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Author Topic: Arduino + GPS + LEDs = Find home detector  (Read 1994 times)
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Malmö, Sweden
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Hi,
The Find home detector is a device to show me the way home by indicating the direction with a light. It uses a LilyPad, GPS, compass and some LEDs. Using the GPS to get a position and then calculate the direction to the location of my home. The compass is then used to get my heading so it is possible to indicate the direction I should travel.

For information how to build one and code visit http://www.instructables.com/id/Find-home-detector/




Have fun!
/Macke
http://www.slickstreamer.info/
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Great idea!
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Well done,

"We are Borg, resistance is futile,...."
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Rob Tillaart

Nederlandse sectie - http://arduino.cc/forum/index.php/board,77.0.html -
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I love it, that's wonderful!

Would have made finding my hostel one night in Berlin a lot easier, that's for sure.

Plus seeing the look on people's faces as I walked by with that would have been wonderful smiley-grin
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That looks pretty cool. Maybe even add a "waypoint system", where you can push a button to set a waypoint and it can guide you through your previously set waypoints.
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this is an awesome project!  i can see many uses for the core of this. 
great work.
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quick question:

why is there a 50 unit gap?  is this to avoid flickering between two directions?

Code:
northOn = 3350 < directionToDestination || directionToDestination < 250;
  northeastOn = 200 < directionToDestination && directionToDestination < 700;
  eastOn = 650 < directionToDestination && directionToDestination < 1150;
  southeastOn = 1100 < directionToDestination && directionToDestination < 1900;
  southwestOn = 1700 < directionToDestination && directionToDestination < 2500;
  westOn = 2450 < directionToDestination && directionToDestination < 2950;
  northwestOn = 2900 < directionToDestination && directionToDestination < 3350;
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