控制小车用PWM方式来控制小车的转速，小车的步进电机需要用直流电机控制，因为单片机产生的电流小，需要驱动...

C8051F020的头文件，主要是本单片机的硬件地址指向等。-C8051F020 the first document, is the MCU hardware addresses at the other.

51系列单片机实验课程：按键显示程序 （在数字键上按数字，在液晶显示器上显示）-51 Series single-chip experimental curriculum: key display program (in the figure by the number keys on the LCD display)

AT89C51的有关语音芯片-isd4004的驱动程序-AT89C51 voice chip on the driver-isd4004

51单片机收发短信的程序，W77e58单片机外括16kram就行-51 SCM SMS procedures, including W77e58 SCM 16kram on foreign firms

以keil为开发平台,开发的用于小车寻线,避障的C语言程序.-Keil a development platform for the development of searching for the car line, the C-obstacle avoidance procedures.

16C554的应用实例之一，从论文中摘取-16C554 application of one of removal from the paper

ICCAVR下的红外解码程序，包括全部源码，还有原理图和PCB图，以及主要芯片资料-Under the infrared ICCAVR decoding procedures, including all source code, as well as PCB schematics and maps, as well as major chipset information

用C语言写的CCD摄像头数据采集源代码，适用于飞思卡尔单片机MC9SDG128B，使用智能车比赛专用软件CodeWarrior编写，给需要的人。-Writing C language with the CCD camera data acquisition source code, applies to single-chip Freescale MC9SDG128B, the use of smart cars match CodeWarrior special software prepared for the needs of people.

STC12C5A60S2 具备一般51单片机不可企及的高性能，有片内ADDA，速度是一般51的8倍！-STC12C5A60S2 high speed,low price, with ADDA in chip!