LCD 16X2 (Pack of 100 Pcs)

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10 in stock


The LCD 16×2 is a popular alphanumeric display module used in electronics projects. It features two rows with 16 characters each, making it ideal for displaying text and simple graphics. This display module is controlled by the HD44780 driver and is compatible with various microcontrollers, including Arduino and Raspberry Pi.

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10,620.00 11,210.00 (Inc. GST)

10 in stock

LCD 16×2

Introduction

The LCD 16×2 (Liquid Crystal Display) is a popular display module used in a wide range of electronic projects. It features a 16-column by 2-row matrix, allowing it to display up to 32 characters at a time. The LCD 16×2 is favored for its simplicity, ease of use, and versatility in presenting text-based information.

Features and Specifications

  • Display Type: LCD (Liquid Crystal Display)
  • Dimensions: 16 characters x 2 lines
  • Character Size: Typically 5×8 dots per character
  • Backlight: Often comes with optional backlight for improved visibility in low-light conditions
  • Interface: Parallel (typically 8-bit or 4-bit mode)
  • Operating Voltage: Usually 5V DC
  • Power Consumption: Low power consumption, generally around 1.2W with backlight
  • Contrast Adjustment: Built-in potentiometer for adjusting display contrast
  • Controller: Commonly uses the HD44780 controller or compatible

Applications

The LCD 16×2 is used in various applications where text display is needed:

  1. Electronic Projects: Widely used in hobbyist projects to display information such as sensor readings, system status, and user interfaces.
  2. Embedded Systems: Ideal for embedded systems that require a simple, clear method of displaying data.
  3. DIY Devices: Commonly found in DIY devices and gadgets for displaying operational status, messages, and menu options.
  4. Educational Projects: Used in educational projects and experiments to teach concepts related to displays and interfacing.

Working Principle

The LCD 16×2 operates using liquid crystal technology, which involves the following components and principles:

  • Liquid Crystal Cells: The display consists of liquid crystal cells sandwiched between polarizing filters. Applying voltage to these cells causes them to align in a way that controls light passage, creating visible characters.
  • Backlight: In models with backlight, an LED or fluorescent light is used to illuminate the display, making it easier to read in various lighting conditions.
  • Controller: The display uses a controller (e.g., HD44780) to manage the character display and interface with external devices. The controller interprets commands and data sent from the microcontroller or other input devices.

Integration and Usage

Integrating the LCD 16×2 into a project involves connecting it to a microcontroller or other control system and configuring it for operation. Key steps include:

  1. Wiring:
    • Power: Connect the VCC pin to a 5V power supply and the GND pin to ground.
    • Contrast: Connect the V0 pin to a variable resistor (potentiometer) to adjust the display contrast.
    • Data and Control Pins: Connect the data (D0-D7) and control (RS, RW, E) pins to the microcontroller or controller circuit. For 4-bit mode, only four data pins (D4-D7) are used.
  2. Initialization:
    • Power up the LCD and initialize it according to the controller’s datasheet. This typically involves sending commands to set the display mode, clear the screen, and set the cursor position.
  3. Programming:
    • Use a microcontroller or development board (like Arduino) to send data and commands to the LCD. Libraries are available for various platforms to simplify this process, such as the LiquidCrystal library for Arduino.
  4. Display Text:
    • Write and display text on the LCD using appropriate commands and functions provided by the library or controller.

Advantages

The LCD 16×2 offers several advantages for electronic and embedded projects:

  • Ease of Use: Simple interface and well-documented libraries make it easy to integrate into projects.
  • Low Power Consumption: Efficient operation with minimal power usage.
  • Versatility: Suitable for a wide range of applications where textual information needs to be displayed.
  • Cost-Effective: Affordable and widely available, making it accessible for various projects.

Conclusion

The LCD 16×2 is a versatile and practical display module widely used in electronic and embedded projects. Its clear, character-based display and ease of integration make it a popular choice for presenting textual information in a wide range of applications. With its low power consumption and simple interface, the LCD 16×2 provides a reliable solution for displaying data in various electronic devices and DIY projects.

LCD 16X2

Weight0.00 kg
Dimensions0.00 × 0.00 × 0.00 cm

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