360 Degree Rotary Encoder Module, Incremental, 20 Pulses/Rev

Unlike a simple potentiometer that has hard mechanical stops at each end of its rotation, this rotary encoder spins continuously through a full 360 degrees with no end stop, generating a stream of left/right directional pulses as it turns rather than a fixed resistance value tied to absolute position. This makes it genuinely well suited for menu navigation, volume control, and any interface where continuous, unlimited rotation feels more natural than a bounded knob.

Each full revolution generates 20 pulses, a resolution fine enough for smooth-feeling menu scrolling or incremental value adjustment without the step size feeling too coarse or requiring excessive spinning to reach a target value. Being an incremental rather than absolute encoder, a connected microcontroller tracks relative position changes over time by counting pulses and direction, rather than reading an absolute angular position directly - appropriate for the vast majority of hobby interface applications where relative adjustment (turn left to decrease, right to increase) matters more than knowing exact absolute angle.

A built-in 10k pull-up resistor is included directly on the module, removing a small but easy-to-overlook wiring step some bare encoder breakouts leave up to the builder. Supply voltage is a flexible 3 to 5V, matching both 3.3V-logic boards like ESP32 and 5V boards like classic Arduino without needing a separate regulator or level-shifting circuit.

Makers building a menu-driven interface for an embedded project, a DIY volume knob, a settings-adjustment dial, or any control needing smooth, continuous rotational input rather than a bounded potentiometer will find this rotary encoder module a well-proven, simple-to-wire solution with broad library support across common microcontroller platforms.