通过单片机对HT9200进行控制访问，实现电话的DTMF拨号功能

There a lot of program can be used it is wonderful

实现AD转换tlc549芯片的驱动，建模力量转化为数字量-TLC549 chip AD conversion realize the driving, modeling forces into digital

ardware sensors monitor 4.4.2.2 (June 2008) (Shareware, trial period is two weeks) The most universal hardware monitoring program for Windows 9X/ME/NT/2000/XP/2003/VISTA x86/x64 editions This program monitors and displays certain parameters (temperatures, voltages, fans RPM) taken from h/w sensor chips, installed on smart motherboards and/or graphics cards. Customizable alarms can be displayed. Professional license includes thermo control features (so-called "Software cooling"), nVidia/ATi graphics cards and HDD S.M.A.R.T. monitoring.

等精度频率计，用Xilinx FPGA和51单片机实现-Precision frequency meter, etc., using Xilinx FPGA and 51 MCU

DP_51PRO实验仪图形液晶显示实验。先在屏幕上的随机位置显示随机数字(0--9)， * 然后调用画直线函数以屏幕中心为中点画对称的直线，最后显示一个简单的窗口。-Experiment DP_51PRO graphics liquid crystal display experiment. First in a random location on the screen shows random number (0 9),* then calls the function to draw a straight line in the screen center line stipple symmetry, and finally shows a simple window.

利用单片机、HD7279、键盘，实现计时器、倒计时器。-The use of single-chip, HD7279, keyboard, realize the timer countdown device.

this is a sensorless fan motor control code .(it use the angle-ahead commutate tech.)

tl2543的AD程序仅供参考--KEIL51！-tl2543 the AD process is for reference only KEIL51!

modbus RTU 的AVR单片机C语言程序。 单片机mega16,编译器ICCAVR。-modbus RTU source code with atmel avr mcu,c styel,mcu is mega16,compliter use ICCAVR

JUPITER演示程序，uart串口通信-JUPITER demo, uart serial communication