This is a simple knob that connects to the small and medium sized linear slide potentiometers. Each knob uses friction to secure itself to fit onto the slide pot. Once attached, this small knob provides you with an easier way to use potentiometer for your project.
Analog Slider Module
The Slide potentiometer (analog) is a variable resistor for 10KOhm. The potentiometer can be slide to provide a varying voltage that your microcontroller can read using an analog..