What convenience do sensors bring to life?

I think the answer of "Moonlit Night at Tsurugashi Bridge" is already very good. In fact, sensors convert various signals into electrical signals so that they can be controlled! For example: home water heater, the use of remote control kind of control will need to have a temperature sensor to measure the temperature signal and into an electrical signal in order to control; and then for example: the home of the gas alarm is also through the gas sensor to measure the content of methane into an electrical signal for control; and the home of the temperature and humidity table on the temperature and humidity sensors in order to measure the indoor temperature and humidity, into a digital display! The newest addition to the list is the newest addition to the list, the newest addition to the list, the newest addition to the list.