Rahmi Delviandri, Dedi Irawan. Development of Light On/Off Controller Simple Using LDR Sensor-Based Relay and Arduino Uno on Physics Learning Electromagnetic Material. JoSLEPI [Internet]. 2023 Dec. 6 [cited 2024 Dec. 22];1(1):1-7. Available from: https://journal.riau-edutech.com/index.php/joslepi/article/view/3