Speedometer that uses a GPS for speed sensing and an RGB LED to indicate speed to the user. Also features a blinking white light.
Project tutorial by Jeremy Cook
A low-power Arduino car counter that works by logging each time a car drives over a rubber tube across the road.
Project tutorial by Aetos999
A pair of talking smart glass, intended to help the visually impaired.
Project tutorial by Amal Shajan
Sunglasses that serve an even more useful purpose than protecting the eyes of the blind. They can help them detect objects in front of them.
Project tutorial by GardnerTech
Move your hand around - lights ON. Move hands over that again - lights OFF. Cool, right?
Project tutorial by ashraf_minhaj
There are a lot of Arduino-based metal detectors using various technologies. This is one of them that uses direct frequency measurement.
Project tutorial by Andrius Purr
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