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A simulation of the ["Berlin-Uhr"](https://de.wikipedia.org/wiki/Berlin-Uhr) - discoverable in real life at Ku'damm in front of the Europa-Center in Berlin. The original clock was the "first clock in the world to display time with luminous colored fields". As a tribute to its inventor Dieter Binninger and because it looks pretty damn cool, it is brought back to life on your card10. ### how to read the clock: - hours: Multiply segments from row 1 by 5 and add the result with segments from row 2 - minutes: Multiply segments from row 1 by 5 and add the result with segments from row 2 ### extra functionalities that differ from the classic Berlin-Uhr: * displays seconds on the outer border of the display (can be turned on/off by lower left button) * press upper right button to display the current date in berlin-uhr-ish style * press lower right button to show a overlay of clock/date in arabic numbers (good for beginners to learn how to read this clock) * automatically adjust the brightness of the display and the seconds LED #### pull requests welcome https://github.com/christian-draeger/card10-berlin-uhr