Search:

Type: Posts; User: ben; Keyword(s):

Search: Search took 0.00 seconds.

  1. Replies
    12
    Views
    17,280

    Question(s) Re: USB2AX and python library?

    I've tried most of the options out there on RPi 2 and 3:

    PyUSB2AX which as mentioned is a wrapper for the Dynamixel SDK https://github.com/jthorniley/pyusb2ax
    PyPot which is part of the Poppy...
  2. Thread: RPi Hexapod

    by ben
    Replies
    9
    Views
    43,121

    Project Re: RPi Hexapod

    Fusion 360 is fantastic, and my only concern is the complete commitment to cloud storage which has resulted in problems at times, especially when their servers are down. For software that is free to...
  3. Thread: RPi Hexapod

    by ben
    Replies
    9
    Views
    43,121

    Project Re: RPi Hexapod

    Thanks! In terms of the step algorithm it currently uses a fixed step time (around 200 ms) with a defined maximum translation / rotation per step. As a result, slow movement uses very small steps per...
  4. Thread: RPi Hexapod

    by ben
    Replies
    9
    Views
    43,121

    Project Re: RPi Hexapod

    Future plans in 2017 include:

    - an RPi-based custom controller with two analog sticks and a touchscreen
    - an onboard camera streaming video to the controller
    - a claw on the front to interact...
  5. Thread: RPi Hexapod

    by ben
    Replies
    9
    Views
    43,121

    Project RPi Hexapod

    Some of my goals for 2016 were to learn how to code and gain some proficiency in electronics and CAD. I always need a challenging project to get motivated so I decided on a hexapod - writing the...
  6. Replies
    7
    Views
    7,326

    Re: Raspberry Pi USB2AX issues

    Thanks for everyone's help! I was able to isolate the issue to a bad 6 port AX hub. I think I may have shorted it out at one point during prototyping when it touched a socket screw head while...
  7. Replies
    7
    Views
    7,326

    Re: Raspberry Pi USB2AX issues

    Thanks tician - It's the latest version of the USB2AX (3.2a) and therefore latest firmware. I tried the experiment you suggested and after unplugging and replugging the USB2AX the problem persisted -...
  8. Replies
    7
    Views
    7,326

    Re: Raspberry Pi USB2AX issues

    My script includes code to release the connection to the port when I manually exit - which appears to work even after the servos freeze. It does appear to successfully re-access the serial port when...
  9. Replies
    7
    Views
    7,326

    Raspberry Pi USB2AX issues

    I've learned so much from this forum and usually like to troubleshoot myself - but I have a particularly tricky problem and need expert help!

    I've built a hexapod that uses a Raspberry Pi 3 and...
  10. Replies
    6
    Views
    14,748

    Question(s) Re: IMU/ Accelerometer Position Tracking?

    I think the Bosch BN0055 is the best solution for something like this. It does most of the heavy lifting in calculating absolute orientation. Here it is in action:
    ...
  11. Replies
    5
    Views
    13,971

    Question(s) Re: Am i limiting myself with C/C++? Python?

    Hey Dan - I'm learning Python and have been using your code as a reference. I sent you a PM - I'd really appreciate some help understanding a few key concepts in the code base. Thanks for making all...
Results 1 to 11 of 11