{"id":212,"date":"2024-05-17T20:16:49","date_gmt":"2024-05-18T02:16:49","guid":{"rendered":"https:\/\/www.redshirt1701.com\/?p=212"},"modified":"2024-05-27T13:08:54","modified_gmt":"2024-05-27T19:08:54","slug":"silence-you-noisy-raspberry-pi-poe-hat","status":"publish","type":"post","link":"https:\/\/www.redshirt1701.com\/index.php\/2024\/05\/17\/silence-you-noisy-raspberry-pi-poe-hat\/","title":{"rendered":"How to Quiet a Noisy Raspberry Pi POE Hat Fan"},"content":{"rendered":"\n<p>May, 17th, 2024<\/p>\n\n\n\n<p>If you have a Raspberry Pi Power Over Ethernet (POE) Hat, on your Pi, you know that it has a fan.&nbsp; I mean really know.&nbsp; Once the pi gets up to temp, they whine like there is no tomorrow.&nbsp; Here is the trick to get rid of the noise while still keeping your Pi cool.<\/p>\n\n\n\n<p>Jeff Geerling has a small script to add to a Pi to have the fan ramp up and down with the temperature of the CPU.&nbsp; It is ear saving and makes a pi near silent.&nbsp; As a bonus, after setting it up, if the fan ever ramps up to speed and never comes down, you know there is something wrong with the Pi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The link, the process. Takes about 2 minutes<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.jeffgeerling.com\/blog\/2021\/taking-control-pi-poe-hats-overly-aggressive-fan\">https:\/\/www.jeffgeerling.com\/blog\/2021\/taking-control-pi-poe-hats-overly-aggressive-fan<\/a><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>SSH into your pi<\/li>\n\n\n\n<li>Nano into&nbsp; \/boot\/firmware\/config.txt<\/li>\n\n\n\n<li>Use the down arrow to go to the bottom of this file.<\/li>\n\n\n\n<li>Add these 5 lines changing the temp to whatever you prefer. Noting 65 Degrees Celsius = 65000. In addition, the fan has 4 speeds this just sets at what temperatures the fan speed changes. I wanted it to be super silent so my temperature targets are very aggressive.<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code># PoE Hat Fan Speeds<br>dtparam=poe_fan_temp0=65000<br>dtparam=poe_fan_temp1=70000<br>dtparam=poe_fan_temp2=75000<br>dtparam=poe_fan_temp3=80000<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Press &#8220;Control + o&#8221;, &#8220;Control + x&#8221; on your keyboard to save and exit<\/li>\n\n\n\n<li>Press &#8216;Enter&#8217; to confirm<\/li>\n\n\n\n<li>This will close the nano text editor<\/li>\n\n\n\n<li>reboot your pi using the command<br>sudo reboot now<\/li>\n\n\n\n<li>The fan should work with your new settings now<\/li>\n\n\n\n<li>Listen to the sweet silence<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>I have found that this simple change is very effective with 6 Pies and 6 POE hats, my office was full of angry white noise.  Now I can work in peace and quiet.  If a fan goes up, I know that pi is working hard and if the fan stays ramped up, I know to take a look at the processes it is running.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>May, 17th, 2024 If you have a Raspberry Pi Power Over Ethernet (POE) Hat, on your Pi, you know that it has a fan.&nbsp; I mean really know.&nbsp; Once the pi gets up to temp, they whine like there is no tomorrow.&nbsp; Here is the trick to get rid of the noise while still keeping&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[7],"tags":[13,15,14,11,12,10],"class_list":["post-212","post","type-post","status-publish","format-standard","hentry","category-raspberry-pi","tag-fan","tag-loud","tag-noisy","tag-poe","tag-power-over-ethernet","tag-raspberry-pi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - 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