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@kdaffy The manual laser power setting has no effect on G-code, you need to change the laser max on the design screen and regenerate the G-code.

@Gaëtan-ROLLET Did you configure the firmware BEFORE connecting power? If not, you may have damaged the gears inside the servo but you can set to servo mode and then see if it works.

@liping I could easily do that, but why are you are using raster with a pen? Use vector, it's much faster.

If you need help to generate the file just let me know, you can email me the design if you prefer.

@gecko4 On the calibration screen, enter 100 for expected and measured on X & Y, 20 as expected and 5 as measured for Z, then click calibrate.

@spawnreaper T2Laser works great with the EleksDraw, don't change firmware just set laser max to 50 and then connect.

@Antonio-D'Elia There is a free trial but limited to 10,000 lines of G-code, so after testing if you like it then you would register to remove these restrictions.

@Antonio-D'Elia T2Laser includes the device driver and firmware, no other download is required. Just go to my website and follow the getting started guide.

@HS-O You can use the DRV8825 as a replacement, I prefer them myself but you do need to set the current limit if you haven't already done so. That's probably why it's getting hot.

@liping The trial is limited to 10,000 lines of raster and 1,000 lines of vector G-code, you can check the simulation "view" to see what was generated and will be sent to your machine.

@fuentalba It could be the diode has failed or perhaps your parameters have changed.