Description
I2C Serial Interface LCD Adapter Module – MOD-QC0142
The I2C Serial Interface LCD Adapter Module – MOD-QC0142 is designed to simplify the connection of character LCD displays such as 16×2 and 20×4 LCD modules with microcontrollers. Normally, LCD displays require multiple digital pins to operate, but with this I2C adapter module, the number of required pins is reduced to only two communication lines (SDA and SCL).
This module uses the I2C communication protocol and is based on the commonly used I/O expander chip, allowing microcontrollers like Arduino, ESP32, ESP8266, Raspberry Pi, and other development boards to control LCD displays efficiently.
The module includes an onboard potentiometer that allows easy adjustment of the LCD contrast, ensuring clear and readable text display. It is widely used in embedded systems, IoT devices, robotics projects, and DIY electronics applications where displaying data on an LCD is required.
Key Features:
- Supports 16×2 and 20×4 character LCD displays
- Uses I2C communication for simple interfacing
- Reduces LCD connections to only 4 pins (VCC, GND, SDA, SCL)
- Built-in potentiometer for contrast adjustment
- Compact design and easy installation
- Compatible with Arduino, ESP32, ESP8266, and Raspberry Pi
Applications:
- Arduino and microcontroller display projects
- IoT device data display
- Robotics and automation systems
- Embedded system interfaces
- DIY electronics projects
- Educational and learning experiments
The I2C Serial Interface LCD Adapter Module – MOD-QC0142 is an essential accessory for simplifying LCD interfacing, making it perfect for beginners and professionals working on microcontroller-based display projects.











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