Nerissa Arviana Putri, Arniel Ahmad Rivai, Rifki Athaya, Mohamad Ramdhani and Dien Rahmawati 2024. Designing a Spreadsheet-Based Reverse Vending Machine (RVM) Database Using Arduino Mega 2560 and NodeMCU with App Script Integration. Journal Serambi Engineering. 9, 3 (Jul. 2024). DOI:https://doi.org/10.32672/jse.v9i3.2025.