RM3.40
I2C Interface Adapter Board for 1602 or 2004 LCD
Price RM3.40
Product SKU 40-000196
Size (L x W x H) 4.16 cm x 1.92 cm x 1 cm
Reward Points 5
Points Needed 216
Availability 50
Quantity
Description
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  • Compatible 16x2 or 20x4 Character Display Module
  • Serial I2C control of LCD display using PCF8574
  • Backlight can be enabled or disabled via a jumper on the board
  • Contrast control via a potentiometer

This is a RoHS compliant I2C Serial LCD Daughter board that can be connected to a standard HD44780 compatible 16x2 or 20x4 Character Display Module that supports 4-bit mode. All Character Modules sold on our site support 4-bit mode, and nearly all commercially available 16x2 and 20x4 line character modules support it too.

This board has a PCF8574 I2C chip that converts I2C serial data to parallel data for the LCD display. There are many examples on the internet for using this board with Arduino. Do a search for "Arduino LCD PCF8574". The I2C address is 0x3F by default, but this can be changed via 3 solder jumpers provided on the board. This allows up to 3 LCD displays to be controlled via a single I2C bus (giving each one it's own address).

  • 5V power supply
  • Serial I2C control of LCD display using PCF8574
  • Backlight can be enabled or disabled via a jumper on the board
  • Contrast control via a potentiometer
  • Can have 8 modules on a single I2C bus (change address via solder jumpers)address
  • Size:4.16cm x 1.9cm
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