How To Make a Trip Wire Alarm
- February 6, 2008
- 32,427 Views
Music (calypso & electro tracks)
Todd Mazierski
Music (pop punk at end)
Kyle Hildenbrand
Expert
Randy Sarafan
Writer
Howcast Studios
Want a heads up next time that annoyingly chirpy coworker is heading over for some annoyingly chirpy chitchat? Rig up this little system and you’ll never be caught off-guard again.
You Will Need
- A clothespin
- Some aluminum tape
- Some red electrical wire
- Some black electrical wire
- A wire cutter and stripper
- A battery-powered noisemaker
- A 9V battery
- A 9V battery holder
- Some fishing line
- A sheet of paper
Step 1: Wrap aluminum tape around clothespin tips
Wrap aluminum tape around both tips of the clothespin, leaving a tab on each end so you can attach wires.
Step 2: Tape electrical wire to clothespin
Cut a piece of black electrical wire, strip both ends, and tape one end to one tip of the clothespin.
Step 3: Connect negative pole to other tip
Locate the wire running from the negative pole of the noisemaker—the pole marked with a minus sign—and connect it to the other tip of the clothespin.
If your noisemaker doesn’t come with wires already attached, just cut and strip another piece of your own to use.
Step 4: Connect wires to battery holder
Locate the wire leading from the positive pole of the noisemaker and connect it to the battery holder. Now do the same with the remaining black wire coming from the clothespin.
You’ve just built a completed circuit. Connect the battery to make sure it works. Now DISCONNECT IT!
Step 5: Fold paper & string fishing line
Start folding your sheet of paper into a triangle, but stop halfway. Now string the fishing line across the strongest crease, tie it off, and finish the triangle.
Step 6: Put folded paper inside clothespin
Put the folded paper inside the clothespin.
Step 7: Tape to inconspicuous place
Tape the clothespin, noisemaker, and battery to an inconspicuous place in your coworker’s path.
Step 8: Run fishing line to secure anchor
Run the fishing line to a secure anchor across the way.
Step 9: Wait for “Mr. Chirpy” to head your way
Now just wait for “Mr. Chirpy” to head your way.
During the 2004 battle of Fallujah, U.S. military units played loud music and “deterrent tones,” hoping to distract insurgents and “increase their vulnerability.”
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Comments (10)
looks like fun
over 3 years ago by KatieL
Nice video. Good work. Video shows whats needed and how.
over 3 years ago by denport
Clear, Entertaining, intriguing
Intellectually stimulating!
Well-researched.
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over 2 years ago by Wynne_Evans
Damn Pizza Slices always trying to chat me up.
over 2 years ago by deckard1
i live how cast it really helps
over 2 years ago by Candido_Sebastian
where did you buy the supplies
over 2 years ago by techdude
haha
about 1 year ago by Nerd_Ball
I wanna eat that pizza thing off!
about 1 year ago by blahwah
hi guys, where did use by the battery powered noise maker from
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OU MUST NOT MISS IT!!
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