详细介绍51单片机操作系统，包括keilc编译环境的库函数以及其功能，还有如何调用这些函数。...

电子密码锁程序，两键输入，其中一个键累加，另一个键确认。密码正确锁打开（开锁指示灯亮）；密码错误锁关闭（关锁指示灯亮）；连续错三次则锁定键盘8秒并发出报警声。-Electronic code lock procedure, the two key input, one key additive, and the other button to confirm. The correct password to open lock (unlock indicator light) password error lock closure (Kuan-lock indicator light) consecutive wrong then lock the keyboard three times and issued eight seconds alarm sound.

modbus RTU 的C51源程序,单片机89S52,编译器keilC7.06-modbus RTU source code with c51,mcu atmel89s52,complite use keilC7.06

ht1621液晶驱动的测试程序，汇编语言编写-HT1621 LCD driver test procedures, assembly language preparation

Atmel算法(pid)-步进电机驱动源码 ,不好用你找我,绝对ok! -Atmel algorithm (pid)- stepper motor driver source code, not with you to find me, is absolutely ok!

基于tw2835的的相关源代码程序，由一款51单片机来控制-Tw2835-based source code of the relevant procedures, by a single-chip microcomputer 51 to control the

一个LCD驱动程序，是用C语言写的，内含头文件和主程序-An LCD driver, is written in C language, contains header files and the main program

PIC18xx单片机源代码 中断应用里程-PIC18xx SCM application source code interrupted mileage

PCF8563T串行时钟芯片的驱动程序，需要I2C总线的接口函数。-PCF8563T serial clock chip-driven process that requires I2C bus interface functions.

使用的同步串行三线SPI 接口，可以方便的连接采用SPI 通信协议的外围或另一片AVR 单片机，实现在 短距离内的高速同步通信。ATmega128 的SPI 采用硬件方式实现面向字节的全双工3 线同步通信，支持主 机、从机和2 种不同极性的SPI 时序，通信速率有7 种选择，主机方式的最高速率为1/2 系统时钟，从机方式 最高速率为1/4 系统时钟。-Use three-wire SPI synchronous serial interface, can be used to facilitate the connection of the external SPI communication protocol or another chip AVR microcontroller, realize in the short distance high-speed synchronous communication. ATmega128

点焊机控制器C51源码+SCH & DDB-spot welding machine controller C51 source SCH DDB