Gonjales Barus, R. , Fatmawati, U.D. , Ariateja, D. , Akbar, , S.P. , Roesdian, M.N.H. , Rafif, G.R.R. and Kusuma, M.S. 2026. Design and Development of an MQ-2 Sensor and Arduino Uno Gas Leak Detection System with Automatic Ventilation and Warning. Jurnal Penelitian . 11, 1 (Aug. 2026), 71–82. DOI:https://doi.org/10.46491/jp.v20i1.2015.