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joseph hollinger
Joined: 12 Sep 2002
Posts: 9532
Location: United States, California, san francisco
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 Posted: Wed May 07, 2008 9:54 am Post subject: |
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| Jacob Hennie wrote: | Joseph, VERY IMPRESSIVE!! Did you use MFC? Which VC++? 6?
Been a C++ programmer myself, signal intelligence/electronic warfare systems, In-flight entertainment systems, now a software manager for a GPS company. The funnest stuff was always multi-threaded apps in WinCE........
Again, great job, and very cool!
Tom Hennie |
I used Visual C++ 2008 Express. It's available for free download which I figured would allow other people to modify the code if they want. In a former life, I used to develop compilers for C, C++ and FORTRAN. Strangely, that only required that I know C and I really know very, very little about C++. This project was sort of a vehicle to fix some of that and get me used to programming in windows. Basically, a lot of fun. |
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Seth Blackburn
Joined: 27 Oct 2004
Posts: 680
Location: United States, North Carolina,
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| Posted: Wed May 07, 2008 7:12 pm Post subject: |
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Something free from Microsoft (especially compilers)? Wow....
I've never really used Visual anything, mostly just text editors and Eclipse in Linux. I suck at C programming, I'm going to be taking Java in the fall though (with a different teacher who supposedly can teach programming better). Please send me a copy of your program too when you get a chance. |
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Chris M Johnson
Joined: 14 Oct 2005
Posts: 568
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| Posted: Wed May 07, 2008 7:16 pm Post subject: |
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I have four bathroom scales with vinyl floor tile shims.
I used a paint pen to mark the outline of each scale on the garage floor, and wrote down the number of shims for each.
I used 75lbs of free weights to calibrate each scale.
I duct taped a small mirror on the end of a coathanger so I can read the scales from sitting in the kart.
Cost: Really cheap.
Works great! |
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joseph hollinger
Joined: 12 Sep 2002
Posts: 9532
Location: United States, California, san francisco
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| Posted: Wed May 07, 2008 8:05 pm Post subject: |
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| Seth Blackburn wrote: | Something free from Microsoft (especially compilers)? Wow....
I've never really used Visual anything, mostly just text editors and Eclipse in Linux. I suck at C programming, I'm going to be taking Java in the fall though (with a different teacher who supposedly can teach programming better). Please send me a copy of your program too when you get a chance. |
I too was a little surprised that they gave away anything for free. I'll send copies to everyone when the code looks a little better (next week). |
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Dan Haynes
Joined: 17 Sep 2007
Posts: 2391
Location: United States, Pennsylvania, Ellwood City
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| Posted: Wed May 07, 2008 8:40 pm Post subject: |
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i've had an intro to java course. pretty easy. just gotta a little frustrating with the if/else, if/else/if and whatever if's and else's they threw at us  .
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Blaise Haynes
#3 Arrow X1-CIK
TaG
Cook Racing Engines Parilla Leopard |
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joseph hollinger
Joined: 12 Sep 2002
Posts: 9532
Location: United States, California, san francisco
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| Posted: Thu May 08, 2008 10:18 am Post subject: |
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| Dan Haynes wrote: | | i've had an intro to java course. pretty easy. just gotta a little frustrating with the if/else, if/else/if and whatever if's and else's they threw at us . |
These days, the problem is that there are so many languages and platforms that it's difficult to pick. MS offers free versions of C++ and C# (whatever that is) along with Visual Basic (which is gross). It's all rather dismaying. My scales program is written using a package called .NET. I don't even have a good idea what .NET is supposed to be. |
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Seth Blackburn
Joined: 27 Oct 2004
Posts: 680
Location: United States, North Carolina,
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| Posted: Thu May 08, 2008 10:47 am Post subject: |
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Yeah, several years ago when I was in high school a friend let me borrow a errr...special edition... of Visual Studio .NET. I had to go through a lot of crap to download and install ".NET" and from what I could tell it didn't do anything but allow me to run the program. I also didn't know anything about programing back then, so it really didn't matter.
I've been lost in my C course since after the first couple weeks. Once we started getting into functions, and pointers, and if statements, it all went down hill. My teacher is a freakin genius with programming (and electronics in general) I think she just doesn't understand how hard it is for a complete newb to understand. |
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Dave Stevens
Joined: 18 Jul 2001
Posts: 2021
Location: United States, Nevada, Vegas Baby
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| Posted: Mon May 12, 2008 12:07 pm Post subject: |
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C# (C sharp) is Microsoft's implementation of an object oriented language based on among other things C++. .Net is a framework that enables different languages and libraries to interact and build apps for the various Windows platforms while minimizing to a certain extent some of the complexity. For example allowing someone with limited programing skills to make a nifty little scale app or on a larger scale allowing teams of developers an easier way to manage projects and wrap non complementary technologies into a unified app.
If you want to learn to program start with VB (or another basic) and get the foundation before you move to C or something else. If you can't get the basics like declarations, conditional branches, loops, statements and functions you're going to have a difficult time doing anything more robust than basic drag and drop object functionality. Programming isn't for everyone, in fact to do it well is pretty difficult. Not everyone can do it.
BTW, GREAT job Joe on the scale project. I've been looking for used scales and tired to find some of these others used, but no luck at a cheap price. Most of what I see they want a couple hundred bucks per pad.
Dave |
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joseph hollinger
Joined: 12 Sep 2002
Posts: 9532
Location: United States, California, san francisco
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Billy Smith
Joined: 31 Mar 2006
Posts: 425
Location: United States, Illinois, Chicago
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| Posted: Tue May 13, 2008 4:43 pm Post subject: |
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| Your kart and your garage are both impressively clean. |
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Good Bye
Joined: 18 Mar 2006
Posts: 262
Location: Afghanistan, No Where, No Where
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| Posted: Tue May 13, 2008 5:57 pm Post subject: |
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| While we are on this subject, does anyone know of shipping scale models that DON'T have "auto off" features or who's "auto-off" feature can be disabled? |
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joseph hollinger
Joined: 12 Sep 2002
Posts: 9532
Location: United States, California, san francisco
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| Posted: Thu May 15, 2008 1:53 pm Post subject: |
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| Frank Cire wrote: | | While we are on this subject, does anyone know of shipping scale models that DON'T have "auto off" features or who's "auto-off" feature can be disabled? |
The fairbanks scales that I use don't auto off. Salter Brecknell PS400's have that feature but it can be disabled by menu. |
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Al Barnes
Joined: 11 Oct 2005
Posts: 478
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| Posted: Thu May 15, 2008 2:48 pm Post subject: |
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| Very nice system! For your next upgrade you could put cubes under the front tires in order to determine the CG of the kart & driver. I could send you the formula if you need it. |
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Mike Goebel
Joined: 28 Jul 2001
Posts: 5795
Location: United States, California, Winnetka
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| Posted: Thu May 15, 2008 3:18 pm Post subject: |
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| Al Barnes wrote: | | I could send you the formula if you need it. |
Mike G. |
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Gary Osterholt
Site Admin
Joined: 18 Jul 2001
Posts: 2771
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| Posted: Thu May 15, 2008 7:30 pm Post subject: |
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Al,
I know I could get the X and Y CG very easily, but don't know about the Z component.
Gary
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Website Designs - http://www.godesigns.us |
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