Here is a collection of various alarm circuits which are very useful for engineering students and as well as in our real life also. Nowadays many engineering students are searching for various alarm ...

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 ...

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 ...