diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/MotionSensorController.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/MotionSensorController.java
index 4ba03b1..96ba755 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/MotionSensorController.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/controller/MotionSensorController.java
@@ -6,6 +6,8 @@ import ch.usi.inf.sa4.sanmarinoes.smarthut.dto.GenericDeviceSaveReguest;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.error.NotFoundException;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.models.MotionSensor;
 import ch.usi.inf.sa4.sanmarinoes.smarthut.models.MotionSensorRepository;
+import ch.usi.inf.sa4.sanmarinoes.smarthut.socket.SensorSocketEndpoint;
+import java.security.Principal;
 import java.util.List;
 import javax.validation.Valid;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -19,6 +21,8 @@ public class MotionSensorController {
 
     @Autowired private MotionSensorRepository motionSensorService;
 
+    @Autowired private SensorSocketEndpoint sensorSocketEndpoint;
+
     @GetMapping
     public List<MotionSensor> findAll() {
         return toList(motionSensorService.findAll());
@@ -38,6 +42,25 @@ public class MotionSensorController {
         return motionSensorService.save(newMS);
     }
 
+    @PutMapping("/{id}/detect")
+    public MotionSensor updateDetection(
+            @PathVariable("id") Long sensorId,
+            @RequestParam("detected") boolean detected,
+            final Principal principal)
+            throws NotFoundException {
+
+        final MotionSensor sensor =
+                motionSensorService
+                        .findByIdAndUsername(sensorId, principal.getName())
+                        .orElseThrow(NotFoundException::new);
+        sensor.setDetected(detected);
+        final MotionSensor toReturn = motionSensorService.save(sensor);
+
+        sensorSocketEndpoint.broadcast(sensor, motionSensorService.findUser(sensorId));
+
+        return toReturn;
+    }
+
     @DeleteMapping("/{id}")
     public void delete(@PathVariable("id") long id) {
         motionSensorService.deleteById(id);