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.

To measure wind speed and direction, most people turn the traditional cup anemometer and wind vane. Another less-known method is to use an array of ultrasonic transducers, which doesn’t need any ...

The voltage output can be analog, which is then converted to digital. The self-emptying ... keep the instrument clean. Cup anemometer with separate wind vane - Uses three cups to measure wind ...