Things used in this project

Hardware components:
Pi 3 02
Raspberry Pi 3 Model B
Have a full setup with Keyboard, Mouse and HDMI monitor.
×1
Beagleboardblack
BeagleBoard.org BeagleBone Black
×1
09590 01
LED (generic)
×3
Resistor 470 Ohm
×3
Servo (generic)
Typical servo motor
×1
10722 01
Speaker: 0.25W, 8 ohms
Any speaker to connect to Raspberry Pi's audio output. (Alternative to HDMI sound)
×1
USB microphone
Microphone of a headset on Raspberry Pi's 3.5mm audio jack will *not* work. So a separate USB microphone is must.
×1
Software apps and online services:
Dp image kit 02
Amazon Alexa Alexa Skills Kit
Data stream network%402x
PubNub Publish/Subscribe API
Heroku
Cloud service provider for web app/service and lot more

Schematics

BeagleBone Black wiring
Schematic for connecting demo LEDs and a servo motor to BeagleBone Black
Bbb sch bb dqgyqzl6iv

Code

Skill adapter code running as web service
This repository contains code to run as a Heroku web app running skill adapter code for the Alexa skill.
PubNub listener and GPIO controller
This Node.js code runs on BeagleBone Black to control its GPIO (on/off and PWM) based on messages received on PubNub channel.

Credits

Photo
Gopal Amlekar

Electronics engineer with over 20 years experience in embedded systems product development, firmware, software, electronics.. Love to hack..

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