About

This module is PiFace CAD node for node red.

Install via Git

Run the following code in your raspberry pi terminal

cd /home/pi/.node-red/node_modules
git clone https://github.com/erfanjahanshahlo/node-red-contrib-pifacecad.git

and restart your node red server or reboot your raspberry pi.

Install via npm

Run the following code in your raspberry pi terminal

cd /home/pi/.node-red/node_modules
npm install node-red-contrib-pifacecad

and restart your node red server or reboot your raspberry pi.

Install via Download

in step one download this repository and rename main folder to node-red-contrib-pifacecad like the schematic below and copy to /home/pi/.node-red/node_modules path in your raspberry pi and restart your node red server or reboot your raspberry pi.
-node-red-pifacecad-lcd
---package.json
---pfc_lcd.py
---pfc_lcd.js
---pfc_lcd.html

Install Dependencies

For install dependencies, in your raspberry pi terminal run the below command.

sudo apt-get update
sudo apt-get upgrade
sudo apt-get install python{,3}-pifacecad

Enable SPI

To work with PiFace CAD you must enable the SPI protocol on raspberry pi. To do this you need to execute the following commands in the terminal.

sudo raspi-config
Interfacing Options -> SPI -> Yes

Getting started

To work with lcd node: Here's how to send data to this node.

ROW,COL:YOUR TEXT

for clear lcd send 1,1: to the node to clear lcd.

Be careful not to use any spaces in any of these commands.