The Pololu 9mm electromagnetic buzzer is a versatile tool that can be used in a variety of applications. For instance, it can be used in alarm systems, timers or even as a feedback mechanism in user interfaces. It's compact size of just 9mm makes it an ideal choice for projects where space is a constraint.
One of the unique properties of this buzzer is its ability to produce sound at the frequency of the supplied PWM signal. This means that you can control the sound it produces, making it a flexible solution for a variety of applications. Additionally, the top opening design allows for a clear and unobstructed sound output.
Pololu's 9mm electromagnetic buzzer is not just compact and versatile, but also incredibly efficient. With a maximum current draw of 60mA, it provides a powerful performance without draining too much power. This makes it a cost-effective and energy-efficient solution for adding sound to your projects.