On 25 March 2011 09:50, Matt Callow wrote: > Somewhere (I can't remember where now) I've seen a sensor with a PIC > attached that gives readings directly in hPa. > here it it: http://www.sureelectronics.net/goods.php?id=3D1211 No comments on it's suitability etc. Never tried it myself. Matt --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .