---
product_id: 43935314
title: "SunFounder LCD2004 Module with 20x4 White Characters on Blue Background, Compatible with Arduino"
brand: "sunfounder"
price: "€ 25.14"
currency: EUR
in_stock: true
category: "Sun Founder"
url: https://www.desertcart.at/products/43935314-sunfounder-lcd2004-module-with-20x4-white-characters-on-blue-background
store_origin: AT
region: Austria
---

# 5V working voltage 20x4 character display Adjustable contrast SunFounder LCD2004 Module with 20x4 White Characters on Blue Background, Compatible with Arduino

**Brand:** sunfounder
**Price:** € 25.14
**Availability:** ✅ In Stock

## Summary

> 💡 Illuminate your innovation with SunFounder’s sharpest display yet!

## Quick Answers

- **What is this?** SunFounder LCD2004 Module with 20x4 White Characters on Blue Background, Compatible with Arduino by sunfounder
- **How much does it cost?** € 25.14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/43935314-sunfounder-lcd2004-module-with-20x4-white-characters-on-blue-background)

## Best For

- sunfounder enthusiasts

## Why This Product

- Trusted sunfounder brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Crystal Clear 20x4 Display:** Showcase 80 characters with sharp white-on-blue clarity for standout projects.
- • **Compact Yet Spacious Design:** A sleek 97x59mm module with a generous 71x21mm viewing area—big impact in a small footprint.
- • **Customizable Contrast Control:** Fine-tune your screen’s visibility with an easy 50K potentiometer for perfect readability anytime.
- • **Plug & Play Arduino Compatibility:** Seamlessly integrates with Arduino IDE using the trusted Liquid Crystal library—no hassle coding.
- • **Bright Backlight for Any Environment:** Illuminate your data with a vivid backlight that ensures your display pops in all lighting conditions.

## Overview

The SunFounder LCD2004 Module is a high-quality 20x4 character LCD display designed for Arduino and other microcontrollers. Operating at 5V with adjustable contrast and a bright white-on-blue backlight, it offers clear, customizable visuals in a compact form factor. Perfect for makers and professionals seeking reliable, plug-and-play display solutions with excellent build quality and seamless Arduino IDE integration.

## Description

Introduction LCD2004 display is a dot matrix module designed to display 20 characters including letter, number, and symbol, supporting 4-bit and 8-bit data transmission mode. It’s quite convenient for beginners to call the built-in library Liquid Crystal compatible with Arduino IDE, no need to edit yourself. Working voltage: 5V; Contrast adjustable with a 50K potentiometer onside. To use the 3.3V backlight, just connect pin A to 3.3V, pin K to GND. Note: Solder the pin headers on it before using. Pins’ Function VSS: Connected to ground VDD: Connected to a +5V power supply VO: To adjust the contrast RS: A register select pin that controls where in the LCD’s memory you are writing data to. You can select either the data register, which holds what goes on the screen, or an instruction register, which is where the LCD’s controller looks for instructions on what to do next. R/W: A Read/Write pin to select between reading and writing mode E: An enabling pin that, when low-level energy is supplied, causes the LDC module to execute relevant instructions. D0-D7: To read and write data A and K: Pins that control the LCD backlight For more details, please click: http://wiki.sunfounder.cc/index.php?title=LCD2004_Module Package Included 1 x LCD2004(The Pin Not Included)

## Features

- Display 20 characters including letter, number and symbol in 4 lines on a large screen
- Working voltage: 5V; Contrast adjustable with a 50K potentiometer onside
- Bright backlight, displaying characters clearly
- Module dimensions: 97 x 59 x 12 mm; Viewing area size: 71 x 21 mm
- Compatible with Arduino and other micro-controllers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B071W8SW9R |
| Best Sellers Rank | #227 in Single Board Computers (Computers & Accessories) |
| Brand | SunFounder |
| Built-In Media | LCD2004 Module |
| Compatible Devices | Arduino |
| Connectivity Technology | Bluetooth |
| Customer Reviews | 4.5 4.5 out of 5 stars (75) |
| Item Weight | 1.44 ounces |
| Manufacturer | SunFounder |
| Mfr Part Number | 2004LCD |
| Model Name | LCD2004 |
| Model Number | 2004LCD |
| Number of Items | 1 |
| Number of Packs | 1 |
| Operating System | Arduino IDE |
| Processor Brand | sunfounder |
| Processor Count | 1 |
| UPC | 701715370166 |
| Warranty Description | 1 Year Guarantee |

## Product Details

- **Brand:** SunFounder
- **Connectivity Technology:** Bluetooth
- **Included Components:** LCD2004 Module
- **Model Name:** LCD2004
- **Operating System:** Arduino IDE

## Images

![SunFounder LCD2004 Module with 20x4 White Characters on Blue Background, Compatible with Arduino - Image 1](https://m.media-amazon.com/images/I/61shZs+ZspL.jpg)

## Available Options

This product comes in different **Color** options.

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-10-05*