Color: Blue - Material: CCL(copper-clad plate) - CPU: STM32F103RBT6 - ARM Cortex-M3 core 128kB Flash 20KB RAM maximum operating clock is 72MHz 64 pin - USB interface for USB communication experiment - USB to RS232 (ISP download) for RS232 communication experiment (method of access to ISP programming mode: Press RESRT and BOOT0 at the same time release the RESET button release BOOT0 button) - The standard ARM JTAG 20 PIN simulation interface block (for easy connection JLINK ULINK2 other mainstream emulator) - 2.8" color TFT LCD touch screen (240 x 320 26K color i8080 16-bit parallel interface supports SD card up to 2GB) - RTC backup battery holder - AD adjustment potentiometer - Power indicator light USB status indicator two user programmable LEDs - Two user buttons a BOOT select button a reset button - USB power supply up to 800mA current - 8 MHz and 32.768kHz crystal oscillator - Packing list: - 1 x Mini-STM32 development board - 1 x LCD module - 1 x USB cable (94cm) - 1 x CD