I have a older turbine ECU that uses an IR sensor for RPM, which basically is a hole drilled through the compressor nut and light shines through it giving 2 pulses per rev. I have a turbine that I want to use the ECU on which has a proximity sensor that counts the compressor vanes as it passes next to it, which is 6 pulses per rev. I would like to try and build or buy, if one is available, a circuit that would reduce the pulses from 6 to 2 and whatever voltage I need to change so it will work with my ECU. Thank you in advance for any help.
Greg
Greg
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