hello I am currently making a device using H-Bot. (Only the xy axis was used. not z and e axis!) What i want is to stop at a specific coordinate. I'm trying to make the xy axis move, Which part of the marlin firmware should I change? Or, Is it better to make a completely new code?

Change lines 40 to 50 in the code You didn't post.

Marlin is CNC control firmware for, usually, 3D printers. It receives G code to control stepper motors, servo motors, heaters and fans. If you only want to move the x and y axes, only send G code to control those axes. [image] overtouque: I'm trying to make the xy axis move, Then you need …

thx for your answer. i'll try. but do i have to use CNC Shield? (is it possible without CNC shield?) i want to connect a4988(x2) to raspberrypi pico or Arduino uno(v3) directly.

You do not have to use the CNC shield to run Grbl. I like them because they make it convenient. If you use Grbl without the CNC shield, Grbl expects the use of certain pins for functions. For example X axis step pin is pin 2, dir pin is pin 5. Below shows the Grbl pin mapping. [cnc shield Uno…

Question about remodeling marlin firmware

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Question about remodeling marlin firmware

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