We can get 1185 units into Australia from SparkFun. If you order today, we can dispatch this stock between Nov 18, 2024 - Nov 20, 2024.
Piezo elements come in handy when you need to detect vibration or a knock. You can use these for tap or knock sensors pretty easily by reading the voltage on the output. They can also be used for a very small audio transducer such as a buzzer.
Documents:
- Datasheet (7BB-20-6L0)
- Arduino Tutorial