You know how to whistle don’t you? You just put your lips together and blow. But do you know how to make the electronics around you react to your whistled commands? Well [Befi] figured out a system ...

[Dmitry Grinberg] has to walk all the way across his bedroom to switch the lamp on and off. The drudgery of this finally became too much, so he built a remote control and added dimming for good ...

Autonomously guided robot that follows a line drawn on the ground to either detect a dark line on a white surface or a white line on a dark surface. Self-Correction to stay on track. No need of Human ...