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Mark Jose wrote: > On Monday 13 August 2007 22:42, Rob Beard wrote: > >> Thats interesting, how did you convert them to IR? >> >> I'm really tempted to setup some cheap webcams as CCTV cameras in my >> house (either that or get a couple of network IP cameras). >> >> Rob > > My brother in law and I were messing around with a security camera which I > bought - it plugs into a TV card - for watching wildlife. We spent the whole > of one Christmas fiddling around with ideas and then he went away and ripped > a cheap cam apart to see what could be done. > He documented it on his site - > http://www.hoagieshouse.com/IR/ > The Chicony Twinklecams are almost exactly the same inside as the cam featured > in his strip down. Basically, it is a simple matter of opening the cam, > removing the little red filter and replacing it with the developed, but > unexposed negative - usually found at the start of a series of negatives. On > my Twinklecams, I used a couple of bits and, if you cut them approximately > the right size, you should be able to get away without making any little rigs > or using glue to hold them in place. > The cams themselves will see in IR once converted, but you ideally need a > light source if you intend to play outside at night. Inside, with the lights > on, you will see interesting things as shown on Geoffs site, but, if you have > IR lights then you can mess around outside in the dark. A normal torch, with > a full bottle of coke held in front of it makes a very cheap (but awkward) > test light. > > Mark > Thats really interesting. Looks like a good quality picture too. The output of my Twinklecam is a bit rough. Seems to have lots of noise on the image. Rob -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html