Lutfiah, Hardianty, Ketut Alit Adi Untara, Unggul Wahyono, and Rudi Santoso. 2026. “Development of Arduino-Based Light Energy Transmission Tool to Improve Students’ Conceptual Understanding of Junior High School”. Equator Science Journal 4 (2):89-100. https://doi.org/10.61142/esj.v4i2.355.