Potentiometers (pots) are used for:

• Steering
• Gas
• Brake
• Arcade gun aiming
• Volume, bass, treble
• Monitor adjustments
• Power supplies
• and many other uses!

They have a variety of specifications including the type of resistance taper - linear, log, reverse log, accuracy, wattage, as well as life (number of turns).

• Centralab FASTACH II
• PIHER