Advanced IoT Systems : CoursebookNikitenko, Agris; Berkolds, Karlis; Jurenoks, Aleksejs; Czekalski, Piotr; Tokarz, Krzysztof; Kuaban, Godlove; Sell, Raivo; Becker, Friedhel2025 https://iot-open.eu/download/iot-open-eu-advanced-iot-systems-coursebook-in-english/