This hands-on guide introduces undergraduate students to essential Internet of Things technologies, architectures, and procedures. Written by Michael McCarthy, Barry Burd, and Ian Pollock, the book prioritizes sustainability and crucial concepts like security, starting early with cryptographic algorithms. Practical, project-based chapters cover fundamental skills including hardware setup, constrained networking via BLE, asynchronous communication using MQTT, and integrating Web APIs. Advanced topics explore persistence with SQLite, machine learning applications, and the future of IoT payments utilizing decentralized blockchains and cryptocurrency. It is a comprehensive resource for modern computing and device development.