Find Home Detector

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.

Hardware:
LilyPad Arduino
GPS Micro-Mini
Compass Module with Tilt Compensation
7 x LEDs to indicate direction
Conductive thread
Fabric
Battery holder (4 x AAA)
Battery

Optional Hardware
 2 x Magnetic Snap or similar to attach the battery holder for easy removable
 4 x Magnetic Snap or buttons

Tools:
Needle
Soldering iron

Software
Arduino IDE

Software librarys:
TinyGPS by Mikal Hart
NewSoftSerial by Mikal Hart
Wire for I2C communication with the compass

Sketch
http://github.com/evilmachina/Find-home-detector

Start with the Lilipad and then the component closest GPS, compas and last the leds

TIP: Use glue to insulate and protect conductive thread knots.

Attach the Magnetic Snap to the bottom of the battery holder and to the fabric.

Attach the Magnetic Snap or buttons alongside the side of the cloth.

Download the sketch from http://github.com/evilmachina/Find-home-detector or use the attached pde file.
Update destinationLat and destinationLon to the location you want to find and upload it to your Lilypad.

Have fun!
/Marcus
http://www.slickstreamer.info/