Date: Mon, 18 Nov 2024 12:53:37 +0100 From: Emmanuel Vadot <manu@bidouilliste.com> To: Nuno Teixeira <eduardo@freebsd.org> Cc: FreeBSD ARM List <freebsd-arm@freebsd.org> Subject: Re: rpi4 fan speed control Message-ID: <20241118125337.b54d024802f26faac8fa25c2@bidouilliste.com> In-Reply-To: <CAFDf7UKfhWhx4bjOJhhA5yCCR0Sh7PFRA9Dv4n7WUoHjtJssRQ@mail.gmail.com> References: <CAFDf7UKfhWhx4bjOJhhA5yCCR0Sh7PFRA9Dv4n7WUoHjtJssRQ@mail.gmail.com>
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On Mon, 18 Nov 2024 11:03:29 +0000 Nuno Teixeira <eduardo@freebsd.org> wrote: > Hello all, > > My rpi4 small fan is about to die since it started to have noises. Its a > small 40x10 fan attached to a plastic box. > > I'm thinking in something like: > https://www.zdnet.com/home-and-office/the-best-cooler-for-raspberry-pi-power-users/ > > Anyone controlling speed fan, i.e., not using fan a full speed all the time? > > Thanks, > > -- > Nuno Teixeira > FreeBSD UNIX: <eduardo@FreeBSD.org> Web: https://FreeBSD.org I find the wiring a bit weird, usually you use a pwm controller to control the speed of a fan and we have support for rpi pwm (even though it's not handled by the pwm(4) framework iirc) but on the website they plug the control pin to the uart TX ??? Cheers -- Emmanuel Vadot <manu@bidouilliste.com> <manu@freebsd.org>
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