I need to power the Raspberry Pi 4 using GPIO pins. In most cases, people do this using 2 or 4 pins for 5V and 6 pins for GND. But the 6th pin is already occupied for cooling, and it is difficult to replace it, because the connector is dual with a voltage of 5 V.
Can I use the 9th pin for GND for Raspberry instead of the 6th? Or maybe any other GND pin? Is it designed for this?
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