Advancements in industrial digital sensors (version 3.0 to 4.0) and radar systems for object detection: a state-of-the-art review

In this digital age, sensors and digital components are a crucial part of modern life, as they are used daily to simplify various processes. The use of the sensors and other industrial components is wider starting from science, IoT, technology stakeholders and finishing to educational processes which shows that this kind of components are used in every field. This scientific paper represents a review of the latest advancements and developments in the industrial digital sensors and components, focusing on versions 3.0 and 4.0 and also their use to develop radar systems for object detection. The review mostly focuses on covering key advancements and developments, challenges and future directions in these fields and technologies, providing insight for students, researchers, engineers and also industry stakeholders.