The STM32F103ZET6 is a high-performance 32-bit ARM-based microcontroller manufactured by STMicroelectronics. It is based on the 32-bit ARM Cortex-M3 processor and features a maximum clock speed of up to 72 MHz. The STM32F103ZET6 also features rich peripheral libraries for connections to USB, Ethernet, and CAN buses, as well as digital temperature sensors, LCDs, and other digital peripherals. Its performance line processors allow for maximum clock speeds of up to 72 MHz. In addition to that, the STM32F103ZET6 also features a wide range of analog and digital peripheral libraries that allow developers to easily connect to LCDs, sensors, and other digital peripherals. Along with that, it features a variety of communication peripherals such as EtherCAT, CANBus, and USB for all those who need to interface with other systems. Overall, the STM32F103ZET6 is a powerful and flexible ARM-based microcontroller that can be used for a wide range of projects.