Adafruit
Anodized Aluminum Machined Knob - Gold - 20mm Diameter
This Anodised Aluminium Machined Knob in gold is a premium upgrade for any rotary encoder or potentiometer. Solid machined aluminium with knurled sides for a...
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This Anodised Aluminium Machined Knob in gold is a premium upgrade for any rotary encoder or potentiometer. Solid machined aluminium with knurled sides for a secure grip and a shiny anodised finish that looks right at home in a recording studio.
A white triangle indicator on the top lets you see the current position at a glance. The set screw design (2mm hex wrench, not included) fits any 6mm shaft — T18, round, or D-shaft — so it works with virtually any standard rotary encoder or potentiometer.
Key Features
- Solid Machined Aluminium – Premium build with anodised gold finish
- Knurled Sides – Textured grip for precise control
- White Position Indicator – Triangle marking for easy orientation
- Universal 6mm Shaft Fit – Compatible with T18, round, and D-shaft encoders/potentiometers
- Set Screw Mounting – Secure attachment using a 2mm hex wrench (not included)
- 20mm Diameter – Compact size suitable for most projects
Ideal For
- Upgrading rotary encoders and potentiometers
- Audio equipment and synth builds
- Control panels and custom interfaces
- Any project using 6mm shaft controls
Specifications
- Diameter: 20mm
- Material: Machined aluminium with anodised coating
- Colour: Gold
- Shaft Compatibility: 6mm (T18, round, D-shaft)
- Mounting: Set screw (2mm hex wrench required, not included)
Jargon buster
Plain-language definitions for the technical terms used above.
- encoder
- An encoder is a sensor that converts the rotation or position of a shaft, knob or dial into electrical signals, reporting movement as incremental steps and direction, or as an absolute position. It is used to track how far something has turned, which matters for precise positioning, speed control, repeatable movement, or using a rotary knob as an input.
- 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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