DES/3DES算法的C语言实现，我对代码进行优化。只需要几十个字节的内存就可以。很适合用于单片机等下位机使用。...

步进电机的工作原理，实现正转及逆转的方法-The working principle of stepper motor to achieve positive change and reversal of the method

单片机A51开发的打印机出动程序-SCM A51 development printers deployed procedures

ia4421 芯片用于实现800米无线通讯-IA4421 IS WERALESS CHIP

该程序可用于遥控器制作参考或者其他红外控制的项目,单片机采用的是PIC系列的-the procedure can be used for remote reference to the production or other infrared control of the project, the 8031 PIC is the series of

从51单片机控制液晶显示并且集成继电器控制，键盘扫描等模块！-From 51 single-chip control of liquid crystal display and integrated relay control module scans the keyboard!

使用W77e58读写PCF8563时钟芯片，包含所有的子函数，均可以直接使用。-Use W77e58 literacy PCF8563 clock chip that contains all of the subroutine, can be used directly.

PIC18F458的AD采集源程序，经过测试完全可用-PIC18F458 source collection of AD, has been tested fully available

读韦根26程序,将韦根26代码读取到单片机进行显示和处理-read wiegand program

mega32＋N298电机控制芯片, 通过控制电机的IN1和IN2改变方向, pwm控制速度。 IN1和IN2不同时，电机转动 IN1和IN2相同时，电机急停。 -mega32+ N298 motor control chip, by controlling the motor IN1 and IN2 to change direction, pwm control speed. IN1 and IN2 are not the same time, motor rotation IN1 and IN2 are the same, the electrical emergency stop.

此源码是采用CS5460A＋W78E58的多功能交流数字仪表的代码，有功率表、电压表、电流表、功率因数表和相位角表功能。-this source is used CS5460A+ W78E58 exchange digital multifunction instrument code, a power meter, voltmeter, ammeter, power factor and phase angle Table Table functions.