Features:
High quality LCD screen, Yellow Green, clear display
IIC bus control, it only takes two IO ports
Backlight control, you can control via a jumper, you can also program control
Adjustable display contrast Compatible to Arduino Interface: I2C I2C Address: 0x3F(address can't be changed ) Sofware version :0022 SDA (DATA) -> analog input pin 4 Pin Definition : GND、VCC、SDA、SCL Arduino Test Code： #include <Wire.h> LiquidCrystal_I2C lcd(0x27,16,2); //set the LCD address to 0x27 for a 16 chars and 2 line display void setup()
SCL (CLOCK) -> analog input pin 5
Back lit (Yellow with black char color)
Supply voltage: 5V
Pcb Size : 60mm×99mm
Contrast Adjust : Potentiometer
Backlight Adjust : Jumper
#include <LiquidCrystal_I2C.h>
{
lcd.init();
lcd.backlight();
lcd.setCursor(0, 0);
lcd.print("b2cqshop");
lcd.setCursor(0, 1);
lcd.print("Voltage: ");
lcd.setCursor(13, 1);
lcd.print("V");
}
void loop()
{
int val;
float temp;
val=analogRead(0);
temp=val/4.092;
val=(int)temp;//
lcd.setCursor(9, 1);
lcd.print(0x30+val/100,BYTE);
lcd.print(0x30+(val%100)/10,BYTE);
lcd.print('.');
lcd.print(0x30+val%10,BYTE);
delay(100);
}
Package Included:
1pcs* Yellow Green 2004 LCD 20X4 Character LCD Module For Arduino
1pcs*the IIC/I2C Interface Board Module
Please pay attention that the 2004 20X4 LCD Display is detached with the IIC/I2C Interface Board Module when you get them
