It beeps if the fridge door is left open for too long or hasn’t closed properly, to stop food from spoiling. There are lots of other uses as well. A refrigerator or freezer door that is left open or ...

Here is a small project on fire alarm. When a fire accident is happened in home or office, it will detect the fire (intensity of fire in the room) at instant and give the alarm so we can be ready and ...

Today’s hospitals and specialized care facilities integrate a slew of building technologies to ensure all systems function as intended to provide state-of-the-art care for patients. Many of these ...