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Blue Display IIC I2C TWI SP I Serial Interface2004 20X4 Character LCD Module

60 % of buyers enjoyed this product!
In stock
Sale Price: US $5.31
45 days Money back
45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.
On-time Delivery
On-time Delivery
Guarantees: On-time Delivery 60 days


This is IIC Serial 20X4 LCD module . With this I2C interface LCD module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic for Arduino based project.


Interface: I2C

I2C Address: 0x20

Sofware version :0022

SDA (DATA) -> analog input pin 4

SCL (CLOCK) -> analog input pin 5

Pin Definition : GND.VCC.SDA.SCL

Back lit (Blue with white char color)

Supply voltage: 5V

Pcb Size : 60mm×99mm

Contrast Adjust : Potentiometer

Backlight Adjust : Jumper

2004 LiquidCrystal_I2C

For 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.setCursor(0, 0);
lcd.setCursor(0, 1);
lcd.print(“Voltage: “);
lcd.setCursor(13, 1);
void loop()
int val;
float temp;
lcd.setCursor(9, 1);


  • 1 X Blue Display IIC/I2C/TWI/SPI Serial Interface2004 20X4 Character LCD Module

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Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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Price:  US $5.31 / piece