Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?

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Sujet : Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?
De : tnp (at) *nospam* invalid.invalid (The Natural Philosopher)
Groupes : comp.sys.raspberry-pi
Date : 07. Dec 2024, 15:50:54
Autres entêtes
Organisation : A little, after lunch
Message-ID : <vj1nce$34uci$1@dont-email.me>
References : 1 2 3 4 5 6 7
User-Agent : Mozilla Thunderbird
On 07/12/2024 12:31, Pancho wrote:
On 12/7/24 11:54, The Natural Philosopher wrote:
On 06/12/2024 14:53, s|b wrote:
On Thu, 5 Dec 2024 07:48:59 +0000, The Natural Philosopher wrote:
>
Tnx for the follow-up. According to the shop I could just snip the green
wire, so I've done that. I've set it to run at 60°C and the fan's not
turning (CPU temperature is 48°C).
My Pi 4B runs about that with no fan
>
That's what I'm saying: it's 48°C when the fan is not running. Software
only allows to set a minimum temperature of 60°C before the fan starts
running, so I unchecked the setting and now the fan is turning all the
time. A fan with only 2 cables (red & black) should have been enough. I
don't know if there's a way to set that minimum temperature to 40°C...
>
But yes, it's not really necessary and  I shouldn't have bought it. But
it was fun setting it up. I use RPi4 for Pi-Hole and PiVPN. I've played
a little with RetroPie, so maybe I'll give that another go, because I
have two RPi4 now.
>
I used a Pimoroni Heatsink Case for the first one I bought:
<https://shop.pimoroni.com/products/aluminium-heatsink-case-for- raspberry-pi-4?variant=29430673178707>
>
Temperature is around 40°C.
>
The Unity V2 comes with a fan:
<https://www.kiwi-electronics.com/en/unity-v2-case-for-rpi-4-20096? search=unity>
>
Temperature is between 30° and 35°C. (There's a real peak when I open
Fx.)
>
>
It's an interesting thought as to why one would use a fan at all. If its such a high compute task that you need one, maybe a bigger Pi or an Intel based machine is indicated.
>
 Heat is often about continuous utilisation, like CCTV. On my Pi4 I have
a heavy aluminium case that serves as a heat sink, it is fine without a fan.
 On my Pi5, I use the official active cooler heat sink, which has a fan. But a good fan, in that it only comes on during the hottest days of summer.
 In a moment of stupidity I also bought a metal case for the Pi5 which messes up my USB keyboard/mouse dongle (reflection?), I haven't checked to see what it does to Bluetooth and WiFi.
 
I dislike fans. They fail.
>
They do, but they normally last for years.
 
Not IME
Repaired several computers with failed fans. If you were lucky the fan itself just needed replacing, If you were unlucky it took the processor with it.
The trouble is the environment in which they run. In a clean machine room, OK. In an office full of people some of whom must have had pets and some of whom smoked, it could be  a very common failure...
--
There’s a mighty big difference between good, sound reasons and reasons that sound good.
Burton Hillis (William Vaughn, American columnist)

Date Sujet#  Auteur
2 Dec 24 * Pi-FAN for RPi4 with 4 (instead of 3) cables?26s|b
3 Dec 24 `* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?25Theo
4 Dec 24  `* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?24s|b
5 Dec 24   `* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?23The Natural Philosopher
6 Dec 24    `* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?22s|b
7 Dec 24     `* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?21The Natural Philosopher
7 Dec 24      +* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?4Pancho
7 Dec 24      i`* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?3The Natural Philosopher
8 Dec 24      i `* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?2Pancho
8 Dec 24      i  `- Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?1The Natural Philosopher
7 Dec 24      +* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?3s|b
7 Dec 24      i`* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?2The Natural Philosopher
7 Dec 24      i `- Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?1s|b
8 Dec 24      `* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?13David Higton
9 Dec 24       +- Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?1druck
9 Dec 24       `* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?11The Natural Philosopher
9 Dec 24        +* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?7Pancho
9 Dec 24        i`* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?6The Natural Philosopher
9 Dec 24        i +* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?4Michael Schwingen
9 Dec 24        i i+* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?2The Natural Philosopher
10 Dec 24        i ii`- Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?1Michael Schwingen
11 Dec 24        i i`- Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?1Pancho
11 Dec 24        i `- Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?1Pancho
9 Dec 24        `* Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?3David Higton
9 Dec 24         +- Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?1The Natural Philosopher
10 Dec 24         `- Re: Pi-FAN for RPi4 with 4 (instead of 3) cables?1Michael Schwingen

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