MATRIX OS Raspberry Pi Simple Set Up

In the previous post, I explained what a MATRIX Voice and a MATRIX Creator is and the difference between the two. I highly recommend you to go through the first part if you are new to it and get a better understanding of the whole project. Great. Now you know what a MATRIX device is and what it can do. Now let us set it up with a raspberry pi. Lets get started.

Things Needed

  • Raspberry Pi
  • Matrix Device
  • Micro SD Card
  • Active Internet Connection
  • A Power Adapter ( Min 2.3 Amp)
  • Camera (Optional)  

Video Tutorial

Connecting your MATRIX to the Pi

MATRIX device is built in such a way that, it will fit easily on top of the Pi.If you turn the device upside down, we will be able to see the female header pins, which can be connected to the male GPIO pins of the Pi. If you are using a camera, connect it to the Pi before connecting the MATRIX.

Align the Female pins of the MATRIX to the Male pins of the Pi in such a way that the center of the Pi will align with the center of the MATRIX.

Now press them together.

PC Setup

Before starting the setup make sure you have npm installed on your PC. Follow this tutorial to install npm on your PC.

Once npm is installed, you can install the CLI tool using the command

npm install -g matrix-cli

Once it is installed, you can create a new account using the command

matrix register

Enter the account details and finish the registration process. Now sign in to the account using

matrix login

Now to interact with your device, you will have to register the device to the CLI tool. For that execute the command

matrix register device

Once it is completed, system will generate a MATRIX_DEVICE_ID and MATRIX_DEVICE_SECRET which we will be using it in the future. Output will be something like. These two lines are important and we will be using it the Device Setup.

export MATRIX_DEVICE_ID=bc1af4c5be24
export MATRIX_DEVICE_SECRET=02ue4y28164h7765hg6737423rh72843h78222012j112

Raspberry Pi Setup

Setting up the OS

Download and burn latest Raspbian image  to a micro SD card and insert it into the raspberry Pi.

Now power it up with a power adapter that can provide at least 2.5 Ampere. Now fire up your terminal and create a password for the user ‘pi’ by executing the command

sudo passwd pi

Connect your Raspberry Pi to a WiFi router or Wired network and make sure it is connected by checking whether it is getting an IP address from the switch.

Now perform and update and upgrade by running

sudo apt update -ysudo apt upgrade -y
Setting up MOS

Now we can install MOS (Matrix Open System). Now execute

curl | sh

This will install the MOS and all the required dependencies. Once everything is finished, the Pi will automatically reboot.

Now go to your home folder and create a file called .envrc

nano .envrc

Here, paste the two lines with the id and secrets exactly as shown when it was generated, like shown below.

export MATRIX_DEVICE_ID=bc1af4c5be24
export MATRIX_DEVICE_SECRET=02ue4y28164h7765hg6737423rh72843h78222012j112

Now save and close the file and run

source .envrc

Now you can start the MOS. Go to matrix-os folder and run

node index.js




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