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Showing results for tags 'countdown timer'.
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TechnicBrickPower posted a topic in LEGO Technic, Mindstorms, Model Team and Scale ModelingHere I present a 871 part MOC countdown timer mechanism. The mechanism can be set to count down from up to 255 values implemented by a binary counter. Each count takes approximately 2 seconds giving a range of just over 500 seconds or almost 9 minutes. Once the counter has counted down it stops automatically and switches itself off.