The Morse Code project can be found in the Harnessing Electricity to Communicate lesson plan. This lesson plan explores a basic circuit, electromagnetism, and the role of both in communications. When building the telegraph, students may run into some problems. Here are some troubleshooting tips to help them get unstuck:
Problem - My screw isn't picking up any paperclips.
Solution - Make sure that you have an iron screw (must be a ferrous metal to work as an electromagnet).
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Make sure your key is pressed down to complete the circuit and create a magnetic field.
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The insulation on your coil leads may not be adequately sanded off.
Problem - I can't hear my plastic cup speaker.
Solution - Try placing a bigger coil with more windings on the top of your cup.
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Try a stronger magnet.
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The insulation on your coil leads may not be adequately sanded off.
Problem - My Morse code is coming into Excel too slowly.
Solution - Decrease the Data delay (ms) by going to Advanced >Settings.
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