The STM32F103VET6 is an ARM Microcontroller (MCU) manufactured by STMicroelectronics. It is 32-bit, with a Cortex-M3 core and 512KB of Flash memory. It is 100-pin, surface mountable, and designed for applications requiring real-time operations, low power consumption, and Ethernet connectivity. The device also has advanced power management features such as stop, standby, and sleep modes allowing for even lower power consumption. Other features include integrated multiple boot options, up to 128KB of SRAM, a wide range of peripherals, and up to 72MHz operating frequency. The STM32F103VET6 is ideal for those creating industrial or embedded devices.