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by m4xi3d
Fri Aug 04, 2017 12:30 am
Forum: Firmware
Topic: Firmware for geeetech 3D printers
Replies: 388
Views: 17383235

Re: Firmware for geeetech 3D printers

Hey I am also new to 3D Printing and struggling with the Firmware.
I have a acrylic geeetech i3 pro b.
I downloaded the previous marlin version in this Thread and changed the steps per mm for my new lead screw.
If I try to upload it, it alsways displays this message:


avrdude: ser_open(): can't ...

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