pwm信号输出，占空比可调，数码管显示，信号发生器，示波器显示-pwm signal output, duty cycle adjustable, digital LED display, signal generator, oscilloscope display

基于labview的虚拟示波器的设计（本人毕业设计所编，仅供参考）-Labview virtual oscilloscope-based design (I graduated design ed for reference only)