Addicore 20x4 Character LCD Display
Addicore 20x4 Character LCD Display - Image 2
Addicore 20x4 Character LCD Display - Image 3

Addicore 20×4 Character LCD Display

₹250.00

Overview

The Addicore 20×4 Character LCD Display Module is a versatile dot-matrix liquid crystal display capable of showing 20 characters per line across 4 separate rows (80 characters total). Featuring a high-contrast white text display over a vibrant blue LED backlight, it provides clear readability in both bright and low-light environments.

Powered by the industry-standard HD44700-equivalent display controller, this module supports both 4-bit and 8-bit parallel communication interfaces. It is fully compatible with popular microcontroller platforms including Arduino, Raspberry Pi, ESP32, and PIC microcontrollers, making it an ideal display solution for DIY electronics, embedded systems, and industrial instrumentation.

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Description

Key Specifications

Specification Parameter Detail / Value
Display Mode 20 Characters x 4 Lines (2004 LCD)
Backlight & Text Color Blue Backlight with White Characters
Controller IC HD44780 equivalent (Standard Parallel Interface)
Operating Voltage 5.0V DC (Standard 4.7V – 5.5V range)
Operating Current ~1.5mA (Backlight OFF) / ~120mA (Backlight ON)
Communication Interface 4-bit or 8-bit Parallel (I2C optional via adapter module)
Character Font 5 x 8 Dots with Cursor
Display Area Size Approx. 76.0 mm x 26.0 mm
Module Dimensions 98.0 mm x 60.0 mm x 14.0 mm
Operating Temperature -20°C to +70°C
Contrast Adjustment Manual adjustment via external potentiometer (VO pin)

Pin Header Description (16-Pin)

The module features a standard 16-pin single-row header along the top edge:

Pin No. Symbol Function Description
1 VSS Ground (0V)
2 VDD Power Supply (+5V)
3 VO / V0 LCD Contrast Adjustment (connected to variable resistor)
4 RS Register Select (LOW = Instruction, HIGH = Data)
5 R/W Read/Write Select (LOW = Write, HIGH = Read – usually GND)
6 E Enable Signal (Triggers data execution)
7 – 14 D0 – D7 Data Bus Pins (4-bit mode uses D4–D7; 8-bit uses D0–D7)
15 A LED Backlight Anode (+5V)
16 K LED Backlight Cathode (GND)

Applications and Uses

  • Embedded Systems & Microcontroller Projects: Ideal for displaying real-time data, menu navigation, system status, and user prompts in Arduino, Raspberry Pi, ESP32, and PIC projects.
  • Industrial Machinery & Control Panels: Used in control interface panels to display operating status, cycle counters, temperature logs, and system error diagnostic codes.
  • Environmental & Weather Monitoring: Displays multi-parameter readings simultaneously, such as Temperature, Humidity, Barometric Pressure, and Air Quality index across four rows.
  • Smart Home & IoT Dashboards: Serves as a compact desktop status screen showing Wi-Fi connectivity, system uptime, sensor alerts, and household telemetry.
  • Medical & Laboratory Instruments: Integrated into medical devices, diagnostic meters, and lab equipment to present clear numerical readings and diagnostic results.
  • Audio Equipment & Synthesizers: Used in digital sound processors, MIDI controllers, and audio rack units to show track information, volume levels, and menu options.

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Addicore 20x4 Character LCD Display

₹250.00