Posts: 129
Joined: Sun Nov 02, 2014 9:18 am

gpio pins

Fri Sep 23, 2016 5:40 pm

Is there a schematic from the gpio pins what is 3v and what is ground.on the gpio from the Gertboard.

Posts: 2713
Joined: Fri Jun 08, 2012 6:03 pm

Re: gpio pins

Fri Sep 23, 2016 8:46 pm

Hold your horses, this is going to get technical.

Let's say ground is 0 volts.
3.3v is 3.3v higher than 0 volts.

Those pins cannot be controlled they just provide a 3.3v power supply and the return to ground.
Electronic and Computer Engineer
Pi Interests: Home Automation, IOT, Python and Tkinter

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