Ring Clock made with STM32F103C8T6 (BluePill) and WS2812b LEDs
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My New RingClock

I wanted to build myself a cool clock that would look nice, be different and make absolutely no sound. And so I did.

Check out this post to see how I did it

Driver Board

Here it is in action (sorry for poor quality)

Few things that would help you read time from this clock:

  • RED led is hour hand
  • GEEN led is minute hand
  • YELLOW leds are fixed and they show hour markers (12, 1, 2 and etc)
  • Elapsed minutes will be "filled" with rainbow colors that rotate over time

Now with that, you can see that clock is showing 4:55