Four Letter pHAT

Four Letter pHAT


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Use Four Letter pHAT to display… four letter words. Not that sort! Four Letter pHAT has four 14-segment displays that you can use to display text, numbers, and a host of other characters. Its LEDs are a beautiful retro green, just like you old digital alarm clock. They're driven by the HT16K33 chip over I2C.It's perfect as a readout for your projects, displaying temperatures, times, etc. and becomes really useful when combined with some of our other boards like Enviro pHAT or Explorer pHATto display their sensor values

Four 14-segment displays with green LEDs
HT16K33 driver chip
Four Letter pHAT Pinout
Compatible with Raspberry Pi 3, 2, B +, A +, Zero, and Zero W
Python library
Female header and display pins require soldering


Our handy one-line installer will install the Four Letter pHAT Python library for you. We've included a bunch of examples too, to show off what you can do with Four Letter pHAT; things like a clock, a countdown timer, or CPU activity monitor.


Product page


Getting Started with Four Letters pHAT
Learn how to assemble, install, and get started with your Four Letter pHAT

Soldering Pi Zero pHATs
A quick tutorial on soldering Pi Zero pHATs

Product information

Weight 0,05 kg
Length 5x1x3 cm

Melopero Electronics