> Dale Botkin wrote:
>
> > On Sun, 3 Mar 2002, cflat@ev1.net wrote:
> >
> > > Hi all,
> > > I am reading a value (0-5volts) from the A/D on a PIC16F877 and I
> > > want to display it as sort of a bar graph along the 2nd line of the
> > > 2X16 LCD display to show a relative strength indication.  Does
> > > anyone know of any code out there already?  I just thought I'd ask
> > > before I reinvent the wheel.
> >
> > I don't have any code per se, but it's a very, very small wheel...
> >
> > Your ADC output will be 10 bits, from 0 to 1023.  Shift it to the right
> > six times (divide by 64) and you have the number of block characters or
> > whatever to print on your LCD.  Of course if you're using the ADC in
> 8-bit
> > mode, just use the upper 4 bits for the number of blocks to print.
> Heck,
> > I could even do that in assembly!  8-)
> >
> > Dale
> >
>
        -----Original Message-----
        From:   David P. Harris [SMTP:dpharris@TELUS.NET]
        Sent:   Sunday, March 03, 2002 9:26 PM
        To:     PICLIST@MITVMA.MIT.EDU
        Subject:        Re: Bar graph code?

        Also remember that you can define 8 characters in the LCD, so you
could
        increase the resolution to 2^7 = 128.
        David

The characters are only 5 pixels wide (on standard LCD's), so that gives a
maximum resolution of 5*16=80 in the horizontal posistion.

Mike

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