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Check the time on a glow-in-the-dark plot clock

Reading Time: < 1 minute Check the time on a glow-in-the-dark plot clock Arduino Team — March 26th, 2018 If you thought plot clocks that write on a tiny whiteboard were cool, this project takes things to the next level, jotting down the time not with a dry-erase marker, but with a UV LED on a glow-in-the-dark sticker. The device […]