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Arduino Forum Arduino As PC Fan Controller
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Related

Arduino As PC Fan Controller

nicolaoscon96
nicolaoscon96 over 7 years ago

Hello there,

 

It's been a while to write here and I came back with a question. I want to build a fan controller for my desktop pc and I wanted to build it with an Arduino (Just add some modes like gaming for full speed, office use for lower rpm and less noise)>>Where I will be able to control by sending a  number for example 1 for gaming mode 2 for office<<. I found some online and they are really cheap but I wanted to experiment with that. So I wanted to ask is this possible? Can I control (4 fans) with an Arduino and get feedback from them about the RPM and the voltage if it possible(have it connected with USB on my computer and read the output in Arduino IDE)? The fans that am using are 3 pins (black-red-yellow).

 

Thanks

nicolaoscon96

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  • koudelad
    koudelad over 7 years ago +7
    Hello, Honestly, the 8-bit microcontroller in Arduino won't have enough resources to do that. It only has 2 8-bit counters and one 16 bit counters. If you want to monitor 4 fans independently, you need…
  • shabaz
    shabaz over 7 years ago +6
    Hi Nicolas, If you want to do it accurately, as David says, you'll need different hardware. According to the link here: How PC Fans Work the three-wire fan uses it's third wire to provide speed feedback…
  • shabaz
    shabaz over 7 years ago in reply to gdstew +4
    Getting RPM feedback actually isn't the end goal. Why not sometimes actually try to understand the requirement, and form a more complete answer that helps the user? Just an opinion I've formed over the…
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  • franzl123
    franzl123 over 5 years ago

    Here is exactly what you are looking for: https://nerd-corner.com/arduino-fan-controller/ It is a Arduino Fan Controller.

    I also made some updates and added a Bluetooth classic module. Then I programmed an android app and now I can control my fan via bluetooth: https://nerd-corner.com/android-bluetooth-classic-app-for-arduino-fan-control/

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  • franzl123
    franzl123 over 5 years ago

    Here is exactly what you are looking for: https://nerd-corner.com/arduino-fan-controller/ It is a Arduino Fan Controller.

    I also made some updates and added a Bluetooth classic module. Then I programmed an android app and now I can control my fan via bluetooth: https://nerd-corner.com/android-bluetooth-classic-app-for-arduino-fan-control/

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