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    T-can485 q Re usb use while powered externally

    Technical Discussion
    t-can485 power usb
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    • G
      Going9920 last edited by Going9920

      Hi,

      Starting a build for solar controller interface (rs485).

      Question regarding power isolation, I will be powering the t-can485 externally. Is the power appropriately isolated so that the usb can be connected (for serial interaction) without removing external power from the board?

      (If interested, Solar controller presents 7.5V regulated and rs485 on a single rj45)

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