基于TLC5620和51单片机实现简单的信号发生器，可以调节方波，三角波的频率幅度，正弦波频率可调，幅度有两个档位。-51 MCU based TLC5620 and simple signal generator can adjust the square wave, triangle wave frequency range, adjustable sine wave frequency, amplitude has two sta

基于串行DA芯片TLC5620的正弦信号发生器(A sinusoidal signal generator based on serial DA chip TLC5620)