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Topic: looking for cheap programmable displays? (Read 1 time) previous topic - next topic

JustXtreme

I'm a big newb when it comes to this so please bare with me.
I'm looking for a display that i can load text or image onto and then have it keep that image with just power running to it, does anyone know of a solution for this?
Does the Nokia Display have to have the arduino hooked up to it for the display to stay on it?
http://www.sparkfun.com/products/10168

to have a small lcd screen display what is loaded in my coke machine.
So for example I would take the screen out of the machine load the image or text (via arduino maybe?) then plug it back into the power source.

AWOL

Quote
please bare with me.

Not on a first date.
"Pete, it's a fool looks for logic in the chambers of the human heart." Ulysses Everett McGill.
Do not send technical questions via personal messaging - they will be ignored.

Senso

No, those displays dont have any memory that will keep its data after power off.
You can use some displays from 4D systems, but by the price, you can get a simple barebones ARduino, only atmega chip, crystal, caps and V reg mounted in the back of that nokia display for less.

JustXtreme

:( i was afraid of that, ok. well i guess i'll have to stick with my paper inserts.
i would have to make five of them.

Senso

Using an lcd to display a static image for ever is also note a very good use for them...

liudr


Using an lcd to display a static image for ever is also note a very good use for them...


Actually it's OK. The liquid crystals are driven by AC generated inside the circuit so they won't be stuck as a bad pixel. Driving LC with DC voltage is bad but the circuit takes care of that already.

What you could do is as suggested, buy a cheap arduino to drive the LCD, like RBBB. Then you can have a magnetic sensor near the display. If you bring a magnet to it, you're pushing the magnetic button and the arduino cycles through 5 choices much like a list. How does that sound?

Senso

What I wanted to say is if there will NO use for the display, them just use some glossy paper and print it, will actually have better resolution.

JustXtreme

liudr
that sounds pretty sweet,
i was thinking about going all out with a touch screen display and using a arduino to trigger the switches, BUT i'm not that good yet.
maybe one day.

liudr


liudr
that sounds pretty sweet,
i was thinking about going all out with a touch screen display and using a arduino to trigger the switches, BUT i'm not that good yet.
maybe one day.


I use Hall effect magnetic sensor on my persistence of vision display:

http://liudr.wordpress.com/gadget/

ITead

#9
Mar 30, 2011, 09:32 am Last Edit: Mar 31, 2011, 09:54 am by ITead Reason: 1
:P Nokia 5110 at $7.5 $6.8 : http://iteadstudio.com/store/index.php?main_page=product_info&cPath=3&products_id=155&zenid=efscc20sp8decajjrr1r3pu8d0
And a shield that make it easy with Arduino : http://iteadstudio.com/store/index.php?main_page=product_info&cPath=18&products_id=308&zenid=c6rgrsh9jksigfrkk6j5sp3sa1

:%  [Disclaimer - This is our online shop]  - -After I reply the pose and now get a new 3x3 keypad shield that also compatible with Nokia 5110: http://iteadstudio.com/store/index.php?main_page=product_info&cPath=18&products_id=351

Still looking for some more idea of the shield using this 5110 screen ,may be a joystick with 2 circle button ;)
Itead Studio - Make innovation easier

mowcius

I think there should be a disclaimer there

Like: [Disclaimer - This is my own webstore]

westfw

Most of the character displays (16x2 using "Hitachi" controllers, as support by the LCD library) will hold whatever you last printed to them.  I was doing some labs in a class, and the LCD on the eval board retained the display from "lab 2" all through "lab 3", even though lab 3 didn't use the display at all, and the microcontroller was completely reprogrammed with the lab3 code...

Senso

It only hold the data if you don't disconnect power.

mowcius

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It only hold the data if you don't disconnect power.

Yes... Nobody said anything about removing the power (apart from the example)

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