3
votes
1answer
88 views

What makes a display visible in daylight (such as the Pixel Qi)?

What characteristics of the Pixel Qi display make it visible under daylight conditions? It seems to have something to do with "daylight grayscale". But what exactly does "daylight grayscale" mean? ...
2
votes
1answer
110 views

Hantronix 20x2 LCD backlight

I recently got a big box of Hantronix 20x2 LCD from a friend. They appear to be the negative type, where the 'on' pixels appear as clear and the off are opaque. When he gave them to me he told me that ...
-2
votes
1answer
97 views

free drawing on a touch screen, interacting with physical objects [closed]

I am an hobbyist and having a plan to create my own drawing tablet, and still making ideas, I want to combine physical world with this thing, an idea that I have is that I want line that I draw with ...
1
vote
4answers
697 views

How do I exchange LCD display with 7-segment LED's?

I have bought a cheap radio controlled clock, and I want to make a hack that replaces the existing LCD display with 7-segment LED's. With my voltmeter in AC mode, I can measure voltages(with respect ...
3
votes
3answers
2k views

LCD / LED panel power consumption

Does an LCD or LED monitor consume lot more power if the pixels are changing their colors or does the backlight have way more impact on power consumption, which makes changing pixel colors' power ...
1
vote
2answers
227 views

How would I go about replacing a CCFL laptop LCD scrren backlight with LEDs?

Are there certain kinds of LED(s) that should be used? Is there a certain way the LED(s) should be put? If yes to any of these questions, why? Also, where is a good place from the laptop to get power ...
0
votes
3answers
679 views

How to figure out the pin out of this undocumented LCD?

I have a very tiny LCD ripped from a piece of electronic scrap. The LCD is about 1 inch by .25 inches. It does not include a backlight(it had an external LED functioning as the backlight) and is ...