利用单片机c8051f020由于端口功能很多，需要对端口进行配置。...

89s52+8255a控制一组指示灯循环发光-89s52+8255 a control cycle of a group of light emitting

用单片机产生Pwm来控制电机的硬件和软件设计，附录为源代码！-MCU Pwm to produce motor control hardware and software design, appendix to the source code!

这是一本电子书。你可以学习C语言并参考这本电子书。

EEPROM读写程序: 先向EEPROM写入一幅图片数据，然后从EEPROM中读取，并在128*64显示屏显示出来。-EEPROM read and write procedures: first EEPROM write a piece of picture data, and then read from EEPROM, and 128* 64 screen is displayed.

一个75HZ铃流实时检测程序，灵敏度很高，可以用于电话来电铃流检测。-a 75HZ bell flow real-time detection procedures, high sensitivity, can be used for phone calls Chu flow detection.

自己动手，进入单片机的大门-yourself into the door MCU

功能：实现对DS18B20的读取 原理：单总线协议 注意：单总线协议对延时要求比较严格，此程序中采用的是11.0592M的晶振，如果使用其他的晶振请跟据DS18B20的资料修改延时参数-functions : to achieve DS18B20 read Principle : single-bus protocol attention : single-bus protocol to delay requirements more stringent, this procedure is used in the crystal 11.0592M if the use of other crystal please According to the information DS18B20 delay parameter changes

本文件提供了关于ATMEGA16A的SPI的硬件结构及其使用代码，同时，本文件也适用与ATMEGA16及ATMEGA16L-This document provides information on the SPI hardware ATMEGA16A structure and the use of code, at the same time, this document also applies with ATMEGA16 and ATMEGA16L

一个基于mc9s12dg128b，时间捕捉器的示例代码-Based on mc9s12dg128b, time catcher of the sample code

ds18b20 温度传感器 硬件设计和软件编程 供大家学习只用 能力有限 大家共同探讨-DS18B20 temperature sensor hardware design and software programming for your learning only limited ability to explore all