New prices: Two LED masks are on sale right now: the Cleopatra LED Mask is 56 percent off and the Solawave 4-in-1 Advanced Skincare Wand is 35 percent off in the blue-pink ombre color on Amazon ...

The 3-Color LED Module project demonstrates how to control an RGB LED using an Arduino Mega. RGB LEDs can emit a wide range of colors by combining different intensities of red, green, and blue light.

In this work, aminopropylmethylpolysiloxane (AMS) functionalized luminescent carbon dots (AMS-CDs) were prepared via a one-step solvothermal method. AMS-CDs could be self- or co-cross-linking with AMS ...