Features: Accurate Input Control – Features EC10E1220501 rotary component with 12 signals per turn and two channel output, enabling consistent bidirectional movement tracking and button activation for exact input handling in various applications. Simple Development Setup – Built with STM32F030 processor ensuring easy pairing with matching devices for immediate functionality in rapid development tasks. Visible Activity Display – Includes programmable WS2812C color adjustable light for customizable lighting effects, providing clear visual cues on device activity or interactive alerts. Lightweight Build – and weighs only 7.3g, making it highly portable and ideal for space constrained projects and equipment integration. Wide Application Support – Supports straightforward coding framework for flexible customization in wheel control, parameter adjustment, screen browsing, and other interactive uses. Specifications: Component: ABS. Dimensions: 32x24x18.9mm/1.25x0.94x0.74in Weight: 15g. Control: STM32F030F4P6 (32-bit ARM M0 processor). Rotary encoding model: EC10E (EC10E1220501). Encoding output: two-phase quadrature output. Color lamp bead: 1x WS2812C. Buttons: 1x built-in button. Communication: I2C (PORT.A). Operating voltages: 5V (powered via I2C). Working temperature: 0-40℃. Package Includes: 1PC Encoding module 1PC Connecting cable note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!