1602A I2C LCD Display Module 5V Backlight Blue Yellow Green

1602A IIC I2C LCD Display Module – 5V Backlight

The 1602A IIC I2C LCD Screen Module is a compact, easy-to-use display solution for Arduino, Raspberry Pi, and other microcontroller projects. Featuring a built-in I2C interface adapter, this module dramatically reduces wiring complexity — you only need 4 wires to get it up and running. Choose from Blue, Yellow-Green, or other backlight color options to match your project's aesthetic.

Why Choose This LCD Module?

• I2C / IIC Interface: Simplifies connections to just VCC, GND, SDA, and SCL — no need for a large number of GPIO pins.
• 5V Operating Voltage: Fully compatible with standard Arduino Uno, Mega, Nano, and most common development boards.
• 1602 Format: Displays 16 characters per row across 2 rows — ideal for showing sensor readings, status messages, menus, and more.
• Adjustable Backlight: Onboard potentiometer allows easy contrast and brightness adjustment for optimal readability.
• Multiple Backlight Colors: Available in Blue, Yellow-Green, and more — pick the one that fits your build.
• Wide Compatibility: Works seamlessly with popular libraries (LiquidCrystal_I2C) and is beginner-friendly straight out of the package.
• Compact & Lightweight: Easy to integrate into enclosures, panels, or prototype breadboards.

Technical Specifications

• Display Format: 16 x 2 Characters
• Interface: IIC / I2C (built-in PCF8574 adapter)
• Operating Voltage: 5V DC
• Default I2C Address: 0x27 (adjustable via solder pads)
• Backlight: LED (Blue / Yellow-Green options)
• Contrast: Adjustable via onboard potentiometer
• Compatible: Arduino, Raspberry Pi, STM32, ESP32, ESP8266, and more

Perfect For

• Arduino & Raspberry Pi DIY projects
• Sensor data readouts and status displays
• Home automation dashboards
• Educational electronics kits and prototyping
• Maker spaces and STEM learning environments

Related Products You May Like

• Glow in the Dark Natural Stone Round Beads | DIY Jewelry Making
• Round Aluminum Wire 1mm–3mm | DIY Jewelry Making Wire

Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What microcontrollers is the 1602A I2C LCD module compatible with?

A: The 1602A IIC I2C LCD Display Module is compatible with a wide range of microcontrollers and development boards, including Arduino Uno, Mega, Nano, Raspberry Pi, ESP32, ESP8266, and STM32. It uses the standard I2C protocol, making it easy to integrate with any platform that supports I2C communication.

Q: How do I connect the 1602A I2C LCD module to my Arduino?

A: Connection is simple — just four wires: VCC to 5V, GND to GND, SDA to the SDA pin (A4 on Uno), and SCL to the SCL pin (A5 on Uno). Install the LiquidCrystal_I2C library in the Arduino IDE, set the I2C address to 0x27 (or scan if unsure), and you're ready to display text in minutes.

Q: Can I adjust the screen contrast on the 1602A LCD module?

A: Yes! The module features an onboard potentiometer that lets you fine-tune the display contrast and backlight brightness for optimal readability in any lighting condition. Simply use a small screwdriver to turn the potentiometer until the characters appear clear and sharp.

Q: What is the default I2C address of this LCD module?

A: The default I2C address is 0x27. If you need to change it (e.g., when using multiple displays on the same bus), you can adjust it via the solder pads on the back of the PCF8574 adapter board to select a different address.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.