photodiode
/ˌfoʊtoʊˈdaɪoʊd/
noun
- A device that changes light into an electrical current, used in electronics like solar panels, cameras, and sensors.
- The camera uses a photodiode to measure how much light enters the lens.
- Engineers tested the photodiode to make sure it could detect even dim light.
- Solar panels rely on photodiodes to convert sunlight into electricity.