Rifqah, R. A. N., Suciyati, S. W., Surtono, A., & Pauzi, G. A. (2023). Design of a Classroom Noise Monitoring Tool Using a KY-037 Sound Sensor Based on Wemos D1R1. Journal of Energy, Material, and Instrumentation Technology, 4(4), 125–135. https://doi.org/10.23960/jemit.v4i4.118