Wednesday, February 1, 2012

Arduino class notes, class 3

Varieties of I/O devices

Pull-up Resistors


  • circ-07 buttons.
  • circ-11 relays.
  • circ-05 shift register, multiple LEDs.

Bidirectional Motor Control with Relays
  • one pair of relays (3,4) control motion
  • one pair of relays (1,2) control direction
  • smarts courtesy of JWZ

Interfacing to Computer

  • coming up next week

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