DFRobot
Gravity:Analog Rotation Sensor V1
A 300° analog rotation potentiometer sensor with a Gravity interface for plug-and-play connection to Arduino and other microcontrollers. Rotate the knob to o...
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A 300° analog rotation potentiometer sensor with a Gravity interface for plug-and-play connection to Arduino and other microcontrollers. Rotate the knob to output a variable analog voltage — useful for position-dependent interactions, MIDI instruments, LED brightness control, and more.
The sensor operates at 3.3–5V, making it compatible with Arduino, Raspberry Pi, and other 3.3V or 5V platforms.
Specifications
- Supply Voltage – 3.3–5V
- Interface – Analog (Gravity connector)
- Rotation Range – 300°
- Size – 22 × 31 mm
Ideal For
- Volume and brightness controls
- Position-based input for robotics
- DIY MIDI controllers
- Learning about analog signals and potentiometers
Package Contents
- 1× Analog Rotation Potentiometer Sensor V1
- 1× Analog Sensor Cable
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- Gravity
- Gravity is DFRobot’s plug-in connector system for sensors, motors and modules, using standard cables to reduce loose jumper wiring. It matters because Gravity-compatible parts can connect directly to these ports, while non-Gravity parts may need adapters or manual wiring.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- MIDI
- MIDI is a standard way for electronic instruments, controllers, and software to send musical control messages such as notes, velocity, and timing. If a board supports MIDI, it can be triggered from keyboards, drum pads, sequencers, or other music gear rather than only from buttons or code.
- 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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Brands
Sensors & Input
Supplier page — dfrobot.com
Supplier Description · 551.8 KB · Click any page to view full size
DFR0054 analog rotation potentiometer sensor schematics v1.0
Schematic · 78.0 KB · Click any page to view full size
Related Tutorials
Free guides on learn.littlebird.com.au
