Nice mod from long ago, made by @Tuareg and @ximrm, original thread is here: http://forum.kerbalspaceprogram.com/index.php?/topic/96785-kerbal-cctv-11-now-with-wifi-camera/
Dynamic CCTV system compatible with KAS (isn't required). Now with WiFi camera
Camera functions:
Switch on/off
Sweeping movement on/off
Set FoV (only on controllable craft so set it before you attach it to a building or wreck or whatever)
Monitor functions:
Switch on/off
Detect