基于51单片机制作的函数信号发生器，用DA0832和运算放大器来输出，单片机产生信号，用proteus仿真了（内含），能够产生正弦波，方波，锯齿波，三角波的波形。,51 single-chip microcomputer-based production function signal generator, used to DA0832 and the op-amp output, single-chip signal, proteus simulation with the (implicit