Down conductor cable and joystick: what they have in common

1. Step 1. Down conductor cable — is part of — Lightning rod. A conductor to the ground.
2. Step 2. Lightning rod — uses — Electrical conduction. It carries the current into the ground.
3. Step 3. Electrical conduction — is used in — Electrical resistance. Resistance is a property of a conductor.
4. Step 4. Electrical resistance — is used in — Potentiometer. A voltage divider.
5. Step 5. Potentiometer — is used in — Joystick. Position is read with potentiometers.

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