Hardware implementation of RF-to-Optical and Optical-to-RF converters for a laser-driven VLC system based on HackRF One SDREril Mozef, Dyelvio Wijaya, Hepi Ludiyati, Enceng Sulaeman, Hanny Madiawati, Muhammad Yusha Firdaus, Endang Suwandi, Sasono Rahardjo and Novia KarostianiE3S Web Conf., 664 (2025) 01009DOI: https://doi.org/10.1051/e3sconf/202566401009