This chapter explores online laboratories’ development, benefits, obstacles, use, and incorporation with Internet of Things (IoT) technology in educational environments. It explores the shift from traditional lab experiences to remote online setups, emphasizing accessibility, affordability, safety measures, and adaptability. Integrating IoT with online labs improves real-time data gathering, remote accessibility, interaction, and cooperation to enhance learning. The chapter showcases the diverse applications of online labs by presenting examples across contexts, from K12 schools to professional training. It also examines how IoT enhances traditional labs and hands-on learning experiences by highlighting the distinctions between virtual and remote labs while emphasizing collaboration and inclusivity. Additionally, it offers insights into designing IoT-driven online labs by focusing on defining goals, selecting appropriate IoT devices, establishing infrastructure requirements, ensuring user-friendly interfaces and experiences addressing security and privacy concerns, and adhering to regulations. Practical implementation strategies and case studies illustrate the real-world use of IoT in physics, chemistry, and engineering labs by emphasizing accessibility, safety measures, enriched comprehension, cost efficiency, skill development, and interdisciplinary learning prospects. In managing and upkeeping IoT devices, various factors include monitoring their performance and addressing issues, ensuring they can scale up as needed, managing and analyzing data effectively, complying with regulations, maintaining security measures, and ensuring quality standards. Additionally, discussions on future trends and hurdles like emerging technologies concerns regarding security and privacy, broadening access to resources, and integrating curriculum are held to shed light on enhancing the educational experiences offered through IoT-powered online labs.