Using motion detectors and an Arduino you can trigger lights, fans, ... Here is the Arduino code for the Parallax sensor. int motion_1 = 2; int light_1 = 13; void setup() ...

When everything’s plugged in, this is how your Arduino, motion sensor, and power relay should look. Jeremy S. Cook. ... Use Ctrl+O to load the code onto the Arduino IDE.

If you've always wanted to try to build an Arduino project, this may be a great way to start. Matt Williamson built a tiny, Arduino-based motion sensor that will SMS you when something moves by ...

The Leap Motion controller is a rather impressive little sensor bar that is capable of generating a massive 3D point cloud and recognizing hands and fingers to allow for gesture control based compu… ...