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<p>A <b>potentiometer</b> is a three-<a href="page.php?w=terminal_%28electronics%29">terminal</a> <a href="page.php?w=resistor">resistor</a> with a sliding or rotating contact that forms an adjustable <a href="page.php?w=voltage_divider">voltage divider</a>. In motion control systems, potentiometers are frequently used as position sensors to provide analog feedback to a controller, allowing for precise tracking of mechanical movement. If only two terminals are used, one end and the wiper, it acts as a <b>variable resistor</b> or <b>rheostat</b>.</p><p>
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