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Newest 'cooling' Questions - Raspberry Pi Stack Exchange
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Use for questions related to cooling the Raspberry Pi.
74 questions
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-1
votes
1
answer
105
views
Does the RPi 5 + Official Active Cooler fit in the official case?
Is this the best place to ask this? I figure it anyone knows, y'all would.
I want to experiment with LLM models running on the Pi, and figure the active cooler will be helpful. And since I've killed a ...
0
votes
1
answer
333
views
How to control the speed of fan in Argon ONE (v2) Pi 4 case on Debian 64-bit?
On Raspberry Pi OS, the original Argon ONE (v2) Pi 4 script just works, link to GitHub:
curl https://download.argon40.com/argon1.sh | bash
On Debian 12 Bookworm 64-bit, however, it does not, by ...
-1
votes
1
answer
365
views
Raspberry Pi pwm fan control
I have a PWM fan connected to pin 18
What is the simplest way to make the fan turn on at 50 degrees and turn off when the temperature drops to 35 degrees.
4
votes
2
answers
28k
views
Raspberry Pi 5 edit / modify temperature limit for the active cooler FAN [closed]
I am willing to modify the Temperature limit that the pi has to turn on its fan on, to cool down. Because by default it says the fan only starts when the pi gets hotter than 60C.
https://www....
6
votes
2
answers
12k
views
Disable automatic fan speed control of the Raspberry Pi 5 to control it manually
I have a Raspberry Pi 5 with the official cooler/fan. The firmware enables it from 50°C and up in different steps. I'd like to control it manually, which is possible by writing the steps to /sys/class/...
18
votes
2
answers
31k
views
How do you attach the case fan on the Raspberry Pi 5?
I can see where I'm supposed to plug the fan cable but it's covered up and I'm scared to tug on it in case I break it. Is there some knack to opening it?
5
votes
1
answer
953
views
Turn off GPIO fan when the temperature lowers by more than 5 degrees
I am able to trigger my Raspberry Pi 3B's fan to turn on at 50 °C with the following line in /boot/config.txt:
dtoverlay=gpio-fan,gpiopin=3,temp=50000
However, it automatically turns off again when ...
2
votes
3
answers
2k
views
Board getting super hot, what's wrong with my Raspberry Pi 3?
So I was about to benchmark cooling techniques to cool my raspberries when I noticed that my RPI3B Rev 1.2 board was getting abnormally hot out of the box when booting a vanilla Raspbian from the SD ...
1
vote
1
answer
196
views
Connect several sim800l with external power supply to the uart of ip4 and floating ground
I am creating a circuit with several sim00l connected to different UARTs each with its own external power. But I'm curious if having other objects like cooler-fan connected to other GND of the rpi ...
0
votes
1
answer
2k
views
Raspberry Pi Case fan running 24/7
So a few days ago, I installed Raspbian Bullseye on my Raspberry Pi 4, and now the case fan (pin 4) is running 24/7
Even when the fan is disabled, the GPIO 14 pin is unplugged, or the system is turned ...
1
vote
2
answers
5k
views
Lower temperature for GPIO fan turning on
raspi-config P4 only allows temperatures above 60, but I prefer being able to touch my pi before the fan turns on. Is there a way to ignore this limit and set the temperature to a lower value?
1
vote
2
answers
951
views
Does installing a fan need inrush current protection?
On the internet, I found this plan to install and control a fan:
I wondered whether one needs protection against inrush current since I heard a fan might draw quite some current when it is starting ...
0
votes
2
answers
257
views
Air cooling calculation? [closed]
How do I calculate the airflow needed to cool a RPi2 / 3 / 4?
Assume "cool" means keeping the chip below a temperature where the Pi needs to throttle.
Assume the chip is being stress tested, ...
- 101
1
vote
1
answer
318
views
Raspberry Pi cooled with a Peltier cell [closed]
I've an RPI3B+ mounted in an IP65 box and placed inside a greenhouse. Obviously the CPU becames really hot during the day and it reaches 80°C (even after the installation of the small heatsinks). I ...
2
votes
2
answers
969
views
raspberry pi fan don't start to spin without hand help!
Raspberry Pi has recently added fan control feature in its raspi-config tool. This made me curious to add a fan to my RPI 4. I did it recently with a 680-ohm resistor, 2N2222 transistor, 1N4007 diode, ...
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