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JoyRider x-sim (Thanos design) By MadPC

Discussion in 'DIY Motion Simulator Projects' started by madpcsupreme, Jun 9, 2009.

  1. madpcsupreme

    madpcsupreme New Member

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    Hi I'm new to the community and I'm very excited to join in. I am now planning to make a x-sim base on the Thanos's joyrider design. So here is what I've done so far:

    AMC 1.5 controller board (done)
    DSM 1.2b HB (80% done)
    LCD board (done)
    purchased 3 19 5:4 monitor and triplehead2go for triple screen setup.
    Flashed the Amega chip w/ 1.0 firmware using 24Mhz cystal.

    What I want to do is that I will test the circult and make sure everything works before I start building the frame w/ PVC pipes, since my dad is coming on August, I'll make sure he's gone before the frame is setup.

    Now I got a few problems that I run in right now.

    1. for the hall sensor, I tried the S1495A on the 1st pot and within seconds, it get really hot and burned. I have the text side face up assuming the com port is on the left. I used a voltmeter to check the voltage, and it shows 4.97v which is normal... what can I do wrong here?

    2. is PVC better then ABS in term of material candidate for the frame?
    3.jpg
    2.jpg
    1.jpg
    madpcsupreme, Jun 9, 2009
    #1
  2. tronicgr

    tronicgr

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    Welcome!

    1. Perhaps you have connected wrong the legs of the SS495... the SS495 legs assignments (letters facing toward you) are:

    Code:
    +5V  ,  Ground  ,  Output

    While the AMC ADC port arrangments (while looking the AMC board with Atmega8535 left from the ADC pins) are:

    Code:
    Input  ,  +5v  , Ground

    If you still not sure about the assignments take a look on the SS495 datasheet and the AMC1.5 diagram.

    http://www.estv.ipv.pt/PaginasPessoais/ ... s495a1.pdf
    post4495.html#p4495


    2. ABS??? What material is this? Any link?

    Regards, Thanos :cheers:
    tronicgr, Jun 9, 2009
    #2
  3. R-eng

    R-eng Member

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    ABS is stiffer and lighter, while PVC will flex more.

    R-eng
    R-eng, Jun 9, 2009
    #3
  4. madpcsupreme

    madpcsupreme New Member

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    cool I tested the legs config with the working hall sensor, the reading did change when I turn the magnet but the reading keep jumping around. I am wondering why a analog sensor doesn't work better then this...

    also I wonder what does the blue Trimmer Potentiometer for?
    madpcsupreme, Jun 9, 2009
    #4
  5. tronicgr

    tronicgr

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    The blue Trimmer Potentiometer fixes your jumpy readings by setting the working range of the ADC!!!

    Fully turned clockwise will give the max range (1023) while turning it counter-clockwise will reduce the range ( say 750 values, or 500, or 300 values...) and give much more jumpy readings!!!!

    :lol:

    Also you must know that SS495 are very sensitive devices and you will not get clean readings if you hold it by hand. The smallest trembling makes them jump decades!!!


    Regards, Thanos

    Attached Files:

    tronicgr, Jun 9, 2009
    #5
  6. cthauber

    cthauber New Member

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    ABS is also much more brittle. I can't see it holding up to the type of stress it would see in a simulator for long periods of time.
    PVC will last alot longer.
    If you want strength and rigidity, go with extruded t-slot aluminum (more expensive and harder to work with without the proper tools)
    cthauber, Jun 9, 2009
    #6