/robowaifu/ - DIY Robot Wives

Advancing robotics to a point where anime catgrill meidos in tiny miniskirts are a reality.

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Open file (2.28 MB 320x570 05_AI response.mp4)
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SPUD Thread 2: Robowaifu Boogaloo Mechnomancer 11/19/2024 (Tue) 02:27:15 No.34445
This first post is to show the 5 big milestones in the development of SPUD, the Specially Programmed UwU Droid. You can see the old thread here: >>26306 The end goal of SPUD is to provide a fairly high-functioning robot platform at a relatively low cost (free code but a few bucks for 3d print files) that can be used for a variety of purposes such as promotional, educational or companionship. All AI used is hosted on local systems: no bowing to corporations any more than necessary, thank you. Various aspects of the code are/will be modular, meaning that adding a new voice command/expression/animation will be easy as making the file, naming it and placing it in the correct folder (no need to mess around with the base code unless you REALLY want to). While I'm researching more about bipedal walking I'll be making a companion for SPUD to ride on, so it might be a while before I return to the thread.
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>>34587 >use it in my design, but with credit ofc. Well, that is the idea ;) I just have high standards for public release: I want releases to be relatively well-documented and easy to use. >>34637 >le simple Well, I got inspired quite a bit by Wasuarts, who used a unique way of doing the eyes by having eyelashes drawn on the immobile eyes separate from the eyelid (and the eyelid slides over the eyelash/eye combo), so for the rough face .gif there's actually 4 layers: face surface, eyelid, eyelash, eye. After all, you can't get into the uncanny valley if you never approach it :D I'm working on a more realistically proportioned face (attached, I wonder if anyone can identify the waifu lol) with a quick little idea for a flappy mouth that occured while cutting out the paper templates. I might make the eyes a little bigger, idk. Also took SPUD's breastplate off to try out some different ribcage proportions. Feels like her ribcage is too long/tall. She looks quite robot-y underneath, showing how important aesthetic panels are. I need to figure out a cloth-based way to build up her trapezeus because some of the foam I tried (the green bits behind her right shoulder) didn't work out. Of course I could just pad with foam/polyfill once I get the proportions settled and put her back in the morphsuit, with a few alterations to showcase the robot-y arms n shins.
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>>34641 i aware youre very technically competent but your aesthetics is where it falls a little flat. for the mechts too. theres just no way to look carboardboard not look bad. if those mechs had a nice polishes metal surface theyd look more impressive. it doesnt have to be metal it can be chrome plated plastic. i did this on image 2 image ai. looks cooler. also imentioned once taking it around the city thatd be funny.
>>34643 That's a bit harsh. I think it looks good, especially for an unfinished/unpaneled prototype. My only complaint is that the hands are a bit big.
>>34545 I would do a CC-BY NC. Basically, anyone can use it, but you have to credit the creator, and anyone else can't market it. https://creativecommons.org/share-your-work/cclicenses/ I would look into the licensing thread, but they're into the MIT License
>>34644 i mostly meant his mechs the paper face does have it charm but it has no mouth. maybe an origami mouth? the hair is also interesting cause the hair can be messy.
Open file (145.05 KB 256x256 SPUD's new face.gif)
Made a few tweaks to the face. Once I get these parts animated with servos SPUD will be quite adorkable. Can even do the Mina squint :D The lower eyelid thing I discovered by accident by sliding the mouth panel up further than it should, so I just put a little black on there. Different mouth expressions can be achieved by having a round mouth and the upper lip cutting it off at different points. So different mouth movement distances give the appearance of a frown/unhappy or smile all with the same graphic.
>>34650 That's great!
>>34650 Neat! Real serendipity IMO about the lower eyelid 'squint'. I bet there's a fairly strong causal-weighting with the jaw motion there IRL. Cheers. :^)
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Smol update while I'm in the middle of fiddling with SPUD's new face. Printed a new version of the belly boop: now in 2 parts so it can be offset from its mount on the motor. Main plate now rests on the Ab servos ventral/dorsal rotation axis. Now the ribcage rotates around it perfectly. Delightful :3 Less of a belly boop so much as upper abs now, heh. Bicep pieces are now easier to attach/remove: new version is 2 halves that screw together and are not side dependent (print the same file twice for left/right). Might paint on an orange stripe in the recess. And motor caps now properly press fit onto the ASMC-04B motors. Enough friction to hold anything underneath them in place, but not so much they cannot be removed with a bit of effort. After the face I'll be deploying the basic servo animation program and trying it out. I already calibrated the servos/figured out the joint limits so SPUD should flail around too much :D Just a bit nerve-wracking connecting up power every single time cuz I'm paranoid about short circuits and such.
>>34747 Nice! I love the new plating. Good job on the improved motors.
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A very smol update to give a taste of what I'm dealing with: making sg90-size rack and pinion setups with rather tight tolerances so the face moves where it is supposed to. Gone thru quite a few prints to get everything just right, but the final part is currently printing so I should be able to start sticking SPUD's face on soon. Didn't leave enough room for a couple of gears. What exactly are you looking at/end goal? "Poo parts.jpg" is self-explanatory so we talking about "behind le face.jpg". Big orange gear on the front controls eye y axis and it goes side/side with another rack/pinion setup. There's also those two rack/pinion setups on either side for the eyelid and jaw. The big bar on the eyelid rack is so I can manually adjust the eyelid angle once it is glued on so it is level. I gotta print another for the mouth but that is easy.
If the stomach pad was a touch pad you could make it so SPUD can be tickled.
>>34641 >>34650 Great progress. Thanks for keeping things going. Though, maybe consider making the new face bigger in relation to the shoulders. If she has big ears, it's not a reason to make the face small. She would probably look more feminine. You can try with models anyways.
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>>34777 If I can find the space, I plan to add a few input buttons via raspi GPIO for heatpats, nose boops and belly boops. A lewd programmer could certainly use the concept for... other inputs ;) >>34778 Advantage of papercraft waifu faces is how quickly one can test things like proportions. Started out with the left, but proportions felt wonky so I moved the face further down the... uh... face. What looks fine on screen can take on a different life once printed off. I'm quite happy with proportions of the right one. Bigger face means more space to cram in linkages and whatnot. I used an ancient laser printer so colors are a little washed out, I'll be sure to print on a nice inkjet once I confirm it all works.
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Face mechanism is finally complete (eyelid, flappy mouth and eye mounting plates are in orange), and with the new size of the face squeezing in eyebrow mechanics looks like it might be easier.
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I have built a goober.
>>34799 Well that does look nice
>>34780 >proportions Yeah, I think it's better than before. >>34799 Nice. But it would still be great if the standard mouth opening (talking) and blinking would alternatively be possible with solenoids to make it less noisy.
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>>34829 A robot with motor noise is like chocolate and peanutbutter. They just go together :D Plus my camera can be weird with audio levels. Solenoids might be quieter but they don't allow precise control. In fact they really only have fully extended/retracted unless you do silliness involving voltage levels, which would be hard to do with just a servo control board. And space inside SPUD's skull is at a premium. I ordered some higher quality microservos with metal gears that are supposedly more quiet. Shipment should arrive sometime next week. Meanwhile I'll have to get around to swapping out SPUD's face (and figure out the eyebrow linkages). Also ordered a shipment of smol Neodymium magnets to see if they are powerful enough to mount the face panels. This way I don't have to constantly rip the paper and hot glue to do face maintenance.
>>34834 I'm aware that solenoids don't allow precise control. My argument was to use them for some fast standard mouth opening. Not sure how you could combine this in one mechanism with servos, though. If both would options in pulling a string it might work. But if you have no space, then it's of course not possible.
>>34799 >>34834 Excellent. What a nice improvement for dear SPUD! Please keep up the great work, Mechnomancer. Cheers. :^)
>>34842 bldc work i guess and are quiet and more convinient. I dont think any of the mouth designs are good enough though because none can form the letter o. Maybe use sticks attached to a universal joint.. 6 of them. well in that case electromagnets might make more sense because theyd take up less space. But pure iron is hard to find. might work for paper as well.
>>34853 arent these things just pure iron, you can demagnatize it by putting it in the oven i think, maybe hit with a hammer to teach it a lesson
>>34854 electromagnets should be pure iron. regular magnets are made out of colbalt and something else, the best ones are the neodyum ones. copper can be pulled by a regular magnet as well when its charged and that requires less emergy however regular magnets are prone to losing the strength over time. the realistic approach of diy iron is mixing iron powder with epoxy and acetone i think bu t i dint want to get stuck on this. theres 12 volts electromagnets that advertise like 25 newtons ofce whicjlh is quiet strong but it has high energy requirements and might be overkill for the face.
>>34856 thats good, i found a table and the iron cobalt alloys have even better permeability than pure iron, like permendur ( 50/50 iron/cobalt ) thats definitely what you want for an electromagnet
>>34859 ok, this chain should be moved to the prototype thread though, ill repost everything after >>34853 to >>28715 so chobitsu can delete them from here, dont know if my script still works
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>>34834 There's a warmth to the subtle whirl of gears. You can make your gears quieter by filling them with dielectric grease and mounting with I recommend silicone based grease. You can also use gaskets on your mounting screws to help isolate vibrations from her frame. If you want her facial motion servos to be quiet, I would recommend placing as close to the center of her skull as you can, and gluing felt to the inside will help to reduce noise tremendously.
>>34890 >warmth to the subtle whirl of gears Not so much, if it's a whole humanoid body full of them.
>>34890 Lube is certainly something to try. The majority of the noise is from the plastic gears in the cheap sg90s and not in the frame. I ordered some with metal gears which should reduce noise (and come pre-lubed) but won't arrive until the 17th. Taking apart an sg90 to grease the gears would be quite an experience with all their itsy bitsy little screws and whatnot. >>34894 >body full of grinding gear servos She's actually surprisingly quiet. I re-posted the arm test for ya. The sg90s are loud spazzy beasties. A quick and easy way to reduce gearbox noise is simply to move the motors slowly :D However it doesn't look like I'll get her face swapped out until I at least get those new servos on the 17th. But since she has a built in b̶o̶o̶b̶ boom box to speak with, there should be enough volume to drown out servo noises.
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>>34898 >Lube is certainly something to try.
>>34900 Sometimes we make a little funny :D
>>34900 >ywn SPUD starring as Mitsuko Miyazumi... Why even?
>>34898 > I re-posted the arm test for ya. That's surprisingly quiet. Thanks.
Installed new face but haven't gotten around to installing the metal gear servos because it is a delicate operation. Tbh I might just print another face for the metal servos. Just a simple script running at the moment cycling the different servos, but I'll be adding in "expression files" in the form of txt files containing a list of servo positions. Also need to add in those dang eyebrows >_< Also started re-doing hair in a lighter shade of yellow foam, excited to do the back half and for my magnets to arrive to make the different parts modular. So if I want her to wear a hat I just yoink parts off until the hat fits.
>>34960 The new proportions look great, Mechnomancer! Nice work. <---> Please review ( >>34962 ) regarding your missing files. If you can reupload them as a dump onto >>>/meta/ then they should reappear here, last I knew. < update: please hold off on reupload'g files Mechnomancer (but please organize them ahead of time). We ran a little check on this just now, but it failed (cf. >>34968, >>34970, >>34971 ). Robi's working on some kind of tool addon to help rectify this issue. Stay tuned. >=== -add 'update' note -minor edit
Edited last time by Chobitsu on 12/18/2024 (Wed) 06:01:39.
>>34960 I'm new here. And I'm incredibly intrigued. I got to see a couple of your videos while lurking before the data loss but I haven't seen anything explaining the whole project. Curious what the final goal is. So far it looks amazing. Cheers!
>>34967 >remedying le great file loss of '24 Will do. >>34975 I got a description in the first post of this thread, but a TLDR would be: a simpler, anime-styled InMoov
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Spud slumbers peacefully, happy with her new face and magnetically attached updo/ponytail thing.
>>34982 >Will do. Let's keep our fingers le crossed. :D >>35005 A cute! New face adds a strong dose of character-appeal, Mechnomancer. Looking forward to seeing what else you come up with for dear SPUD. Cheers. :^)
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SPUD is dressed up for Christmas, and says her first words with her new face!
>>35082 Nice. Merry Christmas to both of you. That said, the voice doesn't sound very cute.
>>35082 Naicu! That's pretty appealing, Mechnomancer. GG.
>>35086 Maybe it she said an "Ara ara"? ;) Come the new year I'll be looking into training my own ai tts model with piper. Gtts is nice but cloud based (I think) and I'd like to get a local solution. All the pipers model speak too fast for my liking and slowing them down takes a considerable amount of post processing time for spuddys on board computer
>>35094 >Maybe i[f] she said an "Ara ara"? ;) Kek. This. >Araara!! Well, good evening Mr. Motosuwa-san, Miss Persocom-san...
Open file (333.09 KB 1349x1049 SPUD sternum.jpg)
Printed a new sternum plate (bottom right) to give SPUD a bit more of an hourglass appearance. Due to how anatomy works she'll be getting the wide female-looking hips once I put the legs on, probably attached via 3d printed ball joints. Also going to start looking into a few cloth panels (think partial muscle suit) to give some muscle definition in areas such as the abdomen (and maybe the thighs depending how things go). That way when SPUD is wearing her morphsuit she has some pleasant-looking lumps lol
>>35221 > That way when SPUD is wearing her morphsuit she has some pleasant-looking lumps lol Noice! She's already looking better now. GG.
>>35082 Very cute picture! I think for the grinding sound; you can try some sort of foam for sound absorption.
>>35221 Great, but when will you make a thin circular layer with little holes for the centers of her boobs?! This should be extremely simple and would improve her looks a lot.
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>>35230 A problem I've discovered is the raspberry pi analog audio circuit (3.5mm headphone jack) picks up noise from the servos, so its actually a bit louder than it should be. Servo setup for the face is pretty tight, so I might have to redesign the whole thing to fit some foam padding between the servo mounts and the chassis. Maybe I could also look into stealing the audio off the hdmi out, but if anyone else has suggestions I'm open to it. >>35241 I am considering making some "public boobs" for her, which will be covering up the speakers. I also got some high-power magnets which I have in her ponytail (should make a vid of that at some point) so it is possible to make "hotswap boobies" kek. Ugh SPUD's hair is a mess I gotta do something about that (only taped together after all lol). Thinking of robo-boobies and faces got me thinking of Black Magic M-66 so thanks for that :P
>>35256 >"Momma! That robot has boobas just like you do!" >"I know, Johnny. Hush! Don't look at the perverted man..." :DD You can't mek an omellete w/o breaking a few eggs, bro. :^) >Ugh SPUD's hair is a mess I gotta do something about that (only taped together after all lol). Ehh, I like it. I hope you solve the audio issues, Mechnomancer. Cheers. :^)

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