Extremely Sensitive Cheap Homemade Seismometer

Not exactly a weather station equipment, but it’s absolutely a part of measuring something in the nature; earthquakes and it’s cheap too:

https://create.arduino.cc/projecthub/mircemk/extremely-sensitive-cheap-homemade-seismometer-175231?utm_campaign=new_projects&utm_content=1&utm_medium=email&utm_source=hackster&utm_term=project_name