ECU Tach signal wire Question
02-15-2004, 01:18 PM
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ECU Tach signal wire Question
Is the dashboard tach input signal from the ECU (Green/white) a simple volltage, or a pulsed signal (per coil or per rev?)
I am making a microcontroller-based device that needs to know the current rpm, and I can either use an ADC to convert the voltage to a signal, or count pulses...
I am making a microcontroller-based device that needs to know the current rpm, and I can either use an ADC to convert the voltage to a signal, or count pulses...
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