The Arm Cortex-M140+ MCU is a microcontroller unit series developed by Arm Holdings, a British semiconductor and software design company. These MCUs are part of Arm's Cortex-M family, widely used in embedded systems for industrial automation, consumer electronics, automotive, and IoT applications. The Cortex-M140+ series offers energy-efficient processing, real-time performance, and scalability, catering to diverse hardware requirements. Arm licenses its designs to global manufacturers, enabling them to produce custom chips for various industries.