Ads by ArduinoGetStarted.com
Arduino - lcd.begin()
Description
Initializes the interface to the LCD screen, and specifies the dimensions (width and height) of the display. begin() needs to be called before any other LCD library commands.
Syntax
lcd.begin(cols, rows)
Parameters
- lcd: a variable of type LiquidCrystal
- cols: the number of columns that the display has
- rows: the number of rows that the display has
Example
Hardware Required
Disclosure: Some links in this section are Amazon affiliate links. If you make a purchase through these links, we may earn a commission at no extra cost to you.
Additionally, some links direct to products from our own brand, DIYables.
Additionally, some links direct to products from our own brand, DIYables.
Wiring Diagram
This image is created using Fritzing. Click to enlarge image
Arduino Code
#include <LiquidCrystal.h>
LiquidCrystal lcd(11, 12, 2, 3, 4, 5);
void setup()
{
lcd.begin(16, 2); // set up the LCD 16x2
lcd.print("hello, world!"); // print a message to the LCD
}
void loop() {}
See Also
※ ARDUINO BUY RECOMMENDATION
| Arduino UNO R3 | |
| Arduino Starter Kit |