Caliper and Arduino i2c - measure 3D filament

I'm working on a filament extruder. Is better to make this by parts. An important part is the filament meter to keep the diameter always around 1.75mm. We read the data from the caliper using i2c and use that in the Arduino code.

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#caliper
#i2c
#Arduino

[JonathanDeWitt]

The mechanism which pulls the two bearings together using a rubber band with the filament going between is very clever. What a neat project. I really enjoyed it. Thanks Andrei.

[debochando]

oh my god man! I have been trying to find a way to read the data from the display from an old scale and I just couldnt do it! I started to build my own scale with my own load cells etc. And now, I find your video by accident! Amazing! Thank you so much, I think I will finally be able to finish the project as I originally intended to. Thank you so much!

[jasonm]

good luck with this project, an affordable open filament recycler is something that this hobby really needs.

[SteinErikDahle]

Finally an explanation of how digital calipers works! I have wondered about this for years... And what a brilliant design it is!

[joostwestra]

Nice project. You could also connect this inline on your 3d printer when printing (possibly inconsistent) Filament. And have the 3d printer dynamically adjust the feed rate.

[roelandriemens]

Great idea. Well done. Now I want to connect a banana to my arduino for even higher measuring resolution 😜

[krackpack]

I love how your project have a wide range keep it up

[AmitabhAnkur]

Your projects are very good. I like it very much. Keep going 👌👌👌👌

[owiela]

What an awesome project! Love the idea of making your own filament from all the 'waste' of 3D printing. That's why I have a big bag of filament waiting for a new purpose. I will steal this project one day!!

[cbmamiga]

It is not I2C protocol!! Just regular 2-wire (clock and data) serial transfer.

[atommeyer]

That is like super smart, you could correct for filament variance in real time!

[pathumpera]

Thank you so very much for this excellent video and really eagerly looking forward for the DIY extruder. I myself was collecting the necessary gear for this but really didn’t had much luck with a proper guide. So glad you are doing this. You are the best educator I have on YouTube.

[goodwill]

I don't need this function, but was always wondering how those pins works.
Thank you for tutorial, that was interesting.

[andr]

most informative part was I2c data goes from caliper. Thanks man!

[muhammadbasir]

I smile when i saw you put a magnet on the screw driver because i used to do that.

[RinksRides]

AWESOME! Great research and editing! I always wondered how inexpensive digital calps worked. Maybe could use this with digital calps, and arduino to input the dimensions into a CAD program, arduino typing as keyboard. Would speed up the inputting of the dimensions of your physical part into CAD.

[kaumohlamonyane]

Now this is an interesting project. I can't wait to see the final product 💯

[himanshujangra]

You are genius hacked digital calliper!!! 😁👍👍

[UpcycleElectronics]

These calipers can also be used for a Digital Read Out display (DRO) for manual machining.
I have wanted to try messing with cheap digital calipers for a long time but still haven't gotten around to it. I think you could also use these to make a linear drive system with absolute position sensing. Although I'm not 100% sure how well they can return to the zero position. I do find myself hitting the zero button quite often.
Thanks for the upload.
-Jake

[jedandecko]

Your best video so far, because I never seen anyone doing this, respect :) Keep them coming...