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Making a Switch

Notes: Can you build a switch with one paper clip? Open and close your own circuits. Take control! Send coded messages with sound. Decode secret messages.

Samuel Morse made a simple code for the alphabet to send messages over long distances before there were telephones.

DI - A short beep, written as a short dot (.)
DA - A long beep, written as a long line (_)

{DI DI DI} -> {Short Short Short}
{DA DA DA} -> {Long Long Long}
{DI DI DI} -> {Short Short Short}

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