avr串口实验,并且带有硬件原理图，程序简单，适合新手！

报警测试程序，用于测试设备中的报警信息，进行和用户之间的显示和对话操作。-Alarm testing procedures, test equipment for the alarm information, and user display and dialogue between the operator.

本要求适用于Microcon-T02半导体冰箱控制板（以下简称控制板）。本控制板由电源板、显示控制板两部分组成。-The requirements apply to Microcon-T02 semiconductor refrigerator control panel (hereinafter referred to as the control panel). The control panel from the power supply board, display panel is composed of two parts.

本文详细介绍了4×4矩阵式键盘识别技术，内含详细的电路图和C51源代码。-This paper describes a 4 × 4 matrix keyboard recognition technology, and contains detailed schematics and source code C51.

这是我画的步进电机通用的驱动板，当然只是应用到初学者，版胡德不是很好，希望大家多多指教。-This is my painting of the stepper motor drive GM board, of course, only applied to the beginner, not a very good version of Ehud, I hope everyone exhibitions.

20ma的电流环通信回路仍应用于一些远程通信的场合，本文为其实现过程。-20ma current loop

点阵式打印机驱动程序,CPU:89C51RD2,含3562个汉字,可打印图形,有1024字节缓冲区-Dot-matrix printer driver, CPU: 89C51RD2, including 3562 Chinese characters can print graphics, has 1024-byte buffer

硬件电路液晶显示模块1602引脚程序。初学者必备-Hardware circuit pin LCD module process 1602. Beginners must

12,14,16点阵汉字显示文件 12,14,16点阵汉字显示文件-12,14,16 dot matrix display Chinese characters files characters dot matrix display documents 12,14,16

pic16c54系列的芯片资料,i/o端口,定时器-PIC16C54 Series chip data, i/o port, timer

该程序实现了LCD1602在AVR单片机上控制，详细定义了各种功能函数，并自定义了汉字库-The program achieved LCD1602 Singlechip in AVR control, detailed definitions of the various features function, and customize the汉字库