The EASYMX PRO V7 STM32 EMPTY MCUCARD 100PIN is an evaluation board from MikroElektronika designed for use with the STM32F family of microcontrollers. It has a 100-pin interface which allows for connecting external components, and a USB connector for programming and debugging. The board features four LEDs and a potentiometer for basic debugging. It also has two RS485 ports, which can be used to connect various sensors, actuators, and systems. The board includes an OLED display which can be used to show debugging information, or can be used to control various application-specific components.