I am using a piezo element hooked up with Arduino (as in the example here):
Also, as in the example code provided (‘knock’) I am using piezo to read value (or current generated) making Arduino trigger other things… like playing sounds.
I would like to understand if the sensitivity of piezo module could be increased. Ideally requiring a less of a knock if piezo was placed against a thicker surface.
From what I gathered, it seems an op-amp could be used to amplify the signal coming from piezo?
I would like to know if the one as per image attached could work the current piezo element generates.
What other ways the sensitivity of piezo element could be increased?
Thank you so much for sharing your insights and the knowledge!