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Gadget Freak Case #231: Super Rugged Computer-Controlled Tyco Car
12/7/2012

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naperlou
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good use of electronics
naperlou   12/7/2012 10:00:39 AM
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Now that's a good use for electronics.  Actually many new cars are "hopped up", as we usd to say, by changing out the computer chip that controls the engine management system (EMS) rather that doing something mechanical, like replacing the carbeurator. 

From the article it is interesting to note that even with toy cars the manufacturer puts limits on performance. 

armorris
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Platinum
Not enough information
armorris   12/7/2012 2:09:40 PM
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There's no schematic or software code. There is not enough information for someone else to duplicate what you did. However, it does appear that the article is intended to be general and not specific.

matthew katzenstein
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Iron
Re: Not enough information
matthew katzenstein   12/16/2012 4:09:15 PM
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the instructions are written to be broad because the different models of RC cars have different boards and board layouts however MOST use the same chip so the instructions are for taking over control from this type of RC chip, thus the instructions can be used for many different types of RC cars you simply attach the wires to the same pins on the IC chip and you are ready to roll 



armorris
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Re: Not enough information
armorris   12/16/2012 4:41:27 PM
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Thank you, Matthew for the clarification. I look forward to learning something from your software code. BTW, what is a "github"? I'm not familiar with all the new terminology.

NadineJ
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Re: good use of electronics
NadineJ   12/7/2012 3:14:29 PM
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The good thing about the limits on the performance is that kids tend to push those limits.

I agree with everyone's point that there aren't enough details here. 

Cabe Atwell
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Re: good use of electronics
Cabe Atwell   12/7/2012 6:23:49 PM
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I was just speaking to a colleague of mine who did this exact project this past summer.  He is a big RC fanatic. I hope Arduinos become mainstream in RC development. Who knows where RC will go after that.

C

Charles Murray
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Re: good use of electronics
Charles Murray   12/7/2012 6:48:20 PM
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Details or not, it's still a cool application. Matthew, the bill of materials shows a PC board for $2.63. Is that the Arduino board?

Nancy Golden
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Platinum
Re: good use of electronics
Nancy Golden   12/11/2012 10:19:32 AM
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And while I would also have liked more details - I think Matthew did a great job on pointing out "Gotchas" in his instructions such as:

"The circuit uses negative logic so off – high on – low. Do not bring forward and reverse pins for the same wheel. It will cause a short."

Those minor details can be pretty important...

matthew katzenstein
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Iron
Re: good use of electronics
matthew katzenstein   12/16/2012 2:26:50 PM
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kinda? the PC board is to hold the headers in place so they dont shift around and you can connect them all at once. 

 

i didnt include the arduino in the BOM because this will work with ANY 5v microcontroller and is not arduino specific 

i believe i did include code when i sent in my materials for the article but i will look into that. the code is REALLY simple so with about 5 minutes you could knock out some basic fwd bckwd left right control on any microcontroller  

i will soon setup a github so i will put code there

78RPM
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Gold
Ruggedized
78RPM   12/7/2012 12:08:33 PM
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Tell us some things you did to ruggedize the car.  Is the Arduino spring suspended?

Cadman-LT
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Cool
Cadman-LT   12/10/2012 2:04:12 AM
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Cool project Matthew!

mrdon
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Re: Cool
mrdon   12/17/2012 3:13:14 PM
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Cadman-LT, I agree. That's a pretty cool car and the author is correct about it being fast. I'll be sharing the video and article with my ITT Tech Microprocessor and Microcontroller students.

jmill
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Iron
XBee modules
jmill   1/10/2013 1:04:57 PM
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I saw you have an XBee module in your model car.  Cool.  Design News contributor Jon Titus has a book, "The Hands On Xbee Lab Manual," that has a lot of good information about to how to use these small wireless devices beyond basic controls.  Excellent project and inspiring for fellow students and experimenters.  Nice job.

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