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    Powering USB hub and Teensy 4.1 from same power supply

    All the instruments I need to (potentially) power draw at most 500mA each (from the manufacturers' sites), and there are at most three of them... BUT having a 4 ports hub at my disposal, I'd also like to connect an iPad for at least maintain its charge status and that's where I'm concerned about...
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    Powering USB hub and Teensy 4.1 from same power supply

    Hello there! 🌚 I'm building a MIDI instrument with USB ports to control (or be controlled by) other MIDI devices. From my (in)experience, initially I thought connecting a passive USB hub to the Teensy could do the trick, but then I realized I didn't consider the limited power that the Teensy -...
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