Decentralized Voting System Using Blockchain Technology with Arduino-Based Nodes for Secure and Transparent Elections - Abd El-Hamed, Osama M.; Abd El-Samie, Fathi E.; Badawy, Wael; Abd El-Atty, Saied M. (2025 4th International Conference on Electronic Engineering (ICEEM), Electronic Engineering (ICEEM), 2025 4th International Conference on, 2025)