Circuitry Ideas (Help me scare the crap out of "ghost hunters")
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Posted by Jayson on October 10, 2005, 12:41 am
Please log in for more thread options Ok.. First, thank you for even reading this post, as I know I am not a regular (infact I don't recall posting here ever before, though I might have). That being said.. onto the details. A local message forum of car ethusiasts were chatting about local "ghost/haunted sightings"... and long story short, have decided to visit a particular "haunted" place at a particular time on a particular day to "hunt some ghosts.." I'm looking for relatively inexpensive ways to achieve operation, "make ghost hunters crap themselves..." Who's with me? I was thinking simple things such as yellow LED's (not the superbright clear type) glowing when fishing line is "tripped" (removing a piece of plastic between two metal poles, thus completing the circuit type of thing) to give the appearance of eyes (but would be nice to throw on a sound circuitry as well which would give a "shhhhhhewwww" type of sound or something else half believable)... but staying on continuously is definitely NOT a good thing.. so a timed circuit in which the "shhhheww" sound (or whatever) would play, end and the eyes would be lit for a total of maybe 10 seconds... I'm no electrical engineer at all.. however, I have made my own PCB's and following circuits from Electronics Handbook (when it was around and if it still is then no one carries it around here) and I solder/desolder quite often. In other words, I'm not intimidated at all by following a schematic and building the circuit. I have three wireless 9v driven camera's (spy cams) already, which I plan to utilize as well in hopes to get videos of these "ghost hunters" hopefully getting the crap scared out of them... which of course would expeditiously made into a MPG or AVI for all of you to view.. :) My way of saying, "thank you for your help"... Also, any ideas are welcome as well... I would LOVE for this to be a "success" (for US that is..) TIA!!! Jayson jayson_hansen at hotmail dot com | ||||||||||||||||
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Posted by riscy on October 9, 2005, 10:50 pm
Please log in for more thread options Just to be clear, what you hope to detect from wireless cam, does it have bluetooth or wifi interface, if so, all you need is PC with same interface and use software to detects change. I see you wish to detect whoever they are ("ghost?") using metal poles, as you say, to trigger PC or recorder to record the image and also generates scary sound effects. Is this what you trying to do?. Do you have programming experience for PC ?. Building a circuit to sense trigger and then capture the picture wirelessly from the cam alone is not trivial task. I sure there is already made device (security products) that might do what needed. Otherwise I might be reading you incorrectly, my aplogise. Riscy | ||||||||||||||||
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Posted by Jayson on October 10, 2005, 1:00 am
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Sorry. I should have been more precise, I wrote this in a very fast manner anxious to start receiving replies. :) The cameras are just 2GHz cameras that run off of a 9v battery (I will probably run them from 4 D cell batteries to ensure it has plenty of power to last the entire evening). The receivers also run off of 9v and have only a video composite output (no audio feed of any kind on these). The "place" mentioned is in the middle of a forest more less.. so only a laptop can be used.. I'm not sure how I will go about collecting the video feeds, but, I'm working on that as they aren't wifi (the 2ghz is a proprietary signal frequency, no 802 standards here) and they don't have Bluetooth either. As for the "metal poles" I suppose I meant metal leaf's basically a piece of plastic wedged between two metal contacts, the plastic piece attached to a fishing line with its other end tied to a tree, so when tripped, removes the plastic thus completing the circuit as a result of the two metal contacts then coming into contact with one another. I have Pascal, C and ASM programming knowledge.. I stopped actively programming when I was 17.. | ||||||||||||||||
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Posted by Terry Pinnell on October 10, 2005, 9:15 am
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>I'm looking for relatively inexpensive ways to achieve operation, "make
>ghost hunters crap themselves..." Who's with me? > >I was thinking simple things such as yellow LED's (not the superbright clear >type) glowing when fishing line is "tripped" (removing a piece of plastic >between two metal poles, thus completing the circuit type of thing) to give >the appearance of eyes (but would be nice to throw on a sound circuitry as >well which would give a "shhhhhhewwww" type of sound or something else half >believable)... but staying on continuously is definitely NOT a good thing.. >so a timed circuit in which the "shhhheww" sound (or whatever) would play, >end and the eyes would be lit for a total of maybe 10 seconds... This should get you started: http://www.terrypin.dial.pipex.com/Images/Ghost1.gif Look forward to seeing your video; I expect to be in the closing credits <g>.
(Also posted under same heading in a.b.s.e) -- Terry Pinnell Hobbyist, West Sussex, UK | ||||||||||||||||
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Posted by Jayson on October 10, 2005, 7:40 am
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Terry, Thank you, looks good. Could you give me more insight on the sound circuit however. I would greatly appreciate it. >
> >I'm looking for relatively inexpensive ways to achieve operation, "make
clear
> >ghost hunters crap themselves..." Who's with me? > > > >I was thinking simple things such as yellow LED's (not the superbright > >type) glowing when fishing line is "tripped" (removing a piece of plastic
give
> >between two metal poles, thus completing the circuit type of thing) to > >the appearance of eyes (but would be nice to throw on a sound circuitry
as
> >well which would give a "shhhhhhewwww" type of sound or something else
half
> >believable)... but staying on continuously is definitely NOT a good
thing..
> >so a timed circuit in which the "shhhheww" sound (or whatever) would
play,
> >end and the eyes would be lit for a total of maybe 10 seconds...
>
> This should get you started: > http://www.terrypin.dial.pipex.com/Images/Ghost1.gif > > Look forward to seeing your video; I expect to be in the closing > credits <g>. > > (Also posted under same heading in a.b.s.e) > > -- > Terry Pinnell > Hobbyist, West Sussex, UK | ||||||||||||||||
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> have bluetooth or wifi interface, if so, all you need is PC with same
> interface and use software to detects change.
>
> I see you wish to detect whoever they are ("ghost?") using metal poles,
> as you say, to trigger PC or recorder to record the image and also
> generates scary sound effects.
>
> Is this what you trying to do?.
>
> Do you have programming experience for PC ?.
>
> Building a circuit to sense trigger and then capture the picture
> wirelessly from the cam alone is not trivial task. I sure there is
> already made device (security products) that might do what needed.
>
> Otherwise I might be reading you incorrectly, my aplogise.
>
> Riscy
>