Smart Helmet: An intelligent solution for rider safety

The proposed Smart Helmet system provides an effective and reliable solution for enhancing motorcycle rider safety through IoT-based automation. By implementing a dual NodeMCU architecture with Bluetooth communication, the system ensures that critical safety conditions are verified at the helmet level before enabling vehicle ignition. The integration of an IR sensor for helmet detection and an MQ-3 sensor for alcohol detection successfully prevents unsafe riding practices such as riding without a helmet or under the influence of alcohol. The use of a master–slave communication model improves system modularity and ensures secure data transmission between the helmet and bike units. Furthermore, the inclusion of an MPU6050 sensor for accident detection and a GPS–GSM based alert system enables real-time emergency response by sending the rider’s location to predefined contacts. This significantly reduces response time during critical situations and increases the chances of timely medical assistance. Overall, the system demonstrates a cost-effective, scalable, and practical approach to improving road safety and minimizing human errors. Future enhancements such as AI-based monitoring, cloud integration, and advanced communication technologies can further improve system efficiency, accuracy, and real-world adaptability.

[1]  Choi, Yosoon, and Yeanjae Kim. "Applications of smart helmet in applied sciences: a systematic review." Applied Sciences 11, no. 11 (2021): 5039. [2]      Lee, Peter, Heepyung Kim, M. Sami Zitouni, Ahsan Khandoker, Herbert F. Jelinek, Leontios Hadjileontiadis, Uichin Lee, and Yong Jeong. "Trends in smart helmets with multimodal sensing for health and safety: scoping review." JMIR mHealth and uHealth 10, no. 11 (2022): e40797.   [3]      Pearkao, Chatkhane, Puripong Suthisopapan, Arunnee Jaitieng, Sukuman Homvisetvongsa, and Lerkiat Wicharit. "Development of an AI-Integrated Smart Helmet for Motorcycle Accident Prevention: A Feasibility Study." Journal of Multidisciplinary Healthcare (2025): 957-968.   [4]  Mathavan, J. Joy, V. K. D. Wijesekara, N. Satheeskanth, W. M. U. J. Wanasinghe, M. Maathushan, and V. V. Wijenayake. "Smart helmet to start the motorbike and to prevent accidents." In IOP Conference Series: Materials Science and Engineering, vol. 1258, no. 1, p. 012051. IOP Publishing, 2022. [5]      Rajarathnam, D. R. P., S. Manikandan, S. Gokul, G. Viknesh, and S. Ranjith. "Development of Smart Helmet Detection System for Motorcycle Rider." International Research Journal on Advanced Electronics and Computer Technology (IRJAECT) 1, no. 01 (2025): 34-38   [6]   Kanase, Sandip S., Shivagond N. Teli, Sandhya D. Jadhav, Jaydeep S. Patil, Tanaji S. Kanase, and Ankur S. Pawar. "Design and development of Smart Helmet." Journal of The Institution of Engineers (India): Series C 104, no. 2 (2023): 253-259.   [7]  Shahare¹, Bhavesh, Shivani Chawde, Rakesh Gudafwar, Harshada Pal⁴, Purvi Bobade⁵, and Shyam Bawankar. "Iot Based smart motor cycle helmet." Journal of Electronics 3, no. 01 (2021): 15-22   [8]    Vivekanandan, P., P. Radhika, A. Sivamani, P. Pradeesh, and D. Rakesh. "Accident Prevention Using IoT-Based Smart Helmet." Nanosistemi, Nanomateriali, Nanotehnologii 22, no. 3 (2024). [9]    Pawar, Omkar, Sakshi Khanna, Dipali Walde, and Najib Ghatte. "Smart Helmet Ignition System: A Solution to Ensure Bike and Pillion Rider Safety." In International Conference on Recent Advancements and Modernisations in Sustainable Intelligent Technologies and Applications (RAMSITA 2025), pp. 914-925. Atlantis Press, 2025.   [10]          Prasetyawan, Purwono, Slamet Samsugi, Agus Mulyanto, Muhammad Iqbal, and Rizky Prabowo. "A prototype of IoT-based smart system to support motorcyclists safety." In Journal of Physics: Conference Series, vol. 1810, no. 1, p. 012005. IOP Publishing, 2021.