[Diy_efi] Re: EMS inputs/output?

[alex averbuch]

Kent, you said that to do ignition and sequential injection you need 2 Crank 
Angle sensors. Would you be able to go into more detail about these 2 
inputs?
When is the signal recieved from each sensor?
What current/voltage does the average sensor transmit?
What does each signal represent?

Also, how does an EMS turn the coils off/on?  Is there an intermediate 
hardware driver that the EMS communicates with or can a digital signal be 
used...?  In each case, what signal does the uP itself send (Digital edge, 
Digital Level, etc)?


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