Here is a simple mod to allow the speed of any 12V fan to be varied. All we need to do is insert a rheostat or variable resistor in the 12V wire to the fan. The rheostat should be rated at least 3 ...

What is the best PC fan? All gaming PCs need good cooling to ensure consistent operation without any crashes or drops in the speed of its components. If you're building a new system, many PC cases ...

I made this project because I wanted a way to automatically control the speed of a DC fan according to the temperature read by a LM35 sensor. I had a few problems with the PWM part mainly because the ...

As anyone who has worked with their laptop on their lap knows, after a while your computer gets hot. The greater the demands you place on your notebook, such as running multiple programs or using ...

Contrary to popular belief, fan speed settings aren’t always correct from the factory. It’s been a long-standing assumption that you should use the high-speed tap for cooling and low-speed tap for ...

Many of the parts inside of your business computer generate a great deal of heat that gets removed by the cooling fans inside of its case. If the fans run slowly, they remove less heat but also make ...

This post is a quick sequel of my previous article jam-packed with my personal experiences and observations while I was fiddling with standard 4-wire PC cooling fans. Today I will be talking about the ...

Here's an odd one. I've got a site with two C2921 units (one from an ISP and one doing internal routing) where the fan speeds differ greatly. The unit the site controls is mounted directly underneath ...