irwan Nova, Ana Uzla BatuBara, Mandapot Tua Naibaho. Arduino Uno Microcontroller Programming as a Timer for Hotplate Magnetic Stirrers. IJHET [Internet]. 2026 Jan. 28 [cited 2026 May 29];4(5). Available from: https://afdifaljournal.com/journal/index.php/ijhet/article/view/566