I need to made device controlled with 3 Raspberry PI connected in cluster and want to made power supply via GPIO.

Do I need made 3V3 and 5V supply or just 5V on GPIO2?


1 Answer 1


Pins and GPIO are not the same thing.

You can not power the Pi via the GPIO.

You can power via certain pins on the expansion header.

Pin 2 and pin 4 are 5V pins.

You should only supply power via a 5V pin.

DO NOT try to provide power via the 3V3 pins or any GPIO.


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