Double extruder on single hotend

[AleScrMaker]

I wish to personalize your source code adding the second extruder but I have only one hotend. I have a mega-x and I want to use the bltouch in future with your customized menu. how can I customize the source code?

[knutwurst]

Please take a look at the wiki. There you will find instructions on how to modify and compile the source code yourself.

[AleScrMaker]

Thank you to answered me. I’ve already read the wiki page and compile marlin but I’ve problem with z homing. When I start homing with g28 the printer don’t moving and in console appear echo:busy ecc. In order to move the axis it’s necessary restart the printer. I don’t understand why.
In last message I do a mistake. My printer is a mega s

[stklcode]

When I start homing with g28 the printer don’t moving and in console appear echo:busy ecc. In order to move the axis it’s necessary restart the printer. I don’t understand why. In last message I do a mistake. My printer is a mega s

Z axis homing is broken on current master branch, see #523 (German) or upstream issue MarlinFirmware/Marlin#27014
Try starting from the 1.5.3 for a codebase which is known to be working.

[AleScrMaker]

Ok, I'll try tomorrow. I have another question about the second extruder. I connected it to the motherboard using the e1 connector (originally anycubic connected the second z stepper on the e1 connector of the motherboard). which pin should I set in the source code?

[AleScrMaker]

hi, i tried the 1.5.3 release and the z axis move in the right direction but now the endstop doesn't work. Only x axis endstop works, the y and z axis move in the right direction but when the endstops are triggered the stepper continues to move and I'm forced to shut-down or reset the printer.