java实现的图形用户界面样板，有点复杂，是一个图形用户界面程序。-java achieve the graphical user interface model, a bit complicated, it is a graphical user interface procedures.

关于一款示波器的制作,资料很全包括PCB原理图,样板和器件,具有实用价值-With regard to the production of an oscilloscope, the data is very wide, including PCB schematics, and the device model has practical value