[RELEASE] ESP8266 / Arduino servo controlled smart blinds

Devices & Integrations Community Created Device Types
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264

But the blinds can’t move more than 180. And if you want to increase the torque, you would need a gear also. How are you going to get 270 reduced down to 180? You’re just going to only rotate the servo through 180 degrees of the 270. Again, what you are saying is not how it works. You have your servo directly tied to the post. That’s a 1:1 ratio. How are you going to rotate your blinds 270 degreess?

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Thanks Ryan780 for your remarks. I found the screws. Thanks for your attention

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Yes. What I am saying is you would need a gearbox like the one nafi posted just above and not directly couple the servo to the shaft. Using a 270 degree servo to rotate 180 degrees is a ration of 1.5 to 1. In this case a gear on the servo with 14 teeth connected to a gear on the blind shaft with 21 teeth would have the desired effect. A direct connection is easier, but I suspect the servo won’t last. Using the gearbox reduces the load on the servo by 1/3.

267

Greetings to all:
I have successfully completed the project with 180 deg servo motor. For me, I need to operate between 0 to 108 Deg to get close and open position of the blind. Thank you everyone for your help, posts and suggestions that helped me greatly.

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268

I would look at the ST_Anything Project. The servo library implemented there allows you to put the upper and lower limit when either 0 or 100% is passed to the device. It also allows you to set the movement speed as well as default positions for on and off.

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Thanks. I used ST_Anything with HE and working great.

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270

Could anyone please suggest me a good 3D printer? Under $700-800. Thanks

272

Doublepost sorry… but my answer is Creality Ender 3.

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Thanks Jani

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Is there any limitations that I should know if connecting more than one servo to one Arduino?

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I am using four servo and I think I can go to five with ESP8266-12E

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Are those 4 servos controlled somehow separately when behind one arduino? Can you for example command servo nr1 to turn 30 degrees and servo nr2 50 degrees.

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Yes, all four have their own parameters.!Please look into ST_Anything servo sketch. I am using exactly same sketch. I am planning to add fifth one soon. Max five is the best and reliable

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278

Beware that ST_Anything will stop working when the Groovy IDE shuts down at some point in the near future.

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279

That’s true and that’s sad. Do we need to build webcore pistons and send web requests to control them… oh my…

280

webCoRE is still Groovy code, and it will also cease to exist in its current form once the ST Groovy IDE is shut down. It is unclear whether or not there will be any sort of replacement for webCoRE prior to Samsung shutting down the legacy Groovy IDE.

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I’m using Ryan’s ST_anything.ino and there is a line which says “port for hubitat” and there is line for hubitat hub ip address too.

What do I need to do to get these blinds to work with hubitat?
I mean I probably need to uncomment hubitat port line from sketch and add right ip address for hubitat but what after that? Is there a smartapp to hubitat same way as ST has?

Anyone?

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Please see the Hubitat Community’s HubDuino thread. There is also a ReadMe is the HubDuino folder of the ST_Anything GitHub repository.

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283

Thanks…I’m there now :smiley:

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Hello Ben,

What make and model are your blinds? Are they from https://www.clickforblinds.com/

The reason i’m asking is that those blinds use an axle that is not in the center. It looks a lot like yours.