简易信号发生器源程序 １键选择发波类型,1为正弦波,2为三角波,3为方波-Simple signal generator source 1 button to select the wave type of fat, 1 for the sine wave, 2 for the triangular wave, 3 for the square wave

本制作适用于初学单片机51者,简易波形发生器的制作-This production is suitable for beginners microcontroller 51, the production of simple waveform generator