ptp
USA
Asked
— Edited
I would like to add Pan/Tilt to a Tablet to be the Robot Interface 
besides the rotation & lever servo i will need:
Clip'n'Play Adapter Plate
Extension Cube
similar too:
The tablet is 7" and the weight is 370g (0.82 lbs)
some questions/issues:
1) Tilt servo (Lever Servo) can a EZR HD servo handle 400g ?
2) I will need a frame similar to (thingiverse):
but with a female EZ-BIT
I'm not familiar with 3d tools, zero "nada" skills!,
1) anyone did something like that ?
2) can someone build or adapt an existing frame to support a 7" tablet (119.77 x 196.33 x 15.36 mm) ?
3) other ideas ?
any help/ideas will be appreciated
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"Zero" position
"Down"
"Right"
The bracket on the right side will allow the top cameras located on front & back to work without being blocked by a vertical frame.
It seems a nice fit, but instead of a lever servo, is needed two rotation servos, but is need also a special bracket to connect the top rotation servo with the horizontal servo or i'm missing something ?
@DJ,
Do you think the Gimbal setup will minimize the servos force ?
the gimbal setup to a back pivot is something like this:
or there is any alternative to vertical frame blocking the back camera ?
A simple bracket that will hold the tablet and let it tilt about center mounted pivots
and that could be rotated at its center for yaw should do it.
Maybe this will give you an idea:
Is it possible to adjust the dimentions to fit a ipod touch? that would be cool...
58,6 mm
6,1 mm
Hight : 123,4 mm
Wide : 58,6 mm
Dept: 6,1 mm
Weight : 88 gram2
lever on the back.
Don't you think the servo has more stress to hold the tablet versus the initial setup, bracket bellow the tablet ?
Yes, that should work.
@Dj:
once again thanks for the help.
front:
back 1
back 2
detail cube:
I was in a rush and i sent the first design (without the back clip & play) to shapeways to print, one day after entered in "production" and they didn't let me change the file, and it took forever (only got it last weekend).
I hacked the back with a thin abs plate and a female adapter plate.
@DJ:
Does exist a MALE Clip'n'Play Adapter Plate ?
I found it (**different color**)!
I'm using a cube but without it will improve the stability.
Guys,
Any thoughts ?
There will be a lot of side load stress on the pan servo. You may want to look in to the servo blocks at ServoCity.
Servo Block
It fits perfectly i used some foam tape inside the 3d print case to avoid scratching the tablet.
@RGordon:
yes that is the weak link (horizontal servo), i think the stress is higher when the base starts to move, also i need to minimize the vibration.
I'm using 80/20 frame for the robot spine and head, i will need to add some actobotics frames to help the mounting, unfortunately i'm not familiar, so i need to do some research to avoid spending extra money.
Are you familiar with their products ?
You will have to choose what type of servo spline shaft hub to match the type of servo you are using. They have a guide somewhere on the website to help with that.