The guide is very detailed and provides a step-by-step instruction for obtaining the sample code, the dependencies, and the hardware you need to get the reference implementation running on your Pi. Given below is the hardware that you will require in order to build your own Alexa device. • Raspberry Pi 2 (Model B) • MicroUSB power cable for Raspberry Pi (normally, it is included with Raspberry Pi) • MicroSD Card • An Ethernet cable • USB 2.0 Mini microphone • A USB Keyboard • A USB Mouse • An external HDMI Monitor • Wi-Fi Wireless Adapter GitHub