Here is an economical way to experiment with light, color, and optics. You get one Red LED light source, one Green LED light source, and one Blue LED. Aspencore network. ... 5mm Red x1, 5mm Green x1 , ...

If you own a Raspberry Pi 2 or later, there are only two LED lights to be concerned of, one green and one red. The position of the lights varies between models, however, each light is labeled ...

This FDA-cleared LED face mask reduces wrinkles and age spots in just three minutes, leaving skin visibly smoother and clearer. Featuring 100 red LED lights to support collagen production and ...

Scientists determined the effects of blue and red LED ratios on leaf shape, plant growth, and the accumulation of antioxidant phenolic compounds of a red leaf lettuce and a green leaf lettuce ...