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I am getting better results using PULSIN since the sensor is pulsing as stated before.
I still need to condition the results, however.

Charles,

This sensor pulses hi to low. I suspect some of my sampling is reading on the low part of the cycle. Thats why I slowed way down the sampling time to 20ms.

ADC has worked well for me...

Thanks,
I'll have a look see.

I'll see what a 0.1uF does.

Thanks

Really good accuracy would be nice. Right now I have no accuracy.

I am trying to read a vehicle speed sensor but the LCD output is bouncing all over the place.
My DMM readout is nice and constant. How can I get good readings?

What I have done is slow down the...