The clock is powered by an Arduino Nano. The Time is synced with DCF77. In the picture you can see the clock displaying 6:54 pm. The tachometer is used for displaying hours, starting with 10 km/h as 1, the rev counter is used for displaying minutes, the water thermometer is displaying am (blue-cold) and pm (red-hot). The fuel gauge is dropping as the day progresses.
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