I know the folks that were the first to commercialize hugh VGA/LED billboard signs. Their biggest design headache was power. The best choice to get them to market in needed timeframe was to buy skids full of PC PS's for each sign. Again, already listed, ready to go... > > > On Fri, 8 Mar 2002 10:37:00 +0200 "Peter L. Peres" > writes: > > > > Aren't many modular SMPSUs shipped like that ? Things like PC PSUs > > and > > such ? They have a UL listing and a mains power female connector > > (and > > sometimes a builtin power switch). You have to mount them inside (or > > bolt > > on) your equipment and voila. Or almost ? > > > > Peter > > > I think they are, but switchers are quite a bit more > money. We're > getting a 12V 500mA wall wart for about $3. Switchers seems > to start in > the $10 to $20 area... > > Harold > -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads