Converting milliseconds to frequency

[chips123]

Russ...The 60000 math thing worked great. The digits changing on the LCD actually looks quite natural and "smooth". It doesn't look jerky. It is faster that you can read.

I applied all of this to another project where I am driving a stepper motor as a position indicator, ie. a needle on a scale. I am quite satisfied with it.

The only issue I see with my current calculations is that a change in a millisecond at the high end of the scale represents a larger change in RPM than a millisecond does at the lower speeds. This makes the needle seem a bit twitchy at the higher speeds. I plan to see what I can do to improve that somewhat.

I initially attempted this project using COUNT . It worked, but moving the needle was painfully slow.

Thanks for all the input
Scott