这是一个简单的计算器设计，是用单片机做的，里面有能在keil软件里运行的程序，还有仿真图-This is a simple calculator is designed to do with single-chip, which are able to run keil software program, as well as simulation of Figure

这是基于单片机结合人工神经网络进行气体浓度检测设计里的关于人工神经网络程序设计的代码-This is based on the microcomputer with the artificial neural network design in gas concentrations detected on the artificial neural network programming code

基于51单片机的十字路口交通灯设计，有keil工程文件，proteus仿真，c语言程序，原理图及pcb图纸。-Based on 51 single-chip crossroads traffic lights design, keil project files, proteus simulation, c language program, schematics and pcb drawings.