Hello all,
I wanted to start my own thread to discuss my Inmoov and my conversion to EZ Robot.
I appreciate all the work by the MRL guys but I struggle with it. I am indebted to the help they gave me but I needed something a little more along in development with some documentation.
So here is my guy. Pretty standard build as far as inmoov's go.
Here's the back. All the standard inmoov components. Dual 256 Megas, Nervo boards USB hub, Power supplys etc.
So the tear down begins. I need to clean up that wiring too. What a rats nest!
I just received my EZR controller and camera so I have no idea how to program it yet. I figured I would at least try to set up a GUI that allows me to manually move the servos like the MRL swing GUI. Five or six hours later and a few tutorials and I have this three screen model. I was easily able to add way more than basic servo control.
Here is the main control screen. Contains the face tracking speech functions and a custom Pandorabot for AI. Some MS cognitive stuff as well.
Here is the second screen. Head functions with a mouth control servo, neck, torso, and the 2 neopixel rings I have.
Third screen is for the arms and hands
So now I pretty much have all the same functionality I had in MRL give or take. I am pretty sure I am not doing this entirely correctly but it will come with time. Need to get into the scripting. I guess there are some tutorials to watch. So far my experience has been pretty good and in a day eclipsed my MRL progress of the last 6 months.
I'll update this thread with my progress and appreciate any feedback.
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By Perry_S
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I'm willing to even open a new forum question about this, but wanted to at least start here where Inmoov is actually being used.
We had a friend let us use his FLsun 3d but honestly its a piece of.... *eyeroll* *eyeroll* and he honestly chuckled when I told him the same thing.
I've had the best luck with Hatchbox filament.
Gael designed the original InMoov so it can be printed on any printer with a 20cm cube build space. The smaller pieces glue/snap/screw together to make the bigger pieces...
very interesting to know as the information we knew about was taken from here
http://inmoov.fr/build-yours/ and it suggested a size of at least 12x12x12
Thanks and I'll start by taking a look at the above printer
so as to NOT take away from this forum thread. Please add to it, if you have experience in the 3d printing arena. Thanks
Darwin-OP
Wow that is 1.25 miles of copper tape! Ok I'll check it out.
You are going to flip over this. James Bruton has a much better version of his walking robot I have not seen. He spliced in a sneak peak using actuators at the end of this video. Fast forward to 10:45. Now this I like.
Here are some actuators:
https://jet.com/product/Heavy-Duty-Linear-Actuator-12-Volt-6-Stroke-2-Steel-Brackets-Included/7d9f78552f0c42129c59ff71c77fe1ac?jcmp=pla:bng:nj_roc_gen_electronics_a1:electronics_car_vehicle_electronics_car_safety_security_a1:na:PLA_333246465_1213861007457062_pla-4579465930794947_c:na:na:na:2PLA15&pid=kenshoo_int&c=333246465&is_retargeting=true&clickid=54609dbc-143e-47ea-9f3c-1bbbeab882bb&kclid=54609dbc-143e-47ea-9f3c-1bbbeab882bb&msclkid=e95ae073272415b54b50bbc99bbbab30
Best wishes!
I also found this from Alexander Bersenev on youtube. I am 100% going to build this with added in coil spring shocks.
I think that the problem that bipeds is in the actuators. Finding actuators that can offer the speed, power, weight profile we need limits all. The human muscle really is a great invention. The best walking robots I see are centered around highly engineered (expensive) actuators tied together with some good code. All the structure that hold them together is the easy part. We can do that.
That last video is pretty cool and shows promise like many others. Once again it is a tiny bot, tethered. I will follow him because it is interesting. Burton's stuff is pretty cool to. Watching his videos he laments a lot about needing better actuators.
I recommend you start a new walking robot thread. I'd like to keep this one about inmoov's.
Perry
*edit* Did you see that ist is five years old, in the comments someone even mentioned that the guy might have died or something! It's a great build, sad it's never been updated or worked on!
Question: Is EZ robot easier to calibrate the servos?
EZ-Robot - ARC makes all things servo related easier. You can download ARC software for free and mess around with it. Super easy to learn and lots of examples and videos.
The short answer is YES! I converted from MRL a year or so ago, and after getting over the first few bumps of the learning curve with help from everyone on the blogs here, and help & other EZ resources I had my InMoov doing more in a couple of weeks than after a year of fiddling with MRL... who are great bunch of talented guys, volunteering their efforts to an on-going open source exploration of running things InMoov and etc...
I would say it is a little easier to configure the servos. More importantly for me it is a stable platform that is backward compatible for the most part. When I used MRL there would be a code update and endpoints or scaling had errors and I would burn servos.