Build your own Amazon Echo using a Raspberry Pi with Alexa Voice Service
Raspberry Pi Roundup - create a Pi-based wifi hotspot, an Amazon Echo Show-alike and read the latest issue of HackSpace | The Pi Hut
UMA-8 USB microphone array + AlexaPi | Build a DIY Alexa device
Raspberry Pi: Alexa with Indoor Air Quality | Sensirion
Raspi-Echo: Making your own Amazon Echo using Raspberry Pi | by Hamza Ali Imran | Emumba
Raspberry Pi Weather Station / Echo Dot Outdoor Enclosure - Advanced 3D Creations
Home Automation with Raspberry Pi: Projects Using Google Home, Amazon Echo, and Other Intelligent Personal Assistants: Norris, Donald: 9781260440355: Books: Amazon.com