利用实验仪上的D/A变换电路，输出-8V至+8V电压，控制直流电机。改变输出电压值，改变电机转速。用8051的定时器0生成单位时间，由定时器/计数器1对单位时间内的脉冲计数，计算电机转速。参考数码管实验，将电机的实际转速在数码管上显示出来。-Experimental apparatus on the D/A converter output voltage of-8V to+8 V, control DC motor. Change the output voltage to change th

(繁体中文版)台湾出品不得多得的关于spa dpa 旁道攻击rsa算法的精彩论文。相对国内的一些翻译性质的、粗制滥造的论文，简直是一个天上一个地下。-As information technology has developed rapidly, it provides more convenient life for people. As the result, the security has become the main concern. Recently, user id and pa

8051与PC机间通讯软的程序，里面好程序比较全-8051 and PC-communication soft procedures, well inside the whole procedure

Robosapien_IR.zip contains source files, PCB + Schematic and IR codes specification. The design is based on 8051 core mcu (I use P89C668 in my build), only minor modification needed with other brands of mcu. The board receive command code from serial