LED Clock using addressable LED strip and arduino pro micro.
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updated December 28, 2025

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Want to create a unique and futuristic time-telling device? In this video, I'll show you how to 3D print and build your very own ARDUINO controlled addressable LED strip clock! I designed it to have a clean look with a blank face and no sign of segments when they aren't illuminated. Full details, models, and instructions are downloadable below. Assembly tools are even printable. Whether you're a DIY enthusiast, a maker, or just someone who loves innovative gadgets, this tutorial is perfect for you. So, get ready to impress your friends and family with your new 3D printed LED clock!

Watch me build it on YouTube

For convenience, please use my Amazon Affiliate links for purchase components: 

For best results, please use the white filament in my links.

Grey filament I used: https://amzn.to/3TOLOva

White filament I used: https://amzn.to/46CjBiX

8 - (Det. 12) M3 Brass Heat-Set Threaded Inserts https://amzn.to/4kQhhJQ 

6 - (Det. 13) M3 x 25mm Flat Head Hex Socket Cap Screw https://amzn.to/4bWoKCT

 2 – (Det.14) M3 x 12mm Flat Head Hex Socket Cap Screw https://amzn.to/428KJ5h

1 – M3 Tap https://amzn.to/4kL9RY6

1 – (Det. 15) Aruduino Pro Micro MCU https://amzn.to/4kLncQ9

 1 – (Det. 16) HiLetgo DS3231 AT24C32 Clock Module https://amzn.to/4ior0p5

 1 – (Det. 17) Electro Cookie PCB Board https://amzn.to/4hucXwL

 1 – (Det. 18) 5mm wide WS2812B SMD LED Strip, 1 meter, 100 LED/meter https://amzn.to/4iorP19

 1 – (Det. 19) 5 Volt, 5 Amp Power Supply with 5.5mm Barrel Connector https://amzn.to/4kZ7ukG

 1 – (Det. 20) 5.5mm Panel Mount Female Barrel Connector https://amzn.to/4kYNdf4

 1 – (Det. 21) 12 pin female header https://amzn.to/4kQCGTc

 4 – (Det. 22) M3 x 8mm Flat Head Hex Socket Cap Screw https://amzn.to/4ij22at

 2 – (Det. 23) 2 Pin PCB Screw Terminal Block https://amzn.to/4bR5XZI 

22 AWG Coated Hookup Wire with OD of 1.5mm for LED Strip VCC/GND https://amzn.to/4huAn5c

 24 AWG Coated Hookup Wire with OD of 1.3mm for LED Strip Data https://amzn.to/4iNGouY 

Recommended – Dupont Connector Set and Crimp Tool https://amzn.to/428uXr5

 CA Glue I used: https://amzn.to/4kL8w3v

Solder I use: https://amzn.to/4lziSU3

Soldering Station I use: https://amzn.to/47AZyln

Soldering Station Option1: https://amzn.to/463NHuG

Soldering Station Option2: https://amzn.to/4mUS4hc

Soldering Station Option3: https://amzn.to/4lG1koo

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