The 555 Fan

1 Homework Tasks

Research It: Potentiometers

Research online and write your answers in a text editor to the following questions:

  1. What is a potentiometer?
  2. What is a wiper?
  3. What are the four types of potentiometers?
  4. Name three materials used for making potentiometers.
  5. Name three applications for potentiometers.

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Design It: Line Bending

You used a line bender to bend and shape your fan blade as well as the door buzzer project you made in year 7.

  • Design a step-by-step set of instructions on how to use the line bender. You need to include how to use ensure that you use it safely.