Servo Coupling - The servo coupling is designed to fit any standard servo accessories and will attach to the servo using the screws provided with the servo. I have included both the ready to print STL files and also the raw Fusion 360 files if you need to adjust any of the dimensions or shapes as not every blind is the same unfortunately! Here is a brief explanation of each Model below: If you do not own a 3D printer then there are various online services that will print the parts for you for a small cost.
Ok so below I have included all the required 3D files to create the Smart Blinds. The reason for removing this pulley is because it creates too much resistance on the servo motor, causing the motor to stall and therefore cannot physically move the blinds. The second image shows how the insides will look once the old pulley is removed.
#ROLLER SHADE CONTROL BY ALEXA MANUAL#
It should leave you with the rod where it was located and also there should be a hole where the pulley strings ran through, this is where the buttons for manual control will be located. This is everything that needs to be removed. Remove this (Please keep it as its needed later) and then slide the pulley system towards the end of the rod. Once these are removed, there will be a little holding washer on the hexagonal or square rod running through the system. It is just a case of removing the end of the string hanging down (There is a knot located in the end of each string).
Once you have located this, you then need to remove it from the blinds. It will look similar to the first image (This has already been taken out of the blinds) The first thing you need to do is find the side in which the current pulley system is located that allows you open and close the blinds. Ok so the first bit sounds a bit scary but it is very straight forward and generally most blinds use the same system, all be it with looking slightly different!
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