Up to 4 axis CNC cape for Beaglebone Black on Kickstarter

Hi,

I like to inform you about a new Kickstarter Project.
The project will provide an opto coupled CNC cape for the Beaglebone Black.

For more information look at the project page:

https://www.kickstarter.com/projects/necitec/up-to-4-axis-beaglebone-black-based-cnc-control?ref=nav_search

Andy

What is the difference to https://halaser.eu/e1701p.php or https://halaser.eu/e1701m.php ?