3.3 volts pi?!

[gproduct]

My gpio is giving 3.3 volts. What gpio pins are 5 v on high?
Cheers

[DirkS]

My gpio is giving 3.3 volts. What gpio pins are 5 v on high?

None

[BMS Doug]

none of them, all output pins are 3V3 when high.

[DougieLawson]

There's frequent confusion between header pins and GPIO pins. The GPIOs are a subset of the pins on the header.

http://pinout.xyz helps with mapping them.