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Click Digit - Electromagnetic 3D Printed 7 Segment

This is a 3D printed Electromagnetic 7 Segment display.
Click Digit

7segments7segments
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arduino 3d printing solenoid magnet 7 segment display Click Digit

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This project was created on 03/08/2020 and last updated 4 years ago.

Description

This is a 3D printed Electromagnetic 7 Segment display. 7 Bifilar Coils are wound around 3D printed bobbins. The magnetic field created by the coils will either attract or repel the 7 individual segments, showing or hiding the segments to display the desired Digit. Magnets hold each segment in their current state allow the digit to stay in its current state without any power. Arduino controlled, 8 can be chained together.

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Files

20190616_123849.jpg

Bifilar Coils wound on 3D printed Bobbins. Used for showing or Hiding individual segments. https://www.youtube.com/watch?v=4_Y66WMLHno

JPEG Image - 632.13 kB - 03/08/2020 at 18:41

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Mike Szczys wrote 03/16/2020 at 19:36 • point

Wow! That image of the coils should definitely be in your writeup so more people get to see it. Any chance you'll share more info on these? I'd love to be able to build one of my own :-D

  Are you sure? yes | no

7segments wrote 03/17/2020 at 00:51 • point

In the next few months i am planning on documenting, so anyone can make their own.

  Are you sure? yes | no

Dan Maloney wrote 03/11/2020 at 17:03 • point

Whoa - winding all those coils must have been quite a chore! Excellent dedication, and great results - looks like these came from a commercial display.

  Are you sure? yes | no

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