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  1. #1
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    heres the board as it is now.. rught below the tilt sensor, i have a resistor, its supposed to be a cap, i just put the wrong symbol, so that has already been fixed..



    let me know if you see anything wrong, i will probably start making it soon.. or if you have any opinions on what i should do differently.

  2. #2
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    Quote Originally Posted by dragons_fire View Post
    let me know if you see anything wrong, i will probably start making it soon.. or if you have any opinions on what i should do differently.
    Nothing wrong that I can, but I think I would make another +5v line run from your regulator up the left side of the board to make a complete loop instead of a half a loop. The way you've got it right now, whatever is at the 'end' of your 5v run will probably pick up a lot of noise, and if it draws any sort of load, it'll really put spikes on the run going back towards the PIC. Might mess it up.
    Maybe a 'sprinkling' of .1uf cap's across +5v and ground here and there, if you can fit an extras in there, might not be a bad idea, even if they're surface mount and you have to solder them across the traces themselves. I've done that a few times just as a precaution, used 0805 sized, just laid them right there, no marking or anythiing, just added them in...

    And I think it looks much better without all those 90 degree angles in there...

  3. #3
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    I knew it! Been 20 years since I have seen snow, BIG BOT brings back memories.

    The board looks good. Agree with Skimask about the VDD trace, if you do not have room put the caps at the end of the run.
    Dave
    Always wear safety glasses while programming.

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    Quote Originally Posted by mackrackit View Post
    I knew it! Been 20 years since I have seen snow
    Want me to send you some snow?

  5. #5
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    Quote Originally Posted by skimask View Post
    Want me to send you some snow?
    NOPE!!! I like my sand. It gets to 120+f here in the summer, but I do not have to scrape it off the windows or shovel/plow it out of the way.

    At the moment it is about 85, with a slight breeze
    Dave
    Always wear safety glasses while programming.

  6. #6
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    Quote Originally Posted by mackrackit View Post
    NOPE!!! I like my sand. It gets to 120+f here in the summer, but I do not have to scrape it off the windows or shovel/plow it out of the way. At the moment it is about 85, with a slight breeze
    120+ ... my thoughts... you can always start something on fire to stay warm and it's more expensive to cool than it is to heat.
    You might not have to scrape the sand off your windows, but, over time, the sand will scrape the paint off your car!

  7. #7
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    Quote Originally Posted by skimask View Post
    120+ ... my thoughts... you can always start something on fire to stay warm and it's more expensive to cool than it is to heat.
    You might not have to scrape the sand off your windows, but, over time, the sand will scrape the paint off your car!
    Cooling is not as bad as one might think, low humidity.

    No paint on car, thats camouflage for us. Half way between Yuma Proving Grounds and Luke Air Force Bombing Range
    Dave
    Always wear safety glasses while programming.

  8. #8
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    i think it looks better too without the 90 degree angles.

    i added a complete loop around for the power. the thing at the end, was the motor driver. it uses battery voltage for the motors, and 5V for the components on the board..

    i also added 2 more caps around the board.

  9. #9
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    im actually supposed to be getting snow here today.. its gonna be fun workin outside...

    i just looked it upo, and we have a snowfall warning here today

  10. #10
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    Quote Originally Posted by dragons_fire View Post
    i just looked it upo, and we have a snowfall warning here today
    Wow! You get warnings! Actually, it's 62F right now for me. Where are you at anyways? I see AB,Ca. I'm in Minot, ND. If you're getting snow right now, we'll probably get it in about 12-18 hours.

  11. #11
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    right now, its 3.3C wind is 18KM/h and we are supposed to be getting 6" of snow this evening... im in alberta canada...

  12. #12
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    Quote Originally Posted by dragons_fire View Post
    right now, its 3.3C wind is 18KM/h and we are supposed to be getting 6" of snow this evening... im in alberta canada...
    I know you're in AB,Ca...that's why I put AB,Ca. Where at in AB?

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