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Rob Spiegel
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Blogger
Gadget Freak Best of
Rob Spiegel   6/29/2011 9:31:52 AM
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William's gadget is also featured in the Gadget Freak e-book, which collects some of the best Gadget Freak entries in recent years.

sensor pro
User Rank
Gold
Re: comment back from author
sensor pro   6/28/2011 10:54:50 AM
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You are welcome. I look forward for your new ideas. You never know how one of these can turn around.

I myself now concentrate in angi=ular positionning and mini compasses. Hope to publish some applications if customers allow.

Good luck.

E.M.

wgrill
User Rank
Iron
Re: comment back from author
wgrill   6/28/2011 10:46:22 AM
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Thanks for your comments. I have published dozens of article in Gadget Freaks, EDN's Design Ideas, Test and Measurement and in Electronic Design. All were solid and interesting applications. While nobody makes a bunch of money in articles, I have found them to be challenging and fun. I am delighted this one got so many comments. I have already started the next one which I hope you will see in a future issue.

Regard

WGrill 

 

 

 

 

    

sensor pro
User Rank
Gold
Re: remote launce.
sensor pro   6/24/2011 11:57:36 AM
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You right on the money. When I was lecturing computer science I saw that students could write any code but no concept of how it all comes to life. I was able to introduce some small lab experiments to build basic adders with gates and LEDs. You should have seen their eyes. The moment they saw that some assortment of wires and some crazy black chips can do that, many other subjects just became clear.

 

I can just imagine what such a nice practical project can do. It may take them a month to complete, but the educational gain and practice is unmeasurable.

 

I wish some one moves on something like that.

Jason
User Rank
Gold
Re: remote launce.
Jason   6/24/2011 11:17:15 AM
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Absolutely brilliant!  I can see this quickly becoming a large enough project that could keep students, or hobbyists, busy for some time. 

 

Another additional modification that could be made would be a tracker and height logger that would allow locating the rocket should the wind blow it off course, and overal height acheived of the rocket's flight. 

 

This of course is more for in the rocket and thus ventures off of the main point of the article, but woul d be good additions!

sensor pro
User Rank
Gold
Re: remote launce.
sensor pro   6/24/2011 11:09:10 AM
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You are correct. With such a simple design it is easy to add many capabilities. Display with countdown is a great idea. It is possible also to add a tilt sensor to monitor the pre-launch angle and display it on the screen. Another item is a small camera to save the video from behind. I would just get a small camera with flash card and save it all by sichronizing with the launch.

In one project students can learn micros, sensors, , display, camera use, memory and communication. Super project, and very practical.

 

Jason
User Rank
Gold
Re: remote launce.
Jason   6/24/2011 10:53:44 AM
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@sensor pro: Yes, it is a simple, and elegant solution to an issue that I know I have fought with for a long time with the model rocket field.

For anyone who decides to build this, why not add a bit more complexity to the project?  *After* you have a working one that is!  Why not extend the use of the PIC to include a display that will countdown to the launch?  Or adding an audible countdown?  These will require a bit more knowledge about the PIC's programming and LCD's if you do the display option, but it would be a great High School technology project or Science Fair project. 

 

@Grill: You should start talking to the model rocket manufacturers and see about getting this incorporated into their launchers!

 

Jason

 

LCD's on Allied Electronics site:

http://www.alliedelec.com/search/searchresults.aspx?N=0&Ntk=Primary&Ntt=AZ+Displays

sensor pro
User Rank
Gold
remote launce.
sensor pro   6/23/2011 5:00:50 PM
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Nice to see that someone uses PIC in such a simple way. Very intelligent design.

Very simple and direct. Much better then hiding in a protective "dog house" near the lauch pad. Super idea.

Thanks

Jennifer Campbell
User Rank
Gold
Re: A safer launch for rocket man
Jennifer Campbell   6/23/2011 1:27:17 PM
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To all our backyard tinkerers - have fun building some of the useful and zany projects you find on DesignNews.com, but be careful out there!

Rob Spiegel
User Rank
Blogger
A safer launch for rocket man
Rob Spiegel   6/23/2011 12:59:09 PM
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It's good to see that William has figured out a way to launch his rocket from a safe distance.



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