gabrielnvg / lcd-display-api

Display texts on a 16x2 I2C LCD via Python using HTTP requests on a Node.js server.

About

Display texts on a 16x2 I2C LCD via Python using HTTP requests on a Node.js server.

Installation

On project's directory, run:

$ npm install

Usage

Running the server

On project's directory, run:

$ npm start

It will be running at http://localhost:3000/

On the URL, write one or two texts as parameters with maximum of 16 characters each. They will be displayed as first and second lines on the LCD (respectively).

Example using only one line

• http://localhost:3000/lcd/Text of 16 chars (note that this example has exactly 16 characters).

Example using both lines

• http://localhost:3000/lcd/First line/Second line (note that each line has its maximum of 16 characters, making a total of 32 characters).

Observations

• This project uses Node.js' child_process to execute shell commands, so be sure to check that your user has the necessary permissions.