Check out this iPhone-controlled 5×7 laser matrix built using 35 laser pointers, a PIC16F722 microcontroller, some miscellaneous parts, and a custom iPhone app.

Make a Laser Matrix Projector for the iPhone

Adam Flaherty

Adam Flaherty

I make cool stuff and write about other people making cool stuff on makezine.com. If you have something you think I should see, send me a tip.