Hi, today I received my parts for a 1-wire weather station from Hobby Boards. Everything seems fine except for the barometer. I have connected it using a 19V supply to the screw connectors and I’m using One-Wire-Weather (oww) to take readings. I put the values for slope and intercept for my altitude into the software but my reading for pressure is off by about 15mb (I get 1010.7 whereas other close weather sites are showing ~1025mb).
I’ve even checked the calibration as shown here and it looks fine.
I’m sure there must be a simple solution to this. Can anybody help?
Thanks
-Chris