《单片机C语言程序设计实训100例——基于8051+Proteus仿真》案例压缩包 第 03 篇 综合设计 35 光耦控制点亮和延时关闭照明设备-" Microcontroller C Programming Language Training 100 cases- based on 8051+ Proteus simulation," Case No. 03 archive 35 optocoupler integrated design control and delay