29 lines
1.2 KiB
Markdown
29 lines
1.2 KiB
Markdown
---
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title: "My old cooling system improved recently !"
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date: 2016-11-24
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url: my-old-cooling-system-improved-recently
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layout: post
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category: Hacking
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---
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[](/img/blog/my-old-cooling-system-improved-recently_1.jpg)
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It's been almost three years since [I've written an article]({% post_url 2014-01-29-refresh-system-active-passive %}) on a cooling system I've came up with, for the raspberry PI.
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Beforehand, the fan was enabled once the PI was plugged in, and never stopped...
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Now, there is [a script](https://gist.github.com/HorlogeSkynet/5479f543194d809ddf182a48cffc9288) which decides when enabling the fan (based on a time slot and a temperature limit) with the help of a MOFSET N transistor commanded by GPIO Pins (Yeah, again !).
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However, the script is still run each minute :
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`# crontab -e`
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... add in there :
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> \* \* \* \* \* bash /root/PICool.sh > /dev/null 2>&1
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And you may also want the wiring scheme of the system :
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[](/img/blog/my-old-cooling-system-improved-recently_2.png)
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_PS : The DC motor represents the fan which is close to the processor unit on the chip._
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