A Belt and Pulley on the X-Axis by Jerry D.
When Jerry was faced with a problem of not having drivers with enough current to drive the x-axis of his blackFoot. Jerry had the HobbyCNC 3/4 axis driver board, but the drivers are underpowered for this machine, so Jerry think of an alternative to purchasing new drivers, he solves the problem mechanically.

Laser Mirror Alignment Tutorial for Vertical Laser XL
In this series we'll be explaining how to align the laser mirrors on your Vertical Laser XL machine. Note that these techniques can also be used for alignment on the blackTooth laser cutter and engraver.

Laser Controller Tutorial Part 3: Wiring Motors to Drivers and Calculating Steps Per Inch
In this series we'll be examining how to install the laser control unit. We will start with the basic wiring and move all the way up to software and functions.