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Smallest Color Display with Arduino Library
Moderators: adafruit_support_bill, adafruit

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Smallest Color Display with Arduino Library

by ShaneShuford on Thu Dec 06, 2012 1:47 pm

As the title says, i'm looking for the smallest possible color display that allready has an arduino library with it. the smaller the better.
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Re: Smallest Color Display with Arduino Library

by adafruit_support_bill on Thu Dec 06, 2012 2:14 pm

This is the smallest color display we stock. It is supported by our GFX Library http://learn.adafruit.com/adafruit-gfx- ... y/overview

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Re: Smallest Color Display with Arduino Library

by ShaneShuford on Thu Dec 06, 2012 2:33 pm

http://www.adafruit.com/products/684
? this one?
is the .96 the screen only? or + the board around it?
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Re: Smallest Color Display with Arduino Library

by adafruit_support_bill on Thu Dec 06, 2012 2:41 pm

That's the one. The 0.96" is the screen diagonal measurement. The board is 31.5mm x 35.5 x 5mm.

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Re: Smallest Color Display with Arduino Library

by ShaneShuford on Thu Dec 06, 2012 6:08 pm

too big, nothing like this? http://www.weartronics.com/products/320M

does this 320m have a library for the arduino? would it be possible to make one?
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Re: Smallest Color Display with Arduino Library

by adafruit_support_bill on Thu Dec 06, 2012 6:35 pm

That's an impressive little display, but more than the Arduino can reasonably drive. The display buffer alone is 76.8Kb (assuming 8-bit pixels) vs the 2Kb RAM available on the Arduino UNO. You should look into something like the Raspberry Pi or Beagle Bone to drive that.

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Re: Smallest Color Display with Arduino Library

by ShaneShuford on Thu Dec 06, 2012 8:04 pm

the device i'm creating will be hooked up to a computer via USB. can the arduino not act as a middle man between the display and the computer?

also, strange as it may sound. i need the screen to emit light to cast a reflection on a piece of glass. i don't think this device emits light, but oled displays do.. i think.
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Re: Smallest Color Display with Arduino Library

by adafruit_support_bill on Fri Dec 07, 2012 6:56 am

the device i'm creating will be hooked up to a computer via USB. can the arduino not act as a middle man between the display and the computer?

The Arduino's USB connection is as a virtual serial port with a maximum speed of 115K bits/sec - or approximately 12 bytes per second. Assuming no additional processing or communication overhead, the fastest screen paint (76.8 K pixels) would be somewhere north of 6 seconds.

Sounds like you are creating a head-up display. Oleds are a good choice for reflective displays. Some have experimented with transmission type displays by removing the backlight module from LCD displays.

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Re: Smallest Color Display with Arduino Library

by ShaneShuford on Fri Dec 07, 2012 2:25 pm

heads up display, or augmented reality.
i found that if i cast a different reflection of the same object slightly offset in each eye it looks like a 3d object in front of you.
if you scrape the label off of an old CD the plastic is clear, but also acts like a mirror at the same time.

you pick up clues really well!
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Please be positive and constructive with your questions and comments.