LCD I2C Adapter Module PCF8574

R17.50

Package Includes

  • 1x LCD I2C Adapter Module PCF8574

Availability: 71 in stock

I2C adapter module for 1602 LCD’s. Can be soldered directly to most 1602 LCD modules.

Features / Specs

  • Main IC: PCF8574 (Unknown Manufacturer)
  • Operating Voltage Range: 2.5 – 6VDC
  • Supported Serial Protocol: I2C (Default Address: 0x27)
  • Other Features: Backlight power control / Contrast adjustment potentiometer
  • Dimensions: ~(41.6mm x 19.2mm x 15.3mm)

Pin Description

  • PIN 1-> Ground
  • PIN 2-> Supply Voltage (2.5 – 6VDC)
  • PIN 3-> Contrast Adjust
  • PIN 4-> I/O 0 – LCD RS
  • PIN 5-> I/O 1 – LCD R/W
  • PIN 6-> I/O 2 – LCD Enable
  • PIN 7-> Not connected
  • PIN 8-> Not connected
  • PIN 9-> Not connected
  • PIN 10-> Not connected
  • PIN 11-> I/O 4 – LCD Data Bus DB4
  • PIN 12-> I/O 5 – LCD Data Bus DB5
  • PIN 13-> I/O 6 – LCD Data Bus DB6
  • PIN 14-> I/O 7 – LCD Data Bus DB7
  • PIN 15-> Backlight Anode (Connected to VCC via LED Jumper)
  • PIN 16-> Backlight Cathode (Controlled by NPN transistor connected to I/O 3)

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