Finally have been able to upload "thumb5" and "leftthumb5" on thingiverse.


By the way, I made a modification on "bolt_entretoise1" to "bolt_entretoise2" because the previous version had oversized bolts in length, I expected people to just cut them. But seeing pictures from the builders, I realized it confused somehow their assembly. I also added a fastening ring for the bolt that goes in the wrist.

InMoov by Brianhomer + Sugru

You should look at this video posted by brianhomer where he shows his final project. 

The project consist of using InMoov hand controlled through an Arduino with a power glove made by himself.

see: http://www.youtube.com/watch?v=-qlC5OT_ICA

The demonstration with the can definitly shows that finger tips need to have silicone patchs in order to grab objects correctly. 

I have stumbled on a material that could be perfect for this use, I haven't tried it but it seems promising and easy to use. 

Google: sugru rubber

This material could be applied by hand directly on tips or even casted in a printed mold...

Anyway it seems a much easier solution then the one I used on my first hand.

Another thing about brianhomer project is the fact he used only one cable per finger which makes the return of fingers "uncertain", but he plans on building a second hand so I hope to see totally fonctionnal.

I contacted him to see if he would be kind enough to give me the Arduino sketch he came up for his power hand, it could save us time.

Alright, I have fixed thumb4 problem to thumb5. I actually have no idea why it became bigger and couldn't fit wriargeV3 anymore. But I can't seem to upload it to thingiverse on the moment. It's been three days. I am located with a very poor internet connection at the moment. Hope this won't be long. Be patient, or if you are so desperate, go to thingiverse and send me your email, I will return you the STL.

I finally updated all fingers hinges to make it much easier for assembly. If you have an acurate printer there shouldn't be anymore filling nor drilling. Although I have a quality reputated printer, holes shrink a little because of the overhang. I tried of making snap in parts like suggested Easton Lachapelle, but with the test I did, the strength of the traction exerced by the rods would disassemble the hinges.

Anyway, I received the AS5040 Magnetic encoders ordered for the big servos. Soon time for electronics and adventure I really don't know much about...

Also trying to teach InMoov with voice recognition, and object detection. I'm far still from any good result. My camera is not even detected by the software myrobotlab, but the voice gives results. I tried to make him say something before he starts the action but I get really confused in some implementation for now. Those new softwares and concepts have to make their way in my brain first before to be applied to InMoov. 

Here is a little video:

There is someone that needs your interest at the moment, he has done a great job on producing a printable hand in one piece if I understand right. He plans on creating another version you can discover.

He has launched an indiegogo campaign here

http://anthromod.com/blog/?attachment_id=247

I have uploaded on Thingiverse "robcap3V1" and "leftrobcap3V1" for to close the elbow of the forarm. This part is necessary if you plan to go on with the project of the complete arm. It also gives a finishing touch to the forarm...

Here you see it attached to the forarm, with the "elbowshaft1" glued on it.

It needs to be glued to "robpart5V2" or "leftrobpart5V2" depending on which arm you built.

I also changed "bolt" to "bolt_entretoise", because every body doesn't have aluminium pipes in his workshop to make some entretoise/spacer.

Here you see where they are meant to be used.

I have uploaded on thingiverse the new brackets for the servos in the forarm. Here are the instructions for to adapt them inside. These let you decide wether you want to add a fifth servo allowing animation of all the fingers or if you rather keep the Arduino Uno inside the forarm.

I would advise you, if you plan on building the complete arm (biceps and shoulder) to remove the arduino Uno from inside the forarm and get the pinky finger giggling around!

This is how you are going to modify your forarm:

If you just printed the parts, you can go ahead and remove all the brackets from "robpart3 and robpart4V2" or "leftrobpart3 and leftrobpart4V2" with pliers. If you have already glued these parts together, it will be a bit more tricky but I did it, so I'm sure you can.

This is on "robpart3"

Do the same treatment to "robpart4V2"

.

Glue in "stand2" at the place of the Arduino. Make sure the servo actuator will be free to rotate with the rods. Notice the servo (pinky) comes from the back of the bracket. You might want to tight the servo before gluing or drill holes on the side of the forarm for to have access with a screwdriver.

You should have something like this now. Here you see the servo(index)

Set in the servo (thumb) that is half way in "robpart1 or rotawrist". (Sorry on this picture all the cables and actuators are already fixed in, this is due to a lack of the correct photo.)

You should have now three servos aligned in the forarm with the two new brackets set above. Thumb, index , pinky.(again sorry for the lack of picture)

Set above the servo (majeure) as shown.

Attach the last above servo (ringfinger) in it's bracket.

Run the nylon rods as shown. Rods run a bit differently now.

 I hope the following pictures help you to figure out how rods run. Again, it doesn't have to be that way, you might come out with a much better solution.

Rotational wrist printed for robot

I have uploaded the parts for the rotational wrist on thingiverse. This is a nice little extra feature.
see:http://www.thingiverse.com/thing:25149 

I also have modified the servo brackets  in order to have five movable fingers.
This means the Arduino is going to be set on the arm instead of inside the forarm. This modification also makes it much more easy to access the servos because the cover doesnt' hold any more servos. Which means the cover is a cover and only a cover.(Suggestion of Brian from Pittsburgh). 

I will soon upload the new brackets. I made this modification as less invasive as possible. That means if you have already printed the whole thing, you won't have to reprint all the parts but only the new brackets.