This book is about the management of business processes. This is certainly not a new topic. Since the beginning of the Industrial Revolution, it has...
Program helping you to remember the route. It cab be route from conference room to coffee-room, it can be tourist trip, it can be pathway in labyrint...
3-phase Sensor-less Fan Motor DriverAM2355NThe AM2355N is a 3-phase sensor-less DC fan motor driver IC. It senses the BEMF (BackElectro-Motive Force) ...
利用AT89C52单片机作为控制器,产生脉冲宽度调制(PWM)波形以控制直流电机的转速,进而控制震动的速度和幅度,实现对人体某部位的按摩.利用直流电机芯片L298N驱动12V直流电机,实现电机的正转、反转和多级调速,并在LED上显示按摩器的档位和正/反转情况.设计的智能按摩器的具有制作成本低、使用方...
The literature of cryptography has a curious history. Secrecy, of course, has always played a central role, but until the First World War, important...
