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Yeah, you love your dog, but is he or she really pulling his or her weight? A new project from Adafruit brings an on-board computer to your roaming canine, tracking the distance to your and your pup's goal with a progress bar. The project is pretty simple, and Adafruit offers up most of the supplies, including the GPS and Atmega32u4 breakout boards -- though you'll have to procure your own fabric to make the big flower and some black nail polish to blot out the bright LEDs. The functionality isn't quite as advanced as, say, products from Garmin -- nor is it going to fill up your Twitter stream, but the collar does have the potential to track your mutt's walks around the neighborhood with a few tweaks.