I will show you how to make a cool fan using a cpu cooler
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Step 1: What Do You Need?
-Arduino nano (you can use any other microcontroller)
-Clip for Battery
-3D printed parts(You can download mine or make your own)
Step 2: Fan Cables
You first need to conect the fan cables like shown in the picture. The black to the GND and the red to one side of the pushbutton (You don't need the yellow cable so you can cut it or just leave it to one side).
Step 3: The Battery
You need to connect the red cable to the 5V and the black to the GND of the arduino nano.
Step 4: Cable
You then need to connect another cable to the 5V of the arduino nano and to the other side of the pushbutton.
Step 5: Finally
The arduino nano should have ended up as shown in the photo and finally to make it beautiful you fit all the cables, battery and arduino in the 3D printed parts.
Step 6: Result
Your final result should be a simple, cute and useful fan.
Participated in the
Microcontroller Contest 2017