Introduction to Smart Cities -- Forward from the city council and government -- Technologies for Smart Cities -- Smart meters, sensors, transduces and actuators -- Telecommunications systems for data transmission: theory, devices and practical examples -- Methods for the data acquisition from smart sensors, mathematical algorithms, software design and practical examples -- Information processing methods and systems for Smart Cities -- Centralized and decentralized nodes for the data processing -- Vehicle-to-infrastructure communication and intelligent transport systems -- Smart parking, remote booking and smart payments -- Methods for the presentations of the information from sensors, data visualisation and data storage -- Security aspects of the data collection and transmission, cybersecurity and blockchain -- Future trends for Smart Cities -- Conclusions -- List of References and Bibliography.