omarbAugust 6, 2019 at 10:08 #25389
Hello everybody i’ve just built my first polograph machine followign this instructable https://www.instructables.com/id/Polargraph-Drawbot/ using the ramps 1.4 i’ve just uploaded the firmware to the board and i can controll it with the makelangelo software but the problem is that when i plug the lcd it dosen’t work i just get a blue screen and i’ve uploaded the same firrware as the instructable i have a reprap 12864 lcd does anyobdy knows how i can solve this problem thanks and i’m a beginner on this like said i’ve just finished building it today
3iDanAugust 6, 2019 at 10:09 #25451
The instructable firmware instructions are probably out of date. Try this:omarbAugust 6, 2019 at 11:47 #25459
i did that, with no luck lcd still blank
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