usb程序 硬件用的是isp1518，传输方式dma

atmega128串口通信程序，与PC机通信的驱动-atmega128 serial communication program, and PC communication drivers

在外部环境中检测亮度，温湿度，其中带232及485控制-Detected in the external environment brightness, temperature and humidity, which with 232 and 485 control

串口通信的单片机程序51单片机串口调试程序一例-Microcontroller serial communication program 51 MCU serial debugger one cases

键盘程序。主要实现按一个键就在数码管上显示相应的数。本程序中，数码管是带地址的！ 主要子程序是键盘扫描程序！ 下面英文用工具译的！用的软件是keil-Keyboard procedures. The main achievement of the press of a button on the control in the digital display the corresponding number. This procedure, the digital control is intended to bring the address! The main subroutine is the keyboard scanning process! The following translation tools in English!

bd3201-14A（DRE）提供的高性能数字音频信号处理能力，可实现紧凑的，易用 的，高质量的混响效果解决方案-bd3201-14A (DRE) provides high-performance digital audio signal processing capabilities, enabling compact, easy to use, high-quality reverb solution

用AT89S52编写的12864显示的方波！-AT89S52 prepared with 12,864 square display!

usb host读写U盘！-usb host U-reader!

dds中文资料，从原理入手，交你如何去设计dds。-dds Chinese information, starting from the principle of paying you how to design dds.

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.