Google for "Megasquirt" and "Megaspark" - the websites and forums associated with the above will give you everything you need to know to build/design your own unit (even if its just a kick in the right direction ;-) ) Dom ----- Original Message ----- From: "Denny Esterline" To: "Microcontroller discussion list - Public." Sent: Sunday, April 30, 2006 6:12 PM Subject: [EE]: Automotive engine controller > I've been asked to provide some guidance / mentoring for the local > university's formula SAE race team's electrical group. (~450 Lb car with a > 600cc fuel injected 4-cyl motorcycle engine) There's some fairly arbitrary > rules in the event that significantly favor teams that build the engine > controller from scratch, so it's being considered. Obviously this is a > off-road experimental application so the "normal" regulations don't apply. > > I was hoping to tap into the list's collective experience for any good > reference material, first hand experiences, perils and pitfalls to avoid - > that sort of thing. > > The one they're using this year seems to be implemented with a couple of > lookup tables (rpm and throttle position => fuel injector PWM, rpm and > throttle => spark timing with a temperature correction) A couple of quick > calculations suggest that that could be implemented on a decent sized PIC. > But obviously there are some details missing in that arrangement. (exhaust > O2, intake air temp, manifold pressure, etc) > > I await your guidance, oh great list :-) > > -Denny > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.1.385 / Virus Database: 268.5.1/327 - Release Date: 28/04/2006 > > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist