To enable FPV with head tracking function. It need to have Pan/Tilt camera. This camera use 2 mini servo to drive for Pan and Tilt. Camera spec: – Image sensor: 720×480 pal – Horizental Resolution: 520TV line – View angle: 90 degree – Lens focus: 3.6mm – Video output level: 1Vp-p @ 75 Ohm – Audio…