The circuit was constructed using a few components to produce a unique buzzer with adjustable buzzer tones. Buzzer – an electronic signaling device that produces light and buzzing sound when activated ...

The circuit was designed to formulate a timer that can provide an alert method with the use of a buzzer while the presence of the optocoupler will make it possible to drive an external circuit. 4060 – ...

Watch this video to learn more about what an electrical circuit is and how it works. Electrical energy flows around circuits which are loops made of metal wires. In this game, touching the wire with ...