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Troubleshooting • How to power a Pi 5

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I have to admit, I find the design of powering a Pi to be completely inadequate, frustrating, and unintuitive.

It is quite a frustrating experience to go through hours of setting up and configuring a project, only to find out that the Pi will refuse to perform because the 5V you are providing isn't the right 5V to make it happy.

Is there no such thing as standardizations anymore?

I configured a Pi5 to be a car player. I've seen suggestions online that others have done projects that involve using a Pi in the car. This implies such a feat is possible.

After hours and hours of slaving over this, I gave it a quick test run in the car, and it powered on splitting an existing usb-c connector I had in the car to power my phone and bluetooth adapter, and it worked. Cool.

I took it on the road for a test run - a few minutes into powering on, it powers off.

After a few powering ons, it eventually stayed on for a few hours - then powered off again, never to power back on until I got it home, and on it's precious manufacturer's power supply.

So, I research further online, and get some hard numbers. It needs something that will provide 5V and 5A. So I need something that will take the 12v and provide 5V and 5A. Ok - simple black and white specs that are listed, that if I meet, should be guaranteed to work - otherwise, why would the Pi be listed with those specs?

You will find this link is to such an adapter that in black and white meets the required specs. https://www.amazon.com/dp/B01NALDSJ0

I bought this adapter, it arrived today. I did a test run powering it with 12v from a universal adapter, connected the usb port to the usb-c of the Pi, and - as always now whenever not on it's precious manufacturer's supply, it tries to boot up, and immediately powers off.

How does anyone expect anyone to actually build a project with this Pi when even hardware that plain and simple in black and white meets the specs, is not adequate?

Why are there no standards anymore?

USB-C should be a standard - a device should be built to work within the specs of the standard to avoid this ridiculous and unnecessary frustration of things not working properly when using the standards that exist for a reason!

Just what in the heck does it take to get a Pi 5 to power on in a car?

Statistics: Posted by ArmyOfQuad — Mon May 26, 2025 10:53 pm — Replies 10 — Views 242



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