Post by thread:[PIC]: Rocket Project Complete

Hi all, Thanks to all those who helped me with my guided rocket experiment this summer. Myself and a friend tested it, and it didn't come anywhere near the target, primarily because the target was being blown around by the wind and we could never get it to stay in the field of view of the sensor. Isn't it always the case that something simple slips your mind, and it thwarts your efforts?! I spent so much time planning the rocket that I forgot about the wind's effect on a tethered balloon until only a couple of hours before the launch, at which time I couldn't do anything about it. However, we learned a lot and had a tremendous amount of fun doing it, and plan on trying again in a year or so, when we have more time and can select a very calm day, or widen the sensor field of view. We really put a lot of effort into it: it ended up costing something like $500 and taking about 400 man-hours of work. There were two PICs onboard, and one on the target. :-) For this reason, I tagged this message [PIC]. Here is the URL with info and pictures. I hope to have larger pictures and a video of the launch and launch preparations soon: http://www.people.cornell.edu/pages/shb7/btsam.html Thanks especially to Hans DeVries, Peter Peres, Paul Webster, and all those who gave ideas. Hans, I used your "virtual inductor" circuit and after adjusting the component values for the frequencies I was using, it worked great and allowed the circuit to remain in the linear mode of operation, even when pointed right at the sun! Sean -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.

Hi Sean congratulations on your rocket project. Is there any chance you would publish your finished circuit diagrams for your project.... I am intrigued with the IR detector circuit you mention. ======================================================= Lawrence Glaister VE7IT email: spam_OUTlgTakeThisOuTjfm.bc.ca 1462 Madrona Drive http://jfm.bc.ca Nanoose Bay BC Canada V9P 9C9 ======================================================= {Original Message removed}

Hi Lawrence, Thanks! Sure, I put a JPG of the schematic of the pulsed light sensor at http://www.people.cornell.edu/pages/shb7/tschem.jpg Sean At 11:10 AM 8/27/00 -0700, you wrote: {Quote hidden}>Hi Sean >congratulations on your rocket project. >Is there any chance you would publish your finished circuit diagrams >for your project.... I am intrigued with the IR detector circuit you >mention. > >======================================================= >Lawrence Glaister VE7IT email: .....lgKILLspam@spam@jfm.bc.ca >1462 Madrona Drive http://jfm.bc.ca >Nanoose Bay BC Canada >V9P 9C9 >======================================================= >-- >http://www.piclist.com hint: The PICList is archived three different >ways. See http://www.piclist.com/#archives for details. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.

Hi Andy, Well, I have the VHS tape sitting here, but I have to get a hold of a video capture card. I know someone who has one, but it is a really high end type (meant for industrial apps) and I am not sure that it comes with software to produce a standard video file (i.e. .avi,.mov, etc.). So, if it does, then a couple of days. If it doesn't ,a litle longer. Sean At 07:49 AM 8/28/00 -0400, you wrote: >So when do we get to see the video? > >Andy > >-- >http://www.piclist.com#nomail Going offline? Don't AutoReply us! >use .....listservKILLspam.....mitvma.mit.edu?body=SET%20PICList%20DIGEST -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! use EraseMElistservspam_OUTTakeThisOuTmitvma.mit.edu?body=SET%20PICList%20DIGEST>

Thanks Andy! If I can't get it to work here within a few days, I will probably take you up on your offer. I have it on 8mm, too, but I am a bit reluctant to send out the original (afraid it will get lost in shipment). Are you saying that an 8mm original is better, or that even an 8mm copy is better than a VHS copy (I have no way of making a one generation 8mm copy, I would have to go thru VHS first, then back again). Sean At 08:38 AM 8/28/00 -0400, you wrote: {Quote hidden}>I can take care of that for you if you like. 8mm works a lot better, but >a good >VHS will do OK too. The videos on my site are all from an 8mm camera. >(http://www.rc-hydros.com/videos.hmtl) > >Andy > >-- >http://www.piclist.com#nomail Going offline? Don't AutoReply us! >use @spam@listservKILLspammitvma.mit.edu?body=SET%20PICList%20DIGEST -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! use KILLspamlistservKILLspammitvma.mit.edu?body=SET%20PICList%20DIGEST>

>If I can't get it to work here within a few days, I will probably take you >up on your offer. I have it on 8mm, too, but I am a bit reluctant to send >out the original (afraid it will get lost in shipment). Are you saying that Insure the content of the tape for some big amount. That usually makes it so they don't lose it. >an 8mm original is better, or that even an 8mm copy is better than a VHS >copy (I have no way of making a one generation 8mm copy, I would have to go >thru VHS first, then back again). 8mm is a much better innate quality. It uses Beta format (are you old enough to remember the Beta/VHS wars?). A copy of VHS will be worse than VHS. If you don't send the original, try an 8mm-8mm copy (no VHS) instead. Andy -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! use RemoveMElistservTakeThisOuTmitvma.mit.edu?body=SET%20PICList%20DIGEST>

Testing << Hi Andy, Well, I have the VHS tape sitting here, but I have to get a hold of a video capture card. I know someone who has one, but it is a really high end type (meant for industrial apps) and I am not sure that it comes with software to produce a standard video file (i.e. .avi,.mov, etc.). So, if it does, then a couple of days. If it doesn't ,a litle longer. Sean At 07:49 AM 8/28/00 -0400, you wrote: >So when do we get to see the video? > >Andy > >-- >http://www.piclist.com#nomail Going offline? Don't AutoReply us! >use spamBeGonelistservspamBeGonemitvma.mit.edu?body=SET%20PICList%20DIGEST -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! use TakeThisOuTlistservEraseMEspam_OUTmitvma.mit.edu?body=SET%20PICList%20DIGEST> >> -- http://www.piclist.com hint: To leave the PICList RemoveMEpiclist-unsubscribe-requestTakeThisOuTmitvma.mit.edu>