Create your own personal light-up Valentine's Day's gifts by adding this paper heart circuit to a card or other papercraft creations.
Creative electronics projects using paper, LEDs and copper tape are a great way of lighting up your artwork. Instead of using wires to connect a battery to LEDs, paper circuits use conductive metal tape.
Level of Difficulty: Beginner
This activity is good for innovators of all ages that are new to creating with electronics. All you need to know how to do is cut paper and use tape. You will make a basic LED circuit on paper.
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Step 1: Materials and Tools
- 1 LED
- 1 3 Volt Coin Battery (CR2032)
- Copper tape - enough to make the heart shape
Step 2: Draw Your Heart
On your piece of paper, draw two heart half shapes with a pencil.
Make sure there is a gap at the top and bottom of the heart. This is where you will later place the LED and the coin battery.
Step 3: Cut Copper Tape
Place a strip of copper tape along a little over half of your heart sketch. Cut the tape off the roll.
Cut the copper tape in half along into two long strips. This will help you form the shape of the heart.
Step 4: Tape Copper Tape Along Design
Tape the strips of copper tape over the pencil drawing of your heart.
Make sure there is a gap at both the top and bottom of the heart.
Step 5: Add LED
The LED will be placed at the top of the heart.
- Identify the positive (+) lead of the LED. The positive(+) lead is the longer lead.
- Bend the LED leads so that the positive lead is on the left side of the top of the heart
- Cut the leads so that each lead is placed over the copper tape
- Tape down the LED with additional small strips of copper tape
Step 6: Add Battery
The coin battery should be placed at the bottom of the heart.
- Identify the positive side of the battery. It is labeled with a '+' sign. The other side of the coin battery is the negative(-) side.
- Place the battery down onto the copper tape of the right half of the heart so that the negative side is touching the copper tape.
- Using a small strip of copper tape, tape the positive side of the battery to the copper tape on theleft half of the heart.
Step 7: Light Up Your Heart
Your LED should light up!
If your LED is not on check the following:
- Press down on the copper tape connections on the LED leads. Make sure they are making contact.
- Press down on the copper tape on the battery.
- Make sure the negative side of the coin battery is making contact with the copper tape.