LCD2004+I2C LCD2004 20×4 2004A Blue Green Screen Character LCD IIC Serial Interface Adapter Module LCD2004

LCD2004+I2C 20×4 2004A Blue/Green Screen Character LCD IIC Serial Interface Adapter Module

Upgrade your microcontroller projects with the LCD2004+I2C 20×4 display module, a versatile and user‑friendly solution for clear, high‑contrast text output. Designed for seamless integration with Arduino, Raspberry Pi, ESP32, STM32, and other I2C‑compatible controllers, this module turns your project into a professional display interface in minutes.

Key Features

• 20 columns × 4 rows character LCD with 2004A controller
• Bright blue or green backlight options for optimal visibility
• I2C serial interface (SCL/SDA) – only two data pins + GND + VCC
• Low‑power consumption: 5 V supply, 200 mA max
• Compact 4.8 × 4.5 cm footprint, ideal for breadboards and PCB mounting
• Compatible with standard HD44780 command set
• Pre‑wired connectors for quick prototyping
• Durable, heat‑resistant glass screen for long‑term use

Why Choose This Module?

With the LCD2004+I2C, you save valuable I/O pins on your microcontroller, reduce wiring complexity, and simplify firmware development. The I2C interface allows multiple displays to share the same bus, enabling multi‑screen projects without additional pins. Whether you’re building a home automation dashboard, a weather station, or an industrial control panel, this module delivers crisp text and reliable performance.

Specifications

• Display size: 20 × 4 characters
• Backlight: Blue or Green (user selectable)
• Operating voltage: 3.3 V – 5.5 V
• Operating temperature: 0 °C – 50 °C
• Dimensions: 4.8 cm × 4.5 cm (excluding connectors)
• Weight: ~30 g
• Connector: 4‑pin (VCC, GND, SDA, SCL)

Applications

Perfect for:

• Arduino & ESP32 projects – status displays, menus, and debugging
• Raspberry Pi – text‑based interfaces, sensor readouts, and system monitoring
• Industrial control panels – process data, alarms, and user prompts
• Home automation – temperature, humidity, and device status dashboards
• Educational kits – teaching I2C communication and LCD programming

Elevate your next project with the LCD2004+I2C display module – the smart choice for clear, reliable, and low‑pin‑count text output.

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Price: $ 3.52

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