Sunar, A.; Lamichhane, B.; Pandey, G.; Yogi, J.; Poudel, N. Trek Monitoring System: Enhancing Safety and Adventure in the Outdoors Using Arduino UNO and NodeMCU. JEI 2023, 5 (3), 235-252. https://doi.org/10.36548/jei.2023.3.001.