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TM4C123GXL: Thank You

Zero_PD
Intellectual 600 points


Hi everyone,

I've posted on this forum pretty frequently over the last six months. I've asked and gotten help on UART and interrupts, ports and GPIO pins (hint: they're probably locked, don't use C0), I2C communication, current output, the list goes on and on. All of it was for an ambitious project at Stanford that I successfully pulled off a couple weeks ago. This project was an exhibit at an event called "Personal Statements", a yearly design showcase put on by the Stanford Graduate Design Program. I just wanted to drop in, leave a few pictures, and say thank you. I couldn't have done it without your guys help. Thanks to everyone who helped answer my questions, and the MVP award goes to Amit for staying patient with my many queries. Thanks again!

"Flight: Gestural Control of a Kinetic Sculpture"

- The Wearable Control Vambrace.

- Flight, the Kinetic Sculpture.

Plenty more information, pictures, and video at my portfolio. You guys take care.

  • TI__Guru**** 244400 points
    Hello Philippe,

    Congratulations on your project!!! A good chef does not only prepare excellent food but knows how to present it with excellence. I would say the same for your project as well.

    A small foot note if you do not mind: A word or two on your web page on TM4C would be immensely valuable when I share the forum post with a wider audience (like we had on the University Electric Car F1 championship Team web page).

    Again, excellently executed and it takes an open mind to accept true appreciation and an honest criticism that you have exhibited. All the best!

    Regards
    Amit
  • in reply to Amit Ashara
    Guru 117855 points
    Let this reporter also, "Applaud the spectacle" - yet several note that those Leds (could) be brighter...
  • in reply to Amit Ashara
    Expert 1100 points
    Nice one Philippe,
    I was just thinking it was a shame when some people ask questions, have them answered and then never return, to thank, for others to know either how they got on, or to learn from their experiences. Then all of a sudden we have just such a post, and even pictures to look at!
    I was reading your portfolio and noticed you had problems with the motor rpm and inserted a gear box. Looking at it run, have you tried removing the gear box and then changing the white cog for something bigger (ie making the white cog diameter bigger than the diameter of the crank pivot it drives) and lengthening the chain? It will run smoother. Converting to higher torque early on in such a system stresses it more.
  • Guru 10570 points
    Nice to see the end result.

    Thanks
    Robert
  • in reply to Amit Ashara
    Intellectual 600 points
    Added mention of TI/TM4C to the webpage :)
  • in reply to Pete Carston
    Intellectual 600 points

    Hi Pete - good thoughts but unfortunately this wouldn't have worked for me. I needed every drop of torque I could squeeze out of that motor, and the gearbox was doing the majority of the work. It added a gear ratio of 7. I maximized the white sprocket on the drive shaft and minimized the metal sprocket attached to the gearbox output shaft in order to get the highest gear ratio I could out of my chain drive, and that was only 4.5. The white cog/sprocket was already 6" diameter and the largest one I could get from McMaster for a drive shaft of that size.

  • in reply to Zero_PD
    TI__Guru**** 244400 points
    Hello Zero_PD,

    I would have thought as to how TM4C is used in the "Vambrace"

    Regards
    Amit
  • in reply to Amit Ashara
    Intellectual 600 points

    I don't quite understand. You would like, in the Vambrace section of my webpage, for me to elaborate on how the tiva launchpad is being used?

  • in reply to Zero_PD
    TI__Guru**** 244400 points
    Hello Zero_PD

    Yes, and what it does with the different movements initiated by the user

    Regards
    Amit