Brain-computer interfaces (BCIs) are innovative technologies that allow direct communication between the human brain and a computer or other electronic device. By using sensors to detect and interpret electrical signals from the brain, BCIs can provide an interface for controlling machines and applications via brain activity. As modern technology is constantly progressing, the potential of BCIs in smart technologies is becoming increasingly prominent. Here are some applications where BCI technology can add real value: 1) Smart Home Control: With BCI technology, a smart home can be controlled solely through the user’s thoughts. This could include turning lights on and off, adjusting thermostats, opening and closing doors, and much more. 2) Healthcare: BCIs can be instrumental in diagnosis and treatment of various conditions such as Parkinson’s disease, epilepsy, and paralysis. For instance, BCI-based neuroprosthetics can enable paralyzed individuals to control artificial limbs or robotic exoskeletons using their brain signals. 3) Gaming and Entertainment: BCI-powered games and entertainment systems allow users to control their characters or complete their tasks through their mental commands, providing immersive experiences and more natural user interactions. 4) Transportation: BCIs can be integrated into self-driving cars to detect and analyze drivers’ mental states and signals, increasing the performance and safety of automated vehicles. 5) Education and Learning: BCIs can help in focusing students’ attention, and adjusting the teaching style to suit individual learners’ needs. BCIs can also be used to evaluate students’ comprehension level, providing real-time feedback to educators. In conclusion, Brain-Computer Interfaces have immense potential to revolutionize the way we interact with smart technologies. As more research and development is done in this area, we can expect new advancements in the coming years that will change our lives for the better.