berlin clock
thingiverse
This object was made in Tinkercad. Edit it online https://www.tinkercad.com/things/hjLomU5QiO8 a pcb layer is sandwiched in the middle to hold the ws2318 leds . A STM32 bleupill keeps the time and sets the display. Small description; the top square displays seconds, and blinks on/off every second. 2nd row (from the top) squares tells 5 hour blocks.1 block 5 hours, 2 for 10, and 4 for 20. 3rd row is single hours 1 up to 4. 4th row is 5 minute blocks,11 totaling 55 minutes. 5th row is 4 single minute blocks. it gets intuitive after a few times reading it. First layers of the display should be printed in white/transparent ;) next layers in a non-transparent color. i printed this 110% size to fit the leds within the squares. the ws2318 are presoldered on mini pcb's.
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