Smart attic fan

fan

[Andrew] lives in Hawaii where the climate usually doesn’t necessitate heating and cooling systems. Usually, some open windows and doors will cool the house down enough. This relies on the breeze though, and that isn’t always there. [Andrew] came up with the solution of automating an attic fan to circulate air depending on outside temperature. Sure, he could have just installed a fan with a switch, but he wanted it to do all the work itself. He used a PIC16F877 as the brains and made the pretty control panel shown above.

Comments

  1. kyle007 says:

    I wish they’d post more pictures in the actual installation of the exhaust fan..

    I’m sooooo prooo home automation! :D

  2. dark_ alex says:

    ‘ve decided to not cease oe development, and return to the old times.

  3. andrew says:

    I like how clean it looks, very nice job.

  4. n8 says:

    Why not just use a thermostat which is also available at Lowes?
    http://www.grainger.com/Grainger/items/4PU48

  5. n8 says:

    cr*p, that’s a heating thermostat.

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