On Mon, Feb 8, 2010 at 2:00 AM, Michael Rigby-Jones wrote: > > What kind of range of airflows do you need to measure? =A0Perhaps an > automotive air mass sensor would be usable? That's exactly what I was thinking. What kind of airflow do you need? Is it comparable to a VW engine? http://www.idparts.com/catalog/product_info.php?products_id=3D242 -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist