Hazardous Gas Monitor

Build a portable gas monitor to check for dangerous levels of hazardous gases in your home, community, or on the go and prevent your friends from lighting a cigarette during  a gasoline fight.* This tutorial shows you how to build a… Read more

Sound Reactive EL Wire Costume

Bring science fiction to life with a personalized light-up outfit! EL wire is a delightfully futuristic-looking luminescent wire that has the added benefit of staying cool, making it ideal for wearable projects. Combining sensors and a microcontroller with EL wire… Read more

Simple LED Earrings

Wearables are an awesome, relatively new extension of circuits. Conductive threads & fabrics make it easy to attach components like LEDs and sensors to clothing/accessories. Plus, they are a super fun introduction to electronics! These LED earrings were designed b/c I… Read more