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An award-winning LCD with an Arduino built-in (using only 2 pins)

blog.arduino.cc

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Re: An award-winning LCD with an Arduino built-in (using only 2 pins)

#11

Post by joezydeco »

tedivm wrote: post #9

I know people are saying this is a bit steeply prices, but I think this is perfect. I've been looking at the various options and they typically all require three components- the touchscreen/lcd itself, a controller board of some sort, and then the Arduino itself. Then you have to actually put it all together, and as people have mentioned you end up with a lot more than two pins being used. This one at Adafruit costs…

It's a nice project. I've purchased stuff from EarthLCD before and they're a good group. Those complaining about the price probably have never tried tooling their own kapton/copper flex circuit.

Re: An award-winning LCD with an Arduino built-in (using only 2 pins)

#12

Post by thecodeman »

dirktheman wrote: post #5

It looks cool, but the price is a bit steep. You can get a touchscreen LCD from Adafruit at $39.95 ( http://www.adafruit.com/products/1651 ). You still need to buy an Arduino, but they're cheaper than $45,-. I've bought Chinese Uno V2's for less than $15 a piece.

You could do it cheaper but you would run out of code space quick taking care of the graphics. on the arLCD the onboard PIC Micro takes care of all the graphics. You just tell it where to put a widget and it takes care of the rest .

Re: An award-winning LCD with an Arduino built-in (using only 2 pins)

#13

Post by ama729 »

> 320 x 240 Resolution

Aside from the fact that's for an arduino, which probably mean very low power available, does anybody knows why all those hobbyist LCD are so low in term of resolution?

It seem impossible to find something higher than VGA on mouser or even Alibaba, much less a reasonably priced HD screen. Where are all those glorious smartphone screen?

(I'm talking about small screen, but even larger one are not that much better)

Re: An award-winning LCD with an Arduino built-in (using only 2 pins)

#14

Post by gerbal »

ama729 wrote: post #13

> 320 x 240 Resolution Aside from the fact that's for an arduino, which probably mean very low power available, does anybody knows why all those hobbyist LCD are so low in term of resolution? It seem impossible to find something higher than VGA on mouser or even Alibaba, much less a reasonably priced HD screen. Where are all those glorious smartphone screen? (I'm talking about small screen, but even larger one are no…

I'd never though I'd say this, but 320x240 may be enough resolution. Especially at 3.5 inches and for hobbyist projects. All the projects I can think of to use this are for simple notification-style display and maybe one finger interaction.

Re: An award-winning LCD with an Arduino built-in (using only 2 pins)

#15

Post by DanBC »

ama729 wrote: post #13

> 320 x 240 Resolution Aside from the fact that's for an arduino, which probably mean very low power available, does anybody knows why all those hobbyist LCD are so low in term of resolution? It seem impossible to find something higher than VGA on mouser or even Alibaba, much less a reasonably priced HD screen. Where are all those glorious smartphone screen? (I'm talking about small screen, but even larger one are no…

http://www.mikroe.com/add-on-boards/display/

Mikroelectronika have some interesting displays but they're all little.

Re: An award-winning LCD with an Arduino built-in (using only 2 pins)

#16

Post by ama729 »

DanBC wrote: post #15
ama729 wrote: post #13

> 320 x 240 Resolution Aside from the fact that's for an arduino, which probably mean very low power available, does anybody knows why all those hobbyist LCD are so low in term of resolution? It seem impossible to find something higher than VGA on mouser or even Alibaba, much less a reasonably priced HD screen. Where are all those glorious smartphone screen? (I'm talking about small screen, but even larger one are no…

http://www.mikroe.com/add-on-boards/display/ Mikroelectronika have some interesting displays but they're all little.

Could you point out where are the HD screen? I tried to look, but all of them seem to be 320x240 or lower, which is what I was complaining about :).

Re: An award-winning LCD with an Arduino built-in (using only 2 pins)

#17

Post by ama729 »

gerbal wrote: post #14
ama729 wrote: post #13

> 320 x 240 Resolution Aside from the fact that's for an arduino, which probably mean very low power available, does anybody knows why all those hobbyist LCD are so low in term of resolution? It seem impossible to find something higher than VGA on mouser or even Alibaba, much less a reasonably priced HD screen. Where are all those glorious smartphone screen? (I'm talking about small screen, but even larger one are no…

I'd never though I'd say this, but 320x240 may be enough resolution. Especially at 3.5 inches and for hobbyist projects. All the projects I can think of to use this are for simple notification-style display and maybe one finger interaction.

A DIY smartphone seem something where having a good screen would be a plus, or everything photo where color accuracy and resolution are important.

I was looking to make an EVF[1] for my DSLR a while ago for example.

[1] http://en.wikipedia.org/wiki/Electronic_viewfinder

Re: An award-winning LCD with an Arduino built-in (using only 2 pins)

#18

Post by hahainternet »

ama729 wrote: post #17
gerbal wrote: post #14

Earlier quoted context omitted.

I'd never though I'd say this, but 320x240 may be enough resolution. Especially at 3.5 inches and for hobbyist projects. All the projects I can think of to use this are for simple notification-style display and maybe one finger interaction.

A DIY smartphone seem something where having a good screen would be a plus, or everything photo where color accuracy and resolution are important. I was looking to make an EVF[1] for my DSLR a while ago for example. [1] http://en.wikipedia.org/wiki/Electronic_viewfinder

I use my Android as an EVF / remote controller for my 550d. It's pretty damn useful and you can pick up a second hand phone for basically nothing.

Re: An award-winning LCD with an Arduino built-in (using only 2 pins)

#19

Post by ama729 »

hahainternet wrote: post #18
ama729 wrote: post #17

Earlier quoted context omitted.

A DIY smartphone seem something where having a good screen would be a plus, or everything photo where color accuracy and resolution are important. I was looking to make an EVF[1] for my DSLR a while ago for example. [1] http://en.wikipedia.org/wiki/Electronic_viewfinder

I use my Android as an EVF / remote controller for my 550d. It's pretty damn useful and you can pick up a second hand phone for basically nothing.

Never heard of that, that seem interesting, would you happen to have a link with more information?

Re: An award-winning LCD with an Arduino built-in (using only 2 pins)

#20

Post by bigiain »

ama729 wrote: post #13

> 320 x 240 Resolution Aside from the fact that's for an arduino, which probably mean very low power available, does anybody knows why all those hobbyist LCD are so low in term of resolution? It seem impossible to find something higher than VGA on mouser or even Alibaba, much less a reasonably priced HD screen. Where are all those glorious smartphone screen? (I'm talking about small screen, but even larger one are no…

I'm guessing these are all "left over" or superseded feature phone components. I've got a few from a couple of years back that are explicitly sold as "Nokia screens" and all the library code makes it pretty clear they're Nokia 3xxx series phone parts.

The "hobbyist LCD" market doesn't get purpose designed components - not at the volumes and prices hobbyists are prepared/capable of buying. We get to re-use end-of-life components or buy the end-of-reel scraps from current product manufacture. (which is fine by me. I love being able to buy accurate 9DOF IMUs, but I sure as hell don't want to order them in reels of 10,000 un-hand-solderable SMD parts)

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