本资源是基于80c51单片机开发的功能强大的电子时钟系统。包括c语言代码、PCB制版的原理图及封装图。-This resource is based on 80c51 microcontroller development of powerful electronic clock system. Including the c language code, PCB schematics and plate package drawing.

基于52单片机的超齐全信号波形设计,qin,有protues,protel 仿真以及原理图-Based on 52 single-chip ultra-complete signal waveform design, qin, there protues, protel schematic simulation and

基于51单片机能实现流电机的驱动，带原理图对初学者有帮助-Based on 51 single chip microcomputer to achieve the flow of the motor drive, with a schematic diagram of the help for beginners