DFRobot ROB0150 Micro: Circular RGB LED Expansion Board

LED - Light Emitting Diode - a small light source

Eye - An organ which detects light

Microphone - A device for recording sounds. Also known as a mic.

Colour - The categorised spectrum of light visable to humans

LED - Light Emitting Diode. A bulb that is very efficient at producing light. Often small.

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