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 Post subject: The LCD thing
PostPosted: Sun Mar 22, 2009 3:36 pm 
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Joined: Tue Jan 13, 2009 8:26 am
Posts: 378
So, I found the two docs I was referring to which will teach you everything you ever wanted to know about interfacing with an LCD. I would attach them to this message but the forum won't allow PDF uploads, apparently.

Also, when I was at the Fridley Ax-man today, I found some 2x20 LCDs with LED backlights. Don't bother going up there- I bought all five of the ones they had. ;-) I don't recall seeing any of those at the other two Ax-man stores either, but who knows. They were only $1.95 each, which blew me out of the water. I'd expect to pay at least $5-$6 for those from anywhere else. I actually have quite the collection, now- three 2x24s with EL backlight, five 4x20s with (I think) EL backlight, and these 2x20s with LED backlight, plus one 2x24 that has no backlight and that I think I remember breaking but I don't know for sure.

Perhaps a future course covering these things might be in order. If anyone wants one to play around with, let me know- I'm certainly not using them at the moment.

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Mike H.
My maker blog


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 Post subject: Re: The LCD thing
PostPosted: Sun Mar 22, 2009 9:54 pm 
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Joined: Sun Jan 11, 2009 6:35 pm
Posts: 861
I bet there is an arduino library for it as well.


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 Post subject: Re: The LCD thing
PostPosted: Sun Mar 22, 2009 10:48 pm 
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Joined: Fri Jan 30, 2009 1:54 am
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Location: Coon Rapids
LadyAda did a tutorial: http://www.ladyada.net/learn/arduino/lcd.html

She uses this library: http://www.arduino.cc/playground/Code/LCD4BitLibrary


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