Motorised blinds

This project uses a 28BYJ-48 5V stepper motor to change the angle of a set of vertical blinds (it is not powerful enough to raise a roller blind). The motor is mounted vertically below the end of the blinds and drives the pull cord, so no modification of the blinds is required. The drive wheel fits a pull cord with 3mm diameter beads, 4mm apart. First push the drive wheel onto the motor and then seat the motor in the motor case. Then do a test fitting so that you can mark the holes in the wall w