Dean Wrote.

> Hi,
>
> Is it feasible to use an eight digit LCD from an inexpensive calculator ($2
> Aus) as a display for a PIC16F87X?  The "Sweda brand" calculator I have in
> front of me has 27 contacts to the display and the IC is covered with a drop
> of polymer.  Is it common for these devices to have a driver IC or can code
> replace the need for a driver IC?

You can drive the LCD with a PIC as long as you
remember the LCD must see an AC drive (DC will destroy
the display).
AFAIR Microchip have an App Note on this topic.



_____________________________

Lance Allen
Technical Officer
Uni of Auckland
Psych Dept
New Zealand

www.psych.auckland.ac.nz

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