sensor77Stud Sensor (77-110) 1 Stud Sensor The Stanley IntelliSensor™ Stud Sensor uses electronic snals to locate the edges of studs or joists through drywall and plywood at a maximumAbout 77 79 GHz automotive radar systems for ADAS and AD applications. The complexity of traffic is increasing, wherefore ADAS features driven by NCAPs makes cars safer.