USB Driver Programming (1)

There are many advantages to connecting hardware via the Universal Serial Bus (USB), but there are also many obstacles to be overcome. In this series of articles, we provide you with a map to help you find your way along the stony path of developing USB applications.DIY hardware for the PC is usually connected to the serial RS232 interface. After several decades of use, this interface is very well documented and easy to use. Of course, it also has certain disadvantages One of these is that you can only connect a device to it before booting the PC, and another is that powering an attached circuit from the serial interface is awkward (and only a small amount of power can be drawn this way).