Salman Faris
Published © GPL3+

Intel Edison with Grove LCD

Simple LCD Display Project on Intel Edison in Node.js,

BeginnerProtip9 minutes1,042
Intel Edison with Grove LCD

Things used in this project

Story

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Code

LCD.js

JavaScript
// change this to false to use the hand rolled version
var useUpmVersion = true;
// we want mraa to be at least version 0.6.1
var mraa = require('mraa');
var version = mraa.getVersion();
if (version >= 'v0.6.1') {
console.log('mraa version (' + version + ') ok');
}
else {
console.log('mraa version(' + version + ') is old - this code may not work');
}
useUpm();
/**
* Rotate through a color pallette and display the
* color of the background as text
*/
function rotateColors(display) {
var red = 0;
var green = 0;
var blue = 0;
display.setColor(red, green, blue);
setInterval(function() {
blue += 64;
if (blue > 255) {
   blue = 0;
   green += 64;
   if (green > 255) {
       green = 0;
       red += 64;
       if (red > 255) {
           red = 0;
       }
   }
}
display.setColor(red, green, blue);
display.setCursor(0, 0);
display.write(' Hackster.io');
display.setCursor(1,1);
display.write('Intel Edison');
// extra padding clears out previous text
}, 1000);
}
/**
* Use the upm library to drive the two line display
*/
function useUpm() {
var lcd = require('jsupm_i2clcd');
var display = new lcd.Jhd1313m1(0, 0x3E, 0x62);
display.setCursor(1, 1);
display.write('uploded');
display.setCursor(0,0);
display.write('ON');
rotateColors(display);
}

Credits

Salman Faris

Salman Faris

15 projects • 314 followers
Maker | Hardware Hacker | Electronics Enthusiast

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