How necessary is the fan on top of the circuit board? If I need a replacement what are the specs? 24v 60mm x 10mm?
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It’s pretty important to keep things cool, but the exact airflow isn’t critical. I made it bigger than necessary just to make it a little quieter. It’s 24 volts and the control signal is on or off, no pwm for speed (although you could add that if needed)
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