是全国电子设计大赛的经典，FFT算法,是一个很好的处理波形的程序-Electronic Design Competition is the classic, FFT algorithm, is a very good procedures to deal with wave

SG12232C graphic LCD液晶编程-This is an evaluation use of a small graphics LCD module. Last summer, SG12232C graphic LCD module has been sold sold for 1500 Yens from Akizuki Denshi and I bought it. However I could not find good application for the LCD mo

可以通过STM32的AD采集测出正弦波的频率，并在液晶屏上显示出来。（原子的mini板可直接用）-AD can gather through the STM32 measured sine wave frequency, and displayed on the LCD screen. (Atoms mini board can be directly used)