I2C Module for LCD 1602 2004
  • I2C Module for LCD 1602 2004

I2C Module for LCD 1602 2004

DWYBHV_IIC
I2C Module for LCD 1602 2004
lei5.48
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Description

Product description

I2C backpack for alphanumeric LCDs 1602 (16×2) and 2004 (20×4) with the HD44780 controller. It uses a PCF8574 expander to reduce GPIO usage to two (SDA/SCL), includes a contrast trimmer and backlight control, and mounts on the LCD’s 16-pin header.

Technical details

  • Chip: PCF8574 / PCF8574A (I2C expander)
  • Compatibility: HD44780 LCDs – 16×2 (1602) and 20×4 (2004)
  • Interface: I2C (SDA, SCL)
  • I2C address: typically 0x27 or 0x3F (set via A0/A1/A2)
  • Supply: 5 V
  • On-board: contrast potentiometer, backlight jumper, 16-pin LCD header

Package contents

  • 1 × I2C LCD backpack module
Product Details
DWYBHV_IIC
6427854007353
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