A weather station on a pole above the roof, a small computer in the attic, and whatever I learn from keeping the two running. Posts are infrequent and mostly written for my own later reference.
- A humidity sensor that slowly lied
14 September 2025After two winters the humidity readings stopped reaching 100% in fog. How I noticed, and what replacing the sensor changed.
- Does a home-made radiation shield work?
2 June 2025Stacked plant saucers against a bought shield, side by side for six sunny weeks.
- Logging every five minutes without losing data
19 January 2025The pipeline from sensor to CSV file, and the three ways it has failed so far.