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After getting excited about the Raspbery Pi thanks to Tom, I decided to play with one from the ER. I also checked out a FTDI friend, and the USB cables that are needed (micro for the power, mini for the FTDI)

First I followed the Installation Guide for Linux to create a new Raspbian Lite image in the SD card.

After following Raspberry Pi 3 GPIO pins, this reference, and Tom’s book instructions for the UART connection, I realized it would be better to make a fast connector between the Pi pins and the FTDI friend – The previous connection was sloppy, and working but in an intermitent way…

I soldered an adapter between the GPIO layout to the FTDI friend layout

I powered the Pi with the Micro USB, and connected to it through the Mini USB

Connected through minicom!

To start minicom:

$ minicom -b 115200 -o -D /dev/ttyUSB0

Something important that I read here, is that I needed to turn off Hardware Flow control so that I could actually send something.

After estabilishing the connection, I could follow some instructions from Koji ( http://koji.ml/blog/2017/03/projectsetup-raspberry-pi-3/ ) and from Tom’s book.

I registered the Raspberry Pi as mine in computer.registration.nyu.edu and connected it with an Ethernet cable.

After enabling SSH access from minicom, I could login through the network.

Left – SSH access, Right – UART access (So much fun!)

I installed NVM / Node as the instructions of Koji say (especifically

curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.1/install.sh | bash

)

I also installed git and vim

sudo apt-get install git vim

Finally I could get nodeDmx examples from Tom…

git clone https://github.com/tigoe/nodeDmx

And run them…

cd nodeDmx
npm install dmx
node ElationSpot.js

I will connect the Pi to the USB to DMX converter later…

I will also read about using the GPIO pins as digital inputs of some sort…