20×4 LCD Display Module (Blue Backlight) | 2004A Character Screen
₵68.00 Original price was: ₵68.00.₵62.00Current price is: ₵62.00.
Double the space, double the data. The standard 16×2 LCD is great, but sometimes you need more room. The 20×4 LCD gives you 4 lines of text (20 characters per line), allowing you to display complex menus, sensor readings, and status messages all at once.
-
Size: 20 Characters x 4 Lines.
-
Display: White Text on Blue Background.
-
Controller: HD44780 (Standard Industry Chip).
- Best For: Weather Stations, 3D Printers, and Advanced Menus.
15 in stock
The 20×4 LCD Display Module (Blue) provides a high-contrast, easy-to-read character display with four rows of 20 characters each, making it ideal for advanced electronics projects, IoT devices, and embedded systems. With low power consumption, HD44780 driver compatibility, and bright blue backlighting, this display is perfect for Arduino, Raspberry Pi, ESP8266, and microcontroller applications.
🔹 Large & Reliable Display for Advanced Data Output ⚡
✔ Display Type: 20×4 Alphanumeric LCD (20 characters x 4 rows).
✔ Backlight Color: Blue with white characters for high visibility.
✔ Interface: Parallel (4-bit & 8-bit mode, HD44780 compatible).
✔ Operating Voltage: 5V DC (low power consumption).
✔ Viewing Angle: Wide-angle, high-contrast display.
✔ Temperature Range: -20°C to +70°C (suitable for various environments).
✔ Compact Size: 98mm x 60mm (fits in larger electronics projects).
🔹 Applications – Where to Use the 20×4 LCD Display Module 🛠️
✔ Arduino & Raspberry Pi Projects – Display sensor readings, system logs, and messages.
✔ IoT & Smart Devices – Show real-time temperature, humidity, and other data.
✔ Home Automation – Used for smart appliance displays, clocks, and control panels.
✔ Industrial & Embedded Systems – Ideal for monitoring and displaying operational data.
✔ DIY Electronics & STEM Education – Great for students learning microcontroller programming.
🔹 How to Use & External Resources 📚
The 20×4 LCD Module uses the HD44780 driver, supported by Arduino’s LiquidCrystal library. It can be connected using parallel (4-bit or 8-bit) mode or via I2C adapter for simplified wiring.
📖 Helpful Resources for 20×4 LCD Display Module:
✔ Arduino 20×4 LCD Display Guide
✔ Raspberry Pi LCD Display Tutorial
✔ HD44780 Datasheet & Pinout
✔ YouTube Tutorials – 20×4 LCD Setup & Programming
🔹 Best Price & Availability in Ghana 🇬🇭
Looking for a 20×4 LCD Display Module (Blue) in Ghana? Whether you’re working on IoT projects, embedded systems, or industrial automation, this module offers excellent clarity, large display capability, and easy integration. Order today for fast delivery across Ghana!
Related products
16×2 LCD Display with I2C Interface – Blue Backlight
Display your project data with only four connections. This 16×2 LCD comes with the I2C backpack already soldered, making it ready to use without additional soldering.
Display: 16 characters × 2 lines
Backlight: Blue with white characters
Interface: I2C (VCC, GND, SDA, SCL)
Operating Voltage: 5V DC
Contrast: Adjustable onboard potentiometer
Beginner Friendly: I2C adapter already soldered
Best For: Arduino, ESP32, Raspberry Pi, IoT and STEM projects
A 16×2 character LCD provides two rows of 16 characters, while using an I2C interface greatly reduces the number of microcontroller connections required compared with the standard parallel interface.
BMP180 Digital Barometric Pressure & Altitude Sensor Module
Predict the weather or measure your altitude. The BMP180 is a high-precision sensor that measures air pressure and temperature. Because pressure changes with height, it also works as an incredibly accurate altimeter (±1 meter accuracy).
-
Measures: Pressure (Pa) & Temperature (C)
-
Interface: I2C (SDA/SCL)
-
Voltage: 3.3V to 5V Compatible
-
Best For: Weather stations, Drones, and GPS altitude correction.
DHT11 Temperature and Humidity Sensor Module | Digital Weather Station
The #1 sensor for weather projects. The DHT11 is the most affordable way to measure ambient temperature and humidity. It provides calibrated digital signal output, making it perfect for automatic fan controllers and weather stations.
-
Measures: Temperature (0-50°C) & Humidity (20-90%)
-
Interface: Single Wire Digital (Easy Arduino Connection)
-
Includes: 3-Pin Breakout Board + Jumper Wires (Check your stock to confirm wires!)
-
Ideal For: Smart homes, greenhouses, and environment monitoring.
DS3231 RTC Real-Time Clock Module
The DS3231 is a highly accurate I2C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO).
-
Chip: Maxim DS3231 (High Precision)
-
Memory: Built-in AT24C32 32K I2C EEPROM
-
Voltage: 3.3V – 5.5V DC
-
Interface: I2C (SCL, SDA)
-
Battery Backup: Holds time when power is off (Coin cell slot included)
-
Accuracy: Much higher than the standard DS1307
IR Infrared Obstacle Avoidance Sensor Module | FC-51 for Arduino
Teach your robot to see. This sensor emits infrared light and detects reflections to see if an object is in front of it. It is the essential component for building "Obstacle Avoiding Robots" and simple security alarms.
-
Detection Range: 2cm - 30cm (Adjustable).
-
Output: Digital Signal (LOW when obstacle detected).
-
Compatibility: Works directly with Arduino, ESP32, and Raspberry Pi.
-
Best For: Robot Cars, Smart Trash Cans, and Proximity Alarms.
Soil Moisture Sensor Module (YL-69) | Automatic Plant Watering System
Never forget to water your plants again. The Soil Moisture sensor measures the water content in soil. When the soil gets dry, the sensor output changes, allowing your Arduino to turn on a water pump automatically.
-
Outputs: Analog (Exact moisture level) & Digital (Threshold switch)
-
Adjustable: Set your "Dry" trigger point with the blue potentiometer.
-
Ideal For: Smart irrigation systems, greenhouse monitoring, and science projects.
Sound Sensor Module (Microphone) | Clap Switch & Alarm Detector
Turn on lights with a clap! This microphone module detects sound waves and converts them into a digital signal for your Arduino. It is the core component for "Clap Switch" projects and noise-activated alarms.
-
Sensitivity: Adjustable via Blue Potentiometer.
-
Outputs: Digital (Gate) and Analog (Waveform).
-
Microphone: High-Sensitivity Condenser Mic.
-
Best For: Clap Switches, Baby Monitors, and Noise Alarms.
SW-420 Vibration Sensor Module | Adjustable Impact & Shake Switch
Detect motion, impacts, and theft. The SW-420 is a "Normally Closed" vibration sensor that triggers whenever it feels a shake. It features an onboard potentiometer to adjust sensitivity, making it perfect for sensitive projects like door alarms or earthquake detectors.
- Sensor Type: SW-420 (Normally Closed).
- Output: Digital (High/Low).
- Sensitivity: Adjustable via Blue Potentiometer.
- Best For: Anti-Theft Alarms, Smart Cars, and Impact Detection.

Reviews
There are no reviews yet.