Use a powered USB hub between the mouse and pi if you have power concerns.

On Tue, Oct 6, 2026, 11:43 AM <[email protected]> wrote:

> Is there any reasonably-simple, reasonably-inexpensive way to use a ps/2
> 3-button mouse (..recommended for use with plan9..) with a raspberry-pi 1 B
> or 3 B?
> My understanding is that such a thing, even with an adaptor, requires a
> powered usb port delivering ~1.5A, and the only pi that delivers this is
> the 5.
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