Ramadian, Angga Putra, and Linda Marlinda. “Design of Automatic Hand Sanitizer Based on Arduino Uno Microcontroller”. Sinkron : jurnal dan penelitian teknik informatika 5, no. 2B (November 7, 2021): 157-167. Accessed October 10, 2024. https://jurnal.polgan.ac.id/index.php/sinkron/article/view/11174.