I2C LCD Module Adapter
Price Comparison
Save R 15takealot.com
Best Deal
In stockThe Story
This I2C LCD Module Adapter enables seamless communication between HD44780-based LCDs and microcontrollers using only two I2C wires (SDA and SCL), drastically reducing pin usage. Featuring the PCF8574 I/O expander chip, onboard potentiometer for contrast adjustment, and jumper for backlight control, it is ideal for Arduino, Raspberry Pi, ESP8266/ESP32, and other platforms where pin conservation and simplified wiring are essential.
add_circle The Upside
- check Simplifies wiring and saves microcontroller pins
- check Easy to integrate with popular platforms like Arduino and Raspberry Pi
- check Adjustable contrast and backlight control
remove_circle The Downside
- close Requires soldering for permanent installation
- close Limited to 5V operation, not compatible with 3.3V logic without level shifting
- close I2C address conflicts possible if multiple devices share the same address
Specifications & features
Key features
- check_circle Reduces LCD control to just 2 I2C pins (SDA/SCL)
- check_circle Compatible with HD44780-based 16x2 and 20x4 LCDs
- check_circle Onboard potentiometer for contrast adjustment
- check_circle Jumper-enabled backlight control
- check_circle Configurable I2C address (0x20 to 0x27) via solder pads
Specifications
Backlight Control
Jumper-enabled
Chipset
PCF8574 I/O Expander
Compatible Displays
HD44780-based LCDs (e.g., 1602, 2004)
Contrast Control
Onboard potentiometer
Tags
Recommended
Explore related categories
More in Components
Resistor Kit E6 (18 Pcs)
Keep discovering
Sign in to browse more of your personalised feed (new accounts use social login).