A piezo element is helpful in situations that require detecting vibrations, taps, or knocks.
The thing that matters in deciding what to sense and detect is through reading the output voltage. By that, you’d be able to actually benefit from it in the exact right way. Also, audio transducer such as a buzzer is an application where it can be used for.
Product pictures and description are of Sparkfun.com
- Brand: manufacturer
- Product Code: 7BB-20-6L0
- Availability: 10
- Ex Tax: 6.60 AED