[Diy_efi] 555 Timer controlled EFI

[K DANIEL]

  Hi 
  The 555 timer could be used as frequency to voltage converter i  could send you a schematic of it, if you need 
  Kamal Daniel

ScottyGrover at aol.com wrote:
        In a message dated 1/20/06 4:20:50 P.M. Pacific Standard Time, geoff_h at smartchat.net.au writes:
  Having a linear output is great, but my concept was to avoid the 
added complexities i.e. in this case a D/A converter. The main 
concept was to have a system that was easily adaptable to almost 
any engine, and tune it on the road by a co-driver. I know  this 
can be done with newer systems, with the aid of a hand piece or 
laptop but then the co-driver has to know how to go about it.

Geoff Harrison

  
  You wouldn't need a D/A converter; a Frequency-to-voltage converter should do the job.
  Scotty
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