LCD2004 2004 LCD Module Blue/Green/White Screen 20X4 Character LCD Display IIC I2C Serial Interface Adapter Module for Arduino

Description

LCD2004 20×4 Character LCD Display – IIC/I2C Serial Interface Adapter for Arduino

Upgrade your Arduino projects with this versatile 20×4 LCD module featuring a crisp blue, green, or white screen. Designed for easy integration, the I2C serial interface reduces the number of required pins, freeing up your microcontroller for other tasks.

Product Overview

This 2004 LCD module is a compact, low‑power display that supports 20 columns by 4 rows of characters. With its I2C adapter board, you can connect the display to any Arduino board using only two data lines (SDA & SCL), making wiring simple and space‑saving.

Key Highlights

• Large 20×4 character matrix for clear, readable output
• Optional screen colors: blue, green, or white for optimal visibility
• Integrated I2C adapter board – 4‑pin connection (VCC, GND, SDA, SCL)
• Compatible with Arduino Uno, Mega, Nano, Leonardo, and any I2C‑capable microcontroller
• Low power consumption – ideal for battery‑powered projects
• Easy to use with Adafruit LiquidCrystal library or I2C LCD libraries
• Robust mounting holes and a stable PCB layout for reliable assembly
• Supports custom fonts and cursor control for advanced UI design

Technical Specifications

• Display size: 20 columns × 4 rows
• Resolution: 5 × 8 dot matrix per character
• Operating voltage: 5 V (±10 %)
• Current consumption: < 30 mA (idle)
• Interface: I2C (Serial) – 2‑wire bus, 400 kHz max
• Dimensions: 80 mm × 35 mm (including adapter board)
• Weight: 25 g

Why Choose This Module?

Whether you’re building a weather station, a home‑automation dashboard, or a custom control panel, this LCD2004 module delivers reliable, high‑contrast text output with minimal wiring complexity. The I2C interface frees up valuable Arduino pins, enabling more sensors and actuators in your design. Its durable construction and clear, bright screen make it suitable for both indoor and outdoor displays.

Get Started Quickly

1. Connect VCC to 5 V, GND to ground, SDA to A4, and SCL to A5 on your Arduino.
2. Install the I2C LCD library.
3. Upload a sample sketch to display text or custom data.

Enhance your next project with this reliable, feature‑rich 20×4 I2C LCD display – the perfect companion for Arduino enthusiasts and professional developers alike.