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#12494 |

They both require electrical connections and you’ll need to print a housing and connect the fan and driver either way. The jtech is a bit easier to tune and doesn’t require a firnware mod because it’ll accept the 12v pwm fan output from the ramps board while the diy option requires 5v pwm. I think the diy option with the test load is very easy to tune but will require more work up front to construct the diode and resistor assembly. It took me ten minutes to solder mine together but this is all subjective. If you’ve done any soldering before then it’ll be a piece of cake.