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Subject: Re: External Serial LCD Display / Keypad

Re: External Serial LCD Display / Keypad

From: Andy Finney <>
Date: Sat, 7 Aug 2004 19:20:15 +0000 (UTC)

Thanks for the info.

I have checked the electronics on the back of my LCD and it turns out
that I have a lightly different model that cant be modded for TTL.

So that leaves me with 2 options - the serial mod with an RS232 level
converter or using a micro-controller.

Which of these options is the easiest? I am guessing the serial mod as
I can just use standard RS232 without worrying about collisions etc.

Is it pretty straightforward to send/receive commands via the modded
serial port? Are there any examples that anybody has? I just want to
find out how involved it is before I go and find my soldering iron!


Received on 2004-08-07

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