How to Make a Laser Security System

People keep breaking in. Don't know who? Make a laser system.

EditSteps

1. 1
   Set up circuit board by setting in a LM714 chip into a breadboard circuit. Next, set in a voltage regulator, put in a battery clip. Then, hook the regulator to the power, after that plug the resistor into the circuit board, plug in a photocell, then connect the chip to the photocell, then pop in a voltage relay, connect the relay to the chip, then connect the relay to the power.
2. 2
   Disassemble a camera(check things you need).
3. 3
   Solder the wires to the terminal.
4. 4
   Reassemble the camera.
5. 5
   Position the circuit inside a soap caddy with holes.
6. 6
   Connect a nine volt battery to the circuit.
7. 7
   Attach wires to voltage relay.
8. 8
   Cut and tape coat hangers.
9. 9
   Position the camera to area.
10. 10
    Position laser pointer.
11. 11
    Place little mirrors.
12. 12
    Then, test the system by breaking the laser beam.

EditVideo

EditThings You'll Need

• laser pointer
• duct tape
• small mirrors
• LM741 chip
• 220 ohm resistor
• photo cell
• 20 dollar digital camera
• extra small screwdriver
• wire coat hanger.
• thin insulated wire
• bread board circuit board
• 9 volt battery
• 9 volt battery clip
• soldering equipment
• wire cutters
• soap caddy with holes
• voltage relay