The Arm Cortex-M131+ MCU is a microcontroller unit (MCU) developed by Arm Holdings, a British semiconductor and software design company. It is part of the Cortex-M series, which is widely used in embedded systems for industrial, automotive, and IoT applications. The Cortex-M131+ MCU is designed for low-power, high-performance tasks, featuring advanced security and connectivity options. It serves industries such as automation, consumer electronics, and smart devices. Arm's MCUs are licensed to various manufacturers globally, enabling tailored solutions for diverse applications.