LCD2004 Display Module – 20x4 Characters with I2C Interface & Blue Backlight

🔷 LCD2004 20x4 Display with I2C & Blue Backlight 🔷

The LCD2004 is a 20×4 character text display with an integrated I2C interface, making it easy to connect to microcontrollers like Arduino and Raspberry Pi using only two wires (SDA, SCL). Featuring a blue backlight with white characters, it is perfect for IoT projects, control systems, and displaying sensor data, messages, or parameters.

✅ Specifications:

• Type: 20×4 Character LCD Display.
• Characters: 20 columns × 4 rows (80 characters).
• Interface: I2C (PCF8574).
• Wires Required: 2 (SDA, SCL).
• Operating Voltage: 5V DC.
• Backlight: Blue with white text.
• Arduino Libraries: Compatible (LiquidCrystal_I2C).
• Module Size: ~98 × 60 × 12 mm.
• Approximate Weight: 50 g.

🔹 Key Features:

✔ Displays up to 80 characters (20×4).

✔ I2C interface reduces wiring to just two pins.

✔ Blue backlight with clear white characters.

✔ Works with Arduino, ESP32, Raspberry Pi.

✔ Easy to program with available libraries.

✔ Perfect for displaying textual data in projects.

📌 Common Applications:

• Sensor data display (temperature, humidity, pressure).
• Smart control systems.
• IoT projects.
• User interface panels for electronic devices.
• Educational and prototyping projects.