Rita was a Managing Editor at Android Police. Once upon a time, she was a pharmacist as well. Her love story with Android started in 2009 and has been going stronger with every update, device, tip, ...

As you're sitting on the plane and waiting for takeoff, your airline pilot could activate a "ding" sound mid-flight — but what does that sound really mean? In a now-viral video garnering nearly 10 ...

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 ...