Hello, I'm trying to measure RPM for a Rotax aircraft engine. The signal you get from the engine is described in the attached picture below. Can anyone help me with that? Do i have to limit the voltage? i beleive i have to connect it to a digital port and mesure the pulses somehow, 1 pulse is one ro…

Rotax engine tachometer help

groundFungus November 20, 2017, 2:56pm 2

The image from the OP. How to post images.

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