8051单片机上4*4矩阵键盘的扫描方式2

51单片机,精确延时小函数.提供500ms,200ms,10ms,1s的精确延时,直接调用即可.-51 microcontroller, small precision delay function. For 500ms, 200ms, 10ms, the precise 1s delay, can be called directly.

在keil C51下的fm24c04a的c程序-in the process of c fm24c04a

rtx51操作系统说明-rtx51 OS

一个很好用的密码锁程序，MCU用的是EM78P447，经试用非常可靠，提供给想学习EMC的用户使用，如有需要原理图的请发邮件到micheal23@sohu.com,注：需注明LOCK原理图-good with a password lock procedures, the MCU is EM78P447, tested very reliable, available to want to learn EMC users, if necessary schematic please send mail to micheal23@sohu.com, Note : LOCK be annotated diagram

本文给出了一种以80C31为主控CPU的固定电话短信息终端的设计，从系统软硬件两个方面说明了固定电话短信息终端的设计方法和各个部分的工作原理 -This paper proposes a 80C31 CPU for controlling the fixed telephone short message terminal design, system software and hardware from the two showed that the fixed telephone short message terminal design methods and various parts of the work principle

使用dsPIC33FJ256GP710的增强型CAN通讯，即ECAN的使用。-DsPIC33FJ256GP710 enhanced the use of CAN communication, that is, the use of ECAN.

AVR下载软件 ，技持M8 ，M16 ，M32，M64-AVR DOWNLOAD

单片机课程设计指导－－源程序 89C52单片机+GSM模块-Singlechip curriculum design guidance- source 89C52 Singlechip+ GSM module

平凡51单片机教程，写得不错，适合初学者-Extraordinary 51 Singlechip Guide, written well, suitable for beginners