Awe! But I really love the smell of melted silicon in the morning. If all I had to look forward to after a long bout of soldering was the click of a current limiting power supply, I might just drop the hobby all together. :-D ----- Original Message ----- From: "Jesse Lackey" To: Sent: Friday, April 23, 2004 2:12 AM Subject: Re: [EE:] Power Supplies > Spend the $58 and get a current-limited supply. That feature alone is > worth it. I've saved many buggy boards by having the current limit trip > and not destroy a board while I figure out what's wrong. > > The wall-warts I totally agree with. I have a bin of them from misc > wherever - trash, flea markets, household electronic junk friends are > tossing, etc., and I use them all the time for one-offs I give to > clients. You do have to watch the voltages out, but most circuits I > wind up making are 7805 @ < 200mA and its hard to go wrong. > > J > > > William Chops Westfield wrote: > > On Wednesday, Apr 21, 2004, at 23:54 US/Pacific, Robert B. wrote: > > > >> $50 I would definitely go for. > >> > > > > http://www.elexp.com/tst_1802.htm is $58 (plus postage/etc. sigh.) > > > > You have some leeway in your lm317 design. Should be good for at least > > 500mA with a heatsink. > > > > I'm starting to be a fan of wall warts of assorted types. They can > > usually be plucked out of the trash. Some aren't regulated at all, but > > others deliver the same sort of convenient voltages as a PC supply in a > > much nicer package... > > > > BillW > > > > -- > > http://www.piclist.com hint: The list server can filter out subtopics > > (like ads or off topics) for you. See http://www.piclist.com/#topics > > > > > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.