Book excerpt: Leverage the cheapest and smallest computer to build exciting wearable projects.About This Book* A practical and interesting guide that exposes you to amazing wearable projects* Feel like a superhero by creating messages in air using a glove and protecting people* Stay connected to Amazon cloud with a Star trek CommunicatorWho This Book Is ForIf you are a hobbyists who wants to get their hands on Raspberry Pi Zero and leverage it to build exciting wearable gadgets, this book is for you. Some prior basic programming knowledge along with Linux programming and electronics would be useful. What you will learn * Adding hardware to the Pi Zero* Modifying clothing to incorporate a small computer* Software modification and configuration* Power management and powering the Pi Zero with batteries* Soldering skills* Creating POV messages* Unique OS installationsIn DetailRaspberry Pi Zero is a revolutionary product announced by Raspberry Pi foundation that provides powerful features in spite of being a tiny chip. It has created a lot of buzz in the market from the fact that it was out of stock within 24 hours post its announcementThis book will focus on leveraging its size by building amazing wearable projects as it is half of model A but offers twice the power. We will teach how this small device can be used in wearable technology like a fitness hat which can be used to track your outdoor pursuits, small smartwatch sized LCD displaying time, embedding a Pi Zero into a glove along with LEDs, Listening to music by adding basic audio output to Pi Zero. Finally, you will also learn to build a stunning head-up display which can be used for night vision.By the end of this book the reader will learn how Pi Zero can be combined with various wearable products that match their needs and desires to make life more enjoyable.