DIY Word Clock - 3D Printed - (Arduino Nano, RTC DS3231 and Adafruit Neopixel)

  • Difficulty: Moderate
  • Time to complete: 3 hours (excluding printing time)

This 3D printable Word Clock displays the time in full sentences by lighting up the hidden words in amongst the jumble of letters.


It also features a replaceable and customisable clock face so you can add your own design flair to your project. It can be printed and assembled over a weekend.


List of items used in this project and where to find them (the links are Amazon affiliate links and help to support my projects at no cost to you):

■ Arduino Uno:
■ Adafruit Neomatrix:
■ Coloured wires:
■ DS3231 Real Time Clock:
■ Resistors:
■ PLA Filament:


■ Battery powered glue gun:
■ Battery powered soldering iron:

Circuit Diagram

Circuit Diagram for Word Clock

Clock Face Drawing

Technical drawing of clock face


The code for this project is hosted on GitHub:

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