Simple Sensors

 

Passive versus Active Sensors

 

Switches

 

Light Sensors

 

Polarized Light

 

Reflective Optosensors

 

Reflectance Sensors

 

Infra Red LIght

 

Modulation and Demodulation of Light

 

Break Beam Sensors

 

Shaft Encoders

 

Resistive Position Sensors

 

Potentiometers