This is a small program I wrote in. Net written dll under vc call

用单片机蜂鸣器实现911报警声音，采用中断延迟实现输出频率的变换。-Used to achieve single-chip buzzer 911 sounds, using interrupt latency to achieve an output frequency of transformation.

RS485通信程序，主机和从机都有了，现成的东西可以直接应用在你的开发中，PC程序用VB编写，485多机通讯是ASM的。-RS485 communication procedures, and from the host machine has a ready-made things can be directly used in your development, the PC using VB preparation procedures, more than 485 machine communication is the ASM.

THE USE OF74LS164 74LS164 74LS164 -THE USE OF74LS164 74LS16474LS16474LS16474LS164

根据公版自己做的usbasp板，添加了usbcdc。-According to the public version of their own to do usbasp board, added usbcdc.

tlc1543AD转换程序,TLC1543 AD采样子程序-tlc1543AD the conversion process, TLC1543 AD sampling subroutine

t6963c控制液晶程序,包含完整的源程序和文档说明-LCD t6963c control procedures, including complete source code and documentation

AP3706电路图 AP3706电路图 -LED驱动，可以驱动5WLED驱动

实现I2C终线的功能，24C64的I2C的总工会系啊-I2C to achieve the function of the end line, 24C64, Department of Trade Unions of the I2C ah

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

51单片机与PC机的串行通信中的程序原代码。-51 microcontroller and PC serial communication of program source code.