The Arm Cortex-M165+ MCU is a microcontroller unit developed by Arm Holdings, a British semiconductor and software design company. It belongs to the Cortex-M series, which is widely used in embedded systems for industrial, automotive, and consumer electronics applications. The Cortex-M165+ is designed for high-performance, low-power processing, catering to industries such as automation, IoT, and robotics. Arm's MCUs are licensed to various manufacturers globally, enabling them to produce customized chips for diverse hardware needs.