I am trying to read piezo accelerometer ACH-01 data with Arduino; I am confused with interface circuit it requires. Data sheet says it need biased power supply and provides a simple schematic with -5V/+5V supply; there is another uni-polar alternative with two op-amps; Is there any simpler way to …

How to connect piezo accelerometer?

dc42 December 13, 2012, 10:07pm 7

Yes, that looks right. R1 is needed to provide the ground current to the FET in the transducer.

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