Lextend

Sonos Gateway with many interface options as RPi IOs, Flickr Bluetooth Button and a UDP API.

Lextend has the following interfaces:

On any Linux host

• UDP

On RPi Hardware

• Flic Bluetooth Button
• Pysical GPIOs (with Extension Print 0-230V AC or DC)

By the use of the interfaces above you can trigger many Sonos actions with Lextend. For example:

• Play, Stop, Pause
• Volume +/-
• Play one of 10 uploaded mp3 and resume previously played stream
• Play one of 10 uploaded mp3 and play infinitely till stoped

Installation OS and Docker on RPi 3

Install Raspbian Lite

• https://www.raspberrypi.org/documentation/installation/installing-images/

Update Packages

Update Raspberry Pi packages using the following command

• sudo apt-get update && sudo apt-get upgrade

Install Docker

Install Docker using following command

• curl -sSL https://get.docker.com | sh

Add permission to Pi User to run Docker Commands

Add “pi” user to “docker” group using the following command. You must Log off from Raspberry Pi and Login again, for this to take effect.

• sudo usermod -aG docker pi

Verify Installation

Check Docker installation using the “docker –version” command. If you see the correct version, you are good to go.

• docker –version

Run Hello-World Program

Run the ARM-based “hello-word” Docker container using

• docker run armhf/hello-world

Docker Compose

On RASPBIAN, you can download the Docker Compose binary from the Compose repository release page on GitHub. Compose is a tool for defining and running multi-container Docker applications. With Compose, you use a YAML file to configure your application’s services. Then, with a single command, you create and start all the services from your configuration.

• sudo apt-get -y install python-pip
• sudo pip install docker-compose

Test the installation

Check Docker installation using the “docker-compose - -version” command. If you see the correct version, you are good to go.

• docker-compose --version

Install Lextend

Install git

• sudo apt-get install git

Clone Lextend from GitHub

• git clone https://github.com/lextira/lextend.git

Start Lextend

Go to lextend/src directory and up docker compose

• cd lextend/src
• docker-compose up -d

Stop Lextend

Bring everything down, removing the containers entirely

• docker-compose down

Usage

You can login to Lextend as follows:

• On any Linux host
• http://IP:8000
• On RPi Hardware
• http://IP

Contributing

If you are just starting with GitHub, you can follow this guide:

• https://codeburst.io/a-step-by-step-guide-to-making-your-first-github-contribution-5302260a2940

License

The lextend package is made available under the terms of the GNU Public License v3 (or any higher version at your choice). See the file COPYING for the licensing terms for all modules.