Raspberry Pi

Discussion in 'PC Hardware' started by Seymore4Head, Dec 4, 2014.

  1. Seymore4Head

    Seymore4Head Guest

    I have always been a tech fan, but I really have no need to have one
    of these in my car as I hardly drive the thing any more. I stumbled
    on this link by accident. I was watching this video and the guy is
    complaining about trying to mount a keyboard in his car.

    It just made me think of how cool it would be if the Raspberry Pi had
    blue tooth. You could just use your cellphone for a keyboard.

    I don't know how much that would add to the cost of the Raspberry Pi
    or the size, but it would seem to be something to shoot for in the
    future.

    I would like to see what the camera video quality looks like.

    How does the computer get engine stats and speed from the car?

    Anyone have a Raspberry Pi?

     
    Seymore4Head, Dec 4, 2014
    #1
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  2. You could do that! Just buy a BT dongle that got Linux support.
    I am interested in building a remote control toy car using Pi and cheap
    webcam. Then I could drive it using first-person view using my desktop
    PC... :)
     
    Mr. Man-wai Chang, Dec 4, 2014
    #2
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  3. Seymore4Head

    Paul Guest

    I could find a combo dongle (Wifi + Bluetooth), but they
    wanted a fortune for it.

    The Edimax Wifi 802.11n was about $7, and this Bluetooth
    is probably in the same range. With the B+ model of the
    Raspberry PI, I think you get four USB ports, so you
    could waste a couple to hold both kinds of adapter.

    [The mis-spelling is theirs...]
    https://www.modmypi.com/nano-bluethooth-dongle

    As for building a remote control vehicle, it wouldn't
    take much to overload the processor. If you're capturing
    video and transmitting it back to the base station,
    that might take a fair bit of the CPU right there.
    It doesn't take much bad coding, for that to happen
    (at the Linux level).

    If the webcam records in MPG or MJPEG, then it might
    already be compressed, ready for transport to your base station.

    There was a Korean company a few years back, doing a quad
    core board along the same lines. But again, multiple
    cores won't help if the code is poorly written to take
    advantage of them. That would be my main concern with
    the lower power/lower clock rate devices. For example,
    when I pipe commands on Linux, sometimes I see the
    commands being run on the same core. While another
    core isn't sharing the load.

    Paul
     
    Paul, Dec 4, 2014
    #3
  4. That's interesting. I have never done real-time programming, but
    business applications using Visual Foxpro! ;)
     
    Mr. Man-wai Chang, Dec 5, 2014
    #4
  5. Seymore4Head

    David Guest

    At Wed, 03 Dec 2014 19:47:48 -0500, Seymore4Head rearranged some electrons
    to write:
    Yes, I have been playing around with a couple of them for a year or so.
     
    David, Dec 5, 2014
    #5
  6. Seymore4Head

    RayLopez99 Guest

    I can see a potential terrorist application of this toy truck! Pack it full with Chinese firecrackers, drive it head-long into a group of people and *BANG*! You can create panic.

    RL
     
    RayLopez99, Dec 23, 2014
    #6
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