STM32 model: STM32F407VGT6, LQFP100, running speed is 168MHz, 1MB Flash, 192KB RAM; 1 x USB 2.0 full speed DEVICE interface (STM32 internal integration); One Reset button; 2 x User LED, 1 x Power LED; TFT display port, support SPI and FSMC, support 2.8" , 3.2" , 4.3" , 5" , 7" RA8875 LCD module; 2 x Debug interfaces: 1 x Standard 20-pin JTAG interface; 1 x Power switch; Lead out STM32F407VGT6 all GPIO; Lead out GND, 3.3V pin, provide power supply for other board.