I ordered a couple of these sainsmart ramps v2 boards to play with..I like the fact they can run on 12 or 24 volts plus it has a separate set of screw terminals for a fan..i also like the way the motor connections are done and the extra connections it has for hooking to separate larger stepper drivers.. I do however have a few questions about the changes that would need to be made to the firmware to run this board.i am running a highly modified version of marlin with my machines right now..but since this board has hook ups for two extruder heaters,a heated bed,and a fan i am guessing there is some changes that need to be made to make the fan hook up work?Also i am wondering if this board has the ability to run via bluetooth with a bluetooth module like the ramps1.4 can?
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