WittyPi 4 powering MEGA4

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Last Post by agnr22 7 hours ago

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agnr22

(@agnr22)

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Hi,
What is the best way of powering the MEGA4 USB hub with the WittyPi4? Connecting the MEGA4 to the RaspberryPI only will limit it to only little over 1 amp shared over all ports, which is too little for my usecase. In the WittyPi4 manual it was mentioned that one could use the VOUT and CATHODE pins, however I experience instabilities when doing this, even with no USB devices connected.

The WittyPi4 in this case is connected to a 12v powersource through the XH2.54 connector.

Any ideas?

Posted : 16/06/2025 6:09 pm

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