LCD Display Module 16x2 Digits with IIC/I2C/TWI/SP​​I Interface - Green
LCD Display Module 16x2 Digits with IIC/I2C/TWI/SP​​I Interface - Green
LCD Display Module 16x2 Digits with IIC/I2C/TWI/SP​​I Interface - Green
LCD Display Module 16x2 Digits with IIC/I2C/TWI/SP​​I Interface - Green

LCD Display Module 16x2 Digits with IIC/I2C/TWI/SP​​I Interface - Green

Displays
LCD050
Part.No: 1602
€5.95
In Stock
Immediate Dispatch
LCD1602 16x2 character LCD display module with green backlight and I2C/SPI interface. Built-in HD44780-equivalent controller, 5V operation, 80×36mm module. Ideal for Arduino projects and DIY electronics.

 

The LCD1602 is a 16×2 character LCD display module featuring a green backlight and a built-in IIC/I2C/TWI/SPI interface. Powered at 5V DC and driven by an industry-standard HD44780-equivalent controller, this module lets makers, students, and engineers add a clear, readable text display to any microcontroller project with minimal wiring. The I2C interface in particular reduces the connection to just 4 wires, freeing up GPIO pins for the rest of your circuit.

Key Features

  • Green Backlight: High-contrast green background with dark characters → easy to read in varied lighting conditions
  • 16×2 Character Display: Two rows of 16 characters each → sufficient for sensor readings, menus, status messages
  • HD44780-Equivalent Controller: Industry-standard command set → compatible with virtually every LCD library available for Arduino and other platforms
  • I2C / SPI / TWI Interface: Multiple interface options → connects to microcontrollers using as few as 4 wires over I2C, simplifying wiring significantly
  • Wide Viewing Angle & High Contrast: Optimised optical stack → legible from multiple angles without colour shift
  • 5V DC Operation: Standard logic level → plug-and-play with Arduino UNO, Nano, Mega and similar 5V boards
  • Compact Form Factor: 80×36×12mm module → fits easily into enclosures and project boxes

Pinout & Wiring

When used over I2C (most common configuration with an onboard I2C backpack), only four connections are required:

PINSymbolDescription
1GNDGround – connect to Arduino GND
2VCCPower supply – connect to Arduino 5V
3SDAI2C Data – connect to Arduino SDA (A4 on UNO/Nano)
4SCLI2C Clock – connect to Arduino SCL (A5 on UNO/Nano)

Wiring note: Use the LiquidCrystal_I2C library. The default I2C address is typically 0x27 or 0x3F — run an I2C scanner sketch to confirm the address of your specific module before uploading your main code.

Compatibility

  • Arduino UNO / Nano / Mega: Full compatibility — 5V logic matches directly; use A4 (SDA) and A5 (SCL) on UNO/Nano
  • Arduino Mega 2560: Use pins 20 (SDA) and 21 (SCL) for I2C
  • Other 5V microcontrollers: Any board with a 5V I2C bus and HD44780 library support is compatible

Typical Applications

  • Arduino sensor dashboards: Display temperature, humidity, or distance readings in real time — the 16×2 format is the classic choice for beginner and intermediate projects
  • DIY weather stations: Show current conditions and forecasts fetched from an online API or local sensors
  • Industrial & lab test equipment: Used extensively in benchtop instruments, routers, and storage devices for status readouts
  • Menu navigation systems: Combine with push buttons to build multi-level configuration menus in embedded projects
  • Copiers, fax machines & laser printers: The HD44780 standard was born in this sector — a proven, reliable choice for OEM integration

Technical Specifications

InterfaceIIC / I2C / TWI / SPI
ControllerHD44780-equivalent
Supply Voltage5V DC
Display TypeCharacter LCD (LCM)
Resolution16 characters × 2 lines
Backlight ColourGreen
Module Dimensions80mm × 36mm × 12mm
Viewing Area64.5mm × 16mm
MPNLCD1602

FAQ

Q: Which I2C address does this module use?
A: The I2C address is hardware-set on the backpack — most commonly 0x27 or 0x3F. Upload an I2C scanner sketch to your Arduino to detect the exact address before initialising the display in your code.

Q: Can I use this with a 3.3V board like ESP32 or Raspberry Pi?
A: The module is rated for 5V operation. While the I2C lines may work at 3.3V on some units, a level shifter is recommended to protect 3.3V logic boards and ensure reliable communication.

Package Contents: 1× LCD1602 16×2 Green Backlight Display Module with I2C/SPI Interface

⚠ Note: This module operates at 5V DC. Do not connect directly to 3.3V-only systems without a logic level converter. Handle the LCD glass area with care to avoid damage to the display panel.
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