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The function of the power adapter

The power adapter is also called the external power supply (switch power adapter), it is the power supply voltage conversion device of a small portable electronic equipment and electronic appliances, this i...…

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What is DC Power Supply Used for?

Electricity comes in two main forms: alternating current (AC) and direct current (DC)。 DC current has the flow of electricity going in only one direction (forwards), whereas AC current has the electricity 。。。…

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POS/3D Printer

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