In message <20050803234856.GB9729@naxs.net> Matthew Miller wrote: > Now [EE] was put in the subject for a reason... ;) You must not be aware of > the paragon of efficiency that is the LM3909. I have LED flashers that run > for years on one 1.5V D battery! I have no more LM3909 chips though. I'm > looking for a replacement, one that doesn't cost $10 a chip. Build one out of SMD transistors and other bits? Is there a block diagram or schematic in the datasheet? Later. -- Phil. | Acorn RiscPC600 SA220 64MB+6GB 100baseT philpem@philpem.me.uk | Athlon64 3200+ A8VDeluxe R2 512MB+100GB http://www.philpem.me.uk/ | Sony MZ-N710 NetMD Minidisc ... Get 'em by the balls and their hearts and minds will follow. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist