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安卓串口助手　SerialDemo是一个安卓串口调试工具，可以调试安卓的串口通信(Android serial port assistant SerialDemo is a Android serial debugging tool that can debug the serial port communication of Android)

运用New-Rapshon方法计算线接触常温弹流润滑程序，并绘制出压力和膜厚曲线图(Calculated using New-Rapshon EHL line contact process at room temperature, and draw out the pressure and film thickness curve)

Rainbow加密算法的Crack程序，支持字典攻击。(Rainbow Crack Encryption Algorithm procedures, support dictionary attacks.)

Demo on MVC architecture

说明：  西门子plc型号S7-1200的opc连接的文件(OPC communication test connection)

说明：  使用python，对疫情数据进行数据分析(Analyze the epidemic data)

单片机入门的书，很适合 初学者，U1=89C51 U2=555 U3=MAX232 U4=24C01 U6＝X25045看门狗 X1=共阳数码管 -Singlechip book entry, it is suitable for beginners, U1 = 89C51U2 = 555U3 = MAX232U4 = 24C01U6 = X25045 watchdog X1 = total yang digital tube

对给出的一个代数系统〈G，*〉，其中G={1，2，…,n}，*运算由运算表矩阵给出，要判断： 〈G，*〉是否为半群； 〈G，*〉是否含有幺元； -Pairs of a given algebra system , where G = (1,2, ..., n),* operator matrix is given by the operation table, it is necessary to determine

各种JTAG：包括ALTERA、ARM、AVR、LATTICE、S52、XILINX。-various JTAG include : Altera, ARM, AVR, LATTICE, S52, XILINX.

Description Calculate a+b Input Two integer a,b (0