Because I like the idea of being able to power the whole set up with one power supply and since it's currently winter in the UK, with lots of gloomy days and darkness at 4 PM, I don't really need full brightness from my monitor at the moment.why would you want to anyway, it cut's the performance in half
you won't get the full performance of the monitor
The monitor product brief list it as 1.5A@5V.
On first view I would say that's not possible with a 15W PSU! Your Pi400 has a USB-C power input but it is not USB-C PD capable --> when connecting the 27W PSU it still runs on 3A only.
You will have to use another PSU for the monitor.
I did a little extra research after I posted this and was able to find a bit more info. Apparently the Pi 400 can only output a maximum of 1.2A via the USB, which as you've pointed out means that upgrading my Pi 400 power supply won't make any difference here since it can't send anymore than that to the monitor.I'm pretty sure that one of the moderators on here successfully used a RPi4 PSU to power both, but doubt that you could add any extra USB items.....
But it's good to know that may still be enough to power the monitor with my current Pi 400 setup (in power saving mode, of course). The only things I have plugged into to my Pi 400 are a wireless mouse and a USB thumb drive. Would they draw enough current to effect operation of the monitor? I imagine it would be safer to simply buy another supply to power it, but that would defeat a lot of the appeal for me.
Anyway, thanks for the help.
Statistics: Posted by marimo — Tue Dec 17, 2024 6:41 pm