Sensors

In the broadest definition, a sensor is a device, module, or subsystem whose purpose is to detect events or changes in its environment and send the information to other electronics, frequently a computer processor. A sensor is always used with other electronics, whether as simple as a light or as complex as a computer.
- PhotoElectric
- Proximity
- Inductive
- Capacitive
- Wireless
- Laser
- Ultrasonic
- Vision
- ETC.