Description

RG2004 20×4 LCD Display with I2C Module – Product Description

The RG2004 20×4 LCD Display with I2C Module is a high-quality character display designed for electronics and embedded system projects. It can display 20 characters per line across 4 lines, making it ideal for showing messages, sensor data, menus, and system status.

The built-in I2C interface allows communication using only two wires (SDA and SCL), reducing wiring complexity and saving microcontroller pins. This display is fully compatible with Arduino, ESP32, ESP8266, Raspberry Pi, and other development boards. It is widely used in IoT projects, control panels, automation systems, and educational electronics projects.

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Features

• 20×4 character LCD display (20 columns × 4 rows)

• Integrated I2C module for easy connection

• Requires only 2 communication wires

• Clear and readable character output

• Low power consumption

• LED backlight for better visibility

• Compact and durable design

• Easy to program with standard LCD libraries

• Compatible with Arduino, ESP32, ESP8266, Raspberry Pi

• Ideal for DIY, IoT, and automation projects

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Specifications

• Model: RG2004

• Display Type: Character LCD

• Display Size: 20×4

• Interface: I2C

• Operating Voltage: 5V DC

• I2C Address: 0x27 / 0x3F (varies by module)

• Controller: HD44780 compatible

• Backlight: LED backlight

• Character Color: White

• PCB Color: Blue / Green (model dependent)

• Application: Electronics projects, IoT, control systems

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Package Includes

• 1 × RG2004 20×4 LCD Display

• 1 × I2C Interface Module (Attached)