Hey folks, imagine following scenario: you have a metal bar, 30cm long and cross area is 2x2cm. On the one end there is a light knock, mostly the same, like cracking your knuckles or bones. On the other end of this bar you want to detect this knocking. Which sensor might be the best to indicate …

Which kind of sensor for "knock" detecting

MarkT October 12, 2017, 12:09pm 2

Using a microphone/guitar pickup or even accelerometer?

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