本要求适用于Microcon

电动读卡器IC卡SI4442读写模块源代码-Reader IC card SI4442 R/W Module source code

EM4001,EM4100等系列只读ID卡读取程序源码-EM4001, EM4100 series of CD-ID card reader FOSS

avr,单片机开发资料，usb1。1接口资料-avr, microcontroller development information, usb1. A data interface

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

本文详细介绍了4×4矩阵式键盘识别技术，内含详细的电路图和C51源代码。-This paper describes a 4 × 4 matrix keyboard recognition technology, and contains detailed schematics and source code C51.

使用CYAN单片机的ECOG1开发板连接SIM300C的GSM模块开发的短信收发程序.供UART和AT指令编程者参考-using CYAN,sim300c, to send and receive SMS.

avr的isp下载程序例程，供大家参考，希望对大家有帮助-avr routine of isp download for your reference, we would like to help

这个代码是用8989C51和12887开发的。-This code is 12887 8989C51 and development.

基于PIC单片机877的电动自行车控制器的开发原理及源程序。-PIC-based single-chip controller 877 of the electric bicycle and the development of the principle source.

AD7705的驱动程序，采用C51开发。-AD7705 driver development using C51.