Unit 3: Circuits

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This unit focuses on the design and analysis of physical systems. General principles are developed in terms of circuit theory and are applied to design a light sensor to enable the robot to seek and follow a moving source of light.

 Photograph of robot with a rotating head that tracks light.

Topics Kirchhoff’s voltage law (KVL), Kirchhoff’s current law (KCL), op-amps, Thevenin equivalents
Lab Exercises

Build robot “head”:

  • motor servo controller (rotating “neck”)
  • photo-transistor (robot “eyes”)
  • integrate to make a light tracking system
Theme design and analysis of physical systems

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