[1] K Forinash, R Wisman, Smartphones - Experiments with an External Thermistor Circuit, The Physics Teacher 50, 566 (2012).
https://doi.org/10.1119/1.4767499

[2] K Forinash, R Wisman, Photogate Timing with a Smartphone, The Physics Teacher 53, 234 (2015).
https://doi.org/10.1119/1.4914566

[3] R Wisman, K Forinash, Mobile Science - GateTiming, December 2017. Google Play: https://play.google.com/store/apps/details?id=edu.ius.rwisman.gatetiming

[4] R Wisman, K Forinash, Mobile Science - AudioTime+, November 2013. Google Play: https://play.google.com/store/apps/details?id=edu.ius.audiotimeplus

[5] R Wisman, K Forinash, Mobile Science - DCVoltmeter, January 2016. Google Play: https://play.google.com/store/apps/details?id=edu.ius.dcvoltmeter