1. Arora, J., Gagandeep, Rawat, S.S.S., Srinivasan K., Puri, V.: Design and development of digital voltmeter using different techniques. In: 2014 International Conference on Green Computing Communication and Electrical Engineering (ICGCCEE), Coimbatore, India, 2014, pp. 1–5. https://doi.org/10.1109/ICGCCEE.2014.6922298
2. Patil, G.D., Helonde, J.B., Mohril, R.M.: Designing a microcontroller and pc based system for measurement and testing of penetration level of safety mask. Int. J. Glob. Technol. Initiatives 1(1), C92–C98 (2012)
3. Zahid Iqbal, H.M., Waseem, M., Mahmood, T.: Automatic energy meter reading using smart energy meter. In: Proceedings of the International Conference on Engineering & Emerging Technologies, pp. 1–5 (2014)
4. Saravana, S., Balaji, S, Arul Selvi, S., Sowmiya Manoj, M.: Robust hand gesture recognition for computer application advancement in engineering, science & technology. J. Mech. Cont. Math. Sci., 2, 392–400 (2019)
5. Swamy, M., Pravallika, R.: Design and implementation of smart energy meter. Int. J. Innov. Res. Comput. Commun. Eng. 5(8) (2017)