8 transistor 2 axis helicopter flight control

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Uploaded by on Feb 15, 2007

This is a demo of a simple 2 axis flight control system for helicopters. Photo resistors are used for sensors. 8 transistors total.

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Howto & Style

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Standard YouTube License

  • likes, 9 dislikes

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Uploader Comments (roboanalogtom)

  • when are going to put up the new video?

  • @brsild Yeah, I'm going to get a few new vids up on PID control for beginners and some on chaotic systems. I've been lazy.

  • do u know where the circuit diagram for this is?

  • @brsild I'll be redoing this when I do a beginners guide to PID video and making it much simpler. The schematics will be in the new video. This was just a quick project and I'm not sure where the schematics are. They might still be hosted by the yahoo BEAM robotics group.

    A 2 axis helicopter can be done with a novel 2 op amp/2 transistors PID/PWM set up and that's what I'll be showing in the new video.

  • Hi, may I know what type of accelerometer/gyroscope are you using? Thanks

  • @vartallion 4 cheap photocells were used, no accelerometer or gyro. On the left, just outside of the vid, is a bright light source that the helicopter locks on to.

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All Comments (15)

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  • lol it would be nice if it could fly on its own without ouside connections or that connecting stick thing

  • like camel

  • It was a quick weekend project. But you're right, the constants are not correct.

  • You should correctly adjust PID constants

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