Booster Circuit for Harvesting Renewable Energy Based on Bioelectric Microbial Fuel Cells Whose Power Can Be AdjustedMisto, Siswanto, Tri Mulyono, Sutisna and Dela Dwi AlawiyahBIO Web Conf., 101 (2024) 01006DOI: https://doi.org/10.1051/bioconf/202410101006