Chalik, Aqsa, Hidayatul Rohman, Luthfia Rosdiansyah, Alief Fazrian, and Hidayat Hidayat. “Heart Rate Monitoring System Based On ESP32 Using The AK90 Sensor With A Web Interface”. Applied Information Technology and Computer Science (AICOMS) 4, no. 2 (November 21, 2025): 62-69. Accessed November 27, 2025. https://jurnal.politap.ac.id/index.php/aicoms/article/view/1958.