PCF8574 LCD I2C Backpack Module
This is an upgrade part for LCD1602 / 2004 to enable I2C serial interface, reduced the pin required down to 4!
13 in stock
This module is an affordable upgrade for LCD1602 or LCD2004 to enable I2C serial interface, reduced the pin required down to just 4 pin, namely GND, VCC, SDA and SCL.
|Arduino||I2C Interface Backpack||Meaning|
|A4 or SDA||SDA||Serial Data|
|A5 or SCL||SCL||Serial Clock|
- Schematic diagram
- Tutorial with code : Arduino I2C LCD Backpack Introductory Tutorial – ElectroSchematics
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