The STM32L431RCT6 is a high-performance, low-power ARM Cortex-M4-based microcontroller from STMicroelectronics’ STM32L4 series. Operating at a frequency of up to 80 MHz, it features 256 KB of Flash memory, 64 KB of SRAM, and a rich array of peripherals. Key peripherals include USART/UART, SPI, I2C, USB, and CAN interfaces, as well as multiple timers, ADCs, DACs, and an LCD driver. The STM32L431RCT6 supports various low-power modes to optimize energy consumption and includes integrated voltage regulators and power supply supervisors for reliable operation. Packaged in a 64-pin LQFP, it is suitable for a wide range of embedded applications, including industrial automation, smart home systems, and medical electronics. With extensive development support from STMicroelectronics, including STM32CubeMX and STM32CubeIDE, the STM32L431RCT6 offers a flexible and efficient solution for creating innovative embedded systems.