negativefeedbackICS18SAR

Negative feedback


 * 1) A cars' air conditioning shutting off to preserve the cars' battery.
 * 2) A human sleeping and waking up.
 * 3) Electronics shutting off then turn back on when they get a notification.
 * 4) An automated sprinkler system that reads water levels then turn on to keep the grass healthy.
 * 5) A divers' oxygen tank detecting the level of oxygen in the tank and changing the dial status.
 * 6) A thermometer that moves the liquid inside to match the heat temperature, then going back down to 0 when there's no heat.
 * 7) A raiation chamber that detects too much radiation in a room and sets off an alarm.