Morse Code Key

We used our DT and Science skills today to design and make a circuit that could be used as a morse code key for spies and soldiers during WW2. All of our circuits had to contain a push switch to enable us to control the buzzer. Some children investigated how they could make their buzzer louder or quieter, by adding more/less batteries and lengthening/shortening the wires. We then used our keys to send secret messages using morse code!

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