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4 items tagged "accurate clock"

Related tags: hacks [+], clock [+], telling time [+], right [+], ping pong balls [+], ping pong ball [+], pinball machine [+], pinball [+], new clock [+], martijn [+], machine [+], light spectrum [+], light [+], kieran [+], hybrid [+], display [+], creative implementation [+], building [+], ball [+], arduino [+], analog meter [+], analog [+]