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Ray Edgley posted an update 2 weeks, 3 days ago
Looking at making Fred a Bipedal walking robot.
But before starting on the design, we first need to know and understand what all the challenges will be.
As part of working on this I have now uploaded the first of the walking robot series to YouTube
This will be a huge project as I investigate each of the problems we…[Read more]
Ray Edgley posted an update 1 month ago
Finally the power up and testing of Fred’s head
Fred’s Head Part 7.
This is proving to be a bigger job than I first expected, Hopefully it will be all worth it in the end 🙂
Next week, the power up and testing
Ray Edgley posted an update 1 month, 2 weeks ago
Part 6 of build Freds head is now out.
I hope you enjoy it 🙂
Ray Edgley posted an update 1 month, 3 weeks ago
In this weeks video, I mount the Raspberry Pi 3 into the head of my Inmoov robot Fred
Ray Edgley posted an update 1 month, 4 weeks ago
Now that I have most of the head together, I should think about setting up the Raspberry Pi 3 with MyRobotLab
In this video that what I will be doing.
MRL is not the only way to control the Inmoov robot, but it is the official system for the Inmoov project.
Others have successfully used EZrobot for their non-standard robots, and recently I was…[Read more]
Ray Edgley posted an update 2 months ago
Well i finally got the Advance eyes installed in to the new head for Frem, my Inmoov Build.
Ray Edgley posted an update 2 months, 1 week ago
Continuing on with building a new Inmoov robot head for Fred.
This time I work on the eyes 🙂
Ray Edgley posted an update 2 months, 2 weeks ago
So I started building the new head for Fred, my Inmoov build.
The Transparent filament looks really cool for a robot head. 🙂
Ray Edgley posted an update 2 months, 3 weeks ago
Starting to work on a new head for Fred.
This time, I’m going non-standard and printing out re-mixed parts,
but before starting, I needed something to sit the head on while i work on it.
Meet Fred’s new head stand.
Kaa posted an update 3 months ago
I’m about to order my first finger starter and planning to print it through an online store. If I’m using PLA to print with a layer thickness of 0.1mm, what would the recommended solid infill be? There are 3 options to choose from at my local printers: 20% sparse infill, 50% or 100% solid infill. Any recommendations?
Ray Edgley posted an update 3 months ago
I decided it was time to look at the NeoPixel ring in Fred’s stomach.
The NeoPixel Ring video is great! Ray, your series of videos are very helpful to InMoov makers. Thanks.
Thanks for your comment,
There are a couple of us who are showing the way now,
There is only so much that can be conveyed with words and pictures, and with so many languages, sometimes a moving image can be better.
I know I have learned a lot with this project, between this site and the videos from Kyle Campbell…[Read more]
Ray Edgley posted an update 3 months, 1 week ago
I spotted this Grove AI HAT for Edge Computing.
Its designed to connect to the Raspberry Pi and act as an AI Accelerator for the Pi.
So I got one to have a bit more of a look.
Ray Edgley posted an update 3 months, 2 weeks ago
Well in my last video, I ran into a problem when i went to attach the legs, they didn’t quite fit.
This week, I have fixed that and now Fred is standing
He’s taller than I thought he would be, either that or I’m shorter….
Ray Edgley posted an update 3 months, 3 weeks ago
Continuing the video series on the Static Leg,
Here are the thighs 🙂
Ray Edgley posted an update 4 months ago
Turns out the Inmoov robot is taller than me 🙂
Love the red. I’m enjoying your videos on the static leg assembly. I’m interested in the sizes and quantities of any nuts and bolts used.
The following quantities are for each leg, so you will need to double them for both legs.
1 x M8 x 125 mm and 1 x M8 x 95 mm long for each knee.
Connecting the knee to the Tibia I have used 3 x M4 x 40 mm long with the head of one flattened to allow it to sit flush against the front wall of the Tibia when facing up.
Theses could have been 25 mm long, however only had 20 mm and 40 mm long on hand.
As it turns out the middle of those three is convenient to tie back to the small trolley I…[Read more]
Connecting the Knee to the Thigh I used 3 x M4 x 20 mm long nut and bolts, with the nuts being plastic welded into the knee joint.
On the back side is the locking part that has 2 x M5 X 40 mm long countersunk.
The nuts were plastic welded into place.
The feet have all wood screws installed and I don’t have the gauge sizes for the screws I used, these are ones I had on hand, but there are 13 in each foot.
Hope that all helps.
Thanks Ray, that’s a massive help.
The last video in this series is scheduled to go live on Friday.
Do you link it would be helpful if I include this list of parts in the description as well?
Yes as it will make it easier to find. The info will probably get lost in this forum as time passes.
Good news is, as a result of your request, I also went back to the last video, and added the parts list in the description of the Video.
If one person asked, then there will be many other who will want to know as well 🙂
Now complete, Fred\’s Knees
Ray Edgley posted an update 4 months, 1 week ago
So continuing to build the static leg for Fred, my build of the Inmoov robot.
Ray Edgley posted an update 4 months, 3 weeks ago
Ok, so i started to print out the feet and ankles.
So far all looks good.
Ray Edgley posted an update 5 months ago
Since the last video generated some interest in my build of the InMoov robot (Fred) I thought I would pull off one of his arms and give you a look inside.
Great job Ray. The print look outstanding.
And that was done with what was then a very cheap CTC printer back in 2017.
The printer also had errors in the calibration of the X and Y axis, so all joints had to be filed to make them fit.
So even with a crappy print, you can still build a working Inmoov 🙂
It\’s been a while since I did anything with the Inmoov project.
So I decided to print the Inmoov statue again, but this time at 300 mm tall.
Came out OK.
But have a look for yourself 🙂
Ray Edgley posted an update 2 years, 12 months ago
Just a splash of red paint, cause everybody knows, red goes faster….. ;=)
Remember racing stripes can make him self aware.
You are soooo right, I forgot about that.
Will look into it when I get on him 🙂
Maybe even some gold lightning emblems on the side of the head 🙂
Very nice, Simon says Flash!
Ray Edgley posted an update 3 years ago
2 out of 3 Raspberry Pi 3’s installed in the head.
That’s alot of pi! Is fitting a third in there possible? Looks great though, very clean setup in that limited space.
It is possible to fit the third one and then i still have to work out how I want to split the processing load across them.
As Gael said somewhere on this site, the RPi even the Model 3 still is not quite powerful enough, but they are cheap enough to add multiple so speed up processing, paralleled processing if you will…
You could put one PI in the body to connect to the Kinect or just give him a gut feeling. Nice HAT on the PI.
The HAT on the PI is the Adafruit 16 Channel servo driver. Also breaks out the Pi Header and is where I grabbed the 5V from to run the other Pi.
Fred InMoov first video, shoulder view of Bicep rotate.
This video upload is in response to lorn Campbell query as how it works with the Bicep rotate.
My recommendation for anyone wanting to do the same thing, would be to use a ribbon with more than 16 conductor and spit the extra across the power wire.
I used 3 for the servo power 6 Volt and 3 for the servo power 0 Volt, this may not be quite enough,…[Read more]
Got to the bottom of the Elbow destruction.
The smaller servos for the forearm were a long time in coming, so i had the larger joints all fully operational and calibrated long before the servos for the fingers arrived.
After I installed the servos for the wrist and fingers, i neglected to re-test the elbow until yesterday, at that point the wires…[Read more]
Nice and smooth. Your print quality looks really good with no banding.
Looks can be deceiving, but thanks for the complement.
The shoulder pieces are probably the best parts on the whole robot, I’m more pleased at getting the ribbon to work through the bicep gear.
Some of the earlier pieces had real bad banding, turns out a spacer i fitted to the top of the Z axis screws to reduce the banding actually made it…[Read more]
Ray Edgley posted an update 3 years, 1 month ago
Mounter 16 channel PWM Servo driver in the left bicep.
Also added a small SMPS buck converter in the power supply line to allow for later increasing the a 12V or higher battery system.
Tripled up the wires for the power supply to cope with the current draw of the servos.
Only need to sort out a connector for the power in the shoulder and…[Read more]
Running a 16 way ribbon through the Bicep Rotator is tight, but it is doable.
Held in place with CA glue.
Next job, terminate each end to where they need to go.
Coming up on 6 weeks, the Top Stomach parts have been the biggest challenge so far.
Parts were very tight, then one of the wire came off the servo pot, worked during testing, but not after assembly. Bummer.
Have now mounted the servo’s in the left hand, will have to work on the fingers next.
Can’t install the Neo Pixels yet, turns out it not…[Read more]
I am unable to snake my wires through there. The piston interferes. I have them bundled though and might have to unbundle them so they can fit. I am using servo extension leads though and not ribbon cable.
Wow, the cables fit through the gap. What happens when you rotate the arm? The arm cables have always been an issue on my InMoov, have run the forearm & hand in sleeving externally, but the shoulder cabling is still a mess.
Great pictures, looking really good Ray
The cable relative to the shoulder moves in the gap, the cables relative to the bicep are stationary. The elbow piston clears the ribbon cable by a 2 mm inside the gear, gets a bit closer outside the gear on the bicep end but still clears it just.
This being my first post here, I must thank Gael for all his work on this project that he has made freely available and more importantly the foundation of this community.
5 Weeks in the making, it is soooo painful waiting for the 3D printer.
I do have a query, has anyone else had trouble with the InMoov scripts not using the config files for the…[Read more]
You have hit the same problem as I have. The InMoov services are made specifict to use Arduinos. I discussed this with GroG last weekend, and I learned how they can be changed to make it possible to use the type of configuration that you have. The problem with making that change is that it’s difficult to make that change, and still keep backward…[Read more]
Your timing is incredible, I have just did-assembled half my robot to start installing the top stomach. In the photo above you may notice the pistons on the table already printed. Yesterday, all the small servos arrived, so I now have the jaw working and have mounted the 6 servos in the left hand.
In a day or two when I have Fred…[Read more]