DIY Motorize & Automate 25mm / 1'' size Blinds. Without using MQTT

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1

Low price automation of blinds. Blinds are also cheap.

I use ESP8266 with firmware that is native to Home Assistant. Without using MQTT.

Parts

  1. Leroy Merlin Blinds Inspire 100x160 cm aluminum color white * 3 pieces
  2. 28BYJ-48 5V 4 Phase DC Gear Stepper Motor + ULN2003 Driver Board * 3 pieces
  3. LOLIN D1 mini V3.1.0 - WEMOS WIFI Internet of Things development board based ESP8266 * 3 pieces
  4. AC-DC 100-240V To 5V 2.5A Switching Power Supply Module * 1 piece

ESPHome firmware

I use ESPHome Hass.io Add-On to compile:

Home Assistant\ESPHome

Automation rule for Home Assistant

Depending on the light level, the blinds rotate 90 degrees.

Home Assistant\Integrations

Photos

https://github.com/empenoso/diy-cheap-automated-blinds/blob/77b96b45cd8adfa583ec9ba330cebb6f013b57cd/IMG_20191026_101014.jpghttps://github.com/empenoso/diy-cheap-automated-blinds/raw/master/IMG_20191026_101014.jpg(image larger than 3072KB)
Photos Photos

Advantages and Disadvantages of the Project

  • Cheap.

  • ESP8266 does not know the current position of the blinds. Sometimes you have to spin manually by a command from the Home Assistant interface.

4 Likes
2

Cool project

I would love to see a few more photos of the mechanical assembly with motor and how it is coupled to the blinds.

I have done a similar project but I use a DC motor (not stepper or servo) and I have a 4 bit graycode encoder in the other end of the blind with 5 wires (4 bits and ground) going back to the processor. I use an i2c port expander for this because my ESP8266 controls two blinds

3

Here are more pictures:

https://github.com/empenoso/diy-cheap-automated-blinds/blob/046f9c780c3654b2f40a34dc2427143fb0a283f7/IMG_20191119_165431.jpghttps://github.com/empenoso/diy-cheap-automated-blinds/raw/master/IMG_20191119_165431.jpg(image larger than 3072KB)
https://github.com/empenoso/diy-cheap-automated-blinds/blob/046f9c780c3654b2f40a34dc2427143fb0a283f7/IMG_20191119_165528.jpghttps://github.com/empenoso/diy-cheap-automated-blinds/raw/master/IMG_20191119_165528.jpg(image larger than 3072KB)
https://github.com/empenoso/diy-cheap-automated-blinds/blob/046f9c780c3654b2f40a34dc2427143fb0a283f7/IMG_20191119_165636.jpghttps://github.com/empenoso/diy-cheap-automated-blinds/raw/master/IMG_20191119_165636.jpg(image larger than 3072KB)

4

Great work. I like the way you have mounted the stepper.

And nice to see a project implemented on a 25 mm (1") size blinds. All projects I have seen earlier were with the 50 mm (2") size blinds that are more common in North America

Interesting way you have coupled the motor to the tilt rod.

I used a brass coupler like this from Ebay

image

Really cool project. Thanks for sharing

5

Thanks for your feedback! And thanks for the wishes for improving the project.

6

What a great job it is.

I want to make it like you

also want to find how to connected machanical components.

thx for your good idea and sharing.

7

Thanks for your feedback. Please view photos here: https://github.com/empenoso/diy-cheap-automated-blinds#photos-top

8

I also have 1 inch blinds and am interested in doing this. How did you attach the motor to the rod?
Nm, found my answer on your git