The Arm Cortex-M4 11+ MCU is a microcontroller unit developed by Arm Holdings, a British semiconductor and software design company. Arm is headquartered in the UK and is a subsidiary of SoftBank Group. The Cortex-M4 11+ MCU is part of Arm's Cortex-M series, designed for embedded applications in industries such as industrial automation, consumer electronics, automotive, and IoT. It features a 32-bit RISC core with DSP and floating-point capabilities, optimized for real-time control and signal processing. These MCUs are widely used in devices requiring high performance, energy efficiency, and reliability, including motor control, smart sensors, and wearable technology.