This will not work with Arduino IDE 1.6.5 (or below) or with non ESP32-S2/S3 devices (e.g. Arduino UNO, Arduino MEGA, etc.). To use this library you need to have Arduino core for the ESP32 installed.
Abstract: This study presents a magnetic field-temperature-refractive index sensor based on surface plasmon resonance (SPR) and photonic crystal fiber (PCF). The sensor integrates three independent ...