Basically we are talking about a single IC that is “integrated circuit” for those of you who are not total tech nerds – that can act like a warning system, […]
Buzzer Circuit Using a Transistor and Piezo Element
In this article you’ll discover how to construct a very basic buzzer circuit using a piezo electric transducer, two resistors, a small coil, and a BC547 transistor. A buzzer is […]