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Questions tagged [cooling]

Use for questions related to cooling the Raspberry Pi.

1
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2answers
33 views

How to program active cooling connected to GPIO

I have Raspberry Pi 3b+ with the case, which has a small 5v fan, which is connected to GPIO. Look to picture below: Fan works all the time. But I don't want it. I want it to work only in case, when ...
0
votes
1answer
23 views

Controlling array of fans

So I'm building a stack of Pi's and the case I'm buying comes with four fans. I want to use a Pi Zero (ideally, but whichever one will work is fine) to control all the fans but I have no clue if this ...
0
votes
0answers
14 views

Can I use the ALJ D882 transistor or SS8550 transistor to control the 5V fan on my raspberry pi 3?

Can I use the ALJ D882 transistor or SS8550 transistor to control a 5V fan on my Raspberry Pi 3? Fan is 5V 0.33A (fan from my old laptop). http://alltransistors.com/transistor.php?transistor=52900 - ...
0
votes
2answers
47 views

Running temperature options

I have new RPi 3B+ intended to run 24/7. I am looking to ensure it doesn't overheat, so am wondering whether having wired ethernet would make it run cooler than using the WiFi? The Pi is situated ...
0
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3answers
249 views

Raspberry Pi case ventilation necessary?

I have a Pi 3 B+ that I am using as a portable media server, and it can get quite warm. I need a case for it, and I have been looking at a few, however very few of them have any sort of ventilation. ...
0
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0answers
126 views

Used within a Pi-Top Notebook, does the Raspberry Pi 3 B+ run cooler than the Pi 3 B?

I've been thinking about upgrading from a B to a B+, so I went and looked at the Raspbian Stretch with Desktop download I recently used to set up a new SD card for my Pi-Top running the Model B. It is ...
-2
votes
1answer
11k views

Where do I plug in a 5V mini fan on a Raspberry Pi?

I have a Raspberry Pi 3 Model B+. I am currently installing the Pi into a Super Tinytendo case, which came with a built-in mini fan. However, I'm not sure which set of pins I should plug the fan into. ...
0
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4answers
4k views

What cooling is the most effective for the RPi 3B+?

I've been doing some research with the new RPi 3B+, but have been struggling to find much information about effective cooling for overclocking. I have seen some solutions such as Heatsinks (small ...
4
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2answers
466 views

Cooling down the Raspberry Pi 3 in a Vacuum

I'm working on a small little project involving the Raspberry Pi 3 and the LSM9DS1 Breakout board from Adafruit. We plan to place the Pi and the sensor board in a high radiation environment (but ...
1
vote
1answer
122 views

Is it safe to paint the Raspberry Pi PCB and microchips to give it a different color, and if so, are there recommended products?

In the O'Reilly book "Raspberry Pi Hacks" there is Hack 40 "Make Your Pi Water-Resistant (Without a Case)" in which they describe how they make a Raspberry Pi temporarily water-resistant using ...
1
vote
1answer
315 views

Powering a 5 volt fan from GPIO

I found a 5 volt fan from an Acer laptop, and want to fit it to my Pi (sunon maglev fan GC055515VH-A). It has three wires - red, black, and yellow - why is that?! The unit does not state its ...
1
vote
1answer
214 views

Pigrrl 2 case and cooling fan

I know how to set up a fan on a Pi 3. But can I attach this fan to the GPIO under the Pi by soldering it and will it affect the PiTFT that is actually attached to the Pi GPIO on top? And could the ...
0
votes
1answer
691 views

Detect CPU slowdown due to overheating

How do you detect when the Pi is slowing down its clockspeed due to overheating? I know I can find the "current" CPU speed by running: sudo cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq ...
1
vote
1answer
109 views

does a heatsink for RPi3 processor needs to be exactly centered?

Does a heatsink for RPi 3 processor needs to be exactly centered ? It fell while I was "aiming" for the processor with the board in its case (I know, sloppy). Thankfully the thermal pasted heatsink ...
4
votes
4answers
650 views

Did I destroy my GPIO board?

I bought a 30mm DC fan to cool off my Pi. It worked just fine if I plugged it into the 5V and GND pins. However, I wanted it to be programmatically controlled, so I plugged it into pin #18 and GND. ...
1
vote
1answer
695 views

Will a USB powered fan cool my Pi 3 with a touchscreen attached and will it draw to much power?

I have seen tutorials that show a fan plugged into the USB port to cool the Pi, would this overload the Pi? Is it necessary to use a fan at all?
2
votes
3answers
164 views

Will a fan cool my Pi 3?

Will a fan cool my Pi 3 without heatsink? I'm using it for some hard-core gaming and it's heating up enough that the thermal warning comes up and I don't want to use heatsink because the case I've got ...
1
vote
2answers
4k views

Will 3.3v gpio work for a fan without hurting the pi?

Will it hurt the pi if I run a fan on the 3.3v gpio? I have a hdmi lcd screen on mine and I don't want to use the usb ports for a fan. I have a raspberry pi 3 by the way
4
votes
4answers
3k views

How do I control GPIO-connected fan via code at a certain CPU temperature?

I have just bought a 5v Pi fan for my Pi3. I'm using Retropie 4.1 for the OS. I have connected the red and black wires of the fan to ground and GPIO 18 respectively. How can I get the fan to start ...
0
votes
1answer
1k views

Raspberry PI 3 fan doesn't work

I have connected fan (5V, 0.2A) to raspberry pi 3 on pins 2 and 4. When I turn on raspberry, fan doesn't work. Does fan should start with turning on raspberry? Or I have to setup some configuration to ...
5
votes
2answers
25k views

Cooling fan powered directly from GPIO?

I have a Pi3 in a fairly enclosed environment, and I found that, even when my Pi was relatively idle (5% CPU usage) the CPU temp was averaging around 80C, which is close to the 85C where the Pi starts ...
0
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4answers
2k views

do I need radiator for Raspberry PI 3 model B [duplicate]

I am going to build cluster with Raspberry Pi 3 Model B. I am going to buy dozen of raspberry. and I wanted to know if I need radiator too
9
votes
5answers
9k views

Raspberry Pi cooling; Blow cold air in or suck the hot air out?

I'm attaching a fan to the RPi's original case. I wanted to use a laptop cpu fan. Should I suck the hot air from RPi? or blow cold air inside the case? Btw, there's a heatsink on the Soc and LAN & ...
2
votes
2answers
588 views

Control USB fan via relay

I've just bought a usb fan to cool down my router during the summer as it gets very hot. However, since i don't need to keep it on continuously, i was thinking about a solution to automate its usage ...
4
votes
1answer
3k views

How does a Raspberry Pi deal with high temperature?

Is there a overheating protection circuit integrated into the Raspberry Pi like in desktop processors from Intel or AMD? When I did research about this question I just found vendor specification about ...
6
votes
1answer
4k views

What are the cooling requirements for Raspberry Pi 3?

The new Raspberry Pi 3 has been beefed up from the previous version. Now it comes with a Broadcom BCM2837, which is an ARM v8 quad-core Cortex-A53, clocked at 1.2GHz. I have also seen somewhere a ...
0
votes
1answer
579 views

How to add a fan to the Pi

I was reading about how to cool the raspberry pi, I plan to do so, however, some articles mentioned that I should use a buffer circuit rather than connecting it directly into the GPIO pins. What does ...
-2
votes
1answer
1k views

Raspberry Pi 24/7, does it need cooling?

I made a Minecraft server with a Pi 2. I overclocked it with raspi-config to something like "Medium". I intend to keep it running 24/7 without a case. Do I need a heat sink and a fan in this situation?...
1
vote
2answers
3k views

Automating my fan based off of the CPU temperature

I just got a fan for my Raspberry Pi 2 model B. It uses the GPIO pins. The fan works well but makes a lot of noise. I want to get the fan to switch on and off depending on the temperature of the pi. I'...
2
votes
3answers
10k views

How to connect a regular CPU-Fan to the Raspbrery Pi 2 B

We're running a Raspberry Pi 2 B as a Tomcat-Server and meanwhile it became quite warm so I'm thinking of using one of the old CPU-Fans (12V) we're having around. Unfortunately I couldn't find any ...
1
vote
3answers
760 views

PWM Fan causes clicking sound

I am using PWM to control the speed of the fan on my RPi 2. The problem is, when I am PWMing it, a clicking sound can be heard from the fan. I am using a 6v power supply for a 5v fan to compensate ...
2
votes
4answers
6k views

Raspberry pi Model B - Control a mini fan

I bought a 5v mini fan from aliexpress and got it today. Its working fine...but its a bit too loud for my taste. Its connected to pins 4, 6 (??!? not sure) Is there a way i can controll it by ...
1
vote
1answer
452 views

Is cooling needed to be able to overclock the Pi further?

I've only managed to overclock my Pi to 1.3 GHz, but this guy here http://www.overclock.net/t/1404207/extreme-cooled-raspberry-pi got it up to 2.4GHz. Is it the cooling that makes it possible to get ...
1
vote
1answer
1k views

Fitting a CPU Cooler on a Raspberry Pi

I have been looking into cooling solutions for the Raspberry Pi, are there any CPU coolers out there that will fit on the Raspberry Pi CPU? I know there will be an overhang of the cooler on the CPU ...
0
votes
1answer
583 views

Heatsink too big

The passive cooling set I ordered has 1 big and 2 medium heatsinks. Would it do any harm if I used the medium heatsink for the capacitor? For the Raspberry Pi B+ it should have been 1 big, 1 medium ...
-2
votes
2answers
2k views

Is there any use to water cool a raspberry pi? [duplicate]

Is there any use to water cool a Raspberry Pi? In other words, it is possible to overclock the RPi enough to have to water cool it? Or will there always be enough with just the heatsinks, or with ...
3
votes
2answers
432 views

Enclosing the Raspberry Pi in a Plushie

As I've seen previous projects with the Raspberry Pi being enclosed in stuffed animals and plushies. I've wanted to attempt a project in a similar environment. Will there be a problem with overheating ...
28
votes
1answer
18k views

What are the maximum operating temperatures of the components?

What are the main sources of heat on the board? What temperatures do these components reach under load?
11
votes
3answers
896 views

Is it possible to immersively cool a device?

With reference to recent questions about overclocking (ie. What are the overclocking capabilities? ), is it possible to immersively cool the Raspi? Presumably such a system would have to rely on ...
72
votes
3answers
8k views

Can I use an airtight case?

Is it possible to reliably run a Pi in an airtight (watertight) case or is some form of ventilation required for cooling? I'm assuming it doesn't chuck out too much heat, but am wondering whether ...
4
votes
0answers
88 views

What do I need to consider when creating a case? [duplicate]

Possible Duplicate: Running in an airtight case. Does it need ventilation? Do I need to use fire-proof materials?