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  1. Replies
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    Interesting Raspberry Pi custom services

    Browsing for some details about the new Raspberry Pi ZERO I stumbled on this service from element14 for customisation of Raspberry PI: www.element14.com/custompi.

    I think there will be a lot of...
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    Project Re: DIY FSR Feet for the HR-OS1

    It's great to see that so many people are progressing with this topic!

    I wanted to share my progress and I hope over the weekend I might be able to finish most of it.

    63076308

    I'm using the...
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    Project Re: DIY FSR Feet for the HR-OS1

    Say good-bye to good night sleep! You'll be hooked watching the extruder.

    Are you printing in PLA? You should switch to ABS for the robot parts - it's true that PLA is way easier to print, but I...
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    Re: Indiegogo - Alpha 2

    I'm confused:are those kits including the servos or not? I couldn't find any information about the number of DOF.

    For instance this option: "$739USD Developer Edition– 20kg Servo. Woo hoo!...
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    Project Re: DIY FSR Feet for the HR-OS1

    Got them on eBay (in UK): http://www.ebay.co.uk/itm/161805079939

    Frankly, I just got them at the weekend and I haven't yet tested them properly to make sure everything is ok. But I don't think...
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    Project Re: DIY FSR Feet for the HR-OS1

    Thanks r3n33 for starting this thread. I'm waiting for the delivery of the FSRs. Had to order the small ones about a week ago from US (I live in UK) and hopefully by the end of this week will be...
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    Re: 3D printable models for the HR-OS1

    Nice, is the trinket small enough to fit in the feet (between the F5 wide bracket and the edge of the foot)?

    Also I'm curious if you're using any buffering between the UART and the Dynamixel bus -...
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    Re: 3D printable models for the HR-OS1

    All,

    I have finished the head updates. Sorry for taking so long - but there are some long prints...

    I have posted the parts in my github. I hope by tonight I will also include an assembly guide...
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    Re: 3D printable models for the HR-OS1

    I've finished printing and it looks decent, but I do have to make some changes, the most important being that I want to place the Pi fixing standoffs in the top of the head, instead of the bottom as...
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    Re: 3D printable models for the HR-OS1

    r3n33, this is very interesting. I had it on my list to do. Do you use a controller board with an STM32F and feed the info through the Dynamixel chain, or are you using another approach?
    ...
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    Re: 3D printable models for the HR-OS1

    All, I'm in the process of finishing a slightly more complex change for the head:

    6261

    The P1 is modified so that the pan servo is between the shoulders. It has an added "collar" that protects...
  12. Re: motion_4096, motion_dest, motion_src, what are these files for?

    Interesting, I got about 10 pages of formulae on one notebook trying to come up with an efficient interpolating algorithm using cubic splines to smooth the transition between pages. Haven't gone that...
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    Re: 3D printable models for the HR-OS1

    I think this is a good idea. I'm also working on audio, using instead the 2x2.5W amplifier from Adafruit. It is very small has seems to have very good efficiency.

    The speakers I found on eBay are...
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    Re: 3D printable models for the HR-OS1

    Guys, thanks for the feedback. I had the chance to do some more testing and have come up with the following design:
    6227

    It includes changes to tilt plate bracket, tilt servo bracket, arms, etc....
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    Re: 3D printable models for the HR-OS1

    Shihui, frankly providing better tilt range can be solved with the current design too. I've posted an updated design here:

    https://github.com/sonelu/HROS1-Customisation/tree/master/Head%20Tilt
    ...
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    Re: 3D printable models for the HR-OS1

    I have been looking for some time for a Jimmy head model. I am interested in the model and happy to help with the updates. What 3D modelling program are you using?

    I am not a big fan of the...
  17. Re: Conflict between rme and ps3_demo in using the CM 730

    Shihui, did you by any chance leave the rme in an "ungraceful" way (i.e. Ctrl-C or after a crash)? There are some cleanup calls when finishing execution of rme (actually of all programs that connect...
  18. Discussion Re: When setting the ID for the servos, you need to scan twice to find it

    guoshihui,

    Are you using a Raspberry Pi? I also have noticed some times this behaviour and it seems to be because of a bug in the framework related to the timing in the communication (sometimes...
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    Bracket F4 and 3D Printed Armour

    Guys, I've noticed that the armour shields have a normal 16mm spacing between the screws but the F4 bracket has 16mm between the holes vertically, but between the first row of holes close to the horn...
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    Sticky: Re: Welcome HR-OS1 Beta Testers! Introduce yourself

    Hi Everybody,

    I'm Alex, 40 something, doing some mundane consulting work in IT space. I've been working on robots for about 3 years, with some early ones fully custom made with PIC processors and...
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    Re: HR-OS1 3D Models & 3D Printed Armor

    Autodesk Inventor 2014.
    You can open the STEP file with a text processor (best with TextWrangler) and see the details. A STEP is nothing but a very big text file.
  22. Re: When will Arbotix-PRO be available for purchase?

    Well, to answer my question: it's there! Just placed an order and waiting for it to come. Although at $150 it's not exactly cheap...
  23. Re: When will Arbotix-PRO be available for purchase?

    Hi, I've noticed you started shipping the HR-OS1s. Does it mean you have the Arbotix-PROs in stock too? Will they be in the shop any time soon?

    Thanks.
  24. Re: When will Arbotix-PRO be available for purchase?

    Hi, any news about the batch of Arbotix-PROs? Will there be any of them soon available for sale?

    Thanks.
  25. Re: When will Arbotix-PRO be available for purchase?

    Hi, sorry for bumping this thread, but are the still plans to release the Arbotx-PRO in the shop any time soon?
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