Khakim, L. and Budihartono, E. 2025. Performance Analysis of HC-SR04 and JSN-SRT04T Sensors for Optimization of Microcontroller-based Septic Tank Volume Monitoring Tools . International Journal of Science, Technology & Management. 6, 3 (May 2025), 553-560. DOI:https://doi.org/10.46729/ijstm.v6i3.1317.