Whadda WMI8090 8-Channel USB Relay Card Module - Pre-assembled

USB - Universal Serial Bus

LED - Light Emitting Diode - a small light source

Computer - A programmable electronic machine which stores and manipulates data.

World - A physical grouping, commonly used to describe earth and everything associated with ti

USB - Universal Serial Bus. A method of connecting a device to a computer

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

Condition - The quality of a product or service.

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