8051单片机矩阵键盘扫描程序（包括键盘的消抖和数码管的显示）...

12232液晶屏->正文 [电子信息]:12232液晶屏 产品名称: 12232液晶屏 电话:86-755-...12232点阵,外型尺寸66*29mm,STN黄绿模-12,232 LCD-

在MSP430单片机上用C操作MMC和SD卡的电路和参考代码。含PDF文档。-MSP430 single chip microcomputer used in the C operator MMC and SD cards circuit and reference code. Containing PDF documents.

I2C总线程序，及读写24C04-I2C bus procedures, and writing 24C04

51单片机快速学习~~~很有用的哦-51 Single-chip Fast Learning ~ ~ ~ Oh, very useful

这是在SL811上实现的对U盘进行FAT32或FAT16读写的程序，用于51单片机-This is achieved in the SL811 to the U to FAT32 or FAT16 disk to read and write procedures for the 51 single-chip microcomputer

模拟高频头的 驱动程序（搜台、换台等功能）-Simulation of high-frequency driver first (found Taiwan, for Taiwan, and other functions)

AT45D041大容量IC卡 读写程序,不知现在还有没人用，以前我用过的一颗芯片。-AT45D041 large-capacity IC card reading and writing process, I wonder if there is no one now, and I used a single chip.

简易电子钟的设计 源程序-simple electronic clock design source

这个包中提供了一些有实际应用价值的子程序供参考选用 SUB1----X25045/43 看门狗/存储器与 89C2051接口子程序 源程序/原理图(21K)X25045.EXE SUB2----AT24C02/04/08/16 串行存储器与 89C2051接口子程序 源程序/原理图(22K) AT24C02.EXE SUB3----红外遥控器(熊猫M50462/C54L2)与 89C2051接口子程序 源程序/原理图(21K) M50462.EXE SUB4----DS1302/HT1302 实时时钟与 89C2051接口子程序 源程序/原理图(20K) DS1302.EXE SUB6----AT89C2051与上位机RS232通讯接口子程序 源程序/原理图(25K) RS232.EXE SUB7----VB5.0 与AT89C2051通讯接口子程序 源程序/原理图(22K) VB5.EXE SUB8----单片机间RS485多机通讯子程序 源程序/原理图(24K) RS485.EXE -this package provides a number of practical value to the subroutine for reference use SUB1----X25045/43 watchdog/memory interface with the 89C2051 subroutine source/schematics (21K) X25045.EXE SUB2----AT24C02/04/08/16 serial memory interface with the 89C2051 subroutine source/schematics (22-karat) AT24C02.EXE SUB3-infrared remote control (Panda M50462/C54L2) and 89C2051 Interface subroutine source/schematics (21K) M50462.EXE SUB4---- DS1302/HT1302 real-time clock and 89C2051 Inter

1.利用PWM控制占空比实现LED的亮暗。 2.可以用UP DOWM键进行控制亮暗。 -1. The use of PWM duty cycle control to achieve the bright LED dark. 2. Can be used to control button UP DOWM bright dark.