Intro: 9 Volt Battery Noise Module PRANK
This is a 9 volt battery module that will make very annoying noises. Hide this small device anywhere and annoy the crap out of your friends. Let's get started :)
Step 1: Take Off the Top
Take the top off a 9 volt battery with some pliers or anything you want to use.
Step 2: Put the Wires On
Twist the wires onto the back of 9 volt battery clip you just made.
Step 3: Tape the Wires
Tape the wires so they stay in place
Step 4: Attach 1 Wire
Attach one wire from a color changing LED to one of the wires on the clip. Make sure it's the right wire or it won't work.
Step 5: Attach the Speaker
Attach the speaker to the two wires that you have left. Now the circuit is complete.
Step 6: Now Tape It All Down
Tape the circuit down and make sure the wires don't touch.
Step 7: Take It Off
I had to take off the top of the speaker because it wall blocking the sound.
Step 8: It's a Small Device
It's so small so u can hide it anywhere.
Step 9: It's Finished
Now that it's finished you can go and hide it. The newer the battery the higher the sound frequency.