Roller blinder motor holder for windows

thingiverse

This build was inspired by https://www.thingiverse.com/thing:2392856. Since my blinds are way smaller, hang on the window frame and i wanted to use the existing second holder, i designed one myself. The spindle is for 17mm blind shafts, and is directly driven by a stepper (i used the 28BYJ-48 from pgotes build). The stepper is attached with two small 3mm screws and nuts. The design of the star is a littel ugly, since i'm also new to cad design and that was the best i could do :) Fits perfectly, although i'm still in the building phase for the rest. I plan to use one ESP32 / ESP8266 to control three blinds directly next to each other, and add a button or so for direct control. As for software i will give ESPHome a try (mentioned https://www.thingiverse.com/thing:3788157/comments) which should allow multiple steppers and integrates nicely in home assistant. I will add some after-pictures after installation.