This is a simple and very useful article on building a circuit that produces “ding dong” sound using 555 timer. We observe different types of door bells in different houses. They produce different ...

A young person approaches a home, rings the doorbell (maybe knocks too) and runs. It's a centuries-old prank that at its best is a harmless annoyance for victims. You may know it by its playful names: ...

An 11-year-old boy was fatally shot in Houston after a prank in which he rang the doorbell of a home and ran away, police said Sunday. The boy had been ringing doorbells as a prank late Saturday ...