There, I Fixed It
There, I Fixed It: Funny Bad Repairs

laser 
Share on Facebook-

Most Upvoted

91 %
566 votes
 But That's None of Our Business
84 %
565 votes
 Experiment of the Day: Walmart's Ice Cream Sandwiches Just Won't Melt
96 %
459 votes
 Roomba Wars
99 %
437 votes
 Keep It Not Un-Closed!
53 %
354 votes
 Expectant Father Puts His Own Spin on the Classic Maternity Photo Shoot

How to Build a Laser Tripwire

Favorite
Tags
Via: Seuntjie
- -
  1. Connect the one end of the relay coil to the collector of the transistor.
  2. Connect the other end of the coil to +V end of the power source.
  3. Connect your resistor and LDR to the base of the transistor.
  4. Connect the resistor to +V and the LDR to ground.
  5. Connect the emitter to ground.
  6. ????
  7. PROFIT!!!!
5 Comments

Featured

Hot Today

1

Experiment of the Day: Walmart's Ice Cream Sandwiches Just ...
2

Guardians of The Galaxy Seems Similar To Something
3

Expectant Father Puts His Own Spin on the Classic Maternity ...
4

Incredibly Bad Beat of the Day: Watch the Chaos Unfold When ...
5

Who Knew a Three-Year-Old Could Hang on So Tightly?
6

This true?
7

Jaden Smith Isn't Off the Rails, He's Just a Comic Writer ...
8

We All Have a Friend Like Sarah, or at Least We Should
9

You Can Never Have Enough Rule 63 Disney
10

Vain Attempt of the Day: Woman Strips Down and Tries to Seduce ...

Follow Cheezburger

Around the Web