Reddit user Krukerfluk has created an awesome DIY digital clock using 144 x seven segment displays, combining them to create a larger LED display powered by an Arduino Nano.

Of course, there’s nothing unusual about using 7-segment displays, especially in a clock. However, [Edison Science Corner] didn’t buy displays. Instead, he fabricated them from a PCB us… ...

This time [jegatheesan.soundarapandian] is making it big by building a giant 7 feet tall 7-segment display. Apparently, the plan is to build a giant clock so he started off by making the first digit.