Pimoroni PiGlow LED Add-on Board Raspberry Pi

LED - Light Emitting Diode - a small light source

Mail - Or post is a service for transmitting physical objects or letters between locations

8-bit - 8 integers or data units. An 8-bit processor can acess 8-bits in a single operation.

Small - something that takes up less space than normal.

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

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