[Newbies] Peripheral Tutorial?

[Overcomer Man]

Hi,

What tutorial is best for learning to work with peripherals?  For example, I
want to work with USB ports and eventually run a multiple axis robot with
sensors, actuators, and a webcam.  Maybe even do it using a wireless USB
device.  Where would I learn to work with things like that as well as
scanners and printers controlled by Squeak, Croquet, or Seaside?

Thanks much.

Kirk Fraser
Clatskanie, OR
USA
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