This Faraday Cage phone pouch blocks all radio signals coming in or out of your cellphone. Material costs are about $10, it takes ~ 30 minutes to build, and it can fit in your pocket! The purpose of this pouch is to prevent access to your phone and its data (e.g. location) if and when…
A quick and easy way to make light-up pin people! There are endless possibilities for variations on this basic concept. This method uses magnets to serve two purposes: to hold up the LED + wire pin person and to connect the negative LED leg to the battery. Materials LED Coin…
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 wanted a wearable that was simple, unique, and could be built by-hand w/ available materials….
There are a slew of relatively simple systems to control physical objects w/ software. The most popular options are Arduino, the Raspberry Pi, and BeagleBoard. I’m an avid Raspberry Pi advocate, so let’s start with that! The RPi is a simple & inexpensive computer that has general purpose input and output (GPIO) pins that interface…
