The Arm Cortex-M291+ MCU is a microcontroller unit (MCU) series developed by Arm Holdings, a British semiconductor and software design company. Arm Holdings, headquartered in Cambridge, UK, is a subsidiary of the Japanese conglomerate SoftBank Group. The Cortex-M291+ MCU series is designed for embedded systems and serves industries such as industrial automation, automotive, consumer electronics, and IoT. These MCUs are known for their high performance, energy efficiency, and real-time processing capabilities, making them ideal for applications requiring robust compute power and low power consumption.