Use of smartphones in experimental physics...

Diffraction Experiments with a Smart Cart

The Physics Teacher 59, 272 (2021); https://doi.org/10.1119/10.0004155

Writes: The use of smartphones in experimental physics is by now widely accepted and documented.1–5

I included one of the smartphone lab using the camera to find the focal length of the phone's camera lens. 

1.M. Monteiro, C. Stari, C. Cabeza, and A. Marti, “The polarization of light and Malus’ law using smartphones,” Phys. Teach. 55, 264 (May 2017). https://doi.org/10.1119/1.4981030, Google ScholarScitation, ISI

2.A. Shakur and J. Kraft, “Measurement of Coriolis acceleration with a smartphone,” Phys. Teach. 54, 288 (May 2016). https://doi.org/10.1119/1.4947157, Google ScholarScitation, ISI

3.Martín Monteiro, Cecilia Cabeza, Arturo C. Marti, Patrik Vogt, and Jochen Kuhn, “Angular velocity and centripetal acceleration relationship,” Phys. Teach. 52, 312 (May 2014). https://doi.org/10.1119/1.4872422, Google ScholarScitation, ISI

4.Martín Monteiro, Cecilia Cabeza, and Arturo C. Marti, “Rotational energy in a physical pendulum,” Phys. Teach. 52, 180 (March 2014). https://doi.org/10.1119/1.4865529, Google ScholarScitation, ISI

5.A. Shakur and T. Sinatra, “Angular momentum,” Phys. Teach. 51, 564 (Dec. 2013). https://doi.org/10.1119/1.4830076, Google ScholarScitation, ISI