Their sensor uses a four-lead RGB ... light bouncing back from an object as an Arduino drives the LED through all possible colors with PWM signals. The sensor needs to be white balanced before use ...

At over 6.5-feet long and extendable up to 32 ft, Elgato's light strip offers 2,000 lumens of light in full RGB and white ... LED lights can also be cut to fit your home perfectly. Use the ...