Read the statement by Michael Teeuw here.
How hot does your mirror run?
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I built my smart mirror this weekend, It contains 2 older 15 inch LCD monitors i had laying around and 2 PI 3s, They are built into a shadow box that has a mirror on the front and the ambient temperature in the box seems to sit around 90 degrees F, I have some ventilation but i wanted to see what other peoples were sitting at.
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I built the same, and the thing is HOT! I have to install some ventillation and maybe a fan… The monitor itself under the 2 way glass is almost burning to the touch!
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Mine doesnt get quite that hot, I put a small vent openings on the back of mine to allow the heat to escape and i wrote a cron job to check the temperature and if it gets over 70c it will turn off the display which reduces the temperature quite a bit and it waits for it to get back to 55c before turning back on. I also set it to shut down the pi too and not come back on if it gets over 80c, Im currently in the process of adding a time control to the script so it will shut off durring certain hours of the day for power saving and if its in an area where you dont want any light at night such as in a bedroom. I will post it with installation instructions once it is finished and undergone a little testing. Here is how the inside of my box looks for comparison.
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@wered would you mind sharing that script to turn it off at 70c and back on at 55c? Would solve some problems I’ve been having lately. Thanks!
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I Have finished the script, I have a link to the git repo for it here https://git.serverforge.org:8082/Wered/rpi-mm-tempcontrol and i have installation instructions/Config guide here https://wiki.serverforge.org/index.php/Tempcontrol
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@wered awesome thanks man! I’ll give it a shot tonight
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@wered I can’t install rpi-temp or tempcontrol, says it can’t locate the packages. Would you mind checking if there’s something wrong on your end?
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Mine gets very hot. I think it’s because of my old monitor. I actually had the heat affect my HDMI cable and had to replace it as my monitor kept cutting out.
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@chieftainSupreme What distro are you running on your pi?
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@wered running a multibootpi setup with retropie, raspbian and libreElec. Trying to install this on Raspbian, and i couldn’t get it done with either install method, apt-repo or manual. I’m pretty new so it may be an error on my part
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Apt method will only work on ubuntu currently, the manual install should work if done correctly though, is it giving you an error when you try to run it?
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I forget what the exact error was, I’ll check it out when I get home. Does this setup require a GPIO connection? My fan right now just has 5V power and ground wires
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It requires no gpio, its just a simple bash script that turns on an off the display based on time and temperatures
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Has anybody here tried attaching a copper heatsink to their pi? I saw a few fellas on youtube doing this but I’m quite unsure if that’s an option I’ll go for.
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@Advokaten My Pi is in a pretty closed off area, I have 3 small aluminum heatsinks attached plus a small fan. The pi itself never gets above 50c
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I have the aliuminum heat sinks on mine aswell however the monitors used in the box are quite old and generate most of the heat, but even still mine hovers around 55C currently.
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@wered From what I read, the Pi’s can handle temps up like 80c. Mine is behind my TV and it is pretty modern, so it doesnt get very hot. The fan helps a bit.
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I have a fan and heatsinks, very simple addition and makes a big difference
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I wanted to add a fan from the very beginning although all searches say that the Pi can run without problems up to 80°C or more. That “seemed” hot to me. My Pi was running at 60°C, which is well under the maximum that I discovered. So, I took it upon myself to add a 12v fan (I have spare parts lying around) and connected it to a 5V pin and a GRD pin on the GPIO header. I’ve been running the mirror more than a month without a hitch and my CPU temp is nearly 20°C cooler. Fans are cheap. If you can salvage one, even better. The result is pretty dramatic. Have a look.
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@Mykle1 not only is it cheap, it was a great learning experience for me, both overclocking and learning how to integrate other hardware into your Pi setup. Still working on an on/off switch that can also switch between OS’s tho…
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