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Overview

Adding a LCD to any project immediately kicks it up a notch. This tutorial explains how to connect an inexpensive HDD44780 compatible LCD to the Raspberry Pi using 6 GPIO pins. While there are other ways to connect using I2C or the UART, this is the most direct method that gets right down to the bare metal.

This technique:

  • allows for inexpensive LCDs to be used
  • does not require any i2c drivers
  • won't steal the only serial port on the Pi.

The example Python code sends date, time, and the Pi's ip address to the display. If you are running a Pi in headless mode, being able to determine the IP address at a glance is really handy.

To Follow This Tutorial You Will Need

You can use nearly any character LCD with this tutorial - it will work with 16x1, 16x2, 20x2, 20x4 LCDs. It will not work with 40x4 LCDs
Last updated on 2015-05-04 at 04.25.41 PM Published on 2012-08-17 at 06.32.36 PM