I would assume the power supply is just not good enough-or isn't good enough anymore. Rpis are notorious for needing high quality supply for current, preferably the official ones which actually provide 5.1V presumably to account for voltage drop on the cable.
Fair enough. Thank you for your input.
To add to this. If you have more than one rpi, swap the power supplies and cables around in different combinations, see if the issue follows a particular part.
Electronics can get weird when they have voltage irregularities, you even see this as a hacking method on occasion, but it's not exactly consistent from what I understand. I saw an article where people started messing with voltage to a Tesla's CPU and managed to unlock premium features.
I am currently powering two rpi's with a 40w USB dual port charger, has been going well.
I saw an article where people started messing with voltage to a Tesla’s CPU and managed to unlock premium features.
I know this is slightly off-topic, but... how exactly does this happens anyways? Does dropping the cpu voltage makes it "forget" of some intended things like a built-in protection or something of the sort? Not gonna lie, I never heard of it until now.
I am currently powering two rpi’s with a 40w USB dual port charger, has been going well.
Isn't using chargers instead of power supplies dangerous? Because I keep hearing that "power supplies are a must or else you'll kill your device" like its gospel. Unless that isn't entirely true or something I might be (very likely) unaware.
Other than that, thanks for your input as well
Here's a link to the Tesla story, there's plenty more if you search on google. I don't know 100% how it works, looks similar to your issue where voltage irregularities cause odd behaviour.
As for the power supply vs charger thing. I have not looked around that hard to determine if using a charger like this is a super bad thing to do. I suppose low quality chargers and power supplies could be delivering dirty power which could cause issues or shorten the lifespan of the device. Power supplies are also more designed to run for long periods of time. It depends on how much you want to spend.,
In addition to the above, if you have 4 or more USB devices connected to your Pi, that can also cause the power warnings. A powered USB hub should solve the issue, if that's the case.
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