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Cannon gimbal - side view
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Solenoid valve manifold
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Canon gimbal - top view
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Air storage and release manifold
Components:
Cannon:
- Re-purposed schrader valve interface to bike pump for pressurization
- Large PVC pressure vessel for air storage, rated to 20 PSI (plenty for such a large air volume)
- Two high-flow brass solenoid valves: one to a small auxiliary tank that allows for repeated firings, and the second to fire the cannon itself.
- Interchangeable cannon barrels supporting Dots and Peanut M&Ms
Gimbal:
- 2-axis stepper-motor aiming system supporting the cannon barrel
- Laser cut acrylic design facilitating direct pan drive and linear tilt drive
Electronics and software:
- Nvidia Jetson running OpenCV for face tracking, distance reckoning and active estimation of positional error
- Arduino with stepper drivers for interfacing with gimbal and solenoid valves
Built With
- bike-pump
- nvidia-jetson
- solenoid-valves
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