Incredibly simple and effective as long as our machine or process is not time sensitive – perfect for a weather station temperature sensor, although wind direction is slightly more complicated.

An ultrasonic anemometer can measure these shifts between multiple sets of transducers and use them to reconstruct wind speed and direction. "By measuring sound travel time differences both ...

But why is it so important knowing which direction the wind is coming from? And how do we measure it? Knowing about wind direction is important for many people and activities. Planes point into ...

while a wind vane measures wind direction. The vane always points in the direction that the wind is coming from and reports an analog voltage signal directly proportional to the azimuth angle.