• Analysis of charge and discharge of a Solar Lithium Battery 

      Torres Feliciano, Juan G.; Molina, Ángel (Polytechnic University of Puerto Rico, 2023-08-31)
      The purpose of this research is to observe the behavior of lithium batteries when they are being discharged and recharged to compare the data obtained in the experiments with the data provided by the manufacturer. With the ...
    • Diseño de un marcapaso programable con memoria y capacidad de comunicación 

      Cruz Vivaldi, Eric; Ortiz Burgos, Jorge J. (Polytechnic University of Puerto Rico, 1992-12)
      A design of a programmable pacemaker unit which integrates microprocessor control, memories and a communication device. This pacemaker uses programming techniques to adjust its operations to the patients' needs, to compile ...