Ritonga, A. P., & Al-Khowarizmi, A.-K. (2026). Implementation of an automatic curtain control system using a servo motor and ultrasonic sensor based on the internet of things. Jurnal Sains, Teknologi &Amp; Komputer, 3(2), 96–102. https://doi.org/10.56495/saintek.v3i2.1298