I2C Serial Interface Adapter Module
The I2C Serial Interface Adapter Module is a compact interface board designed to convert standard parallel LCD displays into I2C-compatible displays, reducing the number of microcontroller pins required for communication. Based on the PCF8574 I/O expander, this module simplifies wiring and programming while providing reliable communication with 16x2 and 20x4 LCD displays. Available at Directronics, the I2C Serial Interface Adapter Module is ideal for students, hobbyists, makers, educators, and professional engineers working on Arduino, ESP32, ESP8266, Raspberry Pi, and embedded system projects.
Features:
• Based on the PCF8574 I/O Expander IC
• Converts Parallel LCD to I2C Interface
• Compatible with 16x2 and 20x4 LCD Displays
• I2C Two-Wire Communication Interface
• Operating Voltage: 2.5V–6V
• Adjustable LCD Contrast via Onboard Potentiometer
• Onboard Backlight Control
• Reduces Microcontroller Pin Usage
• Compact and Easy-to-Install Design
• Compatible with Arduino, ESP32, ESP8266, Raspberry Pi, and Other Microcontrollers
• Supports Standard I2C LCD Libraries
• Ideal for Embedded Systems and Display Applications
Why Choose I2C Serial Interface Adapter Module?
• Simplifies LCD wiring with just two communication lines
• Saves valuable GPIO pins on microcontrollers
• Easy integration with popular development boards
• Adjustable contrast for optimal display visibility
• Reliable and efficient I2C communication
• Ideal for compact electronics and IoT projects
Applications:
• Arduino Projects
• ESP32 and ESP8266 Projects
• Raspberry Pi Applications
• Embedded System Development
• Robotics Projects
• Home Automation Systems
• Sensor Monitoring Displays
• Industrial Control Systems
• DIY Electronics Projects
Technical Specifications:
• Controller IC: PCF8574
• Communication Interface: I2C
• Operating Voltage: 2.5V–6V
• Compatible Displays: 16x2 and 20x4 Character LCDs
• Adjustable Contrast: Yes (Onboard Potentiometer)
• Backlight Control: Supported
• I2C Address: Configurable (Typically 0x27 or 0x3F)
Package Includes:
• 1 × I2C Serial Interface Adapter Module
Related Products:
16x2 Parallel LCD Display
20x4 LCD Display
Arduino Uno
Arduino Nano
ESP32 Development Board
ESP8266 NodeMCU
Breadboards and Jumper Wires
Sensor Modules
Why Buy from Directronics?
Directronics provides quality development boards, display modules, sensors, electronic components, robotics modules, and IoT solutions for students, makers, educational institutions, startups, and industry professionals. Explore our complete range of Arduino, ESP32, ESP8266, Raspberry Pi, displays, and embedded development products to bring your ideas to life.
Note: Product images are for illustration purposes only. Please review the specifications and compatibility requirements before placing your order.