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    Re: First steps for Super Mega Microbot

    They claim it is significantly stronger and stiffer than straight nylon. https://support.markforged.com/hc/en-us/articles/209934486-Onyx

    Subjectively they certainly feel much stiffer than what I...
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    Re: First steps for Super Mega Microbot

    In this case the gearbox is actually supported by two separate bearings internally on either side of a planet carrier, so it is plenty rigid and robust to torsional loads. However, the Onyx printed...
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    Re: First steps for Super Mega Microbot

    Yeah, I'm not worried about anything getting fractured by BBs with any of the materials, even shapeways nylon. I used Onyx for the legs because they were bearing load over a long lever arm. With at...
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    Re: First steps for Super Mega Microbot

    Nope. The only machined part in the whole assembly is the piece of aluminum scrap holding the motors onto the guide rail that I butchered with a jigsaw, drill press, and dremel. Everything else is...
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    Re: First steps for Super Mega Microbot

    Slow but steady progress...


    https://youtu.be/pVTEgMYdDoI
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    Re: 2018 Tucson Mech Brawl

    I'm not going to be able to make December, but would be up for coming in the spring if you pull together something!
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    Re: First steps for Super Mega Microbot

    Certainly could be more robust. Also a lot of new ways for it to get busted too... ;) I was putting 200W into this one for short periods and boy does that motor get hot quickly!
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    Re: First steps for Super Mega Microbot

    Another update... trying to see if I can build some more capable actuators for faster walking (maybe eventually running?): https://jpieper.com/2018/10/21/improved-actuators-for-smmb/

    ...
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    Re: First steps for Super Mega Microbot

    An update:

    Our concept had been to have a moderately capable computer on board so as to do computer vision, and use 5GHz wifi to get HD quality video back to the control station. On paper that...
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    Re: 2017 Robogames Mech Warfare Qualifying

    Our turret worked great, we had some problems with the USB on our processor board cutting out. With our wifi and video over USB, when it cut out, it was end of match. That said, overall it worked...
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    Re: mjbots piezo target panels

    I've been wanting to be able to verify the performance of target panels for some time, and finally built up a test fixture. Using the pressure regulator on an air compressor it can fire variable...
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    Re: 2016 Robogames Mech Warfare Final Results

    If anyone is interested, I've posted the videos from our operator console for each of Super Mega Microbot's official matches.


    https://www.youtube.com/watch?v=VNCp2Ivnfxc
    ...
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    Re: 2017 Robogames Ideas

    This is why I'm not very excited about an ESP8266 solution. I think the 2.4GHz range can be fine, assuming you control things at the link layer and design an appropriate protocol. With the ESP8266...
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    Re: 2017 Robogames Ideas

    I've been thinking of several things with respect to the target plates:

    Mikhail and I were trying to figure out what airsoft mechanism would allow the FPS to be continuously varied. Then you...
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    Re: Robogames 2016 Mech Warfare Announcement.

    I have an extra aeg gearbox and a full set of extra scoring panels. They just need the .1" headers I also brought soldered on (unless you happen to be using JST PH connectors too).
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    Re: Robogames 2016 Mech Warfare Announcement.

    Anyone from team R2FU at Harvard reading this thread? Want to do a practice match here in Cambridge locally before shipping out to Robogames? PM me!
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    Re: First steps for Super Mega Microbot

    We did a scrimmage last night between the two versions of Super Mega Microbot to check out how things were working. Here are the final two matches where everything was actually working.

    ...
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    Re: 2016 Robogames Mech Warfare Qualifying

    And here's one for Super Mega Microbot 2:


    https://www.youtube.com/watch?v=r_9highfbJ4
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    Re: First steps for Super Mega Microbot

    And I've now got a more detailed write-up at: http://joshp.no-ip.com:8080/blog/robots/20160206-gimbal-stabilized-turret.html

    MacroFab guilted me into writing it up... ;) They haven't paid me...
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    Re: Robogames 2016 Mech Warfare Announcement.

    I'm in the process of building up 4 or so spare sets of the Boston variant panel and can sell you a set at cost if you're interested. $60 for set of 4 full sized panels plus shipping.
    ...
  21. Question(s) Re: How to build and download firmware to Arbotix Pro

    While I haven't programmed the Arbotix-Pro specifically, I have had a lot of success using stlink: https://github.com/texane/stlink both with the official ST-Link dongle and with discovery boards...
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    Re: First steps for Super Mega Microbot

    Our actual plan is to use the camera feed itself to keep locked onto a target during translation. We're doing the IP camera part ourselves, and our camera spits out simultaneously an h264 stream...
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    Re: First steps for Super Mega Microbot

    And now, finally, I have a working inertially stabilized gimbal! Neither it, nor the walking gait are necessarily tuned that well, but here's my youtube existence proof before I return to getting...
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    Re: Robogames 2016 Mech Warfare Announcement.

    We'll be there with one mech from Boston.
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    Re: Robogames 2016?

    giantflaw: Were you mailing Dave to try and organize an event, or just to see if one was happening?

    If the Tucson arena is transportable, I'd be willing to pay to get it to CA for Robogames and to...
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    Re: Robogames 2016?

    Well, it looks like David just sent out the announcement for Robogames 2016, so it seems likely to happen. giantflaw, maybe try his direct email: dcalkins@robogames.net ?

    Feel free to cc me at...
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    Re: Robogames 2016?

    I also tried to get a hold of Andrew with no luck on the same subject. If I had had more bandwidth, I was just going to mail general@robogames.net and see if David can help out. I'm guessing that...
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    Re: Robogames 2016?

    Well, I think that is just because it wasn't in 2015 and no one has stepped up to organize it yet. I'm not certain we'd want to if we had to build an arena too, but are still considering it.
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    Re: First steps for Super Mega Microbot

    Thanks!

    So far I've only thought about vertical plates for the lizard configuration, where the HerkuleX mounting geometry doesn't make a single flat plate very convenient (as evidenced by the...
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    Re: mjbots piezo target panels

    "worked great" as in it registered hits when it should have, or just that it provided you with an invincibility shield by never registering anything? :)

    I'm curious if it had more false positives...
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    Robogames 2016?

    Mikhail and I were thinking of making Mech Warfare happen at RoboGames 2016, assuming the event actually happens again this year.

    I've tried contacting Tyberius, but haven't gotten a reply yet. ...
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    Re: First steps for Super Mega Microbot

    Now we've got things wired up, and have the our full software system running onboard:

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    https://www.youtube.com/watch?v=MSAmmHjaxR8&feature=youtu.be

    The gait engine is running at...
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    Re: First steps for Super Mega Microbot

    More slow but steady progress...

    The odroid shield came in from Macrofab, as did the mounting plates, servos, and feet supplies. I haven't brought up the daughterboard yet or wired everything,...
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    Re: First steps for Super Mega Microbot

    Fortunately, the rubber feet I've been using seem to work pretty well even as the angle changes during a contact sweep even with pretty steep contact angles. Two well publicized, but larger robots,...
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    Re: First steps for Super Mega Microbot

    I got my first boards from macrofab back for a second rev of the scoring system a week or so back and they seem to be working out just fine.

    Also, some minor progress to report on the mech itself....
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    Re: First steps for Super Mega Microbot

    Next up I'm working on a new chassis and an integrated odroid daughterboard to go with it.

    6084

    No one seems to go with mammal style bodies, but I wanted to experiment with it for other...
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    Re: First steps for Super Mega Microbot

    And now, some more upgrades in progress... a prototype gyro stabilized turret. This is just a proof of concept video, with a hacked up aluminum gimbal frame and an off the shelf Martinez gimbal...
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    Re: RTEAM Robotics Club Mech Warfare 2015

    At most I'd think you would want a longer timeout. It wouldn't be that hard to just ensure that one side of your bot always faces the opponent given that most bots can turn much faster than they can...
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    mjbots piezo target panels

    I realized I haven't actually posted anything specific about the target panels we ended up building for the Boston Mech Warfare expo, so here we are.

    We had a piezo design sitting on the shelf for...
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    Re: Boston Mech Warfare 2015 Expo

    If people are interested in coming, I can certainly host semi regularly, although probably every 2 or 3 months would be about as frequent as I could manage. As Jon can attest, our venue is pretty...
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