PCF8574 IO Expansion Board (I/O Expander with I2C)

As the pin resources of Arduino controller is limited, your project may be not able to use normal LCD shield 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 has I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic for Arduino based project.

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SKU PRD-00000018
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Product Details

Specification:

  • I2C Address: 0x27
  • Supply voltage: 5V
  • The backlight and contrast is adjusted by potentiometer
  • Come with 2 IIC interface, which can be connected by Dupont Line or IIC dedicated cable
  • Compatible for 1602 LCD
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