Sense Hat sensors, joystick and dot matrix using the node-red-node-pi-sense-hat node. Follow the instructions below, install all prerequisites and import the given flows into your Node-RED installation using the import dialogue. The Node-RED panel - how to install Node-RED on a Raspberry Pi - is available under http://<IP of your Pi>:1880
and the Node-RED Dashboard can be reached with http://<IP of your Pi>:1880/ui
:
Install the required build-tools:
sudo apt-get install build-essential tk-dev libncurses5-dev libncursesw5-dev libreadline6-dev libdb5.3-dev libgdbm-dev libsqlite3-dev libssl-dev libbz2-dev libexpat1-dev liblzma-dev zlib1g-dev libffi-dev -y
Download and install Python 3.7.0 When downloading the source code:
wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tar.xz
tar xf Python-3.7.0.tar.xz
cd Python-3.7.0
./configure
make -j 4
sudo make altinstall
sudo apt-get install python3-pip
sudo apt-get update
sudo apt-get install sense-hat
sudo pip3 install pillow
Then install the node-red-node-pi-sense-hat node in Node-RED and node-red-dashboard from the Palette menu: