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Design Spec

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Ian McCutcheon edited this page Dec 20, 2013 · 5 revisions

The PowerMinder will have these hardware elements under software control:

  • Three colors of LED. Red, Yellow, Green.
  • A light sensor (common light sensing resistor).
  • A Real Time Clock chip (aka the DS1302).
  • A momentary switch / button.

The target system / chip is the ATTin85 with 6 IO pins. The above 'just about' maxes out the options one has. Hence this is the base hardware to be supported. Also like a binary clock it is fun to require one to interpret the blinky lights :)

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