Nayak Tarunkumar Kiritbhai, et al. “Design and Implementation of an IoT-Based 4-DOF Wi-Fi Controlled Robotic Arm Using ESP32 and Blynk Cloud”. International Journal of Innovations in Science, Engineering And Management, vol. 5, no. 2, May 2026, pp. 286-92, https://doi.org/10.69968/6w3jr198.