The Arm Cortex-M26+ MCU is a microcontroller unit developed by Arm Holdings, a UK-based semiconductor and software design company. It is part of the Cortex-M series, targeting embedded systems in industries like industrial automation, consumer electronics, and IoT. The Cortex-M26+ is optimized for low-power, high-efficiency applications, offering features such as enhanced security and real-time performance. Arm's MCUs are widely used by manufacturers worldwide to build smart, connected devices.