จอ LCD สีฟ้า 16x2 Character LCD 1602 (Blue Backlight)

รายละเอียดสินค้า

วิธีการต่อกับ Arduino




ตัวอย่าง Code

#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2); // RS, E, D4, D5, D6, D7
int i=0;
void setup() {
 lcd.begin(16, 2);
 lcd.print("Display");
 lcd.setCursor(0, 1);
 lcd.print("ArduinoNa.com");
 delay(3000);
 lcd.clear();
}

void loop() {
 lcd.setCursor(0, 0);
 lcd.print(" Count ");
 lcd.setCursor(0, 1);
 lcd.print(" n =  " + String(i));
 delay(500);
 lcd.clear();
 delay(500);
 i++;
}

รายละเอียดเพิ่มเติม

16×2 Character LCD Module Blue Background (Liquid Crystal Display) screen is an electronic display module and find a wide range of applications. A 16×2 LCD display is very basic module and is very commonly used in various devices and circuits. These modules are preferred over seven segments and other multi segment LEDs.

 

A 16×2 LCD means it can display 16 characters per line and there are 2 such lines. In this LCD each character is displayed in 5×7 pixel matrix. This LCD has two registers, namely, Command and Data.

 

The command register stores the command instructions given to the LCD. A command is an instruction given to LCD to do a predefined task like initializing it, clearing its screen, setting the cursor position, controlling display etc. The data register stores the data to be displayed on the LCD. The data is the ASCII value of the character to be displayed on the LCD. Click to learn more about internal structure of a LCD.