The KY-040 360-degree rotary encoder module is an essential component for makers and electronics enthusiasts working with Arduino and other microcontroller platforms. This versatile sensor features smooth, continuous rotation tracking with precise position detection, making it perfect for navigation menus, volume controls, or parameter adjustments in DIY projects. The module comes equipped with a built-in push button, adding an extra dimension of control functionality without requiring additional components. Its robust construction includes a knurled control knob for comfortable operation and secure grip. The board's straightforward 5-pin interface provides clear output signals, simplifying integration into your electronic projects. The module's compact design and mounting holes allow for easy installation in control panels or project enclosures. Whether you're building a digital control system, musical instrument, or interactive display, this rotary encoder module delivers reliable performance and accurate input detection for your development needs.