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  2. 🧠 Controllers & Systems
  3. 🖥️ Displays & Display Modules
  4. 16x2 Character LCD Display (Green Backlight)
  5. 🖥️ Displays & Display Modules
Pricelist: Retail Price (B2C) Pricelist
Pricelist: Retail Price (B2C) Pricelist

16x2 Character LCD Display (Green Backlight)

SpecificationDetails
Display Format16 Characters x 2 Lines
Operating Voltage4.7V to 5.3V (5V Nominal)
Current (Backlight On)~120mA
Character Font5 x 8 Dots
Controller ICHD44780 (or compatible)
Interface4-bit or 8-bit Parallel
Display ColorWhite Text on green Background
                                 Price

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₹ 101.69 ₹ 101.69
(Tax included)

Barcode: 456481

Product Description

The 1602 LCD Module is a robust and reliable display solution. It uses the industry-standard HD44780 controller, which means it is compatible with almost every microcontroller library available today. The module includes a built-in LED backlight and a command set that allows you to clear the screen, move the cursor, and even create custom characters (like battery icons or degree symbols). It features a standard 16-pin header for easy connection via jumper wires or for soldering directly to a PCB.

Key Features

  • High Readability: White characters on a blue background provide excellent clarity, especially in indoor environments.

  • Low Power Mode: The backlight can be turned off via the "K" and "A" pins to reduce current consumption to just a few milliamps.

  • Standard Interface: Works in both 8-bit mode (for speed) or 4-bit mode (to save 4 GPIO pins on your microcontroller).

  • Adjustable Contrast: Using an external 10k potentiometer, you can fine-tune the pixel darkness to suit your viewing angle.

  • Extensive Library Support: Fully supported by the standard LiquidCrystal library in the Arduino IDE.

Technical Details

  • Dimensions: 80mm x 36mm x 12.5mm.

  • Viewing Area: 64.5mm x 16mm.

  • Operating Temp: -20°C to +70°C.

Prototyping and Engineering Tips from Robogears

  • The Potentiometer is Essential: If you power the LCD and see only "solid blocks" or a blank screen, don't panic. You must connect a 10kΩ potentiometer to the V0 (Pin 3). Rotating this dial adjusts the contrast; without it, the text is often invisible.

  • 5V vs 3.3V: While the logic can sometimes work at 3.3V, the display is designed for 5V. If powered by 3.3V (like from an ESP32 or Pi), the text will likely be very faint or not appear at all. Use a level shifter or a dedicated 5V rail.

  • RW Pin to Ground: In 99% of hobbyist projects, you only need to write to the LCD, not read from it. Connect the RW (Pin 5) directly to Ground to save a GPIO pin on your Arduino.

  • I2C Upgrade: If you find that 6 wires are too many for your project, solder an I2C Adapter Module to the back of this LCD. It reduces the wiring to just 2 data pins (SDA/SCL).

Package Includes

  • 1 x 16x2 Character LCD Display (Blue Backlight)

Disclaimer

Avoid applying pressure to the center of the glass screen, as this can cause permanent "bruising" or bleeding of the liquid crystal. Ensure your soldering on the 16-pin header is clean to avoid intermittent display glitches.

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