一个7107芯片关于proteus的仿真电路（不包含pcb变换）-A 7107 chip proteus simulation circuit (not including pcb transform)

DS18B20设计温度计仿真文件，可以直接导入proteus好用-DS18B20 design thermometer simulation files can be directly imported proteus easy to use

基于单片机AT89C51的lcd1602显示的电子时钟的c程序代码和proteus仿真-Ultrasonic wave has strong pointing to nature ,slowly energy consumption ,propagating distance farther ,so, in utilizing the scheme of distance finding that sensor technology and automatic control technolog