On Tue, May 8, 2012 at 2:46 PM, Steve Gray <email@example.com> wrote: > Hi Ethan, > > I have looked for mono lcd screens on ebay for exactly the same purpose and > haven't had any luck. the occasional one would be listed but at ridiculous > prices. Obviously, I'm not interested in ridiculous prices. > I think you'd be better off with a color panel. VGA LCD monitors are > quite cheap but these days it's hard to find one that syncs down low enough. A standard VGA panel will _not_ sync down to 15KHz, which is why I wasn't looking at those. > I have an NEC 1550M unit that syncs down to 15kHz and I was hoping to try to > hook that up to the pet somehow. I think you need to adjust the voltage > levels though. Level adjustment is easy enough - a simple voltage divider, or MOSFET circuit or possibly even a 4066 should do the trick. > The other option is to go with a TV-type LCD unit that accepts composite, > and just make a small adapter to convert the PET signals to composite. You > can buy a small pre-made board on ebay for $25, but it's really just a > single chip that should only cost a buck or so. I know how to build a composite adapter for the PET, but having done it in the past, I was less than thrilled with the results (adjustment fiddliness and picture that was not rock-steady and sharp, unlike a "real" PET display). -ethan Message was sent through the cbm-hackers mailing listReceived on 2012-05-08 19:00:31
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