The required hardware for each project is mentioned right at the beginning of every chapter; all software that is used in these projects is Open Source and freely available from the Internet. You will need a Raspberry Pi Zero of course; the latest Pi Zero W is recommended, so that you can make use of the on-board Wi-Fi to access your computer remotely without the need for an additional USB Wi-Fi dongle.
You will also need access to various tools for the different projects in this book. Again, each chapter details what you will need; the essential 'shopping list' includes a soldering iron, wire strippers, and a set of crocodile-clip helping hands.