The Arm Cortex-M191+ MCU is a microcontroller unit (MCU) based on the ARM Cortex-M architecture, developed by Arm Holdings, a British semiconductor and software design company. It serves industries such as industrial automation, consumer electronics, automotive, and IoT. The Cortex-M series is known for its energy efficiency, real-time performance, and scalability, making it ideal for embedded systems. Key products include microcontrollers for motor control, sensor processing, and low-power applications.