Make a new style LED display board without multiplexing

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The_PinkFloyd_67
Posts: 110
Joined: 26 Mar 2011 10:45

Make a new style LED display board without multiplexing

#1 Post by The_PinkFloyd_67 » 24 May 2011 11:54

I would love to purchase a few boards with five or more 7 segment LED displays.
Your current boards are all multiplexed, like the Serial 7-Seg 8-Digit Board or the Serial 7-seg Display 2 Board.
I would like the new boards to simply supply the LED displays and perhaps display driver IC's that do not use Multiplexing. I am old school and love
to interface things the old fashioned way. I work quite often with 74xx series logic chips.

Thanks for considering this,
Pink Floyd

octal
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Joined: 09 Feb 2005 14:15
Location: France
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Re: Make a new style LED display board without multiplexing

#2 Post by octal » 24 May 2011 14:42

7+1dot = 8 pins + Gnd for each digit ... with 8 digits this would mean 64 pin ... a big bestie :(
http://www.pocketmt.com

The_PinkFloyd_67
Posts: 110
Joined: 26 Mar 2011 10:45

Re: Make a new style LED display board without multiplexing

#3 Post by The_PinkFloyd_67 » 26 May 2011 07:15

I know that it is a lot of connections. :) Perhaps if it is not practical to use 5 or more LED's, because of the large amount of connections needed, then boards with 2 or 3 LED's would still be very useful to me. In fact, I would just end up buying more. Now that I think about it, boards with just 2 LED's each would come in very handy for quite a few other ideas that I have in mind, such as simple voltage and current readouts for power supply circuits...etc.
Two LED's per board would be awesome. MikroElektronika, please consider this instead of my earlier idea of 5.

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slavisa.zlatanovic
mikroElektronika team
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Joined: 07 Apr 2009 09:39

Re: Make a new style LED display board without multiplexing

#4 Post by slavisa.zlatanovic » 26 May 2011 14:41

Hi The_PinkFloyd_67!
Two LED's per board would be awesome. MikroElektronika, please consider this instead of my earlier idea of 5.
I'll pass your request to our hardware developers.
It will be considered.
Best regards
Slavisa

ZASto
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Re: Make a new style LED display board without multiplexing

#5 Post by ZASto » 03 Jun 2011 14:49

7 segment LED displays with only a few used pins = 74HC595 per display + 3 pins from uC (SerialData, Clock, Latch)
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