Add A Red Dot Pointer To A K40 Laser Cutter

Add A Red Dot Pointer To A K40 Laser Cutter

If you’ve used a K40 laser cutter, then you probably know that it’s quite difficult to position the laser for a cut. This leads to you often wasting material around the edges of a cut, where you could have positioned the laser closer, or positioning it too close to the edge and causing the cut...

Wiring details for NEJE Laser Engraver GRBL upgrade

Wiring details for NEJE Laser Engraver GRBL upgrade

This is an in-depth explanation of all the electrical and signal wiring for the NEJE Laser Engraver full-GRBL upgrade. Please see the first video (https://youtube.com/watch?v=2rbzI-d-bOA&t=2529s) for details of installing the new board and setting the driver voltage. All the wiring diagrams and images mentioned in the video are on the main GitHub page: https://github.com/xunker/neje_laser_upgrades Power...

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