1123sdfs

刚才上传的频率计程序可能不太好，现在这个计数外部脉冲的程序，还是较好的，只是得自己从中截取出来(Just upload the program may not be a good frequency counter, and now this external pulse count procedures, or better, just get yourself out from the interception of)

LPC210X 定时器与串口通讯驱动源码(LPC210X timers and serial communication driver source code)

1820显示温度（LED(595)）C语言版 通过串口设定温度和读取当前温度(1820 shows that the temperature (LED (595)) C language version through the serial port settings to read the current temperature and temperature)

基于51单片机的信号发生器 四种波形显示 有级调频(Based on 51 single-chip signal generator)

随机调制信号下的模拟ppm，基于SVPWM的三电平逆变的matlab仿真，在matlab R2009b调试通过。( Random ppm modulated analog signal under Based on SVPWM three-l)

这是一个基于单片机的LCD显示程序，驱动LCD1602,并显示两条字符。(This is a microcontroller-based LCD display, driver LCD1602, and displays the two characters.)

c8051f320 usb 接口驱动程序 和上位机机通信软件及API函数。(C8051f320 usb driver and superior communication software and blast API.)

ST7565是一款点阵液晶驱动芯片，它具有并行与串行（SPI）两种接口.(ST7565 is a dot matrix LCD driver chip, it has the parallel and serial interface (SPI) two.)

单片机AD功能实例，使用1602显示电压(SCM AD function example, the use of 1602 shows the voltage)

AT89C51SND1C方案mp3资料包括源程序与原理图(AT89C51SND1C program information, including source code and mp3 schematic)