The DFR0864 with Module is a controller manufactured by DF Robot that features a BlackPill board powered by a STM32F411 microcontroller running at a 100MHz frequency. It is designed to provide a 5VDC voltage supply. The DFR0864 with Module controller features multipurpose I/O pins that can be used for multiple functions including analog inputs, digital inputs, and PWM outputs. The DF Robot DFR0864 controller is ideal for low-power, low-cost embedded system applications.