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Addicore  |  SKU: AD157

2004 (20x4) Character LCD with I2C backpack

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AD157 Options


Ships Same Day if Ordered Before Noon Pacific Time

Blue backlight with white text character LCD. The LCD display has the I2C backpack module mounted on the back side which requires only two connected wires for data and two wires to supply ground and +5V to power the display. The I2C backpack also allows you to change the I2C address of the module, see Solder Jumper Configurable I2C Addresses link below under Resources.

We also offer a version of this display with a single I2C address.

Product Contents:

  • 1 piece - 2004 (20x4) Character LCD with I2C backpack


  • White characters on blue background
  • Characters: 20 columns, 4 rows
  • Supply Voltage: 5V
  • LCD Driver: HD44780
  • 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
  • Dimensions: 98.2mm (3.87") length x 60mm (2.36") width x 20.2mm (0.8") height
      For detailed dimensions see Mechanical Drawings link under Resources
  • Weight: 73.68g (2.6oz)