I2C Interface Board For 16×2, 20×2, 20×4 Character LCD Module

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59.00

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Product details

This is a I2C Interface Board for 16×2, 20×2, 20×4 Character LCD Module that can be connected to a standard 16×2 or 20×4 Character Display Module that supports 4-bit mode. All Character Modules sold on our site support 4-bit mode, and nearly all commercially available 16×2 and 20×4 line character modules support it too.

This I2C Board LCD Module 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)

Specifications

  • The contrast is adjusted by larger potentiometer for easy access
  • Serial Interface: I2C
  • Compatible with 1602, 20×2, 16×4, 20×4 character LCD Modules
  • Operating voltage range: 2.6V – 6.0V
  • Chip: PCF8574T
  • Configurable I2C Addresses (0 – 7) through A0, A1, A2 pcb jumpers.
  • Up-to eight IO Expander Modules can be connected on single I2C Bus
  • Compatible LCD Controllers: HD447800, KS0066, KS0077, or compatibles
  • LCD Data bus width utilized: 4 Data Bits.

Applications

  • Arduino LCD Interfacing
  • Raspberry-Pi LCD Interfacing
  • Beagle Board LCD interfacing

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