The ARM Cortex-M125+ MCU is a microcontroller unit (MCU) series developed by ARM Holdings, a British semiconductor and software design company. ARM Cortex-M processors are widely used in embedded systems and serve industries such as industrial automation, automotive, consumer electronics, and IoT. The Cortex-M125+ MCU, part of the Cortex-M family, is designed for real-time, low-power applications, offering high performance and energy efficiency. These MCUs are commonly integrated into devices like sensors, motor controls, and smart appliances. ARM's technology is licensed to various global manufacturers, making it a cornerstone in the embedded systems market.