Understand STM32 ADC reference voltage options: internal VrefINT or external VREFBUF via VDDA/VREF+. Includes CubeMX config, sampling, and calibration code.
Learn STM32, ESP32, and embedded systems by writing code from scratch using datasheets and reference manuals. All tutorials are tested on actual hardware to help you build reliable, real-world projects with full control and understanding.