SparkFun
Potentiometer - Thumbwheel Type, 25kΩ - SparkFun Electronics
· MPN: COM-28384
A compact thumbwheel potentiometer for adding analog control to your projects. The ergonomic wheel design allows for easy adjustment with one finger, making ...
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)
Jargon buster
Plain-language definitions for the technical terms used above.
- potentiometer
- A variable resistor usually turned with a knob or shaft to create an adjustable electrical signal. It is often used for inputs such as volume, brightness or position, so it helps beginners learn how a microcontroller reads changing values.
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Potentiometer Thumbwheel 25kΩ Datasheet
Datasheet · 188.4 KB · Click any page to view full size
Supplier page — sparkfun.com
Supplier Description · 529.8 KB · Click any page to view full size
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