Martin McCormick wrote: > > Wouldn't the UV cause such a photo electric effect that one would > have to keep shutting down the light source to test for actual erasure? > I suspect that one would get false readings trying to zap and read at the > same time. Whatever you guy do, bear in mind that the UV rays will lay down plenty of static on any isolated object (- charge). Be sure to have pull downs on all the pins. -- Friendly Regards Tjaart van der Walt mailto:tjaart@wasp.co.za _____________________________________________________________ | WASP International http://www.wasp.co.za/~tjaart/index.html | | R&D Engineer : GSM peripheral services development | | Vehicle tracking | Telemetry systems | GSM data transfer | | Voice : +27-(0)11-622-8686 | Fax : +27-(0)11-622-8973 | | WGS-84 : 26010.52'S 28006.19'E | |_____________________________________________________________|