initial git pull

// after setting up a public ssh key
git remote add origin git@bitbucket.org:<<<me>>>/<<<project>>>.git
git pull origin master

ssh key generation

ssh-keygen
// copy contents from C:\Users\<<<me>>>\.ssh\id_rsa.pub
// paste contents to: https://bitbucket.org/account/user/<<<me>>>/ssh-keys/

Install GPIO Python library

//Install pip:
sudo apt-get install python3-pip

//Install the library and dependencies:
python3 -m pip install setuptools
python3 -m pip install RPi.GPIO
python3 -m pip install gpiozero
python3 -m pip install RPIO
python3 -m pip install pigpio