Four Letter pHAT
Best display module for Raspberry Pi hobbyists building custom data dashboards.
This retro-styled display brings a satisfying, alarm-clock aesthetic to your Raspberry Pi projects. While the required soldering adds a bit of assembly friction, the intuitive Python library makes it a breeze to turn raw sensor data into readable, glowing text.
$58.50
at
Roboticaplus
Who it's for
- Students learning basic programming through tangible, interactive displays
- Makers building compact Raspberry Pi projects with limited space
- Beginners seeking straightforward, plug-and-play hardware integration
Who should skip it
- Developers needing to display complex data or long text strings
- Users looking for a versatile screen for general-purpose computing
- Beginners uncomfortable with soldering or lacking basic electronics tools
Performance breakdown
Display Versatility
Fourteen-segment displays handle alphanumeric characters far better than standard seven-segment options.
Assembly Effort
Requires steady hands and soldering skills to attach headers and displays.
Software Integration
Python library support makes getting your first message scrolling incredibly straightforward.
Hardware Compatibility
Standard 40-pin header design ensures a perfect fit for most Pis.
Visual Aesthetic
Retro green LEDs offer a charming, classic digital clock look.
I2C Efficiency
Uses minimal GPIO pins, leaving plenty of room for other sensors.
Key Specs
Display
Four 14-segment displays with green LEDs
Driver Chip
HT16K33
Interface
I2C
Compatibility
All 40-pin header Raspberry Pi models
Requires
Soldering for header and display pins
Know before you buy
Still have a question?
Ask Metto anything about the Four Letter pHAT before you decide.
