[Diy_efi] Ignition Pickup

[marko.cosic]

> If I were doing it, I would try an optocoupler.  Use
> a large enough series resistor on the transmitter side to ensure that
> you don't fry the diode. 

How big a series resistor would this need?

> Or, try a comparator with a resistive divider
> network to attenuate the primary ignition signal by like 10:1.

Primary - the LT side of the coil, not the main spark?

Cheers,

Marko


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