Laser Light Projector

i had made it from household material

I had used motors,battery,batterycap,mirrors,laserlight,switch,holder ,and eraser

It will help you to understand the angle

first hole in the exam pad and then fix screw and motor
and cut eraser and fix as shown and glue it

solder it with soldering iron as shown in figure

hang the switch on the pad

note: i had used switch for controlling motor but you have to use speed motor controller

my laser was not so powerful that it can be seen but as you can come near the wall it will powerful



note= use powerful laser pointer or laser beamer