44 lines
2.4 KiB
Markdown
44 lines
2.4 KiB
Markdown
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# Universal K80 Cooling
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This will determine the speed your fan (connected to your Arduino) should run at based on the highest temperature
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between your GPUs, then will send that speed to your Arduino.
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---
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### How to use
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1. Connect the Arduino to the fan according to this diagram:
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1. #### Connect to the PWM wire, not TACH as is shown there! The color may change depending on your model of fan!
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1. Sorry for not making another diagram, I couldn't find any decent way to do so. Once I make a new diagram, I'll
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2. Connect the Arduino to your PC via USB, then find the port it's on and **set the port variable**.
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1. Instructions for finding the port are in the Python code.
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3. Revel in your success!
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1. If you plan to use this constantly, make sure to create a service that starts the Python code on boot.
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### My setup
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I use [this](https://www.thingiverse.com/thing:4960323) 3D-printed fan adapter for my Tesla K80; I highly recommend it.
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In the long-term, I'm planning to build my own front cover for my PC case (a Corsair 175R), and will have a spot for my
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Arduino and wiring in it.
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Pictures will be added later once my setup is complete. Don't expect it to happen anytime soon, though.
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---
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### Notes and Limitations:
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- This currently **only supports NVIDIA GPUs**
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- This currently **only supports normal PWM**, not delta PWM
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- **You will need to set the port of your arduino manually** (in the Python code as the `port` variable)
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- There are instructions on how to find the port in the code
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- Your **fan may use a different color scheme** for its wire, or have a black color scheme. Be sure to
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Google a diagram first.
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- You may need to change some variables in the Arduino code depending on your fan's specifications.
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- Try looking up a datasheet
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- This was designed for an Arduino Uno, and should work on one. I don't know about running it on anything else, though.
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---
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### Resources I used
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- Python-Arduino communications library - [pySerialTransfer](https://github.com/PowerBroker2/pySerialTransfer)
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- Arduino PWM fan control - [25 kHz 4 Pin PWM Fan Control with Arduino Uno](https://create.arduino.cc/projecthub/tylerpeppy/25-khz-4-pin-pwm-fan-control-with-arduino-uno-3005a1)
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- This is where I got the arduino-fan diagram from.
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