but not all is rosy. there was a BIG BIG problem. when i tried to remote control the canvas to be pulled up, there wasnt enough friction between the motor and the internal diameter of the steel tube thus the canvas cant move up :curse: buang la! do so much and still fail... cui! i had to think of other ways but it failed. finally i decided to drill and screw the canvas to the steel tube and to the motor inside. after everything, here is a video of our remote controlled 12 feet roller blinds in the living room. total costs is $740 for both automated blinds. shiok can?! success!
in the video, the blinds have been programmed to stop at a certain height.