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Arduino Forum Searching for parts LARGE 7 segment displays
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  • sports_technology
  • led
  • electrical
  • arduino
Related

Searching for parts LARGE 7 segment displays

Former Member
Former Member over 14 years ago

I'm working on a clock to be run off an arduino. I have most of my hardware down, including an LED controller chip, an RTC breakout board, etc. I have hooked up some 7 segment LEDs and am working on the code, but I have one big problem:

 

My project calls for very large displays. specifically, I'm looking to match the displays here, which look to be 7" (5.25" character height) dual character displays. they also interestingly have commas in the corner (instead of the decimal point on most 7 segment displays).

 

I've looked on various sites (octopart, jameco, many many more) but so far havent come up with many options. I found a 7" single character on sale at a couple sites (including element14), but it isn't a great match. I know there must be more variety made, as I see these all the time for scoreboards and such.

 

Does anyone know where I might find these displays?

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  • johnbeetem
    johnbeetem over 12 years ago +1
    Every large 7-segment LED display I've seen uses rows of normal-size LEDs for each segment, probably hooked up in series and driven through constant-current voltage-boost LED drivers. You can use plastic…
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  • Former Member
    Former Member over 14 years ago

    I would consider making your own diplay. It would be a bit of work, but I think in the end more cost effective. You can get tons of LEDs off of eBay for dirt cheap and probably find some parts at Michaels for encasings. How big do you want it, how much are you willing to spend and how clean do you want it to look?

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  • Former Member
    Former Member over 14 years ago

    I would consider making your own diplay. It would be a bit of work, but I think in the end more cost effective. You can get tons of LEDs off of eBay for dirt cheap and probably find some parts at Michaels for encasings. How big do you want it, how much are you willing to spend and how clean do you want it to look?

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