The STM32L451REY6TR MCU, manufactured by STMicroelectronics, is an ultra-low-power ARM Cortex-M4 MCU with FPU (Floating Point Unit) running at up to 80MHz and 512 Kbytes of Flash memory. It also features a DFSDM (Direct Memory Access for Secure Digital Memory) module for security purposes in applications. The STM32L451REY6TR offers 32 Kbytes of SRAM for high-performance data processing and a broad set of peripherals such as CAN, multiple timers, USARTs, SPIs, I2Cs, and a low-power RTC. It is widely used in battery-powered embedded applications and Internet of Things devices, such as home automation, health care, human-machine interfaces, and industrial automation.