Summer! It is getting hotter and hotter and here is the perfect cooling.
2 x M4 x 16 hex screw
4 x M4 x 35 hex screw
10 x 4,3 washer
6 x M4 self-locking nut
1x Ø120mm fan 12V
1x Power Converter Modul XL6009 (trim to 12V-14v)
1x MICRO USB zu DIP 5-Pin
1x Push Button 16mm + Led 5V - self locking
Solder + solder iron
Thanks to the modular possibility, you can also build a fume extraction system with the same parts.
Here you need a activated carbon filter, 130 x 130 x 10, like this: