89C2051 generated by PWM signal to control DC motor speed control

用51单片机内部定时器实现数字钟功能，可以显示小时，分，秒，误差很小。-51 single-chip microcomputer with internal timer digital clock function, can display hours, minutes and seconds, the error small.

Ti 公司低功耗RF芯片选型资料.其中有13.56-27MHz,300-1000MHz ,2.4GHz等等芯片选型参考-Ti low-power RF chip companies Selection information. Among them, 13.56-27MHz ,300-1000MHz, 2.4GHz chip, etc. Selection of reference

红外遥控解码数码管显示 直接将烧写进单片机芯片即可 -Infrared remote control decoding digital display single-chip directly into the chip can be burned

51单片机系统和AVR的M16单片机，和简单的外围电路。-51 of the M16 microcontroller system and AVR microcontroller, and a simple peripheral circuits.

CAN控制器的C源码-CAN controller C source

str710X系列32位ARM外部闪存的接口例子，闪存为Nand型Flash。-str710X series of 32-bit ARM external memory interface example, Nand-type flash memory for the Flash.

关于9s12单片机的课件 重点是编程语言和环境-on 9s12 SCM courseware focused on programming language and environment

12864液晶驱动程序。学习单片机很好的程序。-12864 LCD driver. MCU learning a good program.

315M无线遥控解码程序,最大的问题就是距离，现在只能在100m左右。-315M wireless remote control decoding procedure, the biggest problem is the distance, now only about 100m.

一种比较好用得PWM控制芯片，希望对您有所帮助。-Was a relatively easy to use PWM control chip, want to help you.