66PP22A SCM DTMF decoder procedures for communications DTMF decoder soft approac...

这是一个简单的pid控制程序，用的是增量式pid控制，在智能车上使用的。-This is a simple pid control procedures, using the incremental pid control, used in the smart car.

一个可调小时分钟的数字钟系统，先是在液晶屏上，显示开始为00：00：

采用AT89C51单片机进行编写，步进电机端口:P1.0,P1.1,P1.2,P1.3,遥控器接口p3.2喇叭p3.7-AT89C51 single-chip microcomputer used for the preparation, stepping motor port: P1.0, P1.1, P1.2, P1.3, remote control interface P3.2 Speaker p3.7

全量程交直流无档电压表的设计 这里只给出了系统设计的方案 带有程序流程图-Wide-range AC-DC voltage meter free stall design here only gives the system design program with a program flow chart

24c04读写程序，同时控制p10口的打开和关闭-24c04 read and write procedures for control of p10 at the same time the mouth opened and closed

C51单片机电表程序下载测试程序,用于电表的内部程序下载-C51 microcontroller meter download test procedures for the internal procedures meter Download

zlg7290的一个开发源文件，用于单片机与数码管之间的驱动-zlg7290 development of a source file for the single-chip digital control and drive between the

用中断实现的一个四*四的键盘程序。在Keil C下开发的。程序通过。-Interrupted by the realization of a four* Four keyboard procedures. In the Keil C developed. Procedure.

用keil c语言介绍8051单片机开发一本书 很不容易才找到的啊！-language used Keil 8051 development on a book not easy to find the ah!

《单片机原理与实用技术》第1章-"SCM principles and practical technology," Chapter 1