College student and Instructables user woody1189 writes:
I've been meaning to make something cool for my dorm room this coming semester and decided that some custom closet lights would look great. In this Instructable, I'll show you how to make some nice-looking LED lights that will turn on automatically using a hall effect sensor and a magnet.
AVR/Arduino powered dorm projects are just picking up speed for the fall semester. What's yours? Let us know in the comments.
Posted by Becky Stern |
Sep 3, 2009 08:00 AM
Arduino, Electronics, Instructables |
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Not that I am against a microprocessor on anything... but a magnet, reed switch and (if needed)a relay would have done the project just as well.
Use a reed switch like on a window sensor that is open when a magnetic field is present.
Unless, of course, I missed some tricky feature that was needed reading the insructable?
Maybe it is a deluxe dorm room with walk in closet.
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Your approach (not using a micro) was exactly what I did with a closet. The door opens, pulls a magnet away from a reed, engages a relay, turns on a 12V halogen light.
Has been working for years.
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At my house up north, there are lights in most of the closets that turn on when the door opens. There's just a pushbutton switch in the doorframe behind where the door opens. Then the door is closed, the button is pushed and the light is off. Open the door and the light turns on. Those have been there as long as I can remember.
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