Sensor interface of the Sensor APIs is the base class for all the other sensor interfaces. This interface cannot be used directly. Instead it provides properties, event handlers, and methods accessed by interfaces that inherit from it.
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When initially created, the
Sensor object is idle, meaning it does not take measures. Once the
start() method is called, it prepares itself to read data and, once ready, the
activate event is sent and the sensor becomes activated. It then sends a
reading event each time new data is available.