IR Sensor

Is this....

• IR Sensor

• Line Sensor

Which sensor can detect nearby objects?

• IR sensor

• Humidity sensor

• Touch sensor

• Flame sensor

An IR sensor does not detect _________ colour.

• white

• black

• grey

• all of the above

IR module has _____ terminals.

• 1

• 2

• 3

• 4

What are the two LEDs IR sensor has?

• Input and output

• Transmitter or receiver

• Both a and b.

• None of the above