How are you cooling your Pi 3?
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@UberJay LOL! That's fantastic. I know it's an extreme example to prove the point, but it's not a contest to get the lowest temp--we just need enough cooling to stop the throttling. Besides, that one blocks access to gpio pins.
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@caver01 I think we agree to be honest. I'm sure you are getting some benefits from your heat Sync and if it meets your requirements then it's obviously the right solution. Like you said it's not a competition but if it was this guy has won :)
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@UberJay I do like the creative use of plastic to insulate and secure the sink. Mine is literally just sticking with the thermal paste, but I'd feel better if I had a method to hold it on there.
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I think he did a follow-up video with a fan put on that thing as well... lol.
Anyway, from what I have seen, a heatsink only drops temps by a little bit (the normal ones you see for the RPi, not the beast above). Adding a fan is when it drops considerably.
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I put 2 small copper heat sinks in my pi3 today. Total waste of time. I have to run the thing with the case cover off or it starts to throttle
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@Ekstreme How small? Were they finned, or just slabs of copper?
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Finned. but not tall enough I reckon.
I've just ordered a case with a fan. Enough of this mucking about -
I bought this from Ebay.
Huge difference for only $7US
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@T1nmaN wow. The price is right. Seems like a no-brainer to get a case, heat sinks and a fan for that price. I like that the case was designed with GPIO, camera and display cable slots too. Is it acrylic? It would be easy enough to use acrylic weld solvent to attach "wings" with screw holes for mounting. Seems like a good solution if the fan doesn't conk out.
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@caver01 Yeah, the one thing that is missing is screws and nuts to attach the board to the case, but it's a pretty tight fit, and I feel pretty good about it the way it is. Does anyone know what size nuts and screws would work? I can't remember if it had the holes to attach to the board at the bottom, but I'll check when I get home. It is acrylic.
Here's the ebay link : http://www.ebay.ca/itm/111965982816?_trksid=p2057872.m2749.l2649&var=410906661440&ssPageName=STRK%3AMEBIDX%3AIT
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I personally think some of the cooling methods some people use are a little extreme. If you overclock, heat sinks applied with arctic silver thermal adhesive will suffice. That's what I do. I don't trust the adhesive pads that the heatsinks usually have pre-applied so I peel them off and use a quality thermal adhesive. The downside to using thermal adhesive is you will never get the heatsinks off again, so make sure you apply them correctly. For a $35 dollar board, its a risk I'm willing to take.
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I´m using copper heatsink and aluminium alloy case, but I putted the fan above the micro (needed to do Dremel art hehe); with the fan off I get 45-60ºC compared to my old SNES acrilic case 65-75ºC.
I need to automate the fan with some code and see what ºC it takes (working on code!)
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My Pi 3 only gets really hot when installing a lot of things for a long time...
Opening the lid on my case and having heatsinks on the CPU and the built-in USB hub helps, but not that much...
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Sometimes I have to bring out my fan!
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I got bored when trying to overclock mine after first getting it, and this happened... lol. Two 120mm desktop fans wired to an ac adapter power source. Enclosed with some plastic and Pi 3 is suspended in middle with four metal "hooks" from those little suction cup things and rubber bands. :P
Yeah, it's ridiculous. And it sounds like a jet taking off. But I think it's pretty awesome. >_>
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@Relik
lol that is pretty awesome!Last night I played Strider 2 for the PSX for about an hour then I loaded up Kodi to watch a movie and I got the red box on the top left of my screen so I just popped off the cover on my case and turned on my USB fan and the red box went away in just a few seconds. I don't have any overclock settings right now but I do have heat sinks on both the GPU and CPU. I put my finger to the tops of the heat sinks and they both felt very hot. At this point I rarely use my USB fan but I'm glad I have it for heat emergencies like these.
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Yeah, I haven't messed with this one in some time but I couldn't get it to overclock past 1350 and remain stable; even with the monster desktop fans. :)
I need to update the thing actually; I haven't used it since I got it. I need to check out some of the new features of RetPie etc.
I have to say, it was pretty fun making this thing though lol. It actually dropped the degrees during tests by around 15-20 degrees Celsius I believe (under full load). You should have seen the first incarnation of it... I had it mounted with the bottom case attached to two curtain rod wall mounts (parts that hold the rod and attach to wall) that I'd bent straight ... it was hideous. lol
Ahh well, all in good fun.
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@drake999 said in How are you cooling your Pi 3?:
I personally think some of the cooling methods some people use are a little extreme. If you overclock, heat sinks applied with arctic silver thermal adhesive will suffice. That's what I do.
I am a newbie with RPi but I noticed that my RPi3 (not overclocked, just heatsink) throttled down the core when running some CPU benchmarks. At least thats what I concluded when Phoronix suite ran the CPU tests 3 times and the 2nd and 3rd run were always a lot slower than the first run.
So if that is true then I think it makes some sense to apply some proper cooling. -
Hi!
I bought some 28x28x15 alu heatsink off ebay (no affiliation). Applied some small thermal paste and it fits inside a couple of my Raspberry Pi 3 cases perfectly! (my Multicomp Case and a Pi-Blox Lego® Compatible Case) I'm able to overclock to 1.40GHz without exceeding 80 degrees under load and no active cooling, therefore not being throttled back down to 600MHz.
More photos here: https://goo.gl/photos/rmwd9qdUH65ZjNZD8
NB: the spring only serves to secure the heatsink when the case is closed. -
Could someone tell me how much I screwed up? I used arctic silver epoxy and put a heatsink on the bottom. I saw one photo of a Pi 3b like that and decided I should do that too. -_-
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