... STM32F103ZET6 On-board resources:* CPU: STM32F103ZET6; (LQFP144-pin, on-chip integrated 512K flash, 64KRAM, 12Bit A / D, D / A; PWM, CAN, USB ... to DAC output terminals* A buzzer, the five users LED lights, a power indicator light, a USB communication indicator, four user ... routines, not only functional modules MDK-board test-source: LED lights into the water six examples, RTC, according to health, PWM ...