aspruil01
Posts: 2
Joined: Tue May 12, 2020 7:30 pm

GPIO power and separate Cooler fan

Tue May 12, 2020 7:41 pm

Hello, I have a need to connect a 12v to 5v converter to my PI 4. I also have a fan to connect. I know pin 2 and 6 are the pins for the power what are the options for using both converter and fan without splicing wires?

pcmanbob
Posts: 9467
Joined: Fri May 31, 2013 9:28 pm
Location: Mansfield UK

Re: GPIO power and separate Cooler fan

Wed May 13, 2020 8:29 am

Hi.

The pi gpio header has 2 x 5V pins and a number of grounds

Image

ref... https://pinout.xyz/#
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LTolledo
Posts: 3432
Joined: Sat Mar 17, 2018 7:29 am
Location: Anime Heartland

Re: GPIO power and separate Cooler fan

Wed May 13, 2020 11:50 am

my version:
buck converter top board v3.0 testing on RPi4B-2G.jpg
buck converter top board v3.0 testing on RPi4B-2G.jpg (180.78 KiB) Viewed 59 times
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