1602 I2C Green LCD Display

The 1602 I2C Green LCD Display is a 16×2 character display module integrated with an I2C interface adapter, allowing easy communication using only two data lines. It displays 16 characters per line across two lines and features a green backlight with clear black characters for excellent readability. This module is widely used in microcontroller projects to display sensor data, system status, menus, and debug information while minimizing GPIO usage.

Technical Specifications:

• Display type: Character LCD
• Display format: 16 characters × 2 lines
• Interface: I2C (PCF8574 backpack)
• Operating voltage: 5 V DC
• I2C address: Commonly 0x27 or 0x3F (configurable)
• Backlight color: Green
• Character color: Black
• Controller: HD44780 compatible
• Contrast control: On-board potentiometer
• PCB material: FR-4
• Mounting: 4 corner mounting holes

Features:

• Uses only 2 wires (SDA, SCL) for communication
• Reduces GPIO pin usage significantly
• Clear, high-contrast green backlight
• Adjustable contrast via trimmer
• Plug-and-play with Arduino, ESP8266, ESP32, Raspberry Pi
• Stable and low power consumption
• Compact and robust design
• Widely supported libraries available

Applications:

• Arduino and ESP32 projects
• IoT device displays
• Sensor data monitoring
• DIY electronics projects
• Industrial control panels
• Educational and training kits
• Embedded system interfaces