Types of Sensors

What does a Proximity sensor detect?​

• Time

• Someone or Something near/ Distance

• Heat

• movement

If Nancy wants to put a sensor on a water tap, which sensor is the best choice?

What kind of sensor does and air conditioner have that it  turns on automatically when the whether gets hotter.

When sun sets, Street lights get automatically turned on. Which sensor does it use?

Tom walks through a corridor and the lights go on, Which sensor is it?

Andre uses alexa to help him with day to day works, Alexa uses what sensor?