raspberrypi-simple-i2c-lcd

Simple control of i2c lcd on Raspberry Pi

Install

Be sure to have enabled I2C on your raspberry, if not use sudo raspi-config interface to do it

npm i raspberrypi-simple-i2c-lcd

Usage

Be sure to use the right address depending on your i2c lcd device, here is an example with 0x3F address

const SimpleLCD = require('raspberrypi-simple-i2c-lcd');

// Init a 1602 lcd on 0x3f i2c address on i2c bus 1
const lcd = new SimpleLCD(1, 0x3f, 16, 2);

// then

lcd.lines = ['Hello', 'World'];

// or

lcd.setLine(0, 'Hello');
lcd.setLine(1, 'World');

API

• Properties
  • height [read-only] : int - The number of lines
  • lines : array of strings - The lcd lines text content
  • width [read-only] : int - The number of characters on a line
• Methods
  • getLine( lineIndex : int ) : string - Returns the text content of the specified line
  • setLine( lineIndex : int, text : string ) : void - Sets the text content of the specified line