USB hubs, how do they work? Answered
So I was looking on Instructables at diy USB hubs and noticed they all have one thing in common. They all start with a premade USB hub, in modify the case. Why is that? I doing know how USB hubs work and I was wondering if someone could shine some light on the topic. For charging things via USB, I know they can simply be hooked up in paralleland still charge, slower, but still charge. Let's say I wanted to put multiple flash drives on one USB port in my computer. I know that with pre-built hubs this is possible, but I don't know how to do it without buying something. If I wanted to put, say two flash drives, on one USB port, could I simply hook them up in parallel? Series? Or would I need a special circuit? If a circuit is needed, what circuit? Any help would be greatly appreciated.