Introduction: LED Calculator Mod
This mod will show you how to put LEDs in your calculator.
Step 1: Get What You Need
One calculator, small wires. 2 LEDs,screw driver, tape
Step 2: Unscrew
Unscrew the back of the calculator make sure no buttons fall out.
Step 3: Take It Off
Take the styrofoam off the back of the screen.
Step 4: Cut a Hole in the Top
Cut a hole in the top so the wires can go through.
Step 5: Get the Leds
I put 2 blue LEDs in parallel
Step 6: Tape Them
Tape the LEDs to both sides of the screen.
Step 7: Direct the Wires
Direct the wires with through the hole we made earlier.
Step 8: Screw It
Screw the Calculator Back together.
Step 9: Twist a Battery Pack
Twist a battery packs 2 wires onto the wires of the LEDs. U can make a battery pack in my Annoying 9volt battery prank project.
Step 10: Tape the Battery Pack On
Tape the battery pack to the back of the calculator.
Step 11: Put It On
When it is connected with a 9 volt battery the screen will glow blue. We are not using the batteries inside the calculator because they are not powerful enough.
7 years ago
Perfect for late night calculations! :)