简易小信号频率计，能完成测量信号的频率、周期、脉宽、占空比，并用1602液晶显示出来。（由按键决定显示的内容）-simple Frequency count

用SMART2200低成本的实现OV9650摄像头驱动，并在TFT上显示，基于ARM7操作频率较低，进行了像素时钟的降频，故输出一张图片的时间大于1S.-SMART2200 with the realization of low-cost drive OV9650 camera and TFT displays, the lower operating frequency based on the ARM7, a pixel clock frequency of the drop, so the

该程序的主要功能是实现在STM32上数字示波器的实现，可以显示频率，幅值。-The main function of this program is to achieve the STM32 implementation of the digital oscilloscope can display the frequency, amplitude.

一个通过电位器调节输出频率，带数码管显示，系统为ucos-Through a potentiometer to adjust output frequency, with digital tube display, system for ucos