7. Draw a grid on your sweater. You can use any knit sweater, but light-colored ones work best, as the LED light will bounce around more.

The system takes continual screenshots and averages the pixel colors before sending the data to the Arduino over USB.As with the audio ambient lighting, using pulse-width modulating each channel, the ...

Similarly, one BS170 mosfet was used in my prototype to drive the 3 x White LEDs strip. This part number (and ofcourse the LED type) is not very critical. If you want to use a bi-polar transistor, don ...

DIY Arduino Ambilight Using Shiftbrites | Don's Projects You can reach Alan Henry, the author of this post, at alan@lifehacker.com, or better yet, follow him on Twitter or Google+.

Using motion detectors and an Arduino you can trigger lights, fans, or even an pneumatically controlled cleaver-wielding clown to help add your house to the “if you dare” list.