I have a love/hate relationship with USB. I love it because it is convenient and user friendly. I hate it because understanding the underlying processes of USB can be difficult. Think about this. You don’t have to know the down and dirty details of how a PIC ALU (Arithmetic Logic Unit) works to employ a PIC in a microcontroller-based application. So, why should we have to know so much about USB to put it to work for us?
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