Read the statement by Michael Teeuw here.
Cooling Raspi
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Thanks for your hints.
Well, it does freeze at these temperatures. And I already have a cronjob which reboots the pi every 6 hours, does not help. No freezing when cooling with a fan, but far too noisy, so no, doesnt seem to be a memory problem rather than a heating problem, so I do not think that setting up higher throtteling temperatures will do any good. -
@requiemmg why too noisy? I never hear the fans on both my pi 3, pi4 and jetson nano on the other side of the room (6 ft away)
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AS I have no case, I have no way to fix the fan without touching anything and then it is scratching on the surface or is vibrating. Tried it a lot, always too loud. No idea on how to get it fixed.
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@requiemmg buy a case… cheap
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@requiemmg
Try this if it helps to hold the fan !
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I have several cases here, that’s not a problem. There is not enough space between frame and wall.
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@requiemmg can you share photograph of the frame ? It would be easy to visualize. ! may be i could be of any help…
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https://www.ikea.com/de/de/p/ribba-rahmen-schwarz-50268874/ Standard IKEA frame, replaced the front with a 8 mm ChromeSpy glass.
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@requiemmg Actually there is a hack! You can increase the space between wall & frame by placing 4 no screws in the back side of frame that would give you some extra margin to place your fan on Rpi. You can also adjust the screw height accordingly! Hope it helps !
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Thanks. Have a case now with passive cooling that fits, Temp around 48°C.
Unfortunately, it still freezes and I dont know why, will open a new thread for this. -
@requiemmg when it freezes at 48C then it’s no cooling issue. Try another SD card, maybe that’s the cause.
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FYI, there’s plenty of fan PiHats to make it super easy to cool your Pi.
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I found a passive cooling case (this one: https://www.reichelt.de/gehaeuse-fuer-raspberry-pi-3-aluminium-schwarz-rpi-case-alu-3b-p248738.html?&trstct=pos_0&nbc=1) which has a nice cooling effect behind a ikea frame. Raspi not warmer than 55°C.
Still, I have freezing problems, but this is totally unrelated… -
holy damn, I feel like my CPU is absolutely frigid then. I run at 35-40c…
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here’s my solution: https://www.amazon.com/gp/product/B07WMTNXZ1/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 - because my pi is behind a frame, I pulled the LEDs off the backside…
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for raspi 4b, very clean solution and easy to open:
https://joy-it.net/en/products/RB-CaseP4+03B
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