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    Ultimaker Original
  1. This is my first request for help from any forum, so please take it easy on me. I'm building a monster (5' X 5' X 5') printer after owning two kits. Because of the weight of the gantry system, I'm engineering it to have high torque stepper motors on each corner so my Z-axis will have 4 steppers. To compensate for the current draw, I've purchased adapters to allow for multiple motor drivers off of the single Z port of my Ultimaker 1.5.7 PCB. My thought is to parallel only the data signal off of the PCB and use a separate power supply that can handle the load to power the drivers. If this will not work, will a current amplifier do the trick? Attached are pictures of the drivers I have. If this has already been addressed, please add the link to your reply. If there is a more appropriate venue for what I need, please let me know. Thanks
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