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.
- Lesson 3: Part 1
- Lesson 3: Part 2
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- Lesson 3: Part 3
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- Lesson 3: Part 4
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 (_)
- Lesson 3: Part 5
{DI DI DI} -> {Short Short Short}
{DA DA DA} -> {Long Long Long}
{DI DI DI} -> {Short Short Short}
- Lesson 3: Part 6
- Lesson 3: Part 7
- Lesson 3: Part 8
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