This dataset supports the article entitled "Intermittently-Powered Energy Harvesting Step Counter for Fitness Tracking" accepted for publication in IEEE Sensors Application Symposium (SAS) 2017 

Data Supporting Figures:

Fig. 4. Rectified power signal generated by the ferroelectret insole with a high-impedance workload after three steps.
Fig. 6. Ferroelectret insole characterization with three different values of capacitances in walking and running mode.
Fig. 10a. Operation of the intermittently-powered step counter after three steps the system starts working.
Fig. 10b. Detailed description of the process of counting a step.
Fig. 11. System counting three consecutive steps.
Fig. 12. Performance comparison between the intermittently-powered step counter and two smartphone applications in a) running mode and b) walking mode.

Table I. Mean energy obtained per single step.
Table II. Parameter values of the system in each stage.
Table III. Parameter values of the system in each stage without accelerometer.
Table IV. Performance of the three step counters tested with 50 steps.

Date of data collection: from July 2016 - September 2016
Information about geographic location of data collection: University of Southampton, U.K.
Date that the file was created: January 2017