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'LCD Display'
1996\06\13@103450 by Donald F. Wright Jr.

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I am looking for a display for a project I am doing with PIC's and might be
biting off more than I can chew.  I "want" a display like the ones used in
portable game units like the Sega Game gear.  It is a small Color LCD
display about 4" x 5".  Anybody have any knowledge or experience using
anything like this?  I basically want something nice and colorful to display
information on.  It is for a senior project and the more creative and
colorful, the better the grade.  Thanks!


  Donald Frederick Wright Jr.
  School info: Lawrence Technological University
  E-mail: spam_OUTDW79208TakeThisOuTspamLTU.EDU
  Work Info: AVL North America
  E-mail: .....DNWRIGHTKILLspamspam@spam@AVLNA.COM

1996\06\13@140333 by John Payson

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> I am looking for a display for a project I am doing with PIC's and might be
> biting off more than I can chew.  I "want" a display like the ones used in
> portable game units like the Sega Game gear.  It is a small Color LCD
> display about 4" x 5".  Anybody have any knowledge or experience using
> anything like this?  I basically want something nice and colorful to display
> information on.  It is for a senior project and the more creative and
> colorful, the better the grade.  Thanks!

Do you care about having the thing produce any useful information, or just
about it being colorful?  If the latter, you could probably use a PIC16C84,
a PLD, a few resistors, and an NPN transistor to generate color video but
your resolution would be pretty limitted (about 160 pixels across MAX; 80
pixels across for most hardcoded data).

1996\06\13@141201 by Eric Smith

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> I "want" a display like the ones used in portable game units like the
> Sega Game gear.  It is a small Color LCD display about 4" x 5".

Halted Electronics in Santa Clara, CA has some active matrix LCDs perhaps
3" x 4" which accept R, G, B, and composite sync inputs.  No composite
video input, so if you want to use a video source you'll have to come
up with a decoder.  Includes a backlight with an inverter to drive it.
I think they are asking about $80.

Cheers,
Eric

1996\06\13@171629 by Peter L. Taylor

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-- [ From: Peter L. Taylor * EMC.Ver #2.5.02 ] --


> > I "want" a display like the ones used in portable game units like the
> > Sega Game gear.  It is a small Color LCD display about 4" x 5".
>
> Halted Electronics in Santa Clara, CA has some active matrix LCDs perhaps
3" x
> 4" which accept R, G, B, and composite sync inputs.  No composite video
input,
> so if you want to use a video source you'll have to come up with a decoder
.
> Includes a backlight with an inverter to drive it. I think they are asking
> about $80.

How would one contact Halted Electronics?

--
Peter L. Taylor
~~~~~~~~~~~~~~~~~~~~~~~~
Email: petertspamKILLspamtransera.com
~~~~~~~~~~~~~~~~~~~~~~~~
http://www.transera.com
~~~~~~~~~~~~~~~~~~~~~~~~
TransEra Corp.
345 East 800 South
Orem, Utah 84058
~~~~~~~~~~~~~~~~~~~~~~~~
Voice:  (801)224-6550
Fax:    (801)224-0355
~~~~~~~~~~~~~~~~~~~~~~~~


'LCD display'
1997\04\18@002605 by deicide
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I have a 2 x 20 line LCD display......controlled by an HD66702A00
chip...which seems to take the same commands as an HD44780....I am
currently using my basic stamp 2 to run it because i am too lazy to go
out and buy a crystal.....amd i need to know how to get text to display
on the second line...:)
i make messages go by on the first line...but i don't know how to make
text go to the second line...
The program that i am using has two commands...one to put
characters...and one to send commands.....is there a command i can send
to make the display shift between lines????
I want to take this LCD screen to a job interview at a computer place
with their company name on it....but a 2 line display wth only one line
used looks funny...:)

PS...i'm 17...and its an easy computer assembly job....some
repairing.....so something like this ought to impress em...:)......(i'll
leave the wires hangin out...look all technical...)

1997\04\18@013348 by Andrew Warren

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deicide@ATHEIST.COM <.....PICLISTKILLspamspam.....MITVMA.MIT.EDU> wrote:

> I have a 2 x 20 line LCD display......controlled by an HD66702A00
> chip...which seems to take the same commands as an HD44780....I am
> currently using my basic stamp 2 to run it because i am too lazy to
> go out and buy a crystal.....amd i need to know how to get text to
> display on the second line...:) i make messages go by on the first
> line...but i don't know how to make text go to the second line...
> The program that i am using has two commands...one to put
> characters...and one to send commands.....is there a command i can
> send to make the display shift between lines????

   The second line of the LCD (no matter how wide the display is)
   starts at address 40 hex.  To display text on the second line,
   move the cursor to address 40 by sending a "C0 (hex)" command to
   the display.

   -Andy

=== Andrew Warren - EraseMEfastfwdspam_OUTspamTakeThisOuTix.netcom.com
=== Fast Forward Engineering, Vista, California
=== http://www.geocities.com/SiliconValley/2499

1997\04\18@051816 by Jim Main

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In article <199704180531.AAA01367spamspam_OUTdfw-ix7.ix.netcom.com>, Andrew Warren
<@spam@fastfwdKILLspamspamIX.NETCOM.COM> writes
>    The second line of the LCD (no matter how wide the display is)
>    starts at address 40 hex.  To display text on the second line,
>    move the cursor to address 40 by sending a "C0 (hex)" command to
>    the display.
Andy,

you mean 40 decimal don't you (28h) ?  This worked for me at least when
I hit this one..

Jim
--
Jim Main

1997\04\18@063439 by Andrew Warren

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I wrote:

> The second line of the LCD (no matter how wide the display is)
> starts at address 40 hex.

and Jim Main <KILLspamPICLISTKILLspamspamMITVMA.MIT.EDU> replied:

> you mean 40 decimal don't you (28h) ?  This worked for me at least
> when I hit this one..

   Jim:

   No, I meant 40 hex.  Perhaps there's some variation among LCD
   controllers, but I've never seen a two-line LCD whose second line
   started anywhere but at 0x40.

   -Andy

=== Andrew Warren - RemoveMEfastfwdTakeThisOuTspamix.netcom.com
=== Fast Forward Engineering, Vista, California
=== http://www.geocities.com/SiliconValley/2499

1997\04\18@102136 by Jim Main

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In article <spamBeGone199704181031.FAA07166spamBeGonespamdfw-ix1.ix.netcom.com>, Andrew Warren
<TakeThisOuTfastfwdEraseMEspamspam_OUTIX.NETCOM.COM> writes
>    Jim:
>
>    No, I meant 40 hex.  Perhaps there's some variation among LCD
>    controllers, but I've never seen a two-line LCD whose second line
>    started anywhere but at 0x40.

my mistake - I was thinking about one line displays (where the second
half of a 16 x1 display starts at 0x28)

Jim

--
Jim Main

1997\04\18@144441 by Andrew Warren

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Jim Main <RemoveMEPICLISTspamTakeThisOuTMITVMA.MIT.EDU> wrote:

> my mistake - I was thinking about one line displays (where the
> second half of a 16 x1 display starts at 0x28)

Jim:

Hmm... All the 16x1 displays I've used ALSO start the second half of
the line at address 0x40.

-Andy

=== Andrew Warren - fastfwdEraseMEspam.....ix.netcom.com
=== Fast Forward Engineering, Vista, California
=== http://www.geocities.com/SiliconValley/2499

1997\04\18@182125 by Tony Matthews

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deicide@ATHEIST.COM wrote:
>
> I have a 2 x 20 line LCD display......controlled by an HD66702A00
> chip...which seems to take the same commands as an HD44780....I am
> currently using my basic stamp 2 to run it because i am too lazy to go
> out and buy a crystal.....amd i need to know how to get text to display
> on the second line...:)
> i make messages go by on the first line...but i don't know how to make
> text go to the second line...
> The program that i am using has two commands...one to put
> characters...and one to send commands.....is there a command i can send
> to make the display shift between lines????
> I want to take this LCD screen to a job interview at a computer place
> with their company name on it....but a 2 line display wth only one line
> used looks funny...:)
>
> PS...i'm 17...and its an easy computer assembly job....some
> repairing.....so something like this ought to impress em...:)......(i'll
> leave the wires hangin out...look all technical...)
set register select to 0 instruction:
send 11000000 to module (next line)
send 00000001 "" ""     (clear screen)
send 10000011 "" ""     (start three spaces in)
etc....
have fun   Tony M.


'LCD display'
1998\05\06@011001 by nd Georg Andersen
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Hie everyone.

I need a LCD display and wan to connect it through a shift register(serial
in and parallel out). I want to use the Hitachi 44780 LCD or something that
has the same pin combinations.

Does anyone know where to get hold of these two components fast and cheap ?

take it easy people.

trond

1998\05\07@021442 by Dr. Imre Bartfai

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I recommend as shift register the 74164. It works fine over 20 MHz, and if
needed can drive even LED. The A and B inputs should be tied or either of
them can be pulled up permanently. I think Hitachi is to be gotten "off
the shelf".
Regards,
Imre


On Tue, 5 May 1998, Trond Georg Andersen wrote:

{Quote hidden}

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