Optical Sensors
An optical sensor transforms light rays into electronic signals to calculate the physical quantity of light and translate it into a form of processor readable.
Ultrasonic Sensors
Ultrasonic sensors operate by sending out a sound wave with a frequency above the range of human hearing, and the transducer of the sensor perform as a microphone to receive and send the ultrasonic sound.
Millimeter-wave Sensors
Millimeter-wave sensor is an exceptional class of radar technology that uses short wavelength electromagnetic waves and transmit signals to the objects in their path to replicate. By capturing the replicated signal, a radar system can define the range, velocity and angle of the objects.