How to make a Laser Alarm
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Uploader Comments (cinnamon424)
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All Comments (18)
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I want to ask if somebody know how to make the circuit change that the rezult would be: when you interupt the laser beam the siren will scream until you turn it off by some switch or smth.?
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Mute button we meet again
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My model is working the other way round!!!....the alarm is on when the laser is not disturbed and when it is disturbed the alarm goes off
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can you build this on a breadboard
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is there a way i could print the schematics
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do you know where to get the 5k variable resistor.radioshack is like 20mi from my house and I cant find it on their website.
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0:31 what do u called th the right side which has positive and negative sign??? please respond!!! i want to make one!!!
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this will work without photocells??!
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thnks kipkay dosent tell exactly what capicator to use and im to stupid to figure it out
ndawsome 1 year ago
@ndawsome you're welcome.... if you need anything just message me
cinnamon424 1 year ago
i still can't find all of that stuff
Dositej1997 1 year ago
@Dositej1997 You can find most of the items in RadioShack. I think they are all there... You can find some also on the eBay.com
cinnamon424 1 year ago