<font face="Arial, Verdana">I built a my first 3D printer last month, and after several upgrades it is mostly a prusa i3...</font>
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<font face="Arial, Verdana">I have two MK8 extruders (thermal probes, steppers, and heating resistors on both), servo and switch for z-probe (on Z-Max), I also have a cooling fan for cooling extruded material (with PWM), and a F</font>ull Graphic Smart LCD Controller with SD card.
<font face="Arial, Verdana">the problem I have is I can't get everyone to play together, and at this point I don't even know if its possible to have all those things going at the same time without interfering with something else as far as pins go.</font>
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<font face="Arial, Verdana">I'm not sure if anyone has made it work without the need for another board via I2C or have used multiplexing, but any ideas or links would be great!</font>
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<font face="Arial, Verdana">Thanks,</font>
<font face="Arial, Verdana">Nate_Bro</font>