LEDs

(Light Emitting Diodes) Electronic components that produce light when current flows through them.

Single Colour LED

An LED that emits only one colour (e.g., red, green, or blue). picture

RGB LED (Common Anode Configuration)

An LED containing red, green, and blue LEDs in one package.

In a common anode setup, all positive terminals are connected, and colours are controlled by grounding the individual colour pins.