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Potentiometer - Thumbwheel Type, 25kΩ - SparkFun Electronics

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Potentiometer - Thumbwheel Type, 25kΩ - SparkFun Electronics

A compact thumbwheel potentiometer for adding analog control to your projects. The ergonomic wheel design allows for easy adjustment with one finger, making it perfect for volume controls, parameter adjustment, and user interfaces.

Connect VCC to one outer pin, GND to the other, and the center pin outputs a variable voltage from 0 to VCC based on the wheel position – ready to read with any analog input.

Key Features

  • Thumbwheel Design – Easy one-finger adjustment
  • 25kΩ Resistance – Standard value for most applications
  • Variable Voltage Divider – Output 0V to VCC from center pin
  • Panel Mount Ready – Designed for enclosure integration
  • Smooth Action – Consistent feel throughout rotation

Ideal For

  • Volume and brightness controls
  • Parameter adjustment interfaces
  • Synthesizer and audio projects
  • Analog input for microcontrollers
  • Custom control panels

Specifications

  • Resistance: 25kΩ
  • Type: Thumbwheel potentiometer
  • Pins: 3 (VCC, Wiper, GND)

Package Contents

  • 1× Thumbwheel Potentiometer (25kΩ)
$5.00
Potentiometer - Thumbwheel Type, 25kΩ - SparkFun Electronics
$5.00

Product Information

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Description

A compact thumbwheel potentiometer for adding analog control to your projects. The ergonomic wheel design allows for easy adjustment with one finger, making it perfect for volume controls, parameter adjustment, and user interfaces.

Connect VCC to one outer pin, GND to the other, and the center pin outputs a variable voltage from 0 to VCC based on the wheel position – ready to read with any analog input.

Key Features

  • Thumbwheel Design – Easy one-finger adjustment
  • 25kΩ Resistance – Standard value for most applications
  • Variable Voltage Divider – Output 0V to VCC from center pin
  • Panel Mount Ready – Designed for enclosure integration
  • Smooth Action – Consistent feel throughout rotation

Ideal For

  • Volume and brightness controls
  • Parameter adjustment interfaces
  • Synthesizer and audio projects
  • Analog input for microcontrollers
  • Custom control panels

Specifications

  • Resistance: 25kΩ
  • Type: Thumbwheel potentiometer
  • Pins: 3 (VCC, Wiper, GND)

Package Contents

  • 1× Thumbwheel Potentiometer (25kΩ)