DIY weather station

I have created a monster using various sensors attached to numerous rpis.

wetter



ingredients

challenges

temperature accuracy in sunlight

housing a temp sensor outside

remote thermometer housing - I expect the metal venting to radiate more heat

diy solar radiation sheild

barometric logging

One of the more interesting pieces of home technology in the later 1800s was the barograph. When Kraktau expoded in 1883, these were able to track the blast wave's progress across the world more than 4 times.

Winchester, Simon (2003). Krakatoa: The Day the World Exploded, August 27, 1883 - Excellent reading for anyone with an interest in volcanoes.

Getting a peak value from a digital barometer is a slightly bigger challenge. The relaxation phase of a huge blast may take several minutes so detection is relatively easy. Smaller blasts, like those from house or warehouse explosions have been strong enough to wake me up but well under the measurable size for 60s sampling.

possible enhancements

meteorological reference materials

Some calculations and definitions were needed

motivation

Why do things the easy way? Build your own weather station guide

i2c issues

Some more info on working on the reliability of i2c.