The development of digital and the Internet of Things (IoT) which are becoming widespread have a strong impact on the technological trends of conventional sensors and equipped with intelligence. This article gives the main axes of this trend: the first important axis concerns the monitoring and surveillance of equipment and industrial installations. The second axis concerns the coupling between the sensor and the Internet of Things. The 3rd axis deals with sensors dedicated to applications or to a family of machines or equipment. In axis 4 is interested in 2 very strong trends: predictive maintenance and digital twins
