Electronics > Beginners
Driving random LCDs with Arduino? (Sharp XV-110ZM projector TFT LCDs)
Distelzombie:
Hi :)
I got some LCDs from old projectors. I want to use them with Arduino. Any Idea if that is possible with LCDs that are so proprietary, maybe?
Three from the very first LCD projector ever:
Sharp RUNTK0260CE 1701515H
... 1701534H
... 1702169H
They're slightly different in size.
And three from a modern LCD projector:
L3P08X-55G20 1-J-5296A7 M7
also slightly different numbers and dimensions. I don't know the manufacturer of these though.
I am mostly interested in the Sharp ones, because they are quite big. Two or three inches, but just 640*480. They also have pots on them that are labeled H-POS and H-HOLD, could be useful.
I found no information about these on the internet. Any tips?
Cliff Matthews:
That would likely end up being way more project than Arduino (and on limited AVR memory, not very interesting). Since VGA shields exist at $24 and projectors are commodity products under $68 why not consider that? It would still be a lot of fun to program and afterward, you'd still have a working projector :-+
Hmm... seems to be enough text room for a 10-bit, 6-channel voltmeter... (albeit with common grounds..)
Distelzombie:
I already have two projectors. Both already in the smallest pieces. Both were broken before I got them. And the PCB are mostly scrapped for parts.
I don't actually want a projector. I just want to drive these LCDs. I'll take a look at the VGA shield, thank you for telling me about it. :)
But is there a guarantee that it can run any of my LCDs? (This question can also be asked thusly: Can it run any LCD?)
Good thing about my LCDs is that they are raw. No backlight, no polarizer... I want it that way. I have the polarizer separate if I need them.
Distelzombie:
I was just thinking: Can you drive an LCD without a graphics shield/board? I guess I have to know what the pin-out of the displays is.
It's ok if the framerate is less than one per second, btw.
The displays have a driver onboard. Does anyone know what sort of interface that could be?
On the mainboard those were connected to is nothing to read. It was a very old projector: It had a Ultrasonic delay line in it. :-+ It was one of the first LCD projector: Sharp XV-110ZM
It uses TFT-LCDs and they do have polarizer on them, but just one. The other one was external.
james_s:
You'll probably need an FPGA for this, and a datasheet for the LCD, otherwise you'll have a big task of figuring out the pinout.
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