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Delphawi

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  1. Hello I need to connect some (or all) of three components I have to a Laptop USB port to use it as a power for the circuit . The power specifications for them are the following : First one DC12V , 0.18A Second one DC05V , 0.17A Third one DC12V , 0.14A How can I use the USB power to make my circuit work ? how many components I can run using a single USB cable ? Thanks in advance
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