analog monitoring system using the WIZnet W5500 Ethernet module. Measures temperature, voltage, and current with external high-resolution ADCs and delivers real-time data to a PC over Modbus TCP for reliable industrial-style monitoring. Project Overview This project demonstrates an Ethernet-enabled analog measurement system built on the STM32F103C8T6 BluePill. The device collects temperature, voltage, and current data from external sensors and ADCs, then transmits the results to a PC using Modbus TCP over the WIZnet W5500 Ethernet controller. By combining precise…

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