My USB cable has 4 colours, red, blue, brown, and yellow. What are the positive and negative? - Quora
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USB 2.0 MALE FEMALE 5V 2-4 PIN EXTENSION BARE WIRE OPEN END CONNECTOR, BEST FOR DIY CORD REPLACEMENT | Lazada PH
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Xiatiaosann Micro USB Cable Male Female to 2 x Open Cable Ends, USB 2.0 Connector to 2 Wire Power Supply Extension Cable Charger Connector Plug 2 Pin Line for Arduino : Amazon.co.uk:
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