What you need for this book
All the software used in this book is freely available on the Internet. You need Raspberry Pi 2 and an Android device. In some chapters, we will even use a USB Wi-Fi dongle, DHT11 or DHT22 temperature sensor, jumper cables, an LED light, a USB Bluetooth dongle, Pi camera, USB GPS receiver, and an OBD Bluetooth interface, all of which are available on online stores.