Low-cost Pulse Oximeter for the Measurement of Respiratory Variables using LABVIEW. - Nicanor Benites-Saravia; Yesmi Ortega-Rojas; Noe Manuel Jesus Chavez-Temoche; Juan Grados 001; Zoila Diaz-Tavera; Antenor Leva-Apaza; Eduardo Chavez-Gallegos (ICECC, 2023)