Writing in circuits with a conductive ink pen! To make this, you will need: LED Circuit Stickers conductive ink or paint (like the Circuit Scribe pen) 3V coin cell battery binder clip 1. Download and print out the following template and cut along the black outline: 2. Trace over the gray lines with your conductive […]
Sailboat Card
Stars twinkle in the sky when you slide your finger across the waves. The twinkling effect is from a slide switch. When you press at certain points, you connect LEDs to the battery. The card is thin and and light, and fits in a regular envelope! To make this card, you will need: LED Circuit […]