As electronics have shrunk and power requirements have gotten less demanding, it's no surprise that we're starting to wear our electronic creations. Today's microcontrollers are tiny micro-sized computers that can be embedded into many projects--especially wearables. And they are perfectly happy running off a coin cell or rechargeable lithium polymer battery. This issue explores the latest trends in microcontrollers, with a special focus on wearable and lightweight boards. With 34 projects inside, you can build everything from a smart watch to your own electronic garments. A special section on Intel's Edison tells you everything you need to know about this powerful, inexpensive, and lightweight board.

Hack your ride! In this volume of Make:, you'll find a 21-page special section on connected cars. You'll also see the world's cutest go-kart, DIY electric vehicles, 12 bike mods, and learn about custom dashboard computing. And if you can't wait for the upcoming movie, build yourself a working, Star Wars-inspired, BB-8 droid! This issue also features skill builders on spray paint, choosing the right battery, and working with sheet metal and rivets. On top of that, you'll find 40 projects, including: A 3D-printed RC race car The million-color flashlight Water balloon cannon