A smart city in IoT uses connected sensors, devices, and analytics to make cities more efficient, sustainable, and responsive. These systems gather real-time data on traffic, energy, waste, and water, enabling city managers to make faster, data-driven decisions. From automated street lighting to intelligent traffic control, IoT transforms how cities function. This integration not only saves resources but also enhances quality of life by reducing pollution, improving mobility, and ensuring public safety. Visit: https://www.karikala.in/blog/smart-city-in-iot/