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Aruduino and Stepper Motor driven automatic Window Tilt mechanism — image 1
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Aruduino and Stepper Motor driven automatic Window Tilt mechanism

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Automatic window tilt mechanism to get fresh air in the sleeping room without the needto have the window open all night.

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Model information

Category
Bedroom
License
Creative Commons — Attribution — Noncommercial

Here are some files that make a automatic Window-Tilt mechanism. This is common in the EU but unknown in other parts of the world. You could adapt the design to other window open and close mechanisms…

It is controlled by an Arduino ESP8266 D1 mini, a stepper Driver TMC2209 and of course a NEMA 17 stepper Motor.

Software wise, it is just a Tasmota Rolling Shutter (https://tasmota.github.io/docs/Blinds-and-Shutters/). I included the Backup File of my Tasmota.

Added to that you just need a lead screw and a mount for that (basic 3D printer tools) and some basic mounting options like screws and shims.

Project info (sorry german): https://community.hom.ee/t/fensterkipper-mit-homee-und-esp8266-d1-mini/44498/16

I printed all in ABS, some parts with 42%, some with 100% infill.

You will need to calibrate the software to your stepper speed (I use the maximum of 20000) and open and close times for your window. Just ask if you are interested.

I plan to modify the window hook with some metal, maybe aluminum (for less thick of material behind the window).

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