MAKE: Noise — Discuss this article

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• Source Code
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  I noticed that a few months back you stated you were almost done with the improved source code. I am curious as to whether it is available yet or not? Thanks a ton.

  Posted by Dan9186 on January 06, 2009 at 17:13:06 Pacific Time

• Goggles/Camera/Trans/Reciever
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  ok, I need help here. In your article you wrote that it would have been about $200 to build this, but you had to purchase the R/C car. I can't seem to find a Goggle/Camera/Trans/Reciever. I looked at everywhere...maybe I am just blind, or I am not looking at the right spot. My 7 year son is a bit disappointed, we talked about it for days and now I don't think I can build this. Any help here?? Can anyone direct me to some locations to purchase these items? I live in Ontario Canada, so Canadian suppliers would be best, but not necesary. Email me at mario6628@yahoo.com if anyone can help.

  Posted by mostuff on August 02, 2008 at 16:30:42 Pacific Time

• I'd like to learn more about the programm
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  Hi John,
  on May 28, you wrote here you plan to make the PIC source code of this project available but you want it more user friendly. Would you be able to offer the code you have right now?
  It would help me a lot if I could learn what the chip does. C-Code prefered but assembler code is also wellcome.
  
  Thank you for sharing your great ideas!

  Posted by bapf on July 17, 2008 at 08:50:39 Pacific Time

• I'd like to learn more about the programm
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  I am currently teaching a course in Scottsdale, Az. for the next couple of weeks, but I am almost finished with the more user friendly version of the code. However, if you want the base code that I started with goto Microchip.com and do a search for AN847. The first result will give you the application note and the source code. I did a few modifications to simplify it for a RC car.

  Posted by mouter on July 17, 2008 at 09:23:12 Pacific Time

• Schematic Problem
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  I downloaded the schematic but when I try to open it the computer doesn't know what program to open it up with. What do I do?

  Posted by BadAssElmo on July 11, 2008 at 16:56:35 Pacific Time

• Schematic Problem
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  You should be able to view it with any PDF reader. FOXIT is very good, and free.

  Posted by mouter on July 14, 2008 at 08:54:48 Pacific Time

• Source code for PIC12F683
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  When are you going to post the source code for the PIC12F683? It would be helpful to have it. Thanks,
  John Hemphill

  Posted by jmark9706 on July 08, 2008 at 12:34:30 Pacific Time

• A couple questions.
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  1. Would these work as VR goggles?
• http://www.amazon.com/gp/offer-listing/B000J3AWQA/ref=sr_1_olp_2?ie=UTF8&s=electronics&qid=1213450477&sr=1-2


2. Would this camera work?
• http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3163571&sku=Q300-2300


3. Would anyone be willing to go in on bulk circuits with me?

Posted by TWO-BY-FOUR on June 14, 2008 at 07:02:02 Pacific Time

• A couple questions.
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  1. Would these work as VR goggles?
• http://www.amazon.com/gp/offer-listing/B000J3AWQA/ref=sr_1_olp_2?ie=UTF8&s=electronics&qid=1213450477&sr=1-2


2. Would this camera work?
• http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3163571&sku=Q300-2300


3. Would anyone be willing to go in on bulk circuits with me?

Posted by TWO-BY-FOUR on June 14, 2008 at 07:01:58 Pacific Time

• A couple questions.
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  I am interested in a couple boards. If anyone is ordering (or has ordered) let me know, and I can go in on it.
  
  Michael
  mmacdoug@gmail.com

  Posted by MacDMason on July 19, 2008 at 09:19:35 Pacific Time

• Group Order for PCBs?
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  If anyone else is interested, I think it would be cool if we could do a group order for a better price. We could each pitch in for a board. I was looking at the form for a quote from circuitexpress.com, and I don't know enough about the design to fill it out though. =(
  Hey Mr. Mouton, what did you do with your extra boards? =P

  Posted by RedFoxDude on June 06, 2008 at 10:36:36 Pacific Time

• Group Order for PCBs?
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  I am also interested in a bulk order since I would like to do as many as 10 with students.
  
  Let me know how we could collaborate.
  
  Thanks
  
  Ken Ryan
  Center for Applied Mechatronics
  kenr@LearnMechatronics.org

  Posted by eyesontomorrow on June 06, 2008 at 14:35:10 Pacific Time

• Group Order for PCBs?
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  Unfortunately, I don't have any extra. I only ordered 4 board and I made 4 cars. But that sounds like a great idea. Also, if you call circuitexpress.com and talk to the customer service rep., they are more than happy to walk you through the order process. I have work with them several times and they have even given me a tour of their plant and lunch. Very nice people.

  Posted by mouter on June 06, 2008 at 14:22:41 Pacific Time

• Lower-cost alternatives?
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  Hello,
  
  The "Resources" section of the article (page 105) talk about "lower-cost build alternative" available at this address.
  
  Are these available?
  
  This project obviously offert plenty of options in build depending of how one want to be cheaper or better, so I'm curious to see what you would choose.
  
  And of course, lower cost means a better WAF, so... ;)

  Posted by Holstein on June 06, 2008 at 08:30:19 Pacific Time

• Lower-cost alternatives?
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  Yes, there are many low cost build alternative options out there. Now, like with all projects, low cost is a relative term and application dependent. Nevertheless, don't be afraid to experiment and do your research.

  Posted by mouter on June 06, 2008 at 08:41:11 Pacific Time

• why custom make your own motor control?
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  What was the reason for creating your own motor controller?? It seems like it added a lot of expense and complexity. Couldn't you have used an off-the-shelf electronic speed control?

  Posted by brave_baker on June 05, 2008 at 14:47:44 Pacific Time

• why custom make your own motor control?
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  Yes, you can use off the self speed controllers, but that takes all the fun out of building it your self. I built this particular motor control circuit to demonstrate how easy it is to do it yourself. Plus, you can take the same circuit board and use it for other applications.

  Posted by mouter on June 05, 2008 at 15:15:31 Pacific Time

• Some questions.
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  Hello there,
  I'm looking at the same battery and charger you mention in the article.
  Does the charger come with the correct plug for charging the battery? I'm not familiar with li-poly batteries, and I'm wondering what the second plug is, is it for a balancer or the charger? Also, what power source do you use for the charger?
  I was looking at the 2-pin connectors, and they are different than what is pictured. I imagine that they just plug directly onto the headers?
  Thanks!

  Posted by RedFoxDude on June 05, 2008 at 10:49:51 Pacific Time

• Some questions.
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  No, you have to make an adapter that will connect the battery to the charger using the 2 pin connectors. The second plug is for a balancer ( not needed for this project). I used a variable power supply to supply the charger. I soldered the 2 pin connectors to the headers on the PCB.
  

  Posted by mouter on June 05, 2008 at 15:10:53 Pacific Time

• Some questions.
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  Ok, thank you very much!
  Oh, I meant the JST connectors. They just plug onto the headers? I guess I could just get the battery with the JST connector. =)
  http://www.rctoys.com/rc-toys-and-parts/TP-1320-2SPLJ/RC-PARTS-THUNDER-POWER-2-CELL-LITHIUM-BATTERIES.html

  Posted by RedFoxDude on June 05, 2008 at 19:24:09 Pacific Time

• Gerber files?
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  Would love to build this but have not idea about Gerber files, what to do with them or how to do it. Any good article to help me get started>

  Posted by New to this on June 03, 2008 at 14:44:11 Pacific Time

• Gerber files?
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  Using the gerber files given with this project, you can go online to expresspcb.com, circuitexpress.com, or others like these and send them the gerber file. They will use this files to manufacture the schematic into a printed circuit board. Prices will vary, but it's not a bad deal. You will then solder the components onto the board to finish the circuit.

  Posted by mouter on June 03, 2008 at 14:52:22 Pacific Time

• Source code for PIC12F683
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  Is the source code for the PIC12F683 going to be made available? It would provide a good starting point if one wanted change the controller behaviour.

  Posted by jmark9706 on May 27, 2008 at 21:27:24 Pacific Time

• Source code for PIC12F683
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  Yes, I do plan to make the PIC12F683 source code for this project available in the very near future. I am currently in the process of making it more modular and user friendly.

  Posted by mouter on May 28, 2008 at 08:59:14 Pacific Time

• Source code for PIC12F683
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  Thanks. I will look forward to seeing it. Thanks for the great article!!

  Posted by jmark9706 on May 28, 2008 at 14:11:11 Pacific Time

• VGA goggles?
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  Neither amazon.com nor tigerdirect.com have VGA goggles. Google found me some wired ones, but they are like $250. Are wireless ones really going to be so much less?

  Posted by drysdam on May 22, 2008 at 10:52:21 Pacific Time

• VGA goggles?
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  It looks like the exact VGA goggles I used aren't available anymore. However, there are better ones out there, that can be used with any DVD player, ipod, or TV. See; ebay, Vetronix, itvgoggles.com, and solidsignal.com. Prices seem to start at about $132.99 and go up with quality.

  Posted by mouter on May 27, 2008 at 08:59:06 Pacific Time

• VGA goggles?
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  It looks like the exact VGA goggles I used aren't available anymore. However, there are better ones out there, that can be used with any DVD player, ipod, or TV. See; ebay, Vetronix, itvgoggles.com, and solidsignal.com. Prices seem to start at about $132.99 and go up with quality.

  Posted by mouter on May 27, 2008 at 08:57:46 Pacific Time

• VGA goggles?
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  It looks like the exact VGA goggles I used aren't available anymore. However, there are better ones out there, that can be used with any DVD player, ipod, or TV. See; ebay, Vetronix, itvgoggles.com, and solidsignal.com. Prices seem to start at about $132.99 and go up with quality.

  Posted by mouter on May 27, 2008 at 08:56:39 Pacific Time

• VGA goggles?
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  I found a pair of wireless gaming glasses online here. They are only $99.95. Think they would work?

  Posted by skrimps on May 30, 2008 at 01:12:38 Pacific Time

• VGA goggles?
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  I took a look at the gaming glasses you found and I am not sure they will work. They don't say anything about supporting VGA. So, I don't think you will be able to view the video signal from the camera. However, check these out http://itvgoggles.com/shop/store/comersus_viewItem.asp?idProduct=1
  . They cost a little more, but they are a lot more versatile.

  Posted by mouter on May 30, 2008 at 08:35:11 Pacific Time

• VGA goggles?
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  The camera in the project is wireless and comes with a receiver. That said, I do wish that this project had included either plans to build or place to buy a head mounted display. Anyone with ideas where to get or how to build this part of the project?

  Posted by mrcog on May 23, 2008 at 14:42:09 Pacific Time