4*4键盘扫描 参数以定义 直接使用

PC机和智能型仪表通过RS485进行异步通信-PC and intelligent instrument for asynchronous communication through the RS485

591单片机CAN模块A51DEMO程序-591 SCM CAN module A51DEMO procedures

SD Flash file system for AVR

Keil C51使用详解,WORD格式,教你学习Keil C51-Keil C51 use Xiangjie, WORD format, to teach you to learn Keil C51

在80C51上用汇编语言实现的数字钟程序，具有闹铃、秒表和设置时间等动能。-80C51 used in assembly language procedures for the realization of the digital clock with alarm, stopwatch and time settings, such as kinetic energy.

完全用C语言编写的C51单片机多任务操作系统,任务调度基于主动放弃,特别适合STC单片机.-Entirely in C language C51 single-chip multi-tasking operating systems, task scheduling based on the initiative in giving up, and are particularly suited Singlechip STC.

MPLAB Simulators 高级仿真教程。-MPLAB Simulators advanced simulation tutorial.

KeilC开发,51通过8255对外部4*4键盘进行控制.按键分别为0-9以及上下左右,加上确认取消.-KeilC development through 8255 to 51 4* 4 external keyboard control. Keys were 0-9 and above and below, coupled with canceled.

LCD1602液晶程序，该程序包含1602的基本驱动程序，包含写命令函数和读命令函数等-LCD1602 LCD program that contains the basic drivers for 1602, including the write command function and read command function, etc.

用单片机读写图像显示芯片SAA7114H的程序，并且可以接受红灯信号以及线圈信号的程序-literacy MCU Image Display Chip SAA7114H procedures, and the red light signal can accept and process signals in the coil