Path: utzoo!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!samsung!munnari.oz.au!comp.vuw.ac.nz!kaukau.comp.vuw.ac.nz!waikato!spt From: spt@waikato.ac.nz (Simon Travaglia) Newsgroups: sci.electronics Subject: Re: Xenon flasher Message-ID: <1990Jan15.214459.6707@waikato.ac.nz> Date: 15 Jan 90 21:44:59 GMT References: <10224@microsoft.UUCP> Organization: University of Waikato, Hamilton, New Zealand Lines: 22 By Xenon flashers I assume you mean strobe lights? ETI regularly (annually, bi-annual) publishes a circuit book with the BEST OF it's past circuits. There is usually always a new and improved circuit for a strobe light there. The whole thing is fairly simple, uses recified mains (noisy as you like) to charge a cap, then an SCR to trigger the discharge of the cap into a coil, which steps the volts up to 4k or so. Words of warning: Be bloody careful with these things they can give you a nasty shock. (Even when they are turned off, because of the large cap - I got a belt off one and would not like to repeat the experience. Always check your earths twice. I don't know whether it would kill you or not, but it IS sufficient to make you sit down. -- %SYS-E-NOSIG, signature file mutilated by foreign power. %SYS-I-DEFSIG, using emergency signature Simon Travaglia, University of Waikato, Hamilton, New Zealand. Disclaimer: "Sorry about that cheif!"