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lcd.ino
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lcd.ino
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#include <Wire.h>
#include "rgb_lcd.h"
// using this code requires installing the rgb_lcd library:
// https://github.com/Seeed-Studio/Grove_LCD_RGB_Backlight/archive/master.zip
rgb_lcd lcd;
const int colorR = 255;
const int colorG = 0;
const int colorB = 0;
// LCD device can be connected to any port labelled I2C
void setup() {
// set # rows, # cols, and # dots per char
lcd.begin(16, 2, LCD_5x8DOTS); // these values come from the lcd device specs
lcd.setRGB(colorR, colorG, colorB); //red background
lcd.clear();
lcd.print("Starting ...."); // print message to lcd
delay(1000); // wait 1 sec
}
void loop() {
lcd.clear();
delay(500); // clear any text that was previously on the lcd
lcd.setCursor(0, 0); //position cursor at column0, row0
lcd.setRGB(colorR, 100, colorB); // red + a bit of green = yellow
lcd.print("Hello,");
delay(1000);
lcd.setCursor(7, 1); // position cursor at col7, row1
lcd.setRGB(colorR, colorG, 100); // red + blue = purple background
lcd.print("world!");
delay(1000);
}