Problem: unexecteted reser of board about lasergrbl HOT 8 CLOSED

Detach CO2 tube and its driver board from elegoo controller and test it without laser.
Does it does the same issue?

from lasergrbl.

no, if i disconnect pin11 from board all movement is correct and job finish without problem

from lasergrbl.

To me this says two things.

First hypothesis: your laser consumes too much current and the power supply can't handle it (it has a drop in voltage that resets the board) but I would exclude it because if I understand correctly you have separate power supplies.

Second hypothesis: the laser causes electrical disturbances that make you reset the board. I see you use an Arduino UNO clone, some of them are not so good in handling electromagnetic disturbs. Many people have solved all their problems by simply buying an original arduino board.

from lasergrbl.

I suggest also an opto-insulator on pin 11

from lasergrbl.

Let me know further updates to your issue.

from lasergrbl.

i bought an optoinsulator and seems to be working properly, but its output courrent is too low and when is connectet to controller laser pin voltate drop from 5v to 1.2v.
I waiting a new component (a simply level shifter) to have a correct input voltage on laser.
As soon as it arrives and I test it, I'll write you if it worked. Meanwhile I thank you for the suggestions, it seems to be going in the right direction

from lasergrbl.

With level shifter not working, but i build this circuit and works:

I need duplicate schema because this circuit invert signal

from lasergrbl.

That's great!

from lasergrbl.