O'Reilly logo

15 Dangerously Mad Projects for the Evil Genius by Simon Monk

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

CHAPTER 5Balloon-Popping Laser Gun

Image

CONTINUING WITH THE GUN THEME, this project will allow the Evil Genius to shoot tin cans off a wall and burst balloons with a tiny but super-powerful laser gun, essentially your stock sci-fi “ray gun” (see Figure 5-1).

Well, actually, as you might have come to expect from the Evil Genius, there is a bit of trickery going on here.

The gun itself is just a low-power laser, and if you wish, you can simply use a standard laser pointer. The clever bits are in the “can” or the “balloon popper.” Both of these have a sensor that detects the laser light and an electronic circuit that turns on a high-power transistor. ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required