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  • Error analysis and reduction for a simple sensor-microcontroller interface 

    Custodio Ruiz, Ángel; Pallàs Areny, Ramon; Bragós Bardia, Ramon (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-12-31)
    Open Access
    Error analysis of a resistive sensor-to-microcontroller interface based on pulse-width modulation and time–ratio measurement shows that internal input and output resistances in microcontroller digital ports produce zero, ...