DS18B20 and ds1320 in 51 procedures, but the temperature acquisition and realize...

用单片机控制74LS244做的串口通信系统。-74LS244 done with single-chip microcomputer to control the serial communication system.

sd卡mp3官方pcb文件，protel格式-sd card mp3 official pcb file, protel format

Microchip Technology Inc. 的HCS300 是一款跳码编码 器，它是专为安防遥控无钥门禁（RKE）系统而设计 的。 HCS300使用KEELOQ跳码技术，并具有安全性高、 封装尺寸小和成本低等特性。 HCS300 是单向遥控无钥 门禁系统和访问控制系统最完美的解决方案。-The HCS300 from Microchip Technology Inc. is a code hopping encoder designed for secure Remote Keyless Entry (RKE) systems. The HCS300 utilizes the KEELOQ code hopping technology, incorporating high security, a small package outline and low cost. The HCS300 is a perfect solution for unidirectional remote keyless entry systems and access control systems.via any external connection. The EEPROM data is pro-grammable but read-protected. 2006 Microchip Technology Inc.

一个用C51编写的倒计时程序，可通过PC传送起始时间，也可回传当前时间。比较简单-C51 with a countdown of the preparation process, through PCs starting time, but also back- the present time. Relatively simple

银行磁卡系统的ABA2通信协议的C51实现代码-Bank card system ABA2 communication protocol to achieve the code C51

CF8051F040开发板的 Delay程序-Delay of CF8051F040 development board procedures

基于ucos的网络液晶开发程序，包含了flash的扩展！-CENTER network based on LCD development process, including the expansion of the flash!

本程序用于ATmega8不小心写错熔丝，而无法进行ISP下载时进行出厂设置恢复。接线请参考AVR单片机并行编程。-This procedure for ATmega8 fuse careless wrong, and can not be downloaded when ISP to restore the factory settings. Please refer to AVR single-chip wiring parallel programming.

16路RGB_LED象素灯变色函数(AVR)代码-16 RGB_LED pixel light discoloration function (AVR) code

128×64点阵图形液晶显示程序，可实现图片的滚屏显示，淡入淡出，百叶窗显示等显示效果-128 x 64 dot matrix graphics LCD, which enables the images of large, fades out, blinds display shows results