两个7段共阳LCD显示器，可以调整倒计时时间

430 开发板原理图，实用简单适合初学者，适用于多种型号430-430 development board schematics, a simple utility for beginners, is fit for various models of 430

sja1000与51单片机的功能实现源代码-sja1000 MCU with 51 of the realization of the function source code

Proteus仿真实例，在Proteus下仿真LCD,可以使用，郑重推荐！-Proteus simulation example, in the Proteus simulation under the LCD, you can use, solemnly recommended!

usb_slaver_ch375_c51编程-usb_slaver_ch375_c51

一位共阴数码管的显示，用的是S51单片机，已通过调试-A total of Yin digital tube display, using a S51 MCU has passed the commissioning

AVR串行通信的异步传输模式USART，通过RS232与计算机或者单片机进行串行通信。-AVR serial communication ATM USART, through computer-or single-chip RS232 serial communication.

ISD1700技术及常见问题解答，ISD1700资料-ISD1700 technical and frequently asked questions, ISD1700 data

单片机上智能拼音输入法,附有控制和杳询函数.方便使用调用.可以自加LCD实现可视化键盘输入!供大家参考!-microcontroller smart Pinyin input method, with the control and with the enhancement of function. To facilitate the use of call. Since the LCD can be added to achieve visual keyboard! For your reference!

根据液晶显示模块基本原理及其技术特性，与单片机的进行接口的具体电路，本文提供了HD44780的调试程序代码．-According to the basic principles of liquid crystal display module and its technical characteristics, and MCU interface to the specific circuit, this article provides a HD44780 debugging program code.