Problems and Integrating Procedure of Quadcopter with Anemometer for Collect Wind Velocity DataAzamataufiq Budiprasojo, Bayu Rudiyanto, Budi Hariono and Tosawat SeetawanE3S Web Conf., 190 (2020) 00003DOI: https://doi.org/10.1051/e3sconf/202019000003