Any help for a couple of very inexperienced beginners would be appreciated. I've found a few solutions in various forums but they either didn't work or were too complicated for us to implement. Neither of us a experienced with code writing so we need something that will require minimal modification to make it work. I've scoured everywhere and can't find a GRBL download that's dedicated to the MEGA2560. I have googled for 'ramps 1.4 pinout' but I can't find anything that lists the actual hardware pin numbers (I have found a list of arduino pin numbers though). After more research, it appears that standard GRBL may not be compatible with GRBL. I researched and found the different pin outs for the MEGA and made the adjustments. Additionally, the slight changes to the code is easily possible with the Arduino IDE and thus 3D printing programs can be customized according to user requirements. Arduino Mega 2560 has the power to process these complex algorithms required for 3D printing. We can't control the steppers in any fashion. 3D Printing: Algorithms play a signicant role in implementation of 3D printers. So I decided to go ahead and order the MEGA 2560 in order to advance the plan thinking the more memory would help. There were two things that concerned me, one we had a error on compilation but it still downloaded, and two weeks got a warning get that GRBL use most of the available memory on the UNO. We even downloaded a file to simulate a run. We hooked everything up to the UNO, downloaded IDE, GRBL, G-Code sender, all the current editions. I purchased 3 NEMA 24 stepper motors, and three TB6600 Chinese stepper motor controllers and a power supply. I helped him research and we put a plan together to get the Arduino controlling the steppers motors before we went further. He approached me about building a 3D printer and I told him if he could do that then he should be able to build me a cnc controlled Plasma cutting table for my business. He purchased a genuine Arduino UNO from Amazon. My son and I are very, very new to Arduino and new to microcontroller in general.
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