Homework - David DeMattia

David Boccabella · November 2016

Looking Great Dave.
Very excited to see this finished.

David DeMattia · November 2016

THANKS!

David DeMattia · November 2016

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Craig Caton-Largent · November 2016

Wow, looks awesome!

David DeMattia · November 2016

Thanks @Craig Caton-Largent, I'm having to cut up my underskull to make room for all the mechanisms. Nothing a little more epoxy won't fix!

David DeMattia · November 2016

Eyes mounted in head. It's not very pretty, but it works!

Image: https://us.v-cdn.net/5020761/uploads/editor/dc/ch7kcmlim6n9.jpg

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David DeMattia · November 2016

https://youtu.be/IcXIEeLGkUM

Chris Ellerby · November 2016

Looking good David!

/Chris

David DeMattia · November 2016

Thanks @Chris Ellerby

David DeMattia · November 2016

Final test fit-up of Dragon Snoot and eye assembly. I may not have a 3D printer, but I DO have a disk sander! BOOM!

Image: https://us.v-cdn.net/5020761/uploads/editor/ls/hjosf83j7ze4.jpg

David DeMattia · November 2016

Everything seems to fit, so far. (11/10/2016)

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David DeMattia · November 2016

Independent eyelids installed.

Image: https://us.v-cdn.net/5020761/uploads/editor/ra/tsmz9g8y3s5j.jpg

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David DeMattia · November 2016

Started carving horns.

Image: https://us.v-cdn.net/5020761/uploads/editor/z2/wytai5e3lyta.jpg

David DeMattia · November 2016

Got up early to work on the mouth. CA glued tabs to inside jaw

Image: https://us.v-cdn.net/5020761/uploads/editor/58/wq4l0ouwh7cq.jpg

Attached Ball Joints to lower jaw then attached to head.

Image: https://us.v-cdn.net/5020761/uploads/editor/sx/attc3460939h.jpg

Lower jaw installed and looking for a place to put the servo.

Image: https://us.v-cdn.net/5020761/uploads/editor/ff/o0qdflb74x85.jpg

Movements completed so far: Eyes up/down left/right, independent left/right eye brows, Mouth (servo not installed).

Image: https://us.v-cdn.net/5020761/uploads/editor/qm/r0azdr2io8cd.jpg

David DeMattia · November 2016

Mouth servo installed and tested. The jaw actually works with no binding!

David Boccabella · November 2016

Looking great Dave

I had to leave the class early - so do you have one or two servo's for the jaw?

David DeMattia · November 2016

Just one.

David DeMattia · November 2016

https://youtu.be/lDj3TT8LjLg

David DeMattia · November 2016

I've got Gremlins in my system and for some reason can't get my VSA software to consistently work with my Pololu board. I just hooked it up to my Tx.

David DeMattia · November 2016

I think I can stuff two more servos in the head, so I'm adding EYEBROWS!

David DeMattia · November 2016

Pololu servo board installed

Image: https://us.v-cdn.net/5020761/uploads/editor/dv/nu32zkhkm7r2.jpg

David DeMattia · November 2016

Eyebrow movement added to skull

Image: https://us.v-cdn.net/5020761/uploads/editor/5z/mwndsx78g9m0.jpg

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Cindy Swartfager · November 2016

Thanks David.
For all the photos,lists and videos
They are going to be very helpful

David DeMattia · November 2016

@Cindy Swartfager
You are welcome!

David DeMattia · November 2016

Here is my final dragon head.

https://youtu.be/6Mq6aJGT-nk

Cindy Swartfager · November 2016

That's fantastic

David DeMattia · November 2016

@Craig Caton-Largent
In the last class, you setup the servo limits in the Maestro Control Center before starting up VSA. I then assume that these limits are recognized by VSA? I normally set my limits in the VSA software itself. Are you doing this to protect the servos/mechanisms from the initial power up of VSA ?

Chris Ellerby · November 2016

Hi David,

Here is Craig's response to your questions.

Yes, to both questions. I like setting the limits in the Maestro so the VSA can't muck with them on startup. That being said i have still seen the VSA software over riding the limits of the Maestro so be watchful! - Craig

Thanks,

/Chris

Craig Caton-Largent · November 2016

Awesome work David!

David DeMattia · December 2016

Well, I just couldn't leave my Dragon Head alone! Was having issues with Version 4.0 VSA working with the Polulu board so I upgraded to V5 pro. Got everything working only after finding my servo power supply was under-powered, causing violent jittering during programming. Will be uploading a video later today.

Homework - David DeMattia

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