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Apr 04, 2011, 12:57 AM
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Mini-HowTo

A servo with an IR horizon sensor for camera mount


A servomechanism with a horizon sensor. Can be used on a camera gimbal or an aircraft.

A servomechanism with a horizon sensor (0 min 12 sec)


Such a servomechanism is usable for controlling the bank of the aircraft or the inclination of the camera. You'll be able to control the inclination of the camera; the neutral position will conform to the horizon line. In addition, it is possible to control the ailerons of the aircraft and to incline the aircraft to the desired angle in respect of the horizon. If the horizon line is not symmetric, a bank of the aircraft appears. The scheme of the sensor:



PCB:

IR photocells are fixed on the movable part of the controlled gimbal of the camera or on the opposite ends of the controlled model. A signal of the sensor is applied to an ordinary servomechanism instead of the internal potentiometer. The potentiometer of the servomechanism is connected to the negative terminal, to the reference voltage and has one output (3 conductors); the infrared sensor is connected in the same way.

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