How do I update laser web, I typed CD Laserweb; chmod +x update.sh;

Lasers
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1

How do I update laser web, I typed CD Laserweb; chmod +x update.sh; ./update.sh

Said chmod not recognized?

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Awesome thank you, I had asked a question a while back under another blog about #define laser_PWM xxxxxx // HERTZ because laser performs differently when this value is not set correctly for whichever program being ran ie laser web, inkscape plugin, j-tech, imag2gcode etc. After digging and digging I couldn’t find much of an answer so I decided to play with inputs based on code being used in Marlin and gcode files. I ended up using (50000/2) // HERTZ and seemed to work but I have no way to know for sure since I’m clearly not a code guy. Some programs would only work at 25000 HERTZ while others required 50000 HERTZ. Did I do right, did this fix the issue or mask it? Just don’t want to hurt the laser or process by just changing in and out numbers i know nothing about. Also getting low memory error from all the added bloat in the firmware left over from modded 3dprinting firmware. Thanks again

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Which board specifically and is the mod much different than what I have with Marlin or will it be plug in play ?

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Checked out boards on ebay there are several types which do you suggest and will it connect in the same way the ramps did?