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I2C backpack for LCDs
I2C backpack for LCDs

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Price: $1.90

Quantity in Stock:61

Availability: Ships same day*
Product Code: AD568

This I2C backpack module can be mounted on the back side of an LCD to enable I2C control which will only require only 4 wires, 5V, GND, SDA, and SCL. The I2C address of the module can be changed, see Solder Jumper Configurable I2C Addresses link below under Resources.

Product Contents:

  • 1 piece - I2C backpack


  • I2C Backpack 8-bit I/O Expander IC:
    • PCF8574A (PCF8574AT) Default I2C Address: 0x3F
    • PCF8574 (PCF8574T) Default I2C Address: 0x27
  • Eight different I2C address options configured with solder jumpers: A0, A1, A2
      Refer to Solder Jumper Configurable I2C Addresses link under Resources

Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 1 Write a review

  0 of 0 people found the following review helpful:
5 of 5 Backpacks for Displays March 26, 2023
By: Don Hall from Windsor, MA United States  
After finding the backpacks for the multi-line-displays, I add them to ALL the older displays that were purchased before they were abundant.  They make Arduino/XOD programming of Arduinos so much cleaner and the hardware much neater.

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