Embedded systems play a crucial role in enabling IoT device functionality by integrating hardware and software to perform dedicated tasks efficiently. These systems collect data from sensors, process it in real-time, and communicate with other devices or cloud platforms using various IoT protocols. Their compact size, low power consumption, and reliability make them ideal for smart applications, from home automation to industrial monitoring. Embedded systems ensure seamless connectivity, control, and automation, making IoT solutions more responsive and intelligent. Gaining expertise in this field can be beneficial through an embedded systems course.