A low-power Arduino car counter that works by logging each time a car drives over a rubber tube across the road.

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.

There are a lot of Arduino-based metal detectors using various technologies. This is one of them that uses direct frequency measurement.

Speedometer that uses a GPS for speed sensing and an RGB LED to indicate speed to the user. Also features a blinking white light.

Move your hand around - lights ON. Move hands over that again - lights OFF. Cool, right?

A pair of talking smart glass, intended to help the visually impaired.