Description:
new and good quality
Features :
2011 Latest Iic Lcd2004-Character
Lcd Display Module, A New High-Quality 4 Line 20 Character Lcd Module
Not Only Set The Contrast Control Knob Selector Switch Also Has A
Backlight And Iic Communication Interface. For Arduino beginners, not
for the cumbersome and complex LCD driver circuit connection and a
headache, the real significance of this LCD module will simplify the
circuit, this module directly into the Arduino Sensor Shield V5.0 sensor
expansion board IIC device interface can, GM 4P sensor connection
cable, programmed through the Arduino controller, you can easily
identify the slogan, sensor data records
Specification:
Interface: I2C
I2C Address: 0x27
Pin Definition : GND、VCC、SDA、SCL
Back lit (Blue with White char color)
Supply voltage: 5V
Size : 60mm×99mm
Contrast Adjust : Potentiometer
Backlight Adjust : Jumper
2004 Data download link
Arduino Test Code:
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2); //set the LCD address to 0x27 for a 16 chars and 2 line display
void setup()
{
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
100% Brand New
1 X Blue IIC I2C TWI Serial LCD 2004 20x4 Module Shield Display Arduino competible
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