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Gimbal System for UAV’s

There have been wide variety of gimbal used on UAV’s to capture stable video or still images. A directly mounted camera is never an option for A UAV due to vibrations as well as it reduces user control on the camera direction. The control board for the Gimbal comprises of an onboard 6-Axis IMU, a GPS module headers, connection for servo and an Atmega128 micro-controller. The GPS unit on-board the UAV will provide the Stabilized Gimbal Controller the ability to sense its absolute position on earth. This will help the gimbal to point at the required position all the time, irrespective of UAV heading.

An Atmega128 micro-controller is used for the project since it has more number of timers, PWM output lines, and serial communication interface than any other comparable controller. An additional motion processing unit is also used which needs to be stored on the Atmega128 and is controlled via I2C protocol. The above project is basically a side project for the entire UAV which students from Cornell University used to compete in the Student Unmanned Air Systems (SUAS) Competition. A good project for people looking to work on Unmanned Aerial vehicles

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