... leads to DAC output terminals* A buzzer, the five users LED lights, a power indicator light, a USB communication indicator, four ... in routines, not only functional modules MDK-board test-source: LED lights into the water six examples, RTC, according to health ... ,routines,drives,documents)Product Image: NEW STM32F103ZET6 development board with FSMC,NAND/NOR FLASH and 2.8inch or 3.8inch TFT touch screen