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STMicroelectronics NUCLEO-F401RE is an advanced microcontroller board featuring an ARM Cortex-M4 core, designed as part of the STM32 F4 series to provide high computational performance and real-time responsiveness. It comes equipped with 512KB of Flash memory and 96KB of SRAM, offering substantial room for complex application development. Operating at a frequency of 84 MHz, the NUCLEO-F401RE supports a broad range of connectivity options including GPIO, I2C, SPI, USART, and PWM, making it ideal for industrial control systems, consumer electronics, and IoT devices. Its compatibility with the STM32 ecosystem and the board's Arduino Uno Rev3 connectors allow engineers to leverage existing resources and integrate with other modules seamlessly. With code development facilitated through the STM32 CubeIDE, this microcontroller board is an excellent choice for prototyping and educational purposes.