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Documents Hand Soldered LED Oscilloscope -- Episode 408
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  • Author Author: rjena
  • Date Created: 13 Aug 2019 2:39 PM Date Created
  • Last Updated Last Updated: 23 Aug 2019 7:24 AM
  • Views 2187 views
  • Likes 11 likes
  • Comments 3 comments

Hand Soldered LED Oscilloscope -- Episode 408

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LED oscilloscopes can be cheap and fascinating tools to look at some curvy signals, but the resolution is so poor! When Dave decided to build an XY LED oscilloscope, he wanted to go bigger as well and solder up 400 10mm LEDs. With an XY oscilloscope, you can take a look at Lissajous figures and even watch oscilloscope music on it!

Bill of Materials

Product Name Manufacturer Quantity Buy Kit
 LED KINGBRIGHT 400 Buy Now
PCB, Pad Per Hole MCM 1 Buy Now
74HC540N NEXPERIA 3 Buy Now

 

 

Additional Parts:

 

Product Name Quantity
LM3914 Bar/Dot LED driver 1
1k, 2k2 1/2W resistors 1
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Hand Soldered LED Oscilloscope

element14 presents  |  About davedarko  |  Project Videos

  • 4069
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  • lots of leds
  • 74hc540
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  • engineers nootebook
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  • led
  • no arduino
  • kingbright
  • leds
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  • davedarko - dave plöeger
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Top Comments

  • DAB
    DAB over 6 years ago +1
    Interesting project. DAB
  • kmikemoo
    kmikemoo over 6 years ago +1
    That was really cool. I never knew such a thing existed. It's kind of hypnotic. Put something like that on your desk and just watch the people get pulled in. I wonder if I can voltage divide this to get…
  • davedarko
    davedarko over 6 years ago in reply to kmikemoo +1
    Thanks! You would need another frequency to show mains, otherwise if the frequencies are the same then you will only get a diagonal line. There are some pretty cool oscilloscope music videos on youtube…
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  • DAB
    DAB over 6 years ago

    Interesting project.

     

    DAB

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  • DAB
    DAB over 6 years ago

    Interesting project.

     

    DAB

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