用AVR实现软USB转RS232的全部资料，包含源碼與電路解-with AVR USB to achieve soft RS232 all the information, including the source code and circuit solutions

AVR实现把模拟信号采样后通过RS232端口输出到计算机端。scr ipt文件夹中的脚本在计算机上运行，与单片机进行通讯读取数据。-AVR board source code. put sample signal in buffer and communicate with computer. computer reads data from AVR on RS232 port with scr ipts.

HMC5843磁强计的测试代码，Atmega8芯片，通过iic协议读取磁强计的数值，通过串口传会-a test code for HMC5843.It can be used to get the data from the HMC5843 and transport it to computer using RS232

AVR mega128程序设计开发，RS232串口程序开发，基于 codevision-AVR mega128 program design and development, RS232 serial port application development, based on codevision