Parking cars in garages can always be a challenge when you're in a hurry, or your new car or garage is just a bit too tight. Instead of resorting to the tennis ball and fishing line, Instructables user "Aptpupil" created a device based around an Arduino circuit and an ultrasonic distance sensor. It measures the distance between the vehicle and the wall, and uses a range of LEDs to display the progress to the driver from the garage wall.
Apart from helping avoid a small accident, it's a fun project that's inexpensive and easy to make. And for more, we're on twitter and Google+, so follow us for news and product updates as well.
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