Weather stations are a popular project for experimenting with various environmental sensors, and for wind speed and direction the choice is usually a simple cup anemometer and wind vane.

Weather stations are a popular project for experimenting with various environmental sensors, and for wind speed and direction the choice is usually a simple cup anemometer and wind vane.

Here’s a list of materials you’ll need: Once you have all your materials, you’re ready to build your anemometer! First, staple the straws to the tops of the cups (the rim of the cup), making ...