SCADA (supervisory control and data acquisition) generally refers to industrial control systems (ICS): computer systems that monitor and control industrial, infrastructure, or facility-based processes, as described below: Industrial processes i

定时打铃程序，在配置文件里改改需要打铃的时间，为了减小体积，把音乐删掉了，自己可以根据源码建立文件夹和对应的mp3音乐。本程序在我校已运行了4年，表现良好。-Bell device that can control the amplifier s power. Changes in the configuration file need to hit the bell time. In order to reduce the file size, MUSIC folder in the musi

PWM is used in all sorts of power control and converter circuits. Some common examples include motor control, DC-DC converters, DC-AC inverters and lamp dimmers. There are numerous PWM controllers available that make the use and application of PWM qu