Jumrianto, Jumrianto, and Dewi Purnamasari. “Energy-Saving Handwasher Design Using Infrared Obstacle Sensor Based On Arduino Microcontroller”. Jurnal Inovasi Pendidikan dan Sains 5, no. 3 (December 25, 2024): 100-106. Accessed December 29, 2025. https://ejournal.unwmataram.id/JIPS/article/view/2292.