How To Protect Your Home With Laserbeams

This is the best thing ever.

This is awesome. So freaking cool.

thanks

Wicked. Love it. I might actually try and build this...

This is a great video, but its really lacking the textual information that benefit most Howcast videos. You're talking pretty fast and running through a lot of technical information quickly. If you included the "What you'll need" bullet points and clear, clickable steps within the timeline, this would be a lot easier to follow. This is really cool, and I'm considering trying it, but you should take into account that most viewers (like myself) aren't familiar with soldering circuit boards.

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hmmm... i don't think this will work with the schematic he provides (at around 00:47sec). The schematic should look more like this: http://img242.imageshack.us/my.php?image=schir8.jpg otherwise it looks like the siren will ALWAYS be on (+9V to the base of the NPN).

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n1 w0rk - thx

Too complicated. Slow down the instruction narrative, explain where to get the components

dude your such a shill selling out likr that i ust to love you ps your 6vold batery hack sucked what brand did you use!!!!!!!!!!!!!!!!