I have a piezo film vibration sensor from Parallax. When I measure the output by oscilloscope I get ~10 volts. However when I try to measure its voltage with Arduino I get less than 3 volts. Any idea what is causing the difference?

Shock sensor value?

wvmarle May 10, 2018, 9:20am 6

Which makes me wonder: do you want the magnitude of the shock, or just that there's been one?

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