16x2 Character LCD Display
16x2 Character LCD Display - Image 2
16x2 Character LCD Display - Image 3

16×2 Character LCD Display

₹70.00

Overview

The 16×2 Character LCD Display Module (Model RG1602A) is a widely used monochrome liquid crystal display capable of displaying 16 characters per line across 2 lines (32 characters total). Powered by an industry-standard HD44700-compatible controller, this display is ideal for showing basic text, numbers, simple custom symbols, and telemetry data in embedded systems.

The module features a dark blue background with white/monochrome LED backlighting, making it highly readable in various lighting conditions. It operates seamlessly in both 8-bit and 4-bit parallel communication modes with microcontrollers such as Arduino, STM32, PIC, ESP32, and Raspberry Pi.

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Description

Key Specifications

Specification Parameter Details / Value
Display Format 16 Characters × 2 Lines
Model / Controller RG1602A / HD44780 Equivalent
Display Type STN / Blue Backlight with White Text
Operating Voltage (VDD) 5.0V DC (Typical), 3.3V compatible with level shifter
Interface / Data Bus 4-bit or 8-bit Parallel Interface
Character Font Matrix 5 × 8 Dots per character
Backlight Voltage / Current 5.0V / 15 mA – 20 mA (LED Backlight)
Operating Temperature -20°C to +70°C
PCB Dimensions Approx. 80.0 mm × 36.0 mm × 13.5 mm
Viewing Area Approx. 64.5 mm × 16.0 mm
Contrast Adjustment Adjustable via external potentiometer on V0 pin

Pin Interface Description (16-Pin)

Pin No. Pin Name Function / Description
Pin 1 GND Ground (0V)
Pin 2 VDD Power Supply (+5V DC)
Pin 3 VO / V0 LCD Contrast Adjust (connected to potentiometer)
Pin 4 RS Register Select (Low: Command, High: Data)
Pin 5 RW Read/Write Select (Low: Write, High: Read)
Pin 6 E Enable Clock Signal (Latches data into LCD)
Pins 7 – 14 D0 – D7 8-bit Data Bus Lines (D4-D7 used for 4-bit mode)
Pin 15 BLA (A) Backlight Anode (+5V LED Power)
Pin 16 BLK (K) Backlight Cathode (Ground LED)

Applications and Uses

  • Embedded & DIY Electronics Projects: Frequently integrated into Arduino, Raspberry Pi, ESP8266/ESP32, and PIC microcontroller projects for real-time status output.
  • Industrial & Automation Equipment: Used in control panels, motor controllers, CNC machinery, and programmable logic controllers (PLCs) to show operating parameters and system state.
  • Measuring Instruments & Test Gear: Serves as the primary display in digital multimeters, frequency counters, temperature meters, weighing scales, and power analyzers.
  • Consumer Electronics & Appliances: Found in microwave ovens, washing machines, coffee machines, UPS units, and battery chargers to present status messages and user prompts.
  • Medical & Healthcare Devices: Utilized in portable pulse oximeters, blood pressure monitors, and medical diagnostic equipment for basic numeric readings.
  • Access Control & Security Systems: Integrated into RFID card readers, biometric time-attendance terminals, digital door lock interfaces, and security keypads.

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16x2 Character LCD Display

₹70.00