Re: off topic. electronics project
Paul Campbell <[email protected]>
| Newsgroups | gmane.org.user-groups.linux.dunedin.general |
|---|---|
| Message-ID | <22017117.J8hjq0fKBH@rata> |
On Tue, 02 Apr 2013 18:00:48 Jim Tittsler wrote: > On Fri, Mar 29, 2013 at 10:56 AM, greig corlett <[email protected]> wrote: > > I was hoping to be able to use a 3 terminal regulator like the lm317 with > > current boost transistors but since this regulator has a max voltage of > > 37v > > would not be suitable. > > One trick that I've used in the past is to raise the common pin of the > regulator using a zener diode. > > But this seems wasteful if the goal is battery charging. I wouldn't > expect the need for a terribly well regulated supply and would think > that you might be able to find one of the newer charge control ICs > which could be a better starting point. Greig - you may be interested in this article .... http://hackaday.com/2013/04/01/windmill-made-from-washing-machine-555-chip/ (making windmills with F&P motors) Paul _______________________________________________ DunLUG mailing list [email protected] http://lists.ethernal.org/listinfo/dunlug DunLUG Wiki - http://dunlug.kallisti.net.nz/