This volume presents selected peer-reviewed contributions from the XX International Multi-disciplinary Congress on Science and Technology (ESPE CIT 2025), held on-site at the Universidad de las Fuerzas Armadas ESPE from August 11 to 15, 2025. The first volume focuses on computational modeling, artificial intelligence, innovation, development, and data communication, covering both theoretical and applied research. The contributions address current challenges and advances in computer sciences, electrical, electronics and telecommunications, and energy and mechanical engineering. Written by researchers and professionals from diverse institutions, this volume reflects the scientific rigor, innovation, and multidisciplinary collaboration promoted by ESPE CIT 2025 and serves as a valuable reference for researchers, postgraduate students, and practitioners.