When you plug the slider in, you’re briefly shown a splash screen, and you’re then taken to the main menu.

The main menu allows you to choose between the pan, rotate, pan and rotate and object tracking modes. You use the rotary pushbutton to move the pointer between options and then push to select one.

Within each mode, you have a parameter screen that asks you to input the distance, angle, time and directions for the movements. You can adjust each option with the rotary pushbutton and push to confirm the values.

The slider then goes into a «push to start» waiting screen. This allows you to set any starting positions and line up objects for the shot. Once the pushbutton is pushed, the motors are enabled and locked, and a countdown runs for 3 seconds before starting the movement.

At the end of the movement, the motors remain locked in the end position until the pushbutton is again pushed to release them. This is done to prevent the camera from dropping (if at an angle or vertical) as soon as the movement is finished and the motors are de-energised.

I hope that you enjoyed this Instructable. If you did, please vote for it in the Microcontroller Contest!

Also, let me know what you think of it and what you would have done differently in the comments section.

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