As today standards, Python can be used for almost anything, including help to control the temperature of your favorite single board
Python can be used for almost anything, including help to control the temperature of your favorite single-board computer. As great as SBCs are today, most of them get pretty hot if you let them run for a while, shortening their lifespan and throttling their performance.
So, let me put a simple 5v or 12v fan on my SBC and all problems are solved, right? Not so fast. A twenty-four hour, seven days a week running fan will mostly drive you crazy with the noise, will last for a short period before needs replacement, and utilize unnecessary energy.
Now we’re getting somewhere. Let’s use python to set up a simple script that checks if the temperature is higher than a threshold and turn on the fan. Since most of the fans run on 5V or more (and most GPIO pins are 3.3V), I will be using a PNP transistor, so when the GPIO output is low, the transistor operates (this allows more flexibility with the transistor model).
1 Orange Pi or Raspberry Pi
1 PNP transistor (BC 327 in the example for 5v fan)
Heat shrinking tubing
A fan (5v or 12v)
This tutorial is meant to help you to build a fan controller for your Orange Pi/Raspberry Pi. The following steps require some knowledge of electronics, electrical systems, and IT. If you follow those steps, you are at your own risk.
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