Barn Door Tracker Plans. A Barn Door Tracker mount is an inexpensive and very effective solution for taking long exposures of the night sky without producing star trails. A barn door tracker consists of two planks of wood, joined on one end with a movable hinge and at the other end an adjustable bolt that when rotated, elevates the top board higher.
This was a time in which access to electronics and micro-controllers would have been limited to specialized engineers and labs. Sliding, "barn-door" style hardware is all the rage in interior design. Want to be notified of new releases in phord/barn-door-tracker?
They not only give a tutorial, but you also get drawn out plans that describe the steps to you.
What I can tell you is they work well, and if you "Google" barn door mount, you will find loads of plans and ideas on the internet.
But after looking into the cost of all the components (accurate stepper motor. These types of doors are easily identifiable, thanks to the use of reclaimed wood and heavy hardware. I have built a few trackers over the last few years, using a slightly different design and a curved rod for greater tracking accuracy.