Features

• Super lightweight (Only ONE 3.8KB file!)
• Really fast (Using Hardware i²c)
• Tested on 2x16 and 4x20
• Cool "loading" animation

Usage

1. Enable I2C interface with raspi-config

   • Open "raspi-config"
   • Select Advanced Options, I2C, Yes, Ok, Yes, Ok
   • With right arrow key select Finish and select Yes for reboot now.
   • After reboot I2C should be enabled

2. Install python library and tools

   apt-get install python-smbus i2c-tools git-core
   

3. Connect LCD

   • GND to GND
   • VCC to 5V
   • SDA to SDA (GPIO2)
   • SCL to SCL (GPIO3)

4. Reboot raspberry to changes take effect

5. Check LCD address, mine is 0x27

   i2cdetect -y 1
   

6. Download library and run example.py

   git clone https://github.com/SkewPL/PiHD44780.git
   cd PiHD44780
   python example.py