学校的数电课程设计，我做的是数字抢答器，这份试验报告里有电路图和仿真，仿真环境是能支持ewb的工具就行，仿真没问题，就是实际连线的时候要注意不要连错就OK了-The number of school electricity curriculum design, I have to do is figure Responder, this test report, there are circuit diagrams and simula