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For questions related to the usage of fans on 3D Printers for the cooling of electronics *not* the print

2 votes
1 answer
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Connecting controller fan on RAMPS 1.4 for Marlin

I have radial fan with 2 pins connector and always kept it connected to GND/5V pins (marked J5 at the left bottom on pinout image for my controller board). I've stumbled upon the USE_CONTROLLER_FAN fe …
Eduard Sukharev's user avatar