You can use a LCD and replace the HSEROUT statements with LCDOUT if you want. When the measurement is complete it doesn't matter how long it takes because then we're not timing anymore.

If you want the display to update DURING the measurment (like showing elapsed time) it'll be a bit more complicated - you never said anything about that I don't think :-)

It's certainly doable but we'll need to think about how to best do it. But highly I suggest getting a prototype up and running FIRST.

/Henrik.