[Diy_efi] function generator for shutterwheel

[Phil]

thanks for the response. Dave' Ill need some coaching as I haven't a clue what a PIC microcontroller is! PS: shop email is phil.hunt3 at verizon.net   thanks, Phil Hunt
  ----- Original Message ----- 
  From: David Allen 
  To: diy_efi at diy-efi.org 
  Sent: Sunday, December 25, 2005 6:27 PM
  Subject: Re: [Diy_efi] function generator for shutterwheel


  How about a PIC microcontroller programmed to count the pulses and clamp every 30th cycle?
  David

    ----- Original Message ----- 
    From: Phil 
    To: Diy_efi at diy-efi.org 
    Sent: Sunday, December 25, 2005 12:01 PM
    Subject: [Diy_efi] function generator for shutterwheel


    I want to drive a VW management system on a benchtop mockup for testing and development purposes. I need a function generator that mimics the crank senser: i.e: a sine wave of 30 or so cycles (haven't counted the teeth yet) punctuated by a missing point. I'll need to be able to change the frequecy to mimic rpm. I already have a function generator-is there some kind of simple circuit I could process it's poutput with? Phil, Phil's Foreign Car, Kenvil, NJ USA  973 584 0161


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