add Dewpoint
Fork of AM2321 by
Revision 2:dd902435d402, committed 2015-08-11
- Comitter:
- HB9GAA
- Date:
- Tue Aug 11 09:41:47 2015 +0000
- Parent:
- 1:f42b99c425e8
- Commit message:
- DewPoint
Changed in this revision
AM2321.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r f42b99c425e8 -r dd902435d402 AM2321.cpp --- a/AM2321.cpp Tue Aug 11 09:13:23 2015 +0000 +++ b/AM2321.cpp Tue Aug 11 09:41:47 2015 +0000 @@ -117,7 +117,7 @@ { float H, Dp; - H = (log(_result.humidity) - 2) / 0.4343 + (17.62 * _result.temperature) / (243.12 + _result.temperature); + H = (log10(_result.humidity) - 2) / 0.4343 + (17.62 * _result.temperature) / (243.12 + _result.temperature); Dp = 243.12 * H / (17.62 - H); //das ist der Taupunkt in Celsius - return Dp/10; + return Dp; }