Proceedings of adept : 8th international conference on Advences in electronic and photonic technologies : Nový Smokovec, High Tatras, Slovakia September 14th-17th, 2020 - Kováč, J., jr; Chymo, F.; Feiler, M.; Jandura, D. (University of Žilina in EDIS-publishing center of UŽ, 2020)