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Pan & Tilt Camera

Modified: 09/26/2009 @ 11:34 PM by Hoss - Categorized as: Robotics
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Overview

Back before most people did any kind of video or webcam stuff on their computers, I was really into it. I wrote some software to stream video across the internet to a web browser using an activeX control. I got the idea one day to use a couple hobby servos and a Ferrettronics FT639 chip to build a small PC controlled Pan & Tilt device so I could move the camera around while watching it from anywhere in the world. So I did. I don't have the code for it anymore. Heck, I don't even have the device anymore as I took it apart for other projects.

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Photos


Not a lot going on inside the base. Just the circuit board I made, the bottom of the 'pan' servo and the serial port jack.

The pivot side of the 'tilt' axis. Used a screw with a flat spot on it as the hinge.

The 'pan' servo. The wire coming out is for the 'tilt' servo.

The 'tilt'servo. The tape was to keep the wire from pulling to the side and then being too short the next swing back.

Serial cable connected. The FT639 chip had a very simple command set which made controlling the servos dead easy. The two small holes are for the power cable (I moved the circuit board at one point and had to drill a new hole).

One thing I didn't like about the design was that the entire weight of the camera, mount and 'tilt' servo all rested on the output shaft of the 'pan' servo. Made it a little wobbly and I'm sure would have made the servo wear faster.

Aimed forward and up. The tape was just to help keep the camera's cord from pulling.

Up and to the left.

Final placement of the cords. Worked very well. I should have kept it. Oh well, maybe I need to make a better one!

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