Red spots on the skin can appear for a variety of reasons, ranging from harmless to potentially serious conditions. They can be caused by simple irritants like dermatitis, infections such as ringworm, ...

Red dot sights have become very popular on rifles, pistols, and shotguns. But red dot sights have not been around all that long. In 1974, Aimpoint introduced the first red dot sight and their ...

Made from petroleum, red dye 40 is a synthetic food dye. Some studies suggest a link between red dye 40 and ADHD behavior; the dye might trigger or exacerbate behavioral changes in sensitive children.

The PCA9685 is an I2C-bus controlled 16-channel LED controller optimized for Red/Green/Blue/Amber (RGBA) color backlighting applications. Each LED output has its own 12-bit resolution (4096 steps) ...