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Complete STM32F411CEU6 Black Pill guide for 2026: pinout, GPIOs, ADC, I2C, SPI, UART, USB-C DFU, SWD, boot mode and Arduino IDE setup.
STM32F103C8T6 Blue Pill Pinout, GPIOs & Arduino IDE Guide (2026)
Complete STM32F103C8T6 Blue Pill pinout and GPIO guide for 2026: power, ADC, I2C, SPI, UART, USB, SWD, boot modes and Arduino IDE setup.