Instrumentation for Sound Wave Parameter Measurement: Design of Microcontroller-Based Acoustic SensorFirmanul Catur Wibowo, Abdul Muhyi, Kissi Marwanti, Dina Rahmi Darman, Daniel Steeven, Fahrurrozi Fahrurrozi and Muhammad Abd Hadi BunyaminEPJ Web Conf., 377 (2026) 06007DOI: https://doi.org/10.1051/epjconf/202637706007