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 ...

This part number (and ofcourse the LED type) is not very critical. If you want to use a bi-polar transistor, don’t forget to add a resistor (~1KΩ ) between Arduino D10 and the base terminal of the ...

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.

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.