2演示程序，单片机stc12c5a32ad晶体33MHz的一

一个C51的多个源代码，不错哦，有很多芯片的协议-A C51 multiple source code, yes Oh, have a lot of chip agreement

SD卡资料大全，在网上找了好久的，供大家开发SD卡查询。-SD card Sourcebook, the Internet looking for a long time, and for all to develop SD card queries.

用于开发菲利浦XA单片机的开发环境，同时含注册方式-XA for the development of the Philips MCU development environment, including the registration form

单片机控制水温的汇编程序，通过加热开关控制水温并显示温度！-SCM temperature control the compilation process, by heating water temperature control switches and display temperature!

这是一个AVR单片机的电子教程，对于初学AVR单片机的人来说是个比较不错的资料！-This is a single-chip electronic AVR tutorials for beginners who AVR MCU is a relatively good information!

AVR单片机下的mmc卡控制程序，包括系统SPI模式初始化，使卡进入SPI模式及检测等-AVR cards under the VAT control procedures, including the systematic SPI mode initialization, access cards and SPI mode detection

RS-485接口具有较强的抗干扰性，数据传输的距离较远，在一些应用中常常需要把RS-232标准的信号转换为RS-485的标准信号进传输。图中所示电路允许数据在RS-232/RS-485这两个不兼容的串行数据接口间传递。传输速度为480波特时，传输距离可达1750米。图中双RS-232收发器IC1将主机(PC)输出的RS-232电平转换为TTL电平，驱动高速RS-485收发器IC2 的输入，倒相器使IC2、IC3在受到起始位时被激活。-RS-485 trying to lay all the thoroughly bleed at the nose picking up the birthday 扰 fern cavity 强 ， Chu Huai basin cavity beat escapement for the birthday candle远Now ， Which instance, using Beckmannia中

用8051实现的PS2协议的PC键盘，有详细注释-8051 with the realization of the agreement PS2 PC keyboard, a detailed Notes

用WAVE6000开发环境写的电子钟程序-WAVE6000 development environment used to write procedures for electronic bell

C8051F020+RA8835 I/O口控制 中英文混合显示-C8051F020+ RA8835 I/O port control of mixed Chinese and English display