Abubakar Bayo Yusuf, Anayo Bartholomeu Amadi. Design and Implementation of a Solar-Powered Refrigerator with Automated Doors Controlled by an Android Application Using Ardiuno Mega2560 and Bluetooth Module. AJSEDE. 2024;6(5). Accessed November 7, 2025. https://africanscholarpub.com/ajsede/article/view/405