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Author Message   Roland Schregle Rating: N/A Votes: 0 Posted on Friday, August 19, 2005 - 07:37 am:    Hi Rob, thanks for the info. So I need to specifically look for CsS photoresistors, right? Do your schematics list any specific type? I see a bunch of photoresistors in Reichelt's catalog, though CdS isn't mentioned anywhere. The resistance at 10 lx is indicated and ranges between 16 and 340 kOhms, depending on type. I'll try RS components, since I've managed to get some exotic stuff from them in the past. Btw, still haven't managed to extract the old ones. I've removed the retaining clip, but the eyepiece-and-cell assembly doesn't detach so easily (yet). Regards, --Roland