E.S. RAHAYU, MARDIONO, & D. A. AZIS. (2021). DESIGN OF VACUUM CLEANER DUAL MODE ROBOT PROTOTYPE BASED ON ARDUINO UNO WITH BLUETOOTH AND SMARTPHONE COMMUNICATION. International Journal of Innovations in Engineering Research and Technology, 7(06), 22-30. https://repo.ijiert.org/index.php/ijiert/article/view/311