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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: National semiconductor LM 3915... NEW TOPIC NEW POLL POST REPLY
Y2KZX12R


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 		posted February 28, 2002 11:39 AM        
National semiconductor LM 3915...

Does anyone in here have a background in electronics that is familiar with dot/bar display drivers?
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Ninjaman12R


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 		posted February 28, 2002 12:08 PM        
What do you need to know....

Jim,
I may be able to help you, what exactly are you needing to know???
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Y2KZX12R


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 		posted February 28, 2002 12:14 PM        
I'm looking to drive 9 led's

I'm wondering if 10k pots on pins 6,7,and 8 will set the start and end volts for the 9 leds?

go to nationals web page under LM3915.

Thanks
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Ninjaman12R


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 		posted February 28, 2002 12:17 PM        
Ok...

I'll look into it and get back to you.
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Y2KZX12R


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 		posted February 28, 2002 12:19 PM        
thanks again
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Ninjaman12R


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 		posted February 28, 2002 12:50 PM        
Hey....

Are you wiring it for dot mode?
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What we're dealin' with here is a complete lack of respect for the law.

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Y2KZX12R


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 		posted February 28, 2002 03:32 PM        
yes
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swft


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 		posted February 28, 2002 06:15 PM        
Watcha trying to do?
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Y2KZX12R


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 		posted February 28, 2002 07:39 PM        
Control a set of LED's
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swft


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 		posted February 28, 2002 07:58 PM        
Like as in maybe a digital speedo for a 12?
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22348bCVC


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 		posted February 28, 2002 09:19 PM        
"....mmmmm...DEE-GEE-TAL SPEE-DOHHHH...."

-Homer Simpson
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Y2KZX12R


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 		posted March 01, 2002 03:10 AM        
No, as in a multicolor led readout for throttle position indication on the road.
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Ninjaman12R


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 		posted March 01, 2002 05:00 AM        
I haven't.....

I haven't forgot you Jim.
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swft


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 		posted March 01, 2002 07:00 AM        
Any wizzes out there want to make a digital speedo?
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22348bCVC


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 		posted March 01, 2002 09:08 AM        
DIGITAL SPEEDO

quote:
Any wizzes out there want to make a digital speedo?


...if memory serves me correctly, I think Ridgeracer would be the go-to man for the digital-speedo inquiries...Ridgeracer, are you there?...glad I'm not the only one who wants one on the 12R...
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Y2KZX12R


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 		posted March 01, 2002 12:16 PM        
I think the 3914 might be the one I need.
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