LED Calculator Mod

by John_Singleton_ in Circuits > LEDs

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LED Calculator Mod

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This mod will show you how to put LEDs in your calculator.

Get What You Need

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You need-
One calculator, small wires. 2 LEDs,screw driver, tape

Unscrew

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Unscrew the back of the calculator make sure no buttons fall out.

Take It Off

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Take the styrofoam off the back of the screen.

Cut a Hole in the Top

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Cut a hole in the top so the wires can go through.

Get the Leds

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I put 2 blue LEDs in parallel

Tape Them

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Tape the LEDs to both sides of the screen.

Direct the Wires

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Direct the wires with through the hole we made earlier.

Screw It

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Screw the Calculator Back together.

Twist a Battery Pack

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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.

Tape the Battery Pack On

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Tape the battery pack to the back of the calculator.

Put It On

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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.