Difference between revisions of "Grove - LCD RGB Backlight"
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| Line 56: | Line 56: | ||
delay(100); | delay(100); | ||
} | } | ||
| + | </pre> | ||
| + | === SerialDisplay.ino === | ||
| + | <pre> | ||
| + | |||
| + | #include <Wire.h> | ||
| + | #include "rgb_lcd.h" | ||
| + | |||
| + | rgb_lcd lcd; | ||
| + | |||
| + | void setup(){ | ||
| + | // set up the LCD's number of columns and rows: | ||
| + | lcd.begin(16, 2); | ||
| + | // initialize the serial communications: | ||
| + | Serial.begin(9600); | ||
| + | } | ||
| + | |||
| + | void loop() | ||
| + | { | ||
| + | // when characters arrive over the serial port... | ||
| + | if (Serial.available()) | ||
| + | { | ||
| + | // wait a bit for the entire message to arrive | ||
| + | delay(100); | ||
| + | // clear the screen | ||
| + | lcd.clear(); | ||
| + | // read all the available characters | ||
| + | while (Serial.available() > 0) | ||
| + | { | ||
| + | // display each character to the LCD | ||
| + | lcd.write(Serial.read()); | ||
| + | } | ||
| + | } | ||
| + | } | ||
| + | |||
</pre> | </pre> | ||
Revision as of 22:40, 16 August 2018
Grove - LCD RGB Backlight -
I2C communication
LCD I2C Address 0X3E
RGB I2C Address 0X62
Images
connectique
LCD I2C Address 0X3E
RGB I2C Address 0X62
Librairie
https://github.com/Seeed-Studio/Grove_LCD_RGB_Backlight/archive/master.zip
Code
#include <Wire.h>
#include "rgb_lcd.h"
rgb_lcd lcd;
const int colorR = 255;
const int colorG = 0;
const int colorB = 0;
void setup()
{
// set up the LCD's number of columns and rows:
lcd.begin(16, 2);
lcd.setRGB(colorR, colorG, colorB);
// Print a message to the LCD.
lcd.print("hello, world!");
delay(1000);
}
void loop()
{
// set the cursor to column 0, line 1
// (note: line 1 is the second row, since counting begins with 0):
lcd.setCursor(0, 1);
// print the number of seconds since reset:
lcd.print(millis()/1000);
delay(100);
}
SerialDisplay.ino
#include <Wire.h>
#include "rgb_lcd.h"
rgb_lcd lcd;
void setup(){
// set up the LCD's number of columns and rows:
lcd.begin(16, 2);
// initialize the serial communications:
Serial.begin(9600);
}
void loop()
{
// when characters arrive over the serial port...
if (Serial.available())
{
// wait a bit for the entire message to arrive
delay(100);
// clear the screen
lcd.clear();
// read all the available characters
while (Serial.available() > 0)
{
// display each character to the LCD
lcd.write(Serial.read());
}
}
}