steve@tla.co.nz wrote: >>We got as far as 6A output before running out of 12V input supply (at >>his place, 2A at my place, which is the basis of the page) > > > Just add a lead-acid capacitor. Very handy for these situations. > > Steve. Exactly what I do when I need tens of amps for a while. You can get "7Ah" (yeah right) UPS batteries through eBay pretty cheap. Just float them at 5-10mA when not in use. -- Martin K http://wwia.org/sgroup/biofuel/ -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist