空气酒精浓度监测仪的设计程序，通过单片机语言编程对传感器采集的酒精浓度值进行处理，实现监测功能！-Monitor air alcohol concentration of the design process, through the single-chip programming language collection of sensors to process the alcohol concentration to achieve the monitoring function!

4*4的键盘显示程序，总共有三个文件，.asm .hex .bin。支持的是keil、环境的编程。-4* 4 keyboard display program, a total of three files,. Asm. Hex. Bin. Support is keil, the programming environment.