Design of a Low-Cost Multiplexer for the Study of the Impact of Soiling on PV Panel Performance. - López, Gabriel; Ramírez, Diego; Alonso-Montesinos, Joaquín; Sarmiento, Juan; Polo, Jesús; Martín-Chivelet, Nuria; Marzo, Aitor; Batlles, Francisco Javier; Ferrada, Pablo (Energies (19961073), 2021)