Read more about the article UART Serial Communication Guide on STM32 and Arduino: Wiring, Baud Rate and Debugging

UART Serial Communication Guide on STM32 and Arduino: Wiring, Baud Rate and Debugging

Key Takeaway: UART serial communication is the simplest and most widely used two-wire protocol between microcontrollers and industrial devices — once you appreciate TX/RX crossover wiring, shared ground, and matching…

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ESP32 Modbus to MQTT Industrial IoT Gateway Architecture
ESP32-based industrial IoT gateway converting Modbus RTU/TCP sensor data to MQTT

ESP32 Industrial IoT Gateway: Building a Modbus to MQTT Bridge

Key Takeaway: The ESP32 makes an ideal low-cost industrial IoT gateway for bridging Modbus RTU/TCP field devices to MQTT cloud platforms. This guide walks through hardware setup, firmware architecture, and…

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