• December 2017

  •

    ROS Diff Drive Chassis Rebuild
    It’s time to bring this project back to life. When we last saw ROSbot, almost two years ago, it was moving under control of ROS but behaving stran...
    Posted in rosbot on 02 December, 2017

  • November 2017

  •

    Building the MeArm
    The instructions for building the MeArm are excellent so I won’t reiterate them here. Instead, I’ll cover the issues I encountered while not using...
    Posted in mearm on 12 November, 2017

  • August 2017

  •

    TAZ Frame Completed
    After much printing (including a surprisingly good performance by my new Form Futura printing surface on some large prints without a heated bed), a...
    Posted in tazclone on 03 August, 2017

  • July 2017

  •

    Building a Lulzbot TAZ6 Clone
    I’m currently on 3D printer #3. The last one I documented here was #2: my Sintron Delta - a commercial kit which ended up needing a lot of improve...
    Posted in tazclone on 22 July, 2017

  • Oh well ...
    Following my recent work on the X-axis improvements, I spent a little time assessing the resulting structure and it turns out that the Y-axis isn’t...
    Posted in mpcnc on 21 July, 2017

  • X-Axis Mount to Y-Axis
    I decided to make a start on the X-axis today, using the 20mm T-slot extrusion as the rail which the Z-axis will travel along. To make it sufficie...
    Posted in mpcnc on 09 July, 2017

  • Planned MPCNC Changes
    Since I built this router last year, it hasn’t really performed as well as I’d hoped. Aside from some software and communication issues (which I c...
    Posted in mpcnc on 08 July, 2017

  • May 2017

  •

    Prototype Finished
    I’ve had a busy weekend working on this prototype and it’s now completely working. Here’s a short video showing it in operation:
    Posted in badscore on 14 May, 2017

  • Multiplexed Displays
    Following some experimentation, it seems that driving the 7-segment LEDs directly from the Arduino with multiplexing is the best way to get a brigh...
    Posted in badscore on 14 May, 2017

  • Prototype Update
    A short update to the prototype: I’ve swapped the binary score LEDs with the BCD to 7 segment drivers and corresponding displays which I ordered la...
    Posted in badscore on 07 May, 2017