As the pin resources of Arduino controller is limited, your project may be not able to use normal LCD Display after connected with a certain quantity of sensors or SD card. However, with this I2C interface module, you will be able to realize data display via only 2 wires. If you already have I2C devices in your project, this LCD module actually cost no more resources at all.
- HD44780 LCD interface compatible
- Suitable for most 1602 1604 2004 LCD module
- Many of Arduino Raspberry library support
- I2C standard, work only 4 wires. VCC GND Data Clock
- 3 Pair solder pad for address select
- A short pin for LCD module backlight ON and OFF
- Adjustable LCD contrast