通过这个示波器的制作，你将会了解很多东西，比如如何运用运算放大器组合放大电路，高速AD转换器的应用、FIFO存储器的应用、AVR单片机SPI总线接口协议以及点阵液晶驱动。-Produced by the oscilloscope, you will understand many things, such as how to use the combination of amplifier op-amp, high-speed AD converter application, FIFO mem