Light Sensors
Computer Science: Cambridge International GCSE, topic 1.3.26
Light Sensors
Light sensors are also known as photo sensors or photodetectors. Light sensors measure the intensity or presence of light in their surroundings.
Electrical signals
- Light sensors convert light energy into electrical signals.
- Light sensors have various applications including:
- Electronic devices.
- Automation.
- Environmental monitoring.
Applications
- There are various examples of light sensor applications:
- Automatic street lighting.
- Camera auto-focus.
- Security systems.
- Solar-powered devices.
Smart buildings
- Light sensors are used in smart buildings.
- Light sensors can adjust artificial lighting based on the amount of natural light available.
- Light sensors are used in proximity sensors.
- Light sensors can detect the presence of an object or person based on reflected light.
Test yourself on Light Sensors
What are some applications of light sensors?