Safitri I, Apriansyah A, Hidayat KMW. Arduino Uno-Based Automatic Hand Soap Dispenser Using Ultrasonic Sensors for Hand Hygiene. ijmdsa [Internet]. 2026 Oct. 16 [cited 2026 Nov. 12];5(4):852-8. Available from: https://jurnal.itscience.org/index.php/ijmdsa/article/view/9738