20×4 Character LCD Display Module with Blue Backlight – White Text HD44780

Description

Upgrade your project’s user interface with the 20×4 Character LCD Display Module. Offering significantly more screen real estate than standard 16×2 displays, this module provides a crisp, clear 80-character readout arranged in a 20-column by 4-row grid. The bright white text contrasts perfectly against the vivid blue LED backlight, ensuring excellent readability in both daylight and low-light environments.

Built around the industry-standard HD44780 parallel controller interface, this display seamlessly integrates with almost any microcontroller, including Arduino, Raspberry Pi, ESP32, and PIC. Whether you are displaying complex sensor readings, building a custom menu system, or prototyping an industrial interface, this reliable, low-power display module delivers exceptional visual feedback for your electronics projects.

⚙️ Key Features

• Expanded Display Capacity: Capable of displaying up to 80 alphanumeric characters and custom symbols across 4 lines.
• High Contrast Visibility: Features a vivid blue LED backlight with bright white characters for maximum clarity.
• Standard HD44780 Controller: Built-in industry-standard driving circuitry ensures plug-and-play compatibility with widely available code libraries (like LiquidCrystal).
• Flexible Communication: Supports both 4-bit and 8-bit parallel data transfer modes, saving valuable GPIO pins on your development board.
• Adjustable Contrast: Easily tune the text sharpness by adding a standard 10k potentiometer to the contrast control pin.

🎯 Suitable For / Applications

• Data Logging & Monitoring: Displaying real-time temperature, humidity, or power readings from multiple sensors simultaneously.
• 3D Printers & CNC Machines: Serving as the primary information screen for machine coordinates, temperatures, and menu selection.
• Smart Home Interfaces: Creating wall-mounted control panels or status screens for IoT networks.
• Educational Projects: An essential learning tool for students mastering serial communication and embedded system design.

📐 Technical Specifications

📦 Package Includes

• 1x 20×4 Character LCD Display Module (Blue Backlight)

Important Purchase & Setup Instructions

• Account Creation: Before purchasing this product, make sure to create an account on this website.
• Payment Process: After completing your purchase, do not press the back button. The payment system will automatically redirect you to the order page. If you face any payment-related issues, inform us at [email protected].

Shipping Information

• Delivery Area: This product is exclusively available for delivery Pan India.
• International Shipping: Not deliverable outside of India.
• Shipping Time: Customers need to give at least 1 days for preparing the shipment after purchase.

Terms & Conditions (Please Read Carefully)

• Cancellations: After the item has been shipped, no cancellations are possible.
• Returns: Once the product is delivered, no returns are accepted.
• Warranty Policy: This product carries no standard warranty.
• 3-Day Replacement Policy: If the product is not working upon arrival, you must inform us within 3 days of delivery by emailing [email protected]. Make sure to record a full unboxing video with no edits and no cuts. If any editing is found, the return procedure will immediately terminate. We will refund the faulty components only after a thorough technical checkup confirms the defect.
• Post-3 Days: After the initial 3-day period, no complaints, refunds, or service requests will be entertained.