These are the instruction to install the environment for do the FFT in the RPi:

$ sudo apt-get install libblas-dev
$ sudo apt-get install liblapack-dev 
$ sudo apt-get install python-dev 
$ sudo apt-get install libatlas-base-dev
$ sudo apt-get install gfortran 
$ sudo apt-get install python-setuptools 
$ sudo easy_install scipy
$ sudo apt-get install python-matplotlib

Source: http://wyolum.com/numpyscipymatplotlib-on-raspberry-pi/

These are the instruction to install the environment for TensorFlow in the RPi:

$ sudo apt-get update
$ python --version
$ sudo apt-get install python-pip python-dev
$ wget https://github.com/samjabrahams/tensorflow-on-raspberry-pi/raw/master/bin/tensorflow-0.9.0-cp27-none-linux_armv7l.whl
$ sudo pip install tensorflow-0.9.0-cp27-none-linux_armv7l.whl

These are the instruction to install the environment for Thinkspeak, local, in the RPi:

$ sudo apt-get -y install build-essential git mysql-server mysql-client 
    libmysqlclient-dev libxml2-dev libxslt-dev libssl-dev libsqlite3-dev

$ mysql --user=root mysql -p raspberry_pass_ownUSer
$ mysql> CREATE USER 'thing'@'localhost' IDENTIFIED BY 'speak’;
$ mysql> GRANT ALL PRIVILEGES ON *.* TO 'thing'@'localhost' WITH GRANT OPTION;
$ mysql> commit;
$ mysql> exit;

$wget http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.5.tar.gz
$tar xvzf ruby-2.1.5.tar.gz
$cd ruby-2.1.5 && ./configure
$ make && sudo make install  && cd ..
$ echo "gem: --no-rdoc --no-ri" >> ${HOME}/.gemrc
$ sudo gem install rails -v 4.1.10

$ sudo bundle update
$ sudo chmod -R 777 /usr/local/lib/ruby/gems/2.5.0/
$ gem install json

$ git clone https://github.com/iobridge/thingspeak.git
$ cp thingspeak/config/database.yml.example thingspeak/config/database.yml
$ cd thingspeak
$ bundle install -V
$ bundle exec rake db:create

$mysql --user=root mysql -p
$mysql> show databases;
#+----------------------------  +
#| Database                        |
#+----------------------------  +
#| information_schema        |
#| mysql                              |
#| performance_schema      |
#| thingspeak_development |
#| thingspeak_test               |
#+------------------------------+

$mysql> exit; 
$bundle exec rake db:schema:load 

$rails server webrick

These are the instruction to install Kivy in the RPi:

$ sudo apt-get update
$ sudo apt-get install libsdl2-dev libsdl2-image-dev libsdl2-mixer-dev libsdl2-ttf-dev \
   pkg-config libgl1-mesa-dev libgles2-mesa-dev \
   python-setuptools libgstreamer1.0-dev git-core \
   gstreamer1.0-plugins-{bad,base,good,ugly} \
   gstreamer1.0-{omx,alsa} python-dev cython

$ git clone https://github.com/kivy/kivy
$ cd kivy

$ make
$ echo "export PYTHONPATH=$(pwd):\$PYTHONPATH" >> ~/.profile
$ source ~/.profile

Source: https://kivy.org/docs/installation/installation-rpi.html