Blind Controller Magnetic End Stops

This is an attachment for a standard blind cord for to use as a magnetic end-stop sensor with the Alexa controlled automatic blind controller.

The Blind Controller currently operates up and down blind movements based on calibrated times. This works fine most of the time but does require some patience to set-up and over time can drift resulting in the blinds over or under shooting their intended end point.

To solve this I have been working on a magnetic sensor that attaches to the accessory