Dataset of 3 touch modalities on a 4x4 piesoelectric array, using a brush, finger and a roller, 10s, at 3Khz. You can find at the references, people who created this dataset at DITEN (Department of Electrical, Electronics, Naval Engineering and telecommunications), at UniGe (University of Genova Italy).
Steps to reproduce
The two zip files contains the same data, but the difference is in the decimal places separator (. or ,).