Are there different wind direction sensors?
Wind direction sensors include resistive types, and digital resolvers. As the wind vane turns on a resistive sensor, it moves a wiper on a circular resistor, analogous to the volume control on a radio. A digital resolver uses three of more light sensors to read a pattern of stripe printed on a disk attached to the wind vane. These patterns translate to wind directions. Resistive types offer higher resolution than resolvers do. In practice, available control systems report only the points of a traditional compass N, NNE, NE, ENE, etc.
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- Are there different wind direction sensors?