Data Sheet
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71. Test Your Hand Steadiness
Build the circuit as shown above and turn on the switch (62). Then move the hook that is
connected to the 5-wire (5) through the metal of the maze (37). When the metal of the
maze (37) is touched by the hook, you will light up the heart LED (69) and the alarm (78)
will sound. Test how steady your hand is. Can you make it through the maze (37) without
lighting the heart LED (69) and making the alarm (78) sound?
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