YouTuber DuctTape Mechanic has published a new tutorial on how you can create your very own Arduino-powered speed bag to count your punches as you work out. This innovative project uses a recessed NPN ...

Maker and developer Rolf Hut has created an awesome Arduino powered longboard which is equipped with LEDs that react to the speed of the rider and board. Hut has used 4 x magnets and a Hall effect ...