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Motinon Sensor Airsoft Gun Answered

Im trying to figure out how to connect a motion sensor to a electric airsoft uzi. I want it to be able to shoot out bb's when someone walks by. Ive looked at alot of different projects on the net but they dont have a step by step way to show how to make it. Im using a nine volt to power it all for now. If anyone could help it would be appreciated.

10 Replies

user
wesie42 (author)2008-03-19

wire an ir led then viola!

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user
edfel01 (author)2008-03-19

ya if u want to get some cheap try sensors use spy gear thing take it apart and rewire it to pull the trigger when someone walks by.

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user
insane in the membrain (author)2007-07-15

Keep the motion sensor, mabey put it on low sensativity.Then go to radio shack, and get a small DC motor.its like $2.75. On the end of the motor shaft put ecentrink roller ,or a peice of metal off center,like a cam.so when the motion sets off the power the off center metal will pull the trigger on and off. very fast.the motor I bought goes at 8300rpms

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user

I bought a really cheap motion sensor from wal-mart, actually its a light that you put in you hallway that turns on when you walk by. It does not have a sensitivity switch all it has is a pir sensor, the dusk sensor and a led light. I have a motor that i pulled of my air soft gun but this is my first time dealing with motion sensors so when u say ecentric roller or piece of metal im not sure where to put it because there is no switch. The switch that i have came from inside the gun.

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ongissim (author)2007-07-15

Since it's electric, all you need to do is wire a trip-line up to the trigger, since it is really an electronic switch. I would reccomend using an infra-red "trip-line" from American Science & Surplus. Just wire the alarm to the trigger switch.

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user
Darke (author)2007-07-14

i have a micro switch that i bought from radio shack but im either missing a part that i need or im not wiring everything the correct way.

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user
Weissensteinburg (author)2007-07-14

Your best bet might me to get a motion sensor from an old Halloween toy, or something. and then hooking it to a motor that will pull the trigger.

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user
Darke (author)Weissensteinburg2007-07-14

i already have the motion sensor but when i connect the leads from the motor of the airsoft gun to the leads of the motion sensor it powers everything at once. i Want the motion sensor to sense movement first then the motor should go off.

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user
Weissensteinburg (author)Darke2007-07-14

You're going to need a micro controller...I can't help you with that, but some other people here can.

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user
Darke (author)2007-07-14

damn i miss spelled motion (i feel like a jackass) hahaha

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