Power from usb port

usb 3 slot   Dan usb 30 slot

I have MacBook Pro mid 2014 which I understand have an usb port I wonder if I can use it with usb cable to connect to an arduino

If the USB port or cable has a blue tab, it is USB That said, it's possible for a USB port or cable to be a color other than blue See The red USB port is generally classified as USB , which was released in 2017 However, it can also be used to indicate a USB Gen 2 port

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