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20x4 2004 LCD Display Module with IIC/I2C/TWI Serial Interface Adapter for Arduino for Mega 2560 (Yellow Green/2004)

20x4 2004 LCD Display Module with IIC/I2C/TWI Serial Interface Adapter for Arduino for Mega 2560 (Yellow Green/2004)

Q: Why doesn't the title match the description? 20 x 4 vs 16 x 2.

It is a 4 line by 20 character display

Q: Can the I2C address be changed?

Yes. There are three solder pad jumper areas on the I2C board that allow the changing of the address.

Q: Is there some documentation to ensure I get this connected correctly?

I'm using this with an Arduino UNO and https://bitbucket.org/fmalpartida/new-liquidcrystal/downloads/ and SDA -> Pin A4, SCL -> Pin A5, GND -> GND, VCC -> 5V. The following sketch should be enough to get you started: #include #include LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); // Set the LCD I2C address void setup() { // initialize the lcd for 20 chars 4 lines, turn on backlight lcd.begin(20,4); lcd.backlight(); // finish with backlight on //-------- Write characters on the display ------------------ // NOTE: Cursor Position: (CHAR, LINE) start at 0 lcd.setCursor(0,0); lcd.print("Hello World!"); } Once uploaded, adjust contrast using the pot. You won't be able to see anything at either extreme (high or low) of the range. See the examples from the "NewLiquidCrystal_lib" for more. Also, don't forget to remove any other liquid crystal libraries from your libraries directory as there are conflicts.

Q: What library to use with this lcd and i2c interface?

here's the libraries I use #include // Required Library #include // Required Library #include // Required Library LiquidCrystal_I2C lcd(0x27,2,1,0,4,5,6,7,3,POSITIVE); //Address for LCD

4.4/5

Product ID: 388031557

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📏20x4 character display

🔌IIC/I2C/TWI interface

⚙️Easy setup with 4 ports

Frequently Bought Together

WayinTop 20x4 2004 LCD Display Module with IIC/I2C/TWI Serial Interface Adapter (Yellow Green/2004)

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Description

💡 Illuminate Your Ideas with WayinTop!

MINIMALIST WIRING - Only 4 connections required for maximum efficiency.
ADJUSTABLE CONTRAST - Customize your display with a simple potentiometer.
TRANSFORM YOUR PROJECTS - Elevate your Arduino creations with vibrant displays!
VERSATILE COMPATIBILITY - Works seamlessly with Arduino and Mega2560 boards.
PLUG AND PLAY CONVENIENCE - Includes IIC adapter—no extra purchases needed!

The WayinTop 20x4 LCD Display Module is a versatile and user-friendly display solution for Arduino enthusiasts. Featuring a 20x4 character display, IIC/I2C/TWI interface, and minimal wiring requirements, this module is perfect for enhancing your projects with clear and vivid information. Weighing only 68 grams and compatible with various microcontrollers, it’s an essential tool for any tech-savvy creator.

Specifications

Brand	WayinTop
Package Dimensions	15.87 x 13.33 x 1.78 cm; 68 Grams
Item model number	WYTP26-2004YG
Manufacturer	WayinTop
Color	Yellow Green
Item Weight	68 g

Have a Question? See What Others Asked

Why doesn't the title match the description? 20 x 4 vs 16 x 2.

Can the I2C address be changed?

Is there some documentation to ensure I get this connected correctly?

What library to use with this lcd and i2c interface?

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