This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
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This PCB can be used to build a word clock with WS2812b or SK6812 LEDs. The matrix uses 110 LEDs in a 11x10 grid. The PCB is designed to be used with a front cover of 450x450mm. There are multiple connections on the board for the LED controller and power supply. Additionally there is a data out pin to connect the minute dots after the main LEDs.
Several mounting holes are also available.