uart1

利用PID算法控制PWM输出电压，实现串联型数控电源，通过键盘输入控制期望电压(PID algorithm to control the use of PWM output voltage to achieve tandem CNC power, through the keyboard input control voltage expectations)

与沉默的开关为iOS，精选ios编程学习源码，很好的参考资料。(And the silence of the switch is iOS, select learning IOS programming source code, a good reference.)

MPICH安装包，并行处理时的MPI在eclipse中的使用(MPICH installation package, the MPI parallel processing when used in eclipse)

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

J1939 protocol description

51单片机入门学习资料，适合初学者下载。(Getting Started 51 MCU learning materials, suitable for beginners to download.)

单片机HUFFMAN压缩算法的研究与实现，有在单片机上进行开发的同学可以下载看看！(Huffman compression algorithm Singlechip Research and Implementation, has carried out development in SCM students can download to see!)

NTC测温程序的查表方法--经典的二分法。(NTC thermistor temperature measurement program)

AT89S52键盘程序,这是一个变频器的键盘驱动程序，简单，可靠，芯片为51单片机(one simple progrem for 51,if you like ,you can use it freely.)

包含位置式PID算法、积分分离式PID，包括广义互相关函数GCC时延估计，真的是一个好程序。( It contains positional PID algorithm, integral separate PID, Including the generalized cross-correlation function GCC time delay estimation, Really is a good program.)