Four Letter pHAT

Display text, numbers, and symbols on your Raspberry Pi Zero with this retro-styled 14-segment LED display. Four green alphanumeric digits give you the ability to show messages, sensor readings, clock times, or any data your project generates.

Controlled via I2C using the HT16K33 driver chip, the display is easy to program with the included Python library. Perfect for adding a visual readout to headless Pi projects.

Key Features

• Four 14-Segment Displays – Full alphanumeric capability
• Retro Green LEDs – Classic styling
• I2C Control – Simple two-wire interface via HT16K33
• Python Library – Easy programming with examples
• pHAT Form Factor – Designed for Pi Zero

Specifications

• Display Type – 14-segment LED × 4 digits
• Colour – Green
• Driver – HT16K33
• Interface – I2C
• Weight – 25g

Compatibility

• Raspberry Pi Zero / Zero W / Zero 2 W
• Raspberry Pi 4, 3B+, 3, 2, B+, A+

Example Projects

• Digital clock
• Countdown timer
• CPU activity monitor
• Temperature display
• Scrolling messages

Package Contents

• 1× Four Letter pHAT (requires soldering)

Resources

• Python Library on GitHub