Homemade chest display - esbSubscribe
  1. hamsandwich72's Avatar
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    Apr 11, 2016, 11:58 AM - Homemade chest display - esb #1

    Just wanted to post some video of my (in progress) chest display. The 7 segment displays I have are too big and I will eventually have to move the whole thing to a "real" circuit board.

    Enjoy!

    https://youtu.be/G5EO3-6Hru8

    Edit: Completed project video here https://youtu.be/okiGSEh_B_M
    Last edited by hamsandwich72; Jun 5, 2016 at 8:34 PM.
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  3. Kokuma's Avatar
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    Apr 11, 2016, 2:23 PM - Re: Homemade chest display - esb #2

    nice work, what did you use to program the sequence?
  4. hamsandwich72's Avatar
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    Apr 11, 2016, 3:12 PM - Re: Homemade chest display - esb #3

    An arduino (pro mini)
  5. Member Since
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    Apr 11, 2016, 3:14 PM - Re: Homemade chest display - esb #4

    Your chest display looks great.
  6. emme3's Avatar
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    Apr 12, 2016, 12:09 PM - Re: Homemade chest display - esb #5

    great!
  7. hamsandwich72's Avatar
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    Apr 16, 2016, 1:11 PM - Re: Homemade chest display - esb #6

    Thank you. I really appreciate the feedback!
  8. hamsandwich72's Avatar
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    Apr 29, 2016, 8:02 AM - Re: Homemade chest display - esb #7

    Technical update: I finally got the smaller 7 segment LEDs. They took forever because I (accidentally) ordered them from China. Plugged them into the breadboard and after a short re-wiring, the prototype is fully functional. (yay!) I've also been playing around with Eagle CAD to lay out the circuit. It's probably about 80% there. I printed it out and the LED's and Adruino fit the profile in the circuit.

    Up next is to finish the lay out and transfer it to copper. Option A is to print the circuit on glossy magazine paper and transfer (via hot iron) to the copper. Option B is to have a friend print it on his vinyl cutter. Either way, after the transfer, in it goes to the acid bath for etching. (I'm very excited for this part)
  9. Member Since
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    May 21, 2016, 12:21 AM - Re: Homemade chest display - esb #8

    Really cool.
  10. hamsandwich72's Avatar
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    May 23, 2016, 3:18 PM - Re: Homemade chest display - esb #9

    Errrr. Well the image transfer didn't go so well. I got about 80% of the image transferred very well, 10% transferred so-so, and 10% didn't transfer at all. Tried glossy magazine paper and even tried photo paper printed at the office supply store.

    Off to China they go for professional fabrication. Another update in three weeks or so...
  11. hamsandwich72's Avatar
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    Jun 4, 2016, 10:54 PM - Re: Homemade chest display - esb #10

    img_1417-jpg

    The boards came back much earlier than I expected. They look great. Hopefully I can assemble everything tomorrow. Very excited!!
  12. hamsandwich72's Avatar
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    Jun 5, 2016, 8:32 PM - Re: Homemade chest display - esb #11

    img_1414-jpg

    Job's finished. Video here https://youtu.be/okiGSEh_B_M
  13. cyberpyrot's Avatar
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    Jun 5, 2016, 8:55 PM - Re: Homemade chest display - esb #12

    Quote hamsandwich72 said: View Post
    img_1414-jpg

    Job's finished. Video here https://youtu.be/okiGSEh_B_M
    Great job next order service mount parts from mouser.com and get it micro sized

    surface mount segmented leds LED Displays & Accessories | Mouser

    image-jpeg
    Last edited by cyberpyrot; Jun 5, 2016 at 9:01 PM.
  14. hamsandwich72's Avatar
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    Jun 5, 2016, 10:15 PM - Re: Homemade chest display - esb #13

    Yeah, the SMT stuff is a little beyond my abilities.
  15. cyberpyrot's Avatar
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    Jun 6, 2016, 1:34 PM - Re: Homemade chest display - esb #14

    Quote hamsandwich72 said: View Post
    Yeah, the SMT stuff is a little beyond my abilities.
    Bull**** it's not as hard as it looks if you get the board printed for surface mount it's easy
  16. ryan101011's Avatar
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    Jun 7, 2016, 6:02 AM - Re: Homemade chest display - esb #15

    this is nice, need to make one for myself after I paint my chest.

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