HT1621 driver, is a complete driver, very easy to use

步进电机程序，用l297 l298作为驱动电路的，程序比较简单，但是能对mcs-51中断有个详细认识-Stepper motor program l297 l298 as a driving circuit, the procedure is relatively simple, but can be interrupted for mcs-51 has a detailed understanding of

挪威公司的NRFXXX系列产品,本代码里详述了NRFXXX是怎么样与单片机通讯的,代码易懂!--NRFXXX series products. It explains in details how NRFXXX communicates with SCM. The code is easy to understand.

mega16的中断4*4键盘扫描，及数码管显示程序。-mega16 interrupt 4* 4 keyboard scanning, and digital control display program.

短信息相关单片机GSM短消息控件-short information related SCM GSM Short Message Control

串口发送一个字符，希望对刚开始学单片机的同学有帮助-Serial port to send a character, want to have just started to learn microcontroller help students

头件的中的#ifndef，这是一个很关键的东西。比如你有两个C文件，这两个C文件都include了同一个头文件。而编译时，这两个C文件要一同编译成一个可运行文件，于是问题来了-The first pieces of# Ifndef, this is a very key things. For example, you have two C file, the two C files include the same file size. And compile-time, the two C files to compile together into a run file, then issue the

AVR系列单片机AD转换程序，适用于atmega8,atmega16,atmega128.-AVR microcontroller series AD converter applies to atmega8, atmega16. atmega128.

一个C语言编写的单片机并口数据发送代码-an bunch of computer parallel port data transfer code programmed with C

利用ps2键盘向单片机输入数据，这样做不仅可以减少输入输出口，而且程序代码短小精悍，可以极大的提高单片机的执行效率．-Ps2 keyboard to use single-chip input data, to do so not only can reduce the input and output port, and program code dapper, you can greatly improve efficiency in the implementation of SCM.

motorbike alarm and theft control