The construction of my "epic camera slider". 48" Travel, optical sensor triggered polarity switching (automatic reverse), variable speed drive (PWM) 56rpm gear motor (swappable with a 17rpm for very slow timelapse) and a custom made telescoping stand. Total cost roughly $250 or less in parts and materials. Many parts for this build were purchased from www.servocity.com PART 2 is here    • Custom stand build for my motorized c...